third amendment contract 2011-p00034
Contents
1. APPENDIX F 1 OUTPUT CURVES To be provided by SELLER and approved by PREPA two weeks after the Initial Synchronization Date Output Curves shall be revised annually M it APPENDIX E TECHNICAL SPECIFICATION FOR DYNAMIC SYSTEM MONITOR DSM 4 Introduction The following specification defines the minimum requirements for an instrument used in the monitoring and register of dynamic disturbances on electric power systems and the supervision of generator performance according to Grid Codes 2 Hardware 2 1 Inputs 2 1 1 The equipment shall have at least 32 analog inputs with the capacity to increase them to a minimum of 96 inputs depending in the application required analog signals The minimum resolution for the A D converter shall be of 16 bit The sampling rate shall be programmable up to a minimum of 250 samples per cycle 15000 samples per second The analog inputs shall permit at least the following types of signals a PT voltage 150 V rms minimum Accuracy better or equal to 0 3 b CT currents 5 A rms minimum Accuracy better or equal to0 3 c DC voltages of at least 800 V Accuracy better or equal to 0 3 d Small Analog Signals Accuracy better or equal to 0 3 i Current 4 20 mA ii Voltage 0 200 mV 1V 10 V 2 1 2 The equipment shall have at least 16 digital inputs with the capacity to increase them to a minimum of 48 inputs depending in the application required digital signals The minimum2. i Pre Trigger 1 second ii Post Trigger 2 seconds c Continuous Recording Function The recording rate is 1 sample per second on ail the signals This recording function is continuous but saved in 24 hours period All the recording functions mentioned above shall work simultaneously The equipment shall maintain the date and time in an internal battery backed clock Communication The equipment shall have at least two Ethernet 10 100 1000 Mbps port LAN interface TCP IP Protocol for local and remote network communication Power Source The equipment shall have a redundant power supply Two separate inputs one AC and one DC 100 240 VAC 60 Hz and 100 150 DC Some applications could require DC supply of 48 VDC 10 verify before the equipment acquisition Measurement accuracy 2 6 1 Voltage measurement error shall be tess than 0 3 of reading 2 6 2 Current measurement error shalt be less than 0 3 of reading Page 2 of 5 R gt 3 Software 3 1 The software platform of the equipment shall be compatible with the latest version of windows operating system 3 2 The equipment remote communication shall be thru TCP IP network connectivity LAN The remote communication should permit at least the set up and data retrieval of the equipment The equipment should have the capability to perform at least the following functions remotely i Modification of the configuration ii Retrieval of captured events ii Rem
3. THIRD AMENDMENT CONTRACT 2011 P00034 Page 6 8 5 8 6 any thirty 30 Days period and iii one hundred forty four 144 hours in the aggregate during any Year With respect to a disconnection or curtailment that is attributable to severe weather conditions including a hurricane or tropical storm the waiting period shall be the earlier to occur of i a maximum of seven 7 consecutive Days and ii two hundred sixty four 264 hours in the aggregate during any Year To the extent a disconnection or curtailment or combination thereof exceeds any of the time periods described in the preceding sentences as applicable then notwithstanding anything in this Agreement to the contrary PREPA shall pay HORIZON for each hour of the curtailed energy after the waiting period in accordance with Appendix D DETERMINATION OF NET ELECTRICAL OUTPUT NOT RECEIVED PREPA s liability pursuant to this Section 8 4 for any single disconnection or curtailment shall be offset by any insurance proceeds actually received by HORIZON from any business interruption insurance policy that HORIZON may obtain Each Party shall cooperate with the other in establishing Emergency plans including recovery from a local or widespread electrical blackout voltage reduction in order to effect load curtailment and other plans which may arise HORIZON shall make technical information and data available to PREPA concerning start up times and black start capabilities If th
4. date in which payment is due Either Party may by written notice to the other change the address to which such payments to the notifying Party are to be sent 6 Section 16 1 in the PPOA is hereby amended by deleting that Section in its entirety and replacing it with the following 16 4 Termination of this Agreement shall occur only upon a expiration of the Term of this Agreement as provided in Article 5 b mutual written consent of the Parties c the election of PREPA following a Development Abandonment or Permanent Closing d the election of the non defaulting Party following the occurrence of a Breach under Article 17 e the election of either Party following delay by HORIZON in achieving the Commercial Operation Date by February 19 2015 as THIRD AMENDMENT CONTRACT 2011 P00034 Page 11 extended by Force Majeure event Pending Permits a Legal Challenge or any delay caused by any act or omission of PREPA but in no event longer than twelve 12 additional Months or f the circumstances provided in Section 16 2 7 Section 18 d in the PPOA is hereby amended by deleting that Section in its entirety and replacing it with the following d If there is a balance in the tracking account at the end of the twenty third 23 Agreement Year Balance HORIZON agrees that PREPA may retain up to fifty percent 50 of the amounts due in each Billing Period thereafter which shall reduce the tracking account balance by a
5. has implemented a standard model On site field tests to demonstrate compliance with PREPA s Minimum Technical Requirements for Interconnection of Photovoltaic Facilities MTRs shall be performed by the contractor The data and PSS E model shall also be validated updated and officially certified according to PREPA requirements when final field adjustments and parameters measurements are completed during the on site field tests to be performed to the facility by the contractor The on site field tests shall be witnessed and coordinated with PREPA s personnel The Contractor shall be responsible to submit PSSE mathematical models of any kind of compensation devices ie SVC STATCOMs DSTATCOMs BESS etc used on the PV Facility It is preferred that the models are standard models provided with PSS E in the case that the Contractor submits user written models the PV Facility Contractor shall be required to keep these Appendix B Interconnection Page 3 16 17 models current with the future versions of the PSS E program until such time that PSS E has implemented a standard model in its final form the mathematical model shall be able to simulate each of the required control and operational modes available for the compensation device and shall be compatible with the latest and future versions of PSSE Final adjustments and parameters settings related with the control system commissioning process shall be incorporated to the PSSE
6. mathematical model and tested accordingly by the PV Facility Contractor and PREPA system study groups PV Facility Owners that provide user written model s shall provide compiled code of the model and are responsible to maintain the user written model compatible with current and new releases of PSS E until such time a standard model is provided PREPA must be permitted by the PV Facility Owner to make available PV models if required to external consultants with an NDA in place Additional data necessary for dynamic modeling At a minimum any necessary control system model inverter compensator and excitation limiter models including the time constants gains limits description block diagrams and configuration Transient Mathematical Model The contractor shall provide a detailed transient mathematical model of the PV Facility with a compliance report that shows the level of compliance of the facility s design with PREPA s Minimum Technical Requirements for Interconnection of Photovoltaic Facilities MTRs The contractor shall submit the compliance report for evaluation by PREPA before the on site field tests PREPA and the contractor must agree on the compliance report results before the on site field tests for verifying compliance of the Facility with the MTRs are performed HORIZON SOLAR PROJECT LLC ELECTRICAL INTERCONNECTION SALINAS PR Horizon Solar Project LLC 10 MW New 38 kV Transmission Line Acquisitio
7. of Section 5 2 to read as follows The Term of this Agreement may be extended by mutual agreement of the Parties for up to one period of five 5 Years following the expiration of the initial Twenty Five Agreement Years Term 4 Article 7 DISPATCHING is deleted in its entirely and replaced by ARTICLE 7 DISPATCHING 7 14 PREPA agrees that the Facility will be designated as a must run unit to the full extent of the Contracted Capacity and will not be disconnected except to the extent necessary due to a Force Majeure or an Emergency that cannot be avoided or mitigated without the shutdown or disconnection of the Facility 7 2 Notwithstanding Section 7 1 PREPA may require that HORIZON reduce the amount of Net Electrical Output by curtailment due to THIRD AMENDMENT CONTRACT 2011 P00034 Page 3 operating problems that affect safety margins or reliability levels in PREPA s electrical system provided however any reduction in the level of Net Electrical Output required by PREPA hereunder shali be based upon and implemented in a manner consistent with Prudent Utility Practices and within the Design Limits PREPA shalt not be entitled to reduce Net Electrical Output under this Agreement due to a economic factors b any inconvenience or other condition not expressly included in the preceding sentence c any condition of any nature including those specified in the preceding sentence if PREPA is not promptly and prudently
8. such time a standard model is provided PREPA must be permitted by the Pv facility Owner to make available PV Facility models if required to external consultants with an NDA in place 12 TRANSIENT MATHEMATICAL MODEL The Contractor shall be responsible of providing a detailed transient model of the PV facility and to show that it is capable of complying with PREPA s transient Minimum Technical Requirements 13 DYNAMIC SYSTEM MONITORING EQUIPMENT The developer of the PV facility shall be required to provide and install a dynamic system monitoring equipment that conforms ta PREPA s specifications Puerto Rico Electric Power Authority Minimum Technicat Requirements for Photovoltaic Generation PV Projects 8 WRITTEN ACTION OF MANAGER HORIZON ENERGY LLC The undersigned being a Manager of Horizon Energy LLC a Delaware limited liability company the Company hereby takes the following actions as of and effective on May 16 2014 1 Pursuant to Paragraph 5 of the Amended and Restated Limited Liability Company Agreement the Amended LLC Agreement each of the Company s Manager acting singly has the full authority to manage the business and affairs of the Company and to do any and all acts necessary or convenient to or for the furtherance of the purposes for which the Company was formed 2 The Manager desires to delegate certain powers and authority as set forth below and has determined that such delegation of p
9. 2 rate of decrease of power 3 rate of increase of power when a curtailment of power output is released 4 rate of decrease in power when curtailment limit is engaged A 10 per minute rate based on AC contracted capacity limitation shalt be enforced This ramp rate limit applies both to the increase and decrease of power output and is independent of meteorological conditions The ramp rate control tolerance shall be 10 8 POWER QUALITY REQUIREMENTS The developer shall address in the design of their facilities potential sources and mitigation of power quality degradation prior to interconnection Design considerations should include applicable standards including but not limited to IEEE Standards 142 519 1100 1159 and ANSI C84 1 Typical forms of power quality degradation include but are not limited to voltage regulation voltage unbalance harmonic distortion flicker voltage sags interruptions and transients 9 SPECIAL PROTECTION SCHEMES PV facility shall provide adequate technology and implement special protection schemes as established by PREPA in coordination with power management requirements 10 GENERAL INTERCONNECTION SUBSTATION CONFIGURATION An interconnecting generation producer must interconnect at an existing PREPA switchyard The configuration requirements of the interconnection depend on where the physical interconnection is to occur and the performance of the system with the proposed interconnection
10. 4 1 Environmental Conditions Page 4 of 5 4 1 1 Operating temperature 0 C to 50 C 4 1 2 Operating humidity 95 non condensing 4 2 Equipment cabinet and corresponding accessories The cabinet should have test switches at the front of the panel for the three phase voltages and currents The test switches should have a minimum rating of 600 V rms and 30 A rms semi flush mounted back connected equal or similar to ABB FT 1 style no 129A514G01 The signals analog and digital should terminate on terminal blocks inside the cabinet before the connection to the Dynamic System Monitor The AC DC digital exciter voltage and exciter current signals should be in different terminal blocks The terminal blocks should have a minimum rating of 600 V rms and 30 A mms except the exciter voltages signals see below Examples of terminal blocks are GE CR151B2 and Marathon 1512 STD The current signals should terminate on shorting type heavy duty terminal blocks equal or similar to Marathon catalog number 1506SC The terminal blocks used for the excitation voltage of the generators must have a nominal voltage capacity greater than 800 V DC A switch or breaker for isolation purposes is also required for the excitation voltage and current signals 4 3 Documentation 4 3 1 The equipment shall include a documentation package that contains the user operation and maintenance manuals and the mechanical and electrical equipment drawings The documenta
11. Dynamic System Monitor DSM equipment in accordance with APPENDIX E TECHNICAL SPECIFICATIONS FOR THE DYNAMIC SYSTEM MONITOR for recording the power disturbance caused by electro mechanic swings and to measure the system response to the swing disturbance HORIZON shalt be responsible of providing installing wiring and commissioning the DSM equipment Items provided by HORIZON in accordance with this Section 8 7 shall be subject to the approval of PREPA which approval shail not be unreasonably withheld or delayed Each Party shall keep complete and accurate records and other data required for the proper administration of this Agreement a All such records shall be maintained for a minimum of five 5 M q THIRD AMENDMENT CONTRACT 2011 P00034 Page 8 years after the preparation of such records or data and for any additional length of time required by regulatory agencies with jurisdiction over the Parties provided however that neither Party shall dispose of or destroy any such records without thirty 30 Days prior notice to the other Party Within ten 10 Days after receipt of the notice of intention to destroy or dispose the other Party shall have the right to require the notifying Party in writing to retain and deliver to it such records at its sole cost and expense Any records so notified shall be delivered_to the Party requesting their return in no more than ten 10 Days b HORIZON shall maintain an accurate and u
12. ENTS Short Circuit Ratio values System Short Circuit MVA at POI PV Facility MVA Capacity under 5 shall not be permitted The constructor shall be responsible for the installation of additional equipment such as synchronous condensers and controls necessary to comply with PREPA s minimum short circuit requirements Puerto Rico Electric Power Authority Minimum Technical Requirements for Photovoltaic Generation PV Projects 4 5 FREQUENCY RIDE THROUGH FRT 57 5 61 5 Hz No tripping continuous e 61 5 62 5 Hz 30 sec 56 5 57 5 Hz 10 sec e lt 56 5 or gt 62 5 Hz Instantaneous trip 6 FREQUENCY RESPONSE REGULATION PV facility shall provide an immediate real power primary frequency response proportional to frequency deviations from scheduled frequency similar to governor response The rate of real power response to frequency deviations shall be similar to or more responsive than the droop characteristic of 5 used by conventional generators PV facility shall have controls that provide both for down regulation and up regulation PV technologies in combination with energy storage systems such as but not limited to BESS flywheels and hybrid systems are acceptable options to comply with PREPA s frequency response and regulation requirements For small frequency deviations for example less than 0 3 Hz the PV facility response shall be proportional to the frequency deviation based on the specified 5 droop ch
13. IZON or B violate any provision of HORIZON s certificate of formation or operating agreement or any material indenture contract or agreement to which it is a party or by which it or its properties may be bound or any law ordinance rule regulation order writ judgment injunction decree determination or award presently in effect and ii this Amendment is a legal valid and binding obligation of HORIZON enforceable against HORIZON in accordance with its terms except as may be limited by applicable bankruptcy insolvency or similar laws affecting the enforcement of rights generally Ratification Except as expressly amended hereby the PPOA and all documents instruments and agreements related thereto are and shall continue to be in full force and effect and are hereby ratified and confirmed in all respects No Implied Waiver This Amendment shail be limited precisely as written and shall not be deemed to be a consent granted pursuant to or a waiver or modification of any other term or condition of the PPOA whether or not known to the Parties or to prejudice any other right or rights which the PPOA may now have or have in the future Counterparts This Amendment may be executed in multiple original or facsimile counterparts each of which shall be deemed an original and shail THIRD AMENDMENT CONTRACT 201 1 P00034 Page 14 be binding upon the Party who executed the same but all of such counterparts shall constitute the same A
14. LLC Energy Green Credit Year Purchase Price Purchase Price kWh kWh 1 0 1430 0 0350 Z 0 1459 0 0350 3 0 1488 0 0350 4 0 1518 0 0350 5 f 0 1548 0 0350 6 0 1579 0 0350 7 0 1610 0 0350 8 0 1643 0 0350 9 0 1675 0 0350 10 0 1709 0 0350 d Laj 0 14743 I 0 0350 12 0 1778 0 0350 a3 0 1814 0 0350 14 0 1850 0 0350 15 0 1887 0 0350 ef 0 1925 0 0350 17 0 1963 pa 0 0350 18 Hi 0 2002 0 0350 19 0 2042 0 0350 20 0 2083 0 0350 A yA 21 0 2083 0 0360 j 22 0 2083 0 0350 if 23 0 2083 0 0350 q 24 0 2083 0 0350 25 0 2083 0 0350 The Energy Purchase Price for Agreement Years 2 to 20 shall be escalated in an amount equal to two percent 2 per Agreement Year The Green Credit Purchase Price for Agreement Years 1 to 25 shall be equal to 0 0350 kWh The Green Credit Purchase Price shall not be subject to escalation Ss APPENDIX D DETERMINATION OF NET ELECTRICAL OUPUT NOT RECEIVED To calculate the Net Electrical Output not received by PREPA during any time period the following method will be used A First the specific time period Event Hours of the Day Event Day that PREPA does not receive Net Electrica Output in connection with a disconnection or curtailment of the Facility will be determined B Second the average solar irradiation as measured by the working pyranometers in the Facility as well as the average temperature will be determined for the Event Hours C Third SELLE
15. R will provide output curves Output Curves for the Facility based on the power curves provided by the manufacturer and taking into account all factors that may affect the output such as but not limited to temperature derating DC and AC losses inverter losses and transformer losses SELLER will validate the Output Curves during the first three months of operation of the Facility Output Curves together with the Event Hours determined under Paragraph A and average solar irradiation and temperature determined under Paragraph B will be used to calculate the Net Electrical Output that would have been generated by the Facility during the Event Hours APPENDIX F 1 illustrates the format of Output Curves SELLER will provide PREPA the actual power curve furnished by the manufacturer of the photovoltaic modules installed in the Facility D Fourth in order to ascertain the reliability of the above calculation of Net Electrical Output the same calculations described in the above Paragraphs B and C will be made for the same time period as the Event Hours in the nearest Day prior and in the nearest Day following the Event Day for which data is available Comparable Hours The Net Electrical Output so calculated wilt be compared to the Actual Net Electrical Output APPENDIX D DETERMINATION OF NET ELECTRICAL OUPUT NOT RECEIVED PAGE 2 delivered to PREPA for the same time periods If the Net Electrical Output calculated from the Output Curve is plu
16. The VRS set point shall be adjustable between 95 to 105 of rated voltage at the POI The VRS set point must also be adjustable by PREPA s Energy Control Center via SCADA Puerto Rico Electric Power Authority Minimum Technical Requirements for Photovoltaic Generation PV Projects 2 3 c The VRS shall operate only in a voltage set point contro mode Controllers such as Power Factor or constant VAR are not permitted d The VRS controlier regulation strategy shall be based on proportional plus integral PI control actions with parallel reactive droop compensation The VRS Droop shall be adjustable from 0 to 10 e At zero percent 0 droop the VRS shall achieve a steady state voltage regulation accuracy of 0 5 of the controlled voltage at the POI f The VRS shall be calibrated such that a change in reactive power will achieve 95 of its final value no later than 1 second following a step change in voltage The change in reactive power should not cause excessive voltage excursions or overshoot g The generator facility VRS must be in service at any time the PVF is electrically connected to the grid regardless of MW output from the PVF h The VRS dead band shall not exceed 0 1 REACTIVE POWER CAPABILITY AND MINIMUM POWER FACTOR REQUIREMENTS The total power factor range shail be from 0 85 lagging to 0 85 leading at the point of interconnection POI The reactive power requirements provide flexibility for many type
17. The interconnection must conform at a minimum to the original designed configuration of the switchyard PREPA at its sole discretion may consider different configurations due ta physical limitations at the site Puerto Rico Electric Power Authority Minimum Technical Requirements for Photovoltaic Generation PV Projects 6 11 MODELING AND VALIDATION The Contractor shall submit to PREPA a Siemens PTI certified PSS E mathematical model and data related to the proposed PV facility When referred to the PV facility model this shall include but is not limited to PV inverters transformers collector systems plant controllers control systems and any other equipment necessary to properly model the PV facility for both steady state and dynamic simulation modules It is required that the Contractor submits both an aggregate and detailed version of the PV facility model At a later stage in the process it is also required that the Contractor submits as built PSS E mathematical models of the PV Facility The Contractor shall be required to submit user manuals for both the PV inverter and the PV facility models including a complete and detailed description of the voltage regulation system VRS and frequency regulation system model implementation The mathematical models shall be fully compatible with the latest and future versions of PSS E It is preferred that the models are PSS E standard models In the case that the Contractor submits user wri
18. UM TECHNICAL REQUIREMENTS FOR INTERCONNECTION OF PHOTOVOLTAIC PV FACILITIES attached hereto Any references in the PPOA to the APPENDIX G is amended and replaced with APPENDIX G MINIMUM TECHNICAL REQUIREMENTS FOR INTERCONNECTION OF PHOTOVOLTAIC PV 13 Representations and Warranties of each Party a PREPA hereby represents and warrants to HORIZON i the execution and delivery by PREPA of this Amendment and the Amendment itself have been duly authorized by PREPA s Governing Board and any other applicable PREPA governing body in accordance with applicable law Uh ft THIRD AMENDMENT CONTRACT 204 1 P00034 Page 13 14 15 16 and A do not and will not require any additional internal or external consent or approval B do not and will not violate any provision of Act No 83 of May 2 1941 as amended or its regulations or any material indenture contract or agreement to which it is a party or by which its properties may be bound and ii this Amendment is a legal valid and binding obligation of PREPA enforceable against PREPA in accordance with its terms except as may be limited by applicable bankruptcy insolvency or similar laws affecting the enforcement of rights generally b HORIZON hereby represents and warrants to PREPA i the execution delivery and performance by HORIZON of this Amendment have been duly authorized and do not and will not A require any additional internal consent or approval of HOR
19. acility WHEREAS The appearing parties executed on November 21 2011 a First Amendment to the PPOA and on February 23 2012 a Second Amendment to the PPOA the PPOA as amended is hereinafter referred to as the PPOA and WHEREAS the Parties hereby agree to amend certain provisions of the PPOA THIRD AMENDMENT CONTRACT 2011 P00034 Page 2 NOW THEREFORE for good and valuable consideration the receipt and sufficiency of which are hereby acknowledged the Parties intending to be legally bound agree as follows 1 Article 1 DEFINITIONS is amended to include the term Contracted Capacity and defines it as follows means the maximum AC capacity to be exported by HORIZON at the Interconnection Point which shall be equal to the lesser of i the Generating Capacity and ii the 10 MW AC The term Dependable Capacity in Section 7 1 shall be replaced by Contracted Capacity 2 Article 1 DEFINITIONS Section 1 20 is amended to replace the term Dependable Capacity with Generating Capacity and maintain the definition as established in said section References to the term Dependable Capacity in Sections 12 2 14 4 and Article 18 b shall be substituted by Generating Capacity 3 Article 5 TERM Sections 5 1 and 5 2 in the PPOA are hereby amended by deleting in each Section the phrase Twenty 20 and replacing it with the phrase Twenty Five 25 and amending the language of the first sentence
20. all provide the following information to PREPA within ninety 90 days following the Effective Date Data submitted in a preliminary or estimated form shall be updated within thirty 30 days after final equipment arrangements and specifications are established t Electrical one line diagram of the Facility 2 Explanation of proposed equipment protection and control scheme may be shown functionally on the one line diagram 3 Site plan showing plant layout property lines access roads and switchyard boundaries 4 Preliminary equipment layout and arrangement for switchyard and PV Facility step up transformers GSU 5 Reactive Power Capacity curve of PV Facility 6 Station auxiliary load 7 Station auxiliary transformer data impedance connection winding load loss and no load tap changer 8 PV Facility step up transformer impedance load loss no load taps changer connection and winding 9 PV Facility Short Circuit Ratio 10 PV Facility kilowatt rating 41 PV Facility kilovar rating 12 Equivalent PV Facility modeling for Short Circuit Studies 13 Sellers requirements for power supplied by PREPA during construction and start up 14 Project schedule l J or bar chart format including but not limited to the following milestones QF status obtained Engineering 30 complete One line diagram approved Financial Closing Date Appendix B Interconnection Page 2 15 Major licenses permits Major material
21. aracteristic The frequency response dead band shail not exceed 0 02 For large frequency deviations for example in excess of 0 3 Hz the PV facility shall provide an immediate real power primary frequency response of at least 10 of the maximum AC active power capacity established in the contract The time response full 10 frequency response shall be less than 1 second if energy storage systems are utilized to comply with the frequency regulation requirements and during a disturbance the system frequency stays below 59 7 Hz the facility frequency response shall be maintained for at least 9 minutes After the ninth minute the real power primary frequency response shall not decrease at a ramp rate higher than 10 of the maximum AC active power capacity per minute The operational range of the frequency response and regulation system shall be from 10 to 100 of the maximum AC active power capacity established in the contract The PV facility power output at the POI shail never exceed the maximum AC active power established in the contract Puerto Rico Electric Power Authority Minimum Technical Requirements for Photovattalc Generation PV Projects 5 Jb git 7 RAMP RATE CONTROL Ramp Rate Control is required to smoothly transition from one output level to another The PV facility shall be able to contro the rate of change of power output during some circumstances including but not limited to 1 rate of increase of power
22. e Facility has a Scheduled Outage or a Non Scheduled Outage and such Scheduled Outage or Non Scheduled Outage occurs or would occur coincident with an Emergency PREPA may request that HORIZON shall make reasonable efforts consistent with Prudent Utility Practices and with PREPA s approval to reschedule the Scheduled Outage or Non Scheduled Outage or if the Scheduled Outage or Non Schedule Outage has begun to expedite the completion thereof THIRD AMENDMENT CONTRACT 2011 P00034 Page 7 8 7 HORIZON shall provide as a minimum at its expense and PREPA shall install at HORIZON s expense the following communication facilities linking the Facility with PREPA s dispatching centers 8 8 a b c d e One Remote Terminal Unit RTU including setup installation and configuration which shall be specified by PREPA Two independent telecommunication circuits One voice grade to link the SCADA system to the facility RTU using DNP protocol through a designated PREPA communication node A second fiber optic circuit to link PREPA s network to the Facility in order to access protection equipment revenue meters and the DSM through the ruggedcom security device as specified by PREPA A voice telephone extension for the purpose of communicating with Monacillos TC and Ponce TC A telephone line and equipment to transmit and receive facsimile messages to confirm the oral communication between PREPA and HORIZON A
23. econds In addition the date time and type of trigger that initiated the event shail be included as part of the disturbance record Page 3 of 5 36 The acquisition software shall have the following capabilities f it ii iv v vi Time displays ex Oscilloscope Digital Status display ex High Low 1 0 Multiple displays and multiple signals in displays in real time and off line Display resizing Programmable conversion of range and units of signals independent range for signals 3 7 The acquired data shall be available in a format directly compatible with Siemens Power Technologies international Siemens PTI PSS E plotting bh software 3 8 The software shall support data export in ASCH CSV and PSS E formats oft 3 9 The software shall support image export in JPG BMP or WMF formats 3 10 The software shall have the following analysis capabilities for the data and signals primary and calculated i Fast Fourier Transform FFT i Peak analysis iii Filter functions iv Series and scalar mathematic square root inversion square sum gain offset etc 3 11 The software shall performs the following power engineering calculations on line and off line and measurements i Three phase and single phase Power Real reactive apparent ii Power Factor ii Power angle iv rms line and phase voltage v rms current vi Power system frequency vii DC voltage and currents viii AC voltage and currents 4 General
24. er reading data pursuant to Section 10 4 HORIZON shail provide PREPA with a written invoice for the Net Electrical Output delivered to PREPA and such invoice shall be paid by PREPA within forty seven 47 Days after the end of the Billing Period interest shall accrue on the payments due to HORIZON commencing on the Day after the date on which PREPA is required to make any such payment pursuant to the preceding sentence Notwithstanding the payment requirements set forth in this Section any amounts owed to a Party by the other Party pursuant to this Agreement that are not paid when due to the Party to whom they are owed may at the discretion of such obligee Party be offset against the amounts due to the other Party from such obligee Party provided that such amounts are undisputed or have been determined to be owed to the obligee Party by a final award pursuant to Section 22 12 and provided further that the obligee Party shall provide the other Party with five 5 Business Days advance written notice describing in reasonable detail the amounts to be set off before effecting any such set off Payments to a Party shall be made by wire transfer to an account with a bank to be specified by such Party in writing which specification shall be notified to the other Party at least thirty 30 Days prior to the Initial Synchronization Date or with such other banks as may thereafter be specified by a Party in writing at least ten 10 Days prior to the
25. ergency or curtailment pursuant to Article 7 that results in any disconnection or reduction in the Facility s output PREPA shall as soon as practicable after the occurrence of the Emergency or operating condition provide written notice to HORIZON describing the particulars of the occurrence and its estimated duration and shall diligently use all reasonable efforts consistent with Prudent Utility Practices to remedy the Emergency or operating condition In any situation where PREPA causes a reduction of Net Electrical output or a disconnection of the Facility PREPA shall treat the Facility no less favorably than other facilities connected to PREPA s grid PREPA shall have no liability to HORIZON in connection with any disconnection or reduction in the Facility s output required by PREPA under Section 7 1 Section 7 2 or Section 8 3 unless a the Facility is otherwise capable of generating and delivering electrical output b HORIZON has provided PREPA with written notice of such capability and c the duration of any such disconnection or curtailment or combination thereof has exceeded the applicable waiting periods set forth in the next three sentences after delivery of HORIZON s notice to PREPA With respect to a disconnection or curtailment that is not attributable to severe weather conditions the waiting period shall be the earliest to occur of i forty eight 48 consecutive hours ii forty eight 48 hours in the aggregate during
26. ic Power Authority Minimum Technical Requirements for Photovoltaic Generation PV Projects 1 iii All generation remains online and operating during backup cleared faults on the point of interconnection iv During the low voltage fault conditions the PV facility shall Operate on reactive current injection mode This mode of operation shall be implemented with a reactive current droop characteristic which shall have an adjustable slope from 1 to 5 A dead band of 15 is required b PREPA s Overvoltage Ride Through OVRT Requirements i PREPA requires all generation to remain online and able to ride through symmetrical and asymmetrical overvaltage conditions specified by the following values illustrated in Figure 1 Minimum time to remain Overvoltage pu online 14 13 150 ms 1 3 1 25 1s 1 25 1 15 3s RTT A 1 15 or lower indefinitely 2 VOLTAGE REGULATION SYSTEM VRS Constant voltage control shall be required Photovoltaic System technologies in combination with Static Var Controls such as Static Var Compensators SVCs STATCOMs and DSTATCOMs are acceptable options to comply with this requirement A complete and detailed description of the VRS control strategy shall be submitted for evaluation a Photovoltaic Facilities PVF must have a continuously variable continuously acting closed loop control VRS i e an equivalent to the Automatic Voltage Regulator in conventional machines b
27. ie Carica A 5 100 000 eo Cine TE oi Ho4r Sa7iti GS THIRD AMENDMENT CONTRACT 2011 P00034 7 gt 2 23235 RENEWABLE POWER PURCHASE AND OPERATING AGREEMENT BETWEEN HORIZON ENERGY LLC AND PUERTO RICO ELECTRIC POWER AUTHORITY APPEAR AS FIRST PARTY Puerto Rico Electric Power Authority hereinafter referred to as PREPA a public corporation and government instrumentality of the Commonwealth of Puerto Rico created by Act 83 of May 2 1941 as amended represented in this act by its Executive Director engineer Juan Francisco Alicea Flores of legal age married and resident of Caguas Puerto Rico AS SECOND PARTY HORIZON ENERGY LLC hereinafter referred to as HORIZON with its principal office at 268 Ponce de Leon The Hato Rey Center Suite 1121 San Juan Puerto Rico 00918 represented by its Vice President of Operations mister Leslie L Hufstetler Oquendo of legal age single and resident of Humacao who is duly authorized to execute this Amendment on behalf of HORIZON as certified by Resolution adopted by its Manager dated May 16 2014 WITNESSETH In consideration of the mutual covenants hereinafter stated the parties agree themselves their personal representatives and successors as follows STATE WHEREAS The appearing parties executed on October 15 2010 a Power Purchase and Operating Agreement PPOA as amended for the development of a 10 MW photovoltaic solar energy system in Salinas Puerto Rico the F
28. input voltage range of the digital inputs should be 0 150 V The digital inputs should be included as a user defined software triggering input 2 1 3 The equipment shalt be able to record power system frequency with a resolution of at least 0 001Hz 2 2 The equipment shall have a built in microprocessing unit with color monitor keyboard and mouse from which all commands controls and setup parameters may be entered Alf setup parameters shall be store in a non amp 2 3 2 4 2 5 2 6 volatile media to prevent loss of setup data if power is interrupted This microprocessing unit shall be of industrial grade to insure long life in a typical substation or generation plant environment Memory and storage capacity The equipment shail have a non volatile solid state memory ex SSD flash etc with the required capacity to stores at least one 1 year of continuous data based in typical recording periods and typical recording rates Also the memory shall have a minimum storage capacity of 1 000 RMS Trigger events and 1 000 Instantaneous trigger events based in typical recording rates and recording periods Typical recording periods and recording rates are a RMS Trigger Recording Function Recording rate of 1sample per cycle on all the signals i Pre Trigger 60 seconds ii Post trigger 300 seconds b Instantaneous Values Trigger Recording Function recording rate of 250 samples per cycle on all instantaneous signals
29. inuing throughout the Term of this Agreement EP EPP x NEO subject to annual escalation as set forth below Where EP is the Energy Payment EPP is the Energy Purchase Price which for the first Agreement Year shall be equal to 0 1430 per kwh of NEO NEO is the Net Electrical Output expressed in kilowatt hours The Energy Purchase Price for Agreement Years 2 to 20 shall be escalated annually on each anniversary of the Commercial Operation Date in an amount equal to two percent 2 per Agreement Year For Agreement Years 21 to 25 the Energy Purchase Price shall be equal to the Energy Purchase Price applicable during Agreement Year 20 not subject to escalation b Green Credits Payment Beginning with the Pre Operation Period and continuing throughout the Term of this Agreement GCP GCPP x NEO Where GCP is the Green Credits Payment GCPP is the Green Credit Purchase Price which shall be equal to 0 0350 per kWh of NEO for the Term For the avoidance of doubt the Green Credit Purchase Price shall not be subject to escalation for the Term NEO is the Net Electrical Output expressed in kilowatt hours M THIRD AMENDMENT CONTRACT 2011 P00034 5 Section 11 3 in the PPOA is hereby amended by deleting that Section in its entirety and replacing it with the following 11 3 On or before the fifteenth 15th Day following the end of each Billing Period or if later within five 5 Days after HORIZON receives the met
30. isconnection or reduction in Net Electrical Output by curtailment shall end immediately after i THIRD AMENDMENT CONTRACT 2011 P00034 Page 4 7 4 7 5 HORIZON cures such non compliance within the time period established in Section 17 1 of the PPOA The parties will determine in good faith not latter than July 19 2014 the annual tests to be performed by HORIZON to comply with item b above Following the Commercial Operation Date HORIZON will provide to PREPA a nonbinding estimate of short term next Day and next week production based on the previous Day production estimated strength of the solar radiation the next Day and week and based on the meteorological forecast for the region and site The Parties shall include in the Agreed Operating Procedures the procedures and protocols necessary for providing said estimates PREPA acknowledges no intent to reduce Net Electrical Output by curtailment or disconnection under this Agreement outside of those described in this Article 7 and Article 8 3 Article 8 CONTROL AND OPERATION OF THE FACILITY is deleted in its entirety and replaced by ARTICLE 8 CONTROL AND OPERATION OF THE FACILITY 8 1 8 2 8 3 HORIZON shall at least sixty 60 Days prior to the Commercial Operation Date submit a written schedule of Scheduled Outages Scheduled Outage Program for the remaining portion of the first Year of the Facility s operations and if the Commercial Operation Da
31. mendment 17 Governing Law This Amendment shall be governed by construed and enforced in accordance with the laws of the Commonwealth of Puerto Rico and to the extent applicable the laws of the United States of America The Parties herein agree that all Disputes arising hereunder shall be resolved pursuant to Section 22 12 of the PPOA 18 HORIZON and PREPA expressly agree that no amendment or change order which could be made to the PPOA and this Third Amendment during its term shall be understood as an amendment unless both parties agree to the contrary specifically and in writing The previous provision shall be equally applicable in such other cases where PREPA gives HORIZON a time extension for the compliance of any of its obligations under the PPOA as amended or where PREPA dispenses the claim or demand of any of its credits or rights under the PPOA as amended 19 Capitalized Terms Unless otherwise stated capitalized terms used in this Third Amendment which are not defined in this Amendment have the meaning given in the PPOA IN WITNESS WHEREOF the Parties hereto have agreed to execute this Third Amendment in San Juan Puerto Rico on this 19 day of May 2014 Puerto Rico Electric Power Authority Horizon Energy LLC Jugn F Pn Flores Leslie L Hufstetler Oquendo Executive Director Vice President of Operations Sociat Security 660 43 3747 Social Security 453 69 9121 Ra APPENDIX B INTERCONNECTION Seller sh
32. n amount equal to such Balance provided such amount is undisputed or determined to be owed pursuant to a final award pursuant to Section 22 12 This monthly retention shall be eliminated when the tracking account balance equals zero provided that if any portion of the Balance has not been repaid at the end of the twenty fifth 25 Agreement Year plus any extension as per Article 5 PREPA shall have the option to extend the Term for up to an additional two 2 Agreement Years as necessary to repay the Balance plus Interest by applying such monthly retention as set forth above If the Agreement is so extended the Energy Payment for the twenty sixth 26 Agreement Year and thereafter shall be agreed by the Parties at such time If there is a deficit in the tracking account at the end of the twenty fifth 25 Agreement Year an amount sufficient to compensate HORIZON for such deficit shall be paid by PREPA to HORIZON within forty seven 47 days provided such amount is undisputed or determined to be owed pursuant to a final award pursuant to Section 22 12 In the event this Agreement is terminated according to Article 17 herein and there is a balance in the tracking account Termination Balance such Termination Balance plus Interest shall be paid to PREPA within thirty 30 days provided such amounts are undisputed or determined fo be owed pursuant to a final award pursuant to Section 22 12 Notwithstanding during the Term of this Agreement and befo
33. n of new nght of way maintenance and construction of new transmission Ime are responsibility of Horszon Solar Project LLC This new 38 kV ureu shall be buit completely out of PREPA S actual nght of way and shall not interfere with the proposed raute of PREPA S future subtransmission lines and feeder New 38 kV Switchyard and Land Acquisition Required for interconnection and ss responsibility of Horszon Solar Project LLC Horizon Solar Project LLC shal bave the total financial respansibiluy of the costs of the new 38 KV switchyard and comespondmg A m land adquisition The physical layout of the new switchyard shall take mto f 1 consideration PREPA s future expansions Horizon Solar Project shali submit 1 to PREPA the corresponding design and drawings for evaluation and official approval H 7 t iil 2 i l I 1 t 1 persone eee st i I j i H 1 l 1 L 100 1 t L 100 Sey t q Santa Isabel ae ir Additional Jobos TC Sect i Interconnection oe Facilities pes Ppa enn Metering Equipment 38 kV Bus PREPA S Interconnection Facilities L 200 L 100 tty Santa Isabel Jobos TC Sect com rouza Horizon Solar Project LLC PREPA Electrical Interconnection Puerto Rico Electric Power Authority APPENDIX C Amended Energy Purchase Price HORIZON ENERGY
34. n resolutions in the minute books of the Company IN WITNESS WHEREOF the Manager has affixed his signature as of the date first written above Grow By Maurizio A Its Manager
35. ote event triggering 3 3 The equipment shall have the capacity of time synchronization with GPS system A GPS receiver and GPS antenna shall be included 3 4 Triggers 3 4 1 The equipment shall support user defined programmable triggers Triggering shall be initiated based upon primary quantities voltage current and frequency calculated quantities watts Var power factor apparent power etc digital signals or small analog signals 3 4 2 The trigger thresholds shall be based on limits gradients equations and status Examples of trigger conditions that shall be available are i Level threshold high level low level in band out band etc ji Rate of change ex frequency variation df dt ii Manual input keyboard trigger iv Request from remote computer v Event input status digital signal status 3 4 3 A re trigger function shall be available which permits the equipment to generate a new event register if a second disturbance is detected while the recording of the first disturbance is still in process This process should continue if more disturbances occur in the new registers 3 5 The acquisition software shail include a user defined pre trigger interval option as well as a user defined post trigger interval for the information captured in the case of triggered events The minimum range of the pre trigger interval should be from 0 to 60 seconds and the minimum range for the post trigger interval should be 0 to 300 s
36. owers and authority is in the best interest of the Company 3 The Manager hereby authorizes Leslie Hufstetler as authorized representative of the Company Authorized Representative to execute on behalf of the Company on such terms and conditions the Company deems proper any amendments to the Power Purchase and Operating Agreement dated October 15 2010 between Horizon Energy Inc who assigned all its right title and interest therein to Horizon Energy LLC on July 8 2011 and the Puerto Rico Electric Power Authority regarding the sale of energy to the Puerto Rico Electric Power Authority from an up to 32 megawatt photovoltaic solar energy generating facility in the vicinity of Salinas Puerto Rico owned by the Company 4 In addition to all specific acts herein enumerated the Manager hereby authorizes Authorized Representative to do alf acts necessary and proper to effectuate or carry out the purposes and intent of the foregoing action including the execution of any and all documents agreements instruments and or certificates in connection therewith For the avoidance of doubt this action does not authorize Authorized Representative to negotiate any contractual term or exercise discretion on behalf of the Company and the Company may rescind the powers conferred upon Authorized Representative at any time zh 6 The Secretary of the Company is authorized empowered and directed to file a signed copy of these writte
37. p to date operating log at the Facility with records of i real and reactive power for each hour if changes in operating status and Scheduled Outages and ii any unusual conditions found during inspections c Either Party shall have the right from time to time upon fourteen 14 Days written notice to the other Party and during regular business hours to examine the records and data of the other Party relating to the proper administration of this Agreement any time during the period the records are required to be maintained 8 9 At PREPA s request HORIZON shall provide certifications of tests and inspections of the electric and protection equipment which may impact PREPA s electrical system PREPA shall have the right to visit and visually monitor the Facility during operation and testing including any acceptance testing of the Facility 4 Section 11 2 in the PPOA is hereby amended by deleting that Section in its entirety and replacing it with the following 14 2 For each Billing Period PREPA shall pay Horizon an Energy Payment and a Green Credits Payment for the Net Electrical Output measured in accordance with Section 10 3 HORIZON shall include both the Energy Payment and the Green Credits Payment in the monthly invoice submitted to PREPA pursuant to Section 11 3 calculated as follows a THIRD AMENDMENT CONTRACT 201 1 P00034 Page 9 a Energy Payment Beginning with the Pre Operation Period and cont
38. procurement Start Construction Engineering 70 complete Utility technical submittals complete Operating procedures finalized Field Test Protocols Finalized Start test and start up On site Field Tests Completed Complete Compliance with Minimum Technical Requirements Initial synchronizing date Commercial operation PSSE Mathematical Model Parameters and Data Requirements The Contractor shall submit to PREPA a PSS E mathematical model and data related to the proposed PV Facility When referred to the PV Facility model this shall include but is not limited to PV converter transformers collector systems plant controllers contro systems and any other equipment necessary to properly model the PV Facility for both steady state and dynamic simulation modules It is required that the Contractor submits both an aggregate and detailed model of the PV Facility The aggregate and detailed model of the PV Facility shall not be submitted in preliminary form The Contractor shall be required to submit user manuals for both the PV converter and PV Facility models The mathematical models shall be fully compatible with the latest and future versions of PSS E It is preferred that the models are PSS E standard models in the case that the Contractor submits user written models the Contractor shall be required to keep these models as well as its corresponding user manual current with the future versions of the PSS E program until such time that PSS E
39. re any termination of this Agreement takes place Seller shall have the option to prepay all or any portion of the Balance THIRD AMENDMENT CONTRACT 2011 P00034 Page 12 or the anticipated Termination Balance if applicable at any time or from time to time 8 Substitution of APPENDIX B INTERCONNECTION effective as of the date hereof APPENDIX B of the PPOA is hereby substituted and replaced in its entirety by APPENDIX B attached hereto 9 Substitution of APPENDIX C EXAMPLE OF PRICE INDEX CALCULATION effective as of the date hereof APPENDIX C of the PPOA is hereby substituted and replaced in its entirety by APPENDIX C AMENDED ENERGY PURCHASE PRICE attached hereto 10 Section 12 3 of the PPOA and APPENDIX D MACHINE PARAMETERS MEASUREMENTS AND FIELD TEST REQUIREMENTS of the PPOA are deleted in their entirety because their content does not apply to a Solar Photovoltaic Project and replaced with a new APPENDIX D DETERMINATION OF NET ELECTRICAL OUTPUT NOT RECEIVED 11 Substitution of APPENDIX E TECHNICAL SPECIFICATIONS FOR THE DYNAMIC SYSTEM MONITOR effective as of the date hereof APPENDIX E of the PPOA is hereby substituted and replaced in its entirety by APPENDIX E attached hereto 12 Substitution of APPENDIX G MINIMUM TECHNICAL REQUIREMENTS FOR INTERCONNECTION OF PHOTOVOLTAIC PV FACILITIES effective as of the date hereof APPENDIX G of the PPOA is hereby substituted and replaced in its entirety by APPENDIX G MINIM
40. s implemented a standard model In its final form the mathematical model shall be able to simulate each of the required control and Puerto Rice Electric Power Authority Minimum Technicat Requirements for Photovoitale Generation PV Projects 7 M yt operational modes available for the compensation device and shall be compatible with the latest and future versions of PSSE Final adjustments and parameters settings related with the contro system commissioning process shall be incorporated to the PSSE mathematical mode and tested accordingly by the PV facility Contractor and PREPA system study groups The Contractor shalt also perform on site field tests for the identification development and validation of the dynamic mathematical models and parameters required by PREPA for any kind of compensation devices used at the PV facility The mathematical models of the PV facility and its required compensation devices shall be officially certified by Siemens PTI before a specific and validated PSS E mathematical model of the complete PV facility be submitted to PREPA The Contractor shall be responsible of submitting the official reports and certifications from Siemens PTI otherwise the mathematical models shall not be considered valid PV facility Owners that provide user written model s shall provide compiled code of the model and are responsible to maintain the user written model compatible with current and new releases of PSS E until
41. s of technologies at the Renewable Energy Facility The intent is that a PVF can ramp the reactive power from 0 85 lagging to 0 85 leading in a smooth continuous fashion at the POI The 0 90 power factor range should be dynamic and continuous at the point of interconnection POI This means that the PVF has to be able to respond to power system voltage fluctuations by continuously varying the reactive output of the plant within the specified limits The previously established power factor dynamic range could be expanded if studies indicate that additional continuous dynamic compensation is required it is required that the PVF reactive capability meets 0 85 Power Factor PF range based on the PVF Aggregated MW Output which is the maximum MVAr capability corresponding to maximum MW Output It is understood that positive PF is where the PVF is producing MVAr and negative PF is where the PVF is absorbing MVAr Puerto Rico Electric Power Authority Minimum Technical Requirements for Photovoltaic Generation PV Projects 3 This requirement of MVAr capability at maximum output shall be sustained throughout the complete range of operation of the PVF as established by Figure 2 Steady State Reactive Power Capabitity i H Dynamic Reactive H i 1 i i i 1 t i i t Absorbing MVARS piu 1 0 7 MVAR per unit 1 0 Producing MVARs pu Figure 2 Reactive Power Capability Curve Ql 4 SHORT CIRCUIT RATIO SCR REQUIREM
42. s or minus 5 five percent of the actual Net Electrical Output delivered to PREPA no adjustments will be made to the Net Electrical Output calculated in Paragraph C If the calculations described in the preceding Paragraph D show a variance in Net Electrical Output of more than 5 five percent the Net Electrical Output calculated frorn the Output Curve for the Event Hours will be adjusted by multiplying it by a ratio Adjustment Ratio e The Adjustment Ratio will be calculated by taking the arithmetic average of the two ratios resulting of using the Net Electrica Output delivered to PREPA for the Comparable Hours as the numerator and the Net Electrical Output predicted by the Output Curve for the Comparable Hours as the denominator if any period during the Event Hours and thus the Comparable Hours are for a time period that is nat exactly equal to the time period that the meters measure and record the information data for that shorter time period not measured will be calculated by prorating it over the time period recorded For example if the Event Hours is ten 10 minutes and pertinent data is recorded and kept for fifteen 15 minute intervals the data for the shorter time period will be calculated as the product of the data for the fifteen 15 minute interval multiplied by the ratio of ten 10 divided by fifteen 15 i e the actual Event Hours divided by the time interval for which records for these data are available
43. seeking a remedy or cure in accordance with Prudent Electrical Practices or d any other circumstance that can be mitigated by PREPA through economic means 7 3 Notwithstanding Sections 7 1 and 7 2 above PREPA may reduce the Net Electrical Output by curtailment when the following conditions are present a the Facility fails to comply with the requirements of APPENDIX G MINIMUM TECHNICAL REQUIREMENTS FOR INTERCONNECTION PHOTOVOLTAIC PV FACILITIES in which case such disconnection or curtailment shall be on and subject to the protocols established in the Agreed Operating Procedures b HORIZON fails to perform annual tests for compliance with the MINIMUM TECHNICAL REQUIREMENTS FOR INTERCONNECTION PHOTOVOLTAIC PV FACILITIES as required in Section 12 2 and such failure is not cured within 30 days after written notice from PREPA and c HORIZON fails to keep the Facility PSS E mathematical models current with the future versions of the PSS E program thirty 30 Days after a PSS E version upgrade is notified in writing by PREPA to HORIZON provided however that 1 the notice includes all the necessary technical information to update the models and ii the upgrade of these models is feasible in that time period For the avoidance of doubt reduction in Net Electrical Output by curtailment or disconnection due to a above and disconection of Net Electrical Output due to b and c above may be of an extended or permanent nature Any d
44. te occurs after September 1 for the following Year setting forth the proposed Scheduled Outage periods Thereafter HORIZON shall submit to PREPA in writing by September 1 of each Year its proposed Scheduled Outage Program for the next Year HORIZON shall use reasonable efforts to notify PREPA of any Non Scheduled Outages at least twenty four 24 hours in advance and coordinate all Non Scheduled Outages with PREPA If an Emergency is declared by PREPA PREPA s dispatching centers may disconnect the Facility from PREPA s system or reduce the Net Electrical Output by curtailment to the extent permitted by THIRD AMENDMENT CONTRACT 2011 P00034 Page 5 8 4 Article 7 and the Agreed Operating Procedures If a curtailment pursuant to Article 7 is declared by PREPA PREPA s dispatching centers may curtail the Facility s output to the extent permitted by Article 7 and the Agreed Operating Procedures The Facility will remain disconnected from PREPA s system or curtailed following an Emergency until HORIZON has received permission to reconnect from PREPA s dispatching center in accordance with the Agreed Operating Procedures Any disconnection or reduction in the Facility s output required by PREPA under this Agreement shall be of no greater scope and of no longer duration than is required by the Emergency or operating condition pursuant to Article 7 and the Agreed Operating Procedures consistent with Prudent Utility Practices Upon an Em
45. tion should be in hard copy and in digital format 4 3 2 The equipment documentation shall include a copy of the software 4 4 Spare parts recommended by the equipment manufacturer shall be included in the DSM purchase order 4 5 Warranty The equipment warranty shall include part and service for a period not less than 60 months from the delivery day 4 6 Equipment Training installation Support and Commissioning 4 6 1 An on site equipment operation and configuration training should be included 46 2 The DSM manufacturer shall perform the equipment commissioning and offer installation support Page 5 of 5 APPENDIX G MINIMUM TECHNICAL REQUIREMENTS FOR INTERCONNECTION OF PHOTOVOLTAIC PV FACILITIES The proponent shall comply with the following minimum technical requirements 1 VOLTAGE RIDE THROUGH T ji 1 f Voltage Nominal i j i 4 i i t 2 o t ost 1 15 i Legend 150m 600 ms Time s LRT OVRT Figure 1 Voltage Ride Through Requirements a PREPA s Low Voltage Ride Through LVRT Requirements i From Figure 1 PREPA requires all generation to remain online and be able to ride through three phase and single phase faults down to 0 0 per unit measured at the point of interconnection for up to 600 ms ii All generation remains online and operating during and after normally cleared faults on the point of interconnection Puerto Rico Electr
46. tten models the Contractor shall be required to keep these models current with the future versions of the PSS E program until such time that PSS E has implemented a standard model The Contractor shall submit to PREPA an official report from Siemens PTI that validates and certifies the required mathematical models including subsequent revisions The data and PSS E model shall also be updated and officially certified according to PREPA requirements when final field adjustments and parameters measurements and field tests are performed to the facility by the contractor The mathematical model either PSS E standard or user written model of the PV facility shall be officially certified by Siemens PTI before a specific and validated PSS E mathematical model of the complete PV facility be submitted to PREPA The Contractor shall be responsible of submitting the official reports and certifications from Siemens PTI otherwise the mathematical model shall not be considered valid The Contractor shall be responsible to submit Siemens PTI certified PSSE mathematical models of any kind of compensation devices ie SVC STATCOMs DSTATCOMs BESS etc used on the PV facility It is preferred that the models are standard models provided with PSS E In the case that the Contractor submits user written modets the PV facility Contractor shall be required to keep these models current with the future versions of the PSS E program until such time that PSS E ha
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