FIRST AMENDMENT CONTRACT 2013-P00070
Contents
1. 48 hours in the aggregate during any thirty 30 Day period and iii one hundred eighty 180 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 shalt be the earlier to occur of i ten 10 consecutive Days and ii three hundred 300 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 SELLER for each hour of the curtailed energy after the waiting period in in accordance with APPENDIX F 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 Seller from any business interruption insurance policy that Seller 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 First Amendment Contract 2013 P00070 Atenas Solar Farm Page 6 8 6 8 7 may arise SELLER shall make technical information and data available to PREPA concerning start up times and black s2. a the Facility fails to comply with the requirements of APPENDIX E MINIMUM TECHNICAL REQUIREMENTS FOR INTERCONNECTION OF PHOTOVOLTAIC PV FACILITIES if PREPA has amended the requirements of APPENDIX E then only if such amendment is applicable to the Facility pursuant to Section 9 13 and x the SELLER has received written notice of any such amendment y SELLER has had an appropriate period of time to comply with any such amended requirement and z PREPA has agreed to teimburse SELLER for any costs in excess of the Modification Limit pursuant to Section 9 13 b SELLER fails to perform annual tests for compliance with the MINIMUM TECHNICAL REQUIREMENTS FOR INTERCONNECTION OF PHOTOVOLTAIC PV FACILITIES as required in Section 12 2 and c SELLER 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 SELLER provided however that i 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 any disconnection due to a and b above may be of an extended or permanent nature if not cured by SELLER in a timely manner Any disconnection shall end promptly after SELLER cures such non compliance The energy storage systems utilized to comply with the Section 7 Ramp Rate Control of MINIMUM TECHNI
3. loss and no load tap changer 8 PV Facility step up transformer impedance load loss no load taps changer it 12 13 14 connection and winding PV Facility Short Circuit Ratio PV Facility kilowatt rating PV Facility kifovar rating Equivalent PV Facility modeling for Short Circuit Studies Seller s requirements for power supplied by PREPA during construction and start up Project schedule l J or bar chart format including but not limited to the following milestones OF status obtained Engineering 30 complete One line diagram approved Financial Closing Date Appendix B Interconnection Page 2 15 7 Major licenses permits Major material 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 control systems and any other equipment necessary to properly model the PV Facility for both steady state and dynamic simulation modul
4. 1 Article 1 DEFINITIONS is amended to include the term Contracted Capacity and defines it as follows Contracted Capacity means the maximum AC Capacity to be exported by SELLER at the Interconnection Point which shall be 20 MW 2 Article 5 Term Section 5 1 is hereby amended by deleting the phrase Twenty 20 and replacing it with the phrase Twenty Five 25 First Amendment Contract 2013 P00070 Atenas Solar Farm Page 2 3 Article 5 Term Section 5 2 is hereby amended by deleting the first sentence The Term of this Agreement may be extended by mutual agreement of the Parties for up to two consecutive periods of five 5 years each following the expiration of the initial Twenty Agreement Year Term and replacing it with the sentence The Term of this Agreement may be extended by mutual agreement of the Parties for one consecutive period of five 5 years following the expiration of the initial Twenty Five 25 Agreement Year Term 4 Articles 7 Dispatching and 8 Control and Operation of The Facility are hereby amended by deleting them in their entirety and replacing such Articles with the following language ARTICLE 7 DISPATCHING 7 4 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
5. CAL REQUIREMENTS FOR INTERCONNECTION OF PHOTOVOLTAIC PV FACILITIES requirement shall have a minimum nominal storage capacity of 20 of AC Contracted capacity and for at least one minute a minimum effective storage Capacity of 30 of AC contracted capacity If these resources are not sufficient to manage a ramp event the frequency response storage capacity will be used to the extent of its full nominal 10 capacity and its 15 effective capacity for a minimum of 30 nominal capacity and 45 effective capacity The parties will establish the procedures for the compliance with this requirement in the Agreed Operating Procedures Following the Commercial Operation Date SELLER will provide to PREPA a non binding estimate of short term next Day and next week production First Amendment Contract 2013 P00070 Atenas Solar Farm Page 4 76 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 ARTICLE 8 CONTROL AND OPERATION OF THE FACILITY 8 1 RS _ _ OW 8 3 SELLER shall at least sixty 60 Days prio
6. Conditions Page 4 of 5 4 1 4 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 rms 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 documentation should be
7. Credits Payment GCPP is the Green Credit Purchase Price for Agreement Years 1 to 25 shall be equal to 0 0150 kWh not subject to escalation APPENDIX C Example of Price Index Calculation is hereby amended by replacing it with APPENDIX C Amended Price Calculation attached hereto 6 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 7 Substitution of Appendix D TECHNICAL SPECIFICATIONS FOR DYNAMIC SYSTEM MONITOR DSM effective as of the date hereof APPENDIX D of the PPOA is hereby substituted and replaced in its entirety by APPENDIX D attached hereto 8 Substitution of Appendix F DETERMINATION OF NET ELECTRICAL OUPUT NOT RECEIVED effective as of the date hereof APPENDIX F of the PPOA is hereby OW substituted and replaced in its entirety by APPENDIX F attached hereto 9 All references on the Agreement to the MINIMUM TECHNICAL REQUIREMENTS FOR SOLAR PV PROJECTS shall be changed to MINIMUM TECHNICAL REQUIREMENTS FOR INTERCONNECTION OF PHOTOVOLTAIC PV FACILITIES 10 The above mentioned amendments apply to all terms and conditions of the PPOA as applicable 11 Representations and Warranties of each Party a PREPA hereby represents and warrants to SELLER i the execution and delivery by PREPA of this Amendment and the Amendment itself have been duly authorized by PREPAs Governing Bo
8. FIRST AMENDMENT CONTRACT 20143 P00070 A RENEWABLE POWER PURCHASE AND OPERATING AGREEMENT BETWEEN DESARROLLOS DEL NORTE d b a ATENAS SOLAR FARM AND THE 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 Desarrollos del Norte Inc d b a Atenas Solar Farm hereinafter referred to as SELLER a corporation organized and existing under the laws of Puerto Rico authorized to do business in Puerto Rico represented in this act by its President Jes s Joel P rez Caraballo of legal age single executive and resident of San Juan Puerto Rico by virtue of Corporate Resolution dated as of Mey 2S 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 December 28 2012 a Power Purchase 2 and Operating Agreement PPOA for the development of a 20 MW photovoltaic solar d energy system in Manati Puerto Rico the Facility NOW THEREFORE the Parties hereby agree to amend the following Articles of the PPOA
9. ard and any other applicable First Amendment Contract 2013 P00070 Atenas Solar Farm Page 10 PREPA governing body in accordance with applicable law 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 1944 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 SELLER hereby represents and warrants to PREPA i the execution a 14 15 12 delivery and performance by SELLER of this Amendment have been duly authorized and do not and will not A require any additional internal consent or approval of SELLER or B violate any provision of SELLER 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 SELLER enforceable against SELLER in accordance with its terms except as m
10. 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 contro and operational modes available for the compensation device and shall be compatible with the fatest and future versions of PSSE Final adjustments and parameters settings related with the contro system commissioning process shall be incorporated to the PSSE 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
11. ay 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 hereby ratified and confirmed in alt respects No Implied Waiver This Amendment shall 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 counterpart s each of which shall be deemed an original and shall be binding upon the Party who executed the same but all of such counterparts shall constitute the same Amendment Governing Law This Amendment shail 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 First Amendment Contract 2013 P00070 Atenas Solar Farm Page 11 agree that all Disputes arising hereunder shail be resolved pursuant to Section 22 12 of the PPOA 16 Capitalized Terms Unless otherwise stated capitalized terms used in this Amendment which are not defined in this Amendment have the meaning given in the PPOA All other t
12. e and type of trigger that initiated the event shall be included as part of the disturbance record Page 3 of 5 3 6 The acquisition software shall have the following capabilities i Time displays ex Oscilloscope ii Digital Status display ex High Low 1 0 ii Multiple disptays and multiple signals in displays in real time and off line iv Display resizing v Programmable conversion of range and units of signals vi 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 software 3 8 The software shall support data export in ASCI CSV and PSS E formats 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 ii Peak analysis gt z gt ii 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 ow i Three phase and single phase Power Real reactive apparent ii Power Factor iii 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 4 1 Environmental
13. erms and conditions specifications stipulations insurances and requirements established in the PPOA remain unaltered and fully enforceable This is the agreement between the appearing parties under this First Amendment and so is hereby ratified IN WITNESS WHEREOF the Parties hereto have agreed to execute this First Amendment in San Juan Puerto Rico on this_56 day of May 2014 Puerto Rico Electric Power Authority Desarrollos del Norte Inc d b a Atenas Solar Farm Alic a nike Jes s Joel P rez Caraballo Executive Director President Social Security number 660 43 3747 Social Security number 522 40 2883 APPENDIX B INTERCONNECTION Seller shall 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 1 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
14. es 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 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 shail 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 Itis preferred that the models
15. gger 2 seconds c Continuous Recording Function The recording rate is 1 sample per second on all 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 less than 0 3 of reading 2 6 2 Current measurement error shall be less than 0 3 of reading Page 2 of 5 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 iii Remote event triggering 3 3 The equipment shall ha
16. in hard oe copy and in digital format pease The equipment documentation shall include a copy of the software 4 4 Spare parts recommended by the equipment manufacturer shall be included oll 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 4 6 2 The DSM manufacturer shall perform the equipment commissioning and offer installation support Page 5 of 5 APPENDIX F 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 First the specific time period Event Hours of the Day Event Day that PREPA does not receive Net Electrical Output in connection with a disconnection or curtailment of the Facility will be determined 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 Third SELLER 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 los
17. l be equal to the Agreement Year 20 Energy Purchase Price The Green Credit Purchase Price for Agreement Years 1 to 25 shall be equal to 0 01 5 kWh APPENDIX D TECHNICAL SPECIFICATION FOR DYNAMIC SYSTEM MONITOR DSM 1 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 tequired 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 ae 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 shalt 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 minimum input voltage range of the digi
18. r 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 Date occurs after September 1 for the following Year setting forth the proposed Scheduled Outage periods Thereafter SELLER shall submit to PREPA in writing by September 1 of each Year its proposed Scheduled Outage Program for the next Year SELLER shall use commercially 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 lf an Emergency is declared by PREPA PREPA s dispatching centers may disconnect the Facility from PREPA s system to the extent permitted by Article 7 If a curtailment pursuant to Article 7 is declared by PREPA PREPA s dispatching centers may curtail the Facility s output The Facility will remain disconnected from PREPA s system following an Emergency until SELLER has received permission to reconnect from PREPA s dispatching center Any disconnection or reduction in the Facility s output tequired by PREPA under this Agreement shail be of no greater scope and of no longer duration than is required by the Emergency or operating condition pursuant to Article 7 consistent with Prudent Utility Practices Upon an Emergency or curtailment pursuant to Article 7 that results in any disconnection or reduction in
19. rds so notified shall be delivered to the Party requesting their return in no more than ten 10 Days SELLER shall maintain an accurate and up to date operating log at the Facility with records of i real and reactive power for each hour ii changes in operating status and Scheduled Outages and iii any unusual conditions found during inspections 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 At PREPA s request which request shall be with reasonable anticipation SELLER 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 First Amendment Contract 2013 P00070 Atenas Solar Farm Page 8 5 Article 9 FACILITIES DESIGN AND INTERCONECTION Section 9 12 is hereby amended to include the following language PREPA shall own and be responsible for the safe and adequate operation and maintenance of the PREPA s interconnection Facilities SELLER shall be responsible for the replacement and maintenance cost of the breaker and its installa
20. riance in Net Electrical Output of more than 5 five percent the Net Electrical Output calculated from 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 Electrical 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 not 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 APPENDIX F 1 OUTPUT CURVES To be provided by SELLER and approved by PREPA two weeks after the Initia Synchronization Date Output Curves shall be revised annually
21. ses 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 photovoitaic modules installed in the Facility 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 will be compared to the Actual Net Electrical Output APPENDIX F DETERMINATION OF NET ELECTRICAL OUPUT NOT RECEIVED PAGE 2 delivered to PREPA for the same time periods ff the Net Electrical Output calculated from the Output Curve is plus 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 va
22. shall provide a detailed transient mathematical mode 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 APPENDIX C Amended Price Calculation Desarrolios dei Norte inc d b a Atenas Solar Farm Agreement Energy Green Credit Year Purchase Price Purchase Price S kWh kWh 1 0 1450 0 015 2 0 4479 0 015 3 0 1609 0 015 4 0 1539 0 015 5 0 1570 0 015 6 0 1601 0 015 7 0 1633 0 015 Ez a 01666 0 015 5 9 0 1699 0 015 10 0 1733 0 015 1 0 1768 0 015 12 0 1803 0 015 13 01839 0015 14 0 1876 0015 15 EE 0o05 16 0 1952 0 015 17 0 1991 0 045 16 0 2030 0 015 22o EE 0 2071 0 015 20 0 2112 0 015 es 21 0 2112 0015 22 0 2112 0 015 Ww 23 0 2112 0 015 g 24 0 2442 0 015 25 0 2112 0 015 The Energy Purchase Price for Agreement Years 2 to 20 shall be escalated in an amount equal to two percent 2 0 Following Agreement Year 20 the Energy Purchase Price for Agreement Years 21 through 25 inclusive shal
23. shutdown or disconnection of the Facility 7 2 Notwithstanding Section 7 1 PREPA may require SELLER to disconnect the Facility or reduce the amount of Net Electrical Output by curtailment pee xe Joo due to operating conditions that may 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 shall be based upon and implemented in a manner consistent with Prudent Utility Practices PREPA shall 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 seeking a remedy to cure in accordance with Prudent Electrical Practices and d any other circumstance that can be mitigated by PREPA through economic means Some of these situations may include but are not limited to power quality problems in 38 kV line as well as outages and disconnections vias libres of the abovementioned transmission center or line due to disturbances maintenance and or improvement First Amendment Contract 2013 P00070 Atenas Solar Farm Page 3 TID 7 3 7 4 7 5 Notwithstanding Sections 7 1 and 7 2 above PREPA may also disconnect the Facility when the following conditions are present
24. tal inputs should be 0 150 V The digital inputs should be included as a user defined software triggering input 2 1 3 The equipment shall 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 All setup parameters shall be store in a non 2 3 ee 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 shall 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 fsample 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 i Pre Trigger 1 second ji Post Tri
25. tart capabilities If the 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 SELLER shall make reasonable efforts consistent with Prudent Utility Practices to reschedule the Scheduled Outage or Non Scheduled Outage or if the Scheduled Outage or Non Scheduled Outage has begun to expedite completion thereof The reschedule of any Schedule Outage or Non Scheduled Outage will be in coordination with PREPA SELLER shall provide as a minimum at its expense and PREPA shail install where applicable at SELLER s expense the following communication facilities linking the Facility with PREPA s dispatching centers a One Remote Terminal Unit RTU including setup installation and configuration which shall be specified by PREPA b Two independent telecommunication circuits One voice grade to link the SCADA system to the facility RTU using DNP protocol though 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 trough the ruggedcom security device as specified by PREPA c A voice telephone extension for the purpose of communicating with Monacillos TC and Ponce TC d A telephone line and equipment to transmit and receive facsimile messages to confirm the oral communication bet
26. the Facility s output PREPA shall as soon as practicable after the occurrence of the Emergency or operating First Amendment Contract 2013 P00070 Atenas Solar Farm Page 5 he yo 8 4 8 5 condition provide written notice to SELLER describing the particulars of the occurrence and its estimated duration and shall diligently use all commercially 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 on such occurrences PREPA shall have no liability to SELLER 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 Seller 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 period set forth in the next three sentences after delivery of SELLER 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 a maximum forty eight 48 consecutive hours ii forty eight
27. tion including both disconnecting switches and breaker protection equipment that connects the Facility s 38 kV line in PREPA s switchyard PREPA shall provide SELLER with an exact estimate of the cost of the equipment and the cost of installation for its approval 6 Article 11 Compensation Payment and Billing Section 11 2 in the PPOA is hereby amended by deleting that Section in its entirety and replacing it with the following 11 2 a Energy Payment Beginning with the Pre Operation Period and continuing throughout the Term of this Agreement EP EPP x NEO Where EP is the Energy Payment eisie EPP is the Energy Purchase Price which for the first Agreement Year shall be 0 1450 kWh regardless of the Year in which the 9 V Facility enters into Commercial Operation ar NEO is the Net Electrical Output expressed in kilowatt hours The Energy Purchase Price for Agreement Years shall be escalated in an amount equal to two percent 2 0 from Agreement Year 2 to 20 Following Year 20 the Energy Purchase Price for Agreement Years 21 through 25 inclusive shall be equal to the Year 20 Energy Purchase Price An example of the Energy Payment is included in APPENDIX C Amended First Amendment Contract 2013 P00070 Atenas Solar Farm Page 9 11 2 6 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
28. ve 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 a D ii Rate of change ex frequency variation df dt iii Manual input keyboard trigger iv Request from remote computer g yt 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 shall 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 intervat should be from 0 to 60 seconds and the minimum range for the post trigger interval should be 0 to 300 seconds In addition the date tim
29. ween PREPA and SELLER e A Dynamic System Monitor equipment in accordance with APPENDIX D 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 First Amendment Contract 2013 P00070 Atenas Solar Farm Page 7 SELLER shall be responsible of providing installing wiring and commissioning of all the equipment and components for the DSM system necessary in the Interconnection Facilities Items provided by SELLER in accordance with this Section 8 7 shall be subject to the approval of PREPA which approval shall not be unreasonably withheld or delayed 8 8 Each Party shall keep complete and accurate records and other data required for the proper administration of this Agreement lt 2 8 9 a b c All such records shall be maintained for a minimum of five 5 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 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 certain records at its sole cost and expense Any reco
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