Strategic Reserve User Guide
Contents
1. ELIA STRATEGIC RESERVE USER GUIDE 7 e The Delivery period When the activation enters the start of the Delivery period the SDR and SGR units should have reached their target levels The status acti vation will be in Delivery status when at least one SGR or SDR unit is in the Delivery period The following mes sage will be displayed in the RSS Feed to announce the Delivery period The Delivery period has been reached for the strategic reserve Elia operates The selected providers will follow their strategic reserve activation program from DD MM YYYY hh mm ss until DD MM YYYY hh mm ss During this period the activated volumes of the strategic reserve will evolve between XXX MW and XXX MW Disclaimer Please be careful the Delivery period can still be stopped or the activated volumes changed at any moment by Elia if the activated volumes do not fit with the actual need The Activation Stop means that the SR activation has been stopped This will be shown in the SR status activa tion and in a message in the RSS feed The Delivery period of the strategic reserve has been stopped by Elia at DD MM YYYY hh mm ss As a conse quence no more activations of the strategic reserve are foreseen from DD MM YYYY hh mm ss until DD MM YYYY hh mm ss Disclaimer Please continue to follow carefully the RSS Feed because other SR activations are still possible Important notice The tariff of 4500 MWh can only be reach2. Time Horizon 1_ Nov 2 Nov 3 Nov 4 Na ELIA GRID GENERATION CAPACITY FORECASTS Elia publishes the available hourly generation capacity of facilities with a CIPU contract on its website This information can be consulted on the following webpage This forecast covers a period extending from one day ahead to the end of the current year The forecast of the current day is represented graphically per fuel type on the webpage see picture hereunder To consult the forecasts for the next days an excel file can be downloaded from a link situated on the webpage ELIA STRATEGIC RESERVE USER GUIDE 11 under this graph The available generation capacity forecasts for CIPU units with more than 100 MW capacity can also be consulted on this webpage Elia also publishes an overview of planned and unplanned out ages of generation units with a nominal power greater than 100 MW This information can be consulted on the following webpage o 3 2 3 4 5 6 7 B 9 Liquid Fuel Wind Other nuclear 10 11 12 13 14 15 16 17 I8 Water coal Natural Gas 19 20 21 22 Hours ELIA GRID RENEWABLE GENERATION FORECASTS Elia publishes on its website the wind and solar power gener ation forecasts The wind power generation forecasts can be consulted on the following webpage while the solar power gen eration forecasts can be consulted on the following webpage For solar power generation the webpage shows
3. this indicator can already appear in day ahead and it cor responds to the Economic and Technical Triggers The warm up period Between the detection and the Notification gate Elia selects the suppliers to be acti vated see 6 5 Functioning Rules When selected SGR and SDR suppliers receive a notification from Elia with the volumes they will have to activate as well as the tim ing of activations The RSS feed gives the end and begin time of the warm up period of the first supplier However after this first notification Elia can choose to prolong the warm up period or to cancel it The warm up period will only start at the time announced in the RSS feed mes sage or when the status activation changes For more information about the Notification gate please consult 6 4 3 of the Functioning Rules The status activation will be in notification status when at least one SGR or SDR unit is in the warm up period The following message will appear in the RSS feed to announce the Notification gate The Notification gate i e start of the warm up period has been reached for at least one of the selected Strategic Reserve suppliers This warm up period will run from DD MMIYYYY hh mm ss and DD MM YYYY hh mm ss Disclaimer Please be careful as long as there is no actual verification warning or STOP message the warm up period will continue and might be prolonged It can also be decided that the Delivery is not needed and that the war
4. See www belpex be The Technical Trigger see 6 4 2 of the Functioning Rules is activated in day ahead or in real time when Elia identifies based on its own analyses a risk of structural shortage on the system The indicators regarding the status of the system that are used for the detection of a risk of structural shortage as well as how an alarm of a risk of structural shortage is triggered are described in the Functioning Rules When a Technical trigger is detected the following message in the RSS feed is published A Technical Trigger has been detected for the strategic reserve Elia operates As a consequence a need for the strategic reserve from DD MM YYYY hh mm ss until DD MM YYYY hh mm ss is expected During this period the strategic reserve will be acti vated in order to cover the needed volumes which are expected to vary between XXX MW and XXX MW Disclaimer Please be careful the timing and the actual activated volumes can still change until the Verification gate One technical trigger can cause several activations of strategic reserve ELIA STRATEGIC RESERVE USER GUIDE 5 Elia Grid Available Regulation Capacity ARC Elia publishes on its website the available regulating volumes that can be activated to offset imbalances and the marginal prices of the bids for activating those volumes Those data are published at 8 pm on the day ahead and can be updated in intraday If there is a strategic reserve volume acti
5. an aggregate forecast of the PV solar power generation for today up until ELIA STRATEGIC RESERVE USER GUIDE 12 the next three days Using the selection filter the latter will vary according to the geographic region selected provincial regional or country level The picture hereunder shows how the graph is represented on the website Here you can find more about the hypotheses taken to build these forecasts Region BeginDate 30 09 2014 Monitored solar PV capacity 2817 61 MWp 2000 1500 1000 500 Solar PV Power MW Selection filter Click here to go to map view gt EndDate 06 10 2014 Solar PV Power Forecasting for Belgium Day Ahead forecast MW Intraday forecast MW Upscaled measurement MW Export options gt Current selection w For wind power generation the webpage shows an aggregate forecast of the wind power generation for the next seven days This varies depending on the selected filter filter 1 onshore vs offshore wind farms filter 2 wind farms connected to Elia ELIA STRATEGIC RESERVE USER GUIDE 13 ELIA GRID CROSS BORDER CAPACITY FORECASTS Elia publishes on its website the week ahead border capacity between France and Belgium and between The Netherlands and Belgium To understand how those values are calculated vs DSO The picture hereunder shows how the graph is rep resented on the website Here you can find more about t
6. gate start of the ramp up period e the start of the Delivery period end of the ramp up pe riod and start of the period during which the SR should deliver the required SGR SDR e the activation Stop the moment when the SR activation is finished or stopped earlier than foreseen In this section we only explain the Detection gate For more explanation about the other SR statuses please see section Real Time Management Hereunder we show an example of the content of the SR Status Activation page when the warm up period has been stopped The first part of the page shows the intraday situation see Real Time section for more information the second part shows if there is an Economic and or a Technical Trigger activated STATUS ACTIVATION Intraday SR trigger Current status strategic reserve activation No Foreseen SR Activation Day Aheod Last publication 10 10 2034 12 52 Actually there la no economical or technical trigger detected far 16 10 2014 Orscaimer In case of an actual Economic and or Technical Trigger activa tion the expected timing and activated SR volumes are also communicated Please be careful when interpreting the expected timing and activated volumes Those values are best estimates that Elia calculates in day ahead The values will become more accurate when approaching the SR delivery time The picture hereunder shows how it will be presented on the Elia s website Hereunder the
7. the coming winter 2014 2015 can be consulted Two important documents can also be downloaded in this section 2 GETTING READY Strategic Reserve submenu In the menu Grid Data there will be a submenu Strategic Reserve There you can find the following subparts e User Guide e SR Status Activation e RSS Feed e iSR TaskForce e SR Capacity The RSS Feed Grid Data gt Strategic Reserve gt RSS Feed for strategic reserve webpage shows text messages describing the current situation of the SR mechanism Anybody can reg ister for free to the flow and receive warning mails each time a new feed is created on this webpage The SR Capacity Grid Data gt Strategic Reserve gt SR Capac ity section shows a table with two important data e SR Capacity Day Ahead MW per H The total strategic reserves available that can be sold on Belpex Day Ahead in case of an Economic Trigger which is equal to the vol ume of SGR available e Economic Trigger volume MW per H Effective volume sold on Belpex after an Economical Trigger occurrence 2 Prior to the day ahead market coupling Elia informs Belpex on the total available volumes of SGR per hour for the next day The contracted SR suppliers inform Elia on their available volume based on the Pmax Available that the SGR providers sent to Elia each day according to CIPU procedures in a DA basis SGR available volumes are notified to Elia prior to the day ahead marke
8. wind power generation forecasts can be consulted on the following webpage while the solar power gen eration forecasts can be consulted on the following webpage For more detail about those pages please consult Elia Grid Renewable Generation Forecasts section ELIA GRID NOMINATED CROSS BORDER CAPACITY Elia publishes on its website the day ahead total cross border nominated capacity as well as the split of the cross border nominated capacity between France and Belgium and between The Netherlands and Belgium The nominated values correspond to the cross border capacity that has already been bought on the market while the daily cross border capacities France Belgium and The Netherlands Belgium show the maximum available cross border capacity The difference between the maximum available and the nom inated capacities give the remaining cross border capacities To understand how those values are calculated please visit the following page 4 3 Real time Management ELIA GRID CROSS BORDER PHYSICAL FLOWS Elia publishes the real time exchanges of energy observed at borders Those cross border physical flows are distinguished from commercial flows which correspond to the exchange pro grams nominated capacity scheduled by market players using cross border mechanisms ELIA STRATEGIC RESERVE USER GUIDE 16 Hereunder is shown a screenshot of the physical flows between France and Belgium of the previous day pink lin
9. Strategic Reserve User Guide Ri aiia ELIA STRATEGIC RESERVE USER GUIDE 2 Disclaimer This document has no legal value and is established with the purpose to help Grid Users to deal with the Strategic Reserve This document should always be aligned with the two following documents the Functioning Rules of strategic reserves and the Procedure for Constitution of strategic reserves In case of mismatches the Functioning Rules prevail and are to be considered as valid reference Please note that some of the published data are more recently updated than others The accuracy is variable from data to data Please always look attentively to the hypotheses taken when interpreting any pub lished data Introduction This document explains where an ARP or any other market party can find on the Elia website the necessary information related to the strategic reserve GR mechanism Please pay attention that the content of this document is intended for persons with an advanced knowledge on the subject basic information is not always explained but can notably be found in the SR fact sheet or the SR product sheet The main assumptions taken are systematically stated and it is explained how the data should be understood The document is divided in three sections Anticipation Getting ready and Real time Manage ment This should help ARPs in any po
10. ating those volumes See Getting Ready section for more information e The Using Regulation Capacity URC showing the ac tivated regulation volumes and the prices for activating those volumes On top of that the activated SR volumes as well as the SR prices are displayed in the tables To understand how those imbalances prices are calculat ed during a SR activation please consult 6 7 2 of the Functioning Rules Important disclaimer When the strategic reserve volume that is activated is bigger than 0 MW the imbalance tar iffs calculus is adapted accordingly This means that in the prices table the columns MIP IGCC R2 Bids R3 MDP IGCC R2 and Bids will not be used for the calcula tion of the imbalance prices when a activation of strategic reserve is on going The imbalance price will be in the col umn with the SR Price e The Imbalance prices for upwards and downwards regulation per quarter hour for the current day are dis played on a graph see hereunder The Net Regulation Value NRV is showed on the same graph Imbalance prices on 6 10 2014 200 100 MWh 50 100 0 l 2 3 4 5 6 7 8 WTI Hours 300 200 100 100 200 300 14 15 16 17 18 19 20 21 22 23 NRV MW POS MWh NEG emwn ELIA STRATEGIC RESERVE USER GUIDE 9 Under this graph the same data can be consulted under the can be downloaded from the Elia s websit
11. d volumes can 08 change until che Verification phase In this case Belpex will offer an additional volume coming from the Strategic Reserve of Elia in order to meet the demand on the Belpex DAM If the additional volume is not sufficient to meet the demand on the Belpex SRM Market Segment the SR vol umes will be spread pro rata among the demand bids After wards Elia will publish the following message on the RSS feed with the following text An Economic Trigger has been detected for the strategic reserve Elia operates As a consequence a need for stra tegic reserve from DD MM YYYY hh mm ss until DD MM YYYY hh mm ss is expected During this period the strategic reserve will be activated in order to cover the needed volumes which are expected to vary between XXX MW and XXX MW Disclaimer Please be careful the timing and volumes men tioned here are only those that have been identified on Belpex Economic Trigger only The timing and the effective activated volumes can still change until the Verification gate One economic trigger can cause several activations of stra tegic reserve 3 Structural shortage of the zone situation during which the total consumption level of the coupling zone cannot be covered by the offer of installed production in the Belgium grid excluding the contracted Balancing Reserves including the importation possibilities and the energy available on the market defined in Electricity Act art 2 54 4
12. e The two columns form of a table See hereunder for an example The data can be on the right of this table shows the upwards and downwards consulted on the same page on the table below the graph from imbalance price per quarter of an hour the webpage and in the column in parallel with the NRV and Quarter NRV MW SI MW a MWh MIP MWh MDP MWh POS MWh NEG MWh 00 00 gt 00 15 39 181 74 956 0 00 79 11 4 22 4 22 4 22 00 15 gt 00 30 79 509 98 031 0 00 79 36 4 64 4 64 4 64 00 30 gt 00 45 78 848 64 574 0 00 0 00 4 64 4 64 4 64 00 45 gt 01 00 9 429 15 387 0 00 79 12 4 37 4 37 4 37 01 00 gt 01 15 97 610 198 253 1 00 85 28 0 00 85 28 86 28 01 15 gt 01 30 23 055 1 164 0 00 85 28 6 09 85 28 85 28 01 30 gt 01 45 13 016 0 159 0 00 85 29 6 09 6 09 6 09 Important disclaimer When the strategic reserve volume that is activated is bigger than 0 MW the imbalance tariffs calculus is adapted accordingly This means that the columns alpha MIP and MDP are not used for the calculation of the imbalance prices POS and NEG when a activation of strategic reserve is on going and the activated volume is bigger than 0 MW The imbalance prices POS and NEG can either reach 4 500 MWh or be calculated based on the available reserve capacity prices see below section Elia Grid Available Regulation Capacity ARC To understand the exact formula be
13. e and the phys ical flows of the current day green line for a given day The same information can be consulted on the same page for the border between Belgium and The Netherlands as well as the import export balance of Belgium 500 500 z 1000 1500 2000 2500 0 1 2 3 4 5 6 7 8 9 10 Physical flow 17 12 13 14 15 16 17 18 19 20 24 22 23 Hours ELIA STRATEGIC RESERVE USER GUIDE 17 Elia publishes also the intraday cross border capacity for energy exchanges between Belgium and France and between Belgium and The Netherlands Hereunder is shown a screenshot of the intraday capacity made available by netting for flows going from France to Belgium France gt Belgium 1250 1000 750 500 250 o wm 0 1 4 5 Intraday Capacity Netting 6 7 8 9 10 1 13 14 t1 Hours Capacity made available by netting 15 16 17 18 19 20 21 22 23 07 10 2014
14. ed during the ramp up period and the Delivery period Elia Grid Balancing Situation To follow the balancing situation on the Elia Grid is crucial for ARPs during any SR activation Indeed the imbalance prices might sharply increase during the activation period see 6 7 1 of the Functioning Rules to better understand the importance of the balancing prices mechanism In order to help the ARPs to take this parameter into account Elia publishes on its website e The current System Imbalance SI as well as the current Net Regulation Volume NRV on its website Those data are refreshed every 2 minutes and can be downloaded by any user Grid Data gt Balancing gt Using Regulation Capacity for the NRV values and Grid Data gt Balancing gt Imbalance Prices for the Sl The volumes of energy injected in the Belgian coupling zone by a SR unit will be counted in the NRV calculus except for the vol umes supplied on the Belpex SRM Please consult 6 6 of the Functioning Rules for more detail e The RSS Feed Grid Data gt Strategic Reserve gt RSS Feed section for the balancing warnings Anybody can register to this flow and receive warning mails each time a new feed is created on this webpage This is a separate RSS feed from the Strategic Reserves warnings ELIA STRATEGIC RESERVE USER GUIDE 8 e The Available Regulation Capacity ARC showing the volumes that can be activated to offset imbalances and the marginal prices for activ
15. he hypotheses taken to build these forecasts please visit the following page Filter options Filter 1 Filter 2 Aggregate Belgian Wind Farms w EndDate 10 10 2014 Aggregate Belgian Wind Farms BeginDate 30 09 2014 Monitored capacity 1778 95 MW Belgian Wind Power Forecasting Forecast MW Upscaled Measurement MW Active Decremental Bids Y e S LF Bw Export options gt Current selection W 4 2 Getting ready ELIA GRID DAY AHEAD LOAD FORECASTS Elia publishes Day Ahead Total load forecasts on its website This information can be consulted on the following webpage The total load incorporates all electrical loads on the Elia grid and in underlying distribution networks and also includes elec trical losses It is estimated based on a combination of meas urements and upscaled values of injections of power plants including generation in the distribution networks to which imports are added Subsequently exports and power used for energy storage are deducted leading to an estimation of the actual total load in the Elia grid and all underlying networks Note that the Elia grid comprises networks of at least 30 kV in Belgium plus the Sotel Twinerg grid in the south of Luxem bourg ELIA STRATEGIC RESERVE USER GUIDE 14 The published Elia grid load forecast is therefore purely infor mational as large deviations can occur on days with varying o
16. hind the calculus of the imbalance prices please consult 6 7 2 of the Functioning Rules 4 ANNEXES 4 1 Anticipation ELIA GRID WEEK AHEAD LOAD FORECASTS Elia publishes week ahead Total load forecasts on its website This information can be consulted on the following webpage The total load incorporates all electrical loads on the Elia grid and in underlying distribution networks and also includes elec trical losses It is estimated based on a combination of meas urements and upscaled values of injections of power plants including generation in the distribution networks to which imports are added Subsequently exports and power used for energy storage are deducted leading to an estimation of the actual total load in the Elia grid and all underlying networks Please note that the Elia grid comprises networks of at least 30 kV in Belgium plus the Sotel Twinerg grid in the south of Luxembourg ELIA STRATEGIC RESERVE USER GUIDE 10 The published Elia grid load forecast is purely informational as large deviations can occur on days with varying output levels of decentralized generation Hereunder a screenshot is shown of the weekly forecast of a given day You can navigate on the forecasted week by select ing the begin and end dates on top of the graph Total Load weekly view Begin date 14090 12006 10006 8000 29 Oct 30 Oct we Measured amp Upscaled Most recent forecast 31_ Oct
17. m up period must be stopped e The ramp up period starts when the selected SDR SGR units have finished the warm up preparations When the ramp up period starts it means that the need is confirmed and that the SGR units can continue the ramp up towards their Pmin injection level and the SDR units can continue the ramp down towards their shed ding limit From this moment on the injection curtailment is confirmed For more information about the ramp up period please consult 6 4 3 of the Functioning Rules The status activation will be in verification status when at least one SGR or SDR unit is in the ramp up period The following message will appear in the RSS feed to announce the Verification gate The Verification gate i e start of the ramp up period has been reached for the strategic reserve Elia operates This means that the injection curtailment of the activated volumes of the strategic reserve is now confirmed The selected SGR and SDR suppliers will follow their activation program from DD MM YYYY hh mm ss until DD MM YYYY hh mm ss During the Delivery period the expected volumes of the activated strategic reserve will evolve between XXX MW and XXX MW Disclaimer Please be careful the Delivery period should start at the end of the ramp up period but it is still possible to stop the SR activation before the start of the Delivery period or to change the activated volume and the end time of the Delivery period
18. period 3 REALTIME MANAGEMENT Activation Warnings Elia provides two pages on its website in order to share as quickly as possible close to real time with the ARPs the activa tion status of the Strategic Reserve from the Economic and or Technical Triggers to the end of an eventual activation The RSS Feed Grid Data gt Strategic Reserve gt RSS Feed for strategic reserve webpage shows text messages describing the current situation of the SR mechanism Anybody can regis ter to this flow and receive warning mails each time a new feed is created on this webpage The SR Status Activation Grid Data gt Strategic Reserve gt SR Status Activation webpage shows visually what is explained in the RSS Feed for SR There is a first section with intraday information with the different statuses placed in a chronological order from left to right e Detection Notification Verification e Delivery e Stop The different activation steps take into account the necessary delays for the SGR and SDR suppliers to get ready for injection curtailment while still allowing Elia to keep some flexibility can cellation delay of the activation etc as long as possible before the delivery period Please read carefully the 6 2 2 and 6 3 2 of the Functioning Rules of SR for more detail ELIA STRATEGIC RESERVE USER GUIDE 6 e The period between a detection and the Notification gate is described in the section Getting ready because
19. re is an example of the content of the SR Status Activation page in case of an Economic and Technical Trigger detection The Economic Trigger see 6 4 1 of the Functioning Rules is activated when a risk of structural shortage has been detected on the Belpex DAM Day Ahead Market In other words if the total volume of electrical energy offer is not sufficient to cover the total volume of electrical energy demand expressed in terms of Limited Offtake Order at the Maximum Order Price on the market as explained in the Belpex Market Rules ELIA STRATEGIC RESERVE USER GUIDE 4 Detection Economic Technical Trigger MW fot roti begin and 03 00 23 00 20 00 00 00 04 00 08 00 12 00 26 00 20 Oc 00 24 00 Wednesday 15 October 2014 Thursday 16 Oct Day Ahead An Economic and Technical Tagger have been detected for the strategic reserves Ele operates As 3 Consequence an actwation of strategic reserves from 13 00 uoni 20 30 a expected During ths period the expected volumes of activeted strategic reserves will evolve between SO MW and 218 2 Mw Economic Trigger Oetechor from 10 00 until 20 00 Max profile SO MW Min profile 50 Mw Tectuvical Tagger Detection from 18 30 ont 20 35 Max profile 176 05 MW Min profile 37 67 Mw Total Econossta Technical Detection from 13 00 unt 20 30 Total Max profiles 218 2 MW Total Min profile 50 MW Disclamer Pease be areh the bmng and the activate
20. t coupling while SDR available volumes are known by Elia only after the Belpex day ahead market coupling closing and are thus not taken into account by Belpex for the volume at disposal of the SRM market segment ELIA STRATEGIC RESERVE USER GUIDE 3 e the Functioning Rules of strategic reserves further referred to as Functioning Rules including among oth ers the indicators that are taken into account to detect a shortage situation and the principles related to the acti vation by Elia of the strategic reserve e the Procedure for Constitution of strategic reserves explaining the modalities of the procedure for constitution of the strategic reserve Time Strategic Reserve Strategic Reserve Capacity Sold on Belpex MW SGR MW 00 00 01 00 700 MW 50 MW 01 00 02 00 600 MW 100 MW The SR Status Activation Grid Data gt Strategic Reserve gt SR Status Activation webpage shows visually what is explained in the RSS Feed for SR There is a first section with real time information with the different statuses placed in a chronological order from left to right e Detection e Notification e Verification e Delivery e Stop To avoid any confusion please note that for a given SR activa tion we often make reference to e the Detection gate noment when an Economic and or a Technical Trigger is detected e the Notification gate start of the warm up period e the Verification
21. tential activation of the strategic reserve e The Anticipation section gathers the data already available several days ahead Those data could help ARPs in their estimation of the probability that the strategic reserve could be activated in the upcoming days e The Getting ready section gathers the data available one day before an activation of the strategic reserve At this moment the Economic and or Technical Trigger can be activated or not giving a more accurate information about the probability of an SR activation the next day Especially during SR activations the ARPs have to prepare themselves to be as much as possible in a balanced position e The Real time Management section gathers all data that are crucial for ARPs during the event of an SR activation Basically the real time status of the SR activation as well as the cross border situation and the balancing situation The same structure is followed in the annex section for published information not directly related to the SR but that still might help ARPs to prepare themselves to SR activations 1 See www winterklaar be www pretpourlhiver be www readyforwinter be 1 ANTICIPATION Understanding the Strategic Reserve General information about the SR mechanism can be found on the Elia website under the page Strategic Reserves Imple mentation Task Force Information about the agenda of the Task Force for the winter 2015 2016 and the legal calendar for
22. utput levels of decentralized generation Hereunder is shown a screenshot of the day ahead forecast of a given day The chart shows an estimation of the total load for today in real time bold orange curve that can be compared with the measured amp upscaled total load for the specified refer ence date orange curve and with the forecasts for the speci fied forecast date up to six days ahead Reference date 14000 72000 10000 8000 6000 00 00 04 00 08 00 Measured amp Upscaled today Measured amp Upscaled reference date Most recent forecast Time Horizon 12 00 1 faz 20 00 00 0 ELIA GRID GENERATION SCHEDULE ELIA STRATEGIC RESERVE USER GUIDE 15 Elia publishes on its website information on the values of the generation schedules submitted one day in advance by ARPs The values are based on ARPs generation unit nominations by fuel type Hereunder you can see a picture showing how it is represented on the webpage It is also possible to download the quarter hourly data from a link situated at the end of the webpage 10000 3 7500 pai i 5000 X 2500 0 0 I 2 3 4 5 6 7 8 9 10 Liquid Fuel Wind other Nuclear 1 12 13 14 OS 16 17 1318 19 20 2 22 23 Hours water coal Natural Gas ELIA GRID DAY AHEAD RENEWABLE FORECASTS Elia publishes on its website the wind and solar power gener ation forecasts The
23. vated that is bigger than O MWS and there is no structural shortage then the downwards or upwards imbalance prices POS or NEG will be equal to the prices showed in the table bidding prices per volume level see hereunder Depending on the level of the NRV the imbalance price will be the value showed in the table for the corresponding column For example a NRV of 345 MW between 00 45 and 1 00 will mean an activation between 300 MW and 600 MW As a con sequence the imbalance price will be 105 389 MWh i e the one corresponding the maximum activation volume of the cate gory 800 MW to 600 MW Marginal prices MWh for activation of Quarter Max 600 MW 300 MW 100 MW 100 MW 300 MW 600 MW Max 00 00 gt 00 15 251 50 1 20 6 65 6 65 72 55 72 55 315 00 341 26 00 15 gt 00 30 251 50 1 20 6 65 6 65 72 55 72 55 160 50 341 26 00 30 gt 00 45 251 50 1 20 6 65 6 65 72 55 72 55 160 50 341 26 00 45 gt 01 00 251 50 1 20 6 65 6 65 72 55 72 55 341 26 01 00 gt 01 15 251 50 251 50 7 52 7 52 72 77 72 77 72 77 837 88 The same data is available under the form of a graph as shown hereunder MWh 200 Max 600MW 300MW Bidding prices per volume level Available marginal balancing energy prices sll A iy LOOMW 1OOMW 300MW 600MW Max 5 This can also be in situations like a test of SR activation or of a Warm up
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