Ancillary Services: Volumes & Prices

Every year Elia evaluates and determines the volume of primary, secondary and tertiary control power to be sourced which contributes to guaranteeing the safety, reliability and efficiency of the transmission grid in the control area. The evaluation methods and the results are presented to and approved by the CREG.

The table below shows the required volume for the ancillary services. The volumes are purchased via both long and short-term tenders as shown in the tables below. A summary of the prices of the selected offers can be found below.

The primary and secondary control volumes are purchased via a weekly procurement process, while the remaining tertiary control volume is purchased via a monthly purchasing cycle.
 

Required total volumes of ancillary services:

  Required total volumes for year 2019 [MW]
Primary Frequency Control (0s - 30s)
   R1 – symmetrical – 200mHz
80 MW1
Secondary Frequency Control (30s – 15min)
   R2 – symmetrical
145 MW

Tertiary Frequency Control (15min)
R3 Standard + Flex

844 MW*

* min 314 MW R3 Standard

 1. For the first auction of january a volume of 81MW will be procured.

Contracted long-term volumes & prices of ancillary services (year-ahead procurement) *:

Tendering & Contracting Period Delivery Period  Reserve Type Reserve Product  Total Contracted
Volume [MW]
Average Price [€/Mw/h] Tariff Period [PEAK/L-OFFPEAK/BASE] Symmetry Type  Generation/
Load type
 
December 2016
 
year 2017
 
ICH
 
ICH
155  
1,81
BASE
ASYM-UP

Load
45 LONG-OFFPEAK
 
December 2015
 
year 2016
R3 R3-prod 302,00 5,16 BASE  ASYM-UP Generation 
R3-DP 209,00 3,14 BASE  ASYM-UP Both
1 PEAK
 
December 2015
 
year 2016
 
ICH
 
ICH
178 1,58 BASE  ASYM-UP  Load
11
LONG-OFFPEAK
10 PEAK
December 2014  year 2015 R3  R3-prod 340,00 4,66 BASE ASYM-UP Generation
December 2014 year 2015 R3-DP 60,00 3,07 BASE ASYM-UP Both
December 2014 year 2015  ICH ICH 261,12 1,41  BASE ASYM-UP Load
June 2013 year 2014 R1 R1-200mHz 28,00 40 – 50 * BASE SYM Generation
June 2013 year 2014 R1-down 27,00 2 – 3 * BASE ASYM-DOWN Generation
June 2013 year 2014 R1-load 27,00 5 – 6 * BASE ASYM-UP Load
June 2013 year 2014 R2 R2-up 120,00 20 – 25 * BASE ASYM-UP Generation
June 2013 year 2014 R2-down 120,00 20 – 25 * BASE ASYM-DOWN Generation
June 2013 year 2014 R3 R3-prod 350,00 5 – 6 * BASE ASYM-UP Generation
October 2013 year 2014 R3-DP 50,00 3,38 BASE ASYM-UP Both
October 2013 year 2014 ICH ICH 261,66 1,41 BASE ASYM-UP Load
  • Average price: this is calculated as the weighted average for all selected bids for the respective reserve product & delivery period; taking into account the tariff period if needed.

(*) Some of the prices of the offered or even retained volumes could be outside of this indicative price range, but the average price of the overall selection is always included in this indicative price range.

As a general rule, minimally the required & approved volumes should be contracted at lowest total cost. For more detailed information on the selection rules of the different products, cfr. the balancing rules document which is accessible through.

 

Contracted short-term volumes & prices of ancillary services

Following volumes are purchased via short-term auctions:

  • R1 - 200 mHz reaction = 81 MW in BASE
  • R2 = R2-up-down = 139 MW in BASE
  • R3-Standard + R3-Flex = 830 MW in BASE

 

The short term purchases of the primary control volume are procured sequentially: The first auction is organized via the local procurement platform STAR while the second auction is organized via the regional procurement platform Regelleistung.net.

The short-term purchases of the secondary and tertiary control volume are exclusively organized via the local procurement platform STAR.

For more information about short-term purchases and the auction calendar, please refer to the page STAR (Short Term Auctioning or Reserves).

Primary and secondary reserve




Tendering Period Delivery Period Reserve Type Service Type Total Contracted Volume[MW] Average Price[€/Mw/h] Forecasted Average Price[€/Mw/h] Total Offered Volume[MW] Tariff Period[PEAK/ L-OFFPEAK/ BASE] Symmetry Type Country
W17 2019 W19 2019 R1 Downward 7,0 0,95 10,0 BASE ASYM Downward BE
W17 2019 W19 2019 R1 Upward 7,0 1,40 11,0 BASE ASYM Upward BE
W17 2019 W19 2019 R1 Symmetric200 10,0 16,59 58,0 BASE SYM BE
W18 2019 W19 2019 R1 Symmetric200 56,0 7,70 7,78 56,0 BASE SYM FCR Common Auction
W17 2019 W19 2019 R1 Symmetric100 7,0 33,09 28,0 BASE SYM BE
W17 2019 W19 2019 R2 Upward 145,0 13,86 180,0 BASE ASYM Upward BE
W17 2019 W19 2019 R2 Downward 145,0 13,86 180,0 BASE ASYM Downward BE
W18 2019 W20 2019 R1 Symmetric200 30,0 11,34 42,0 BASE SYM BE
W18 2019 W20 2019 R1 Downward 0,0 4,0 ASYM Downward
W18 2019 W20 2019 R1 Upward 0,0 11,0 ASYM Upward
W19 2019 W20 2019 R1 Symmetric200 50,0 7,72 7,70 56,0 BASE SYM FCR Common Auction
W18 2019 W20 2019 R1 Symmetric100 0,0 12,0 SYM
W18 2019 W20 2019 R2 Upward 145,0 16,14 180,0 BASE ASYM Upward BE
W18 2019 W20 2019 R2 Downward 145,0 16,14 180,0 BASE ASYM Downward BE
W19 2019 W21 2019 R1 Symmetric200 30,0 11,34 42,0 BASE SYM BE
W19 2019 W21 2019 R1 Downward 1,0 0,99 10,0 BASE ASYM Downward BE
W20 2019 W21 2019 R1 Symmetric200 48,0 7,68 7,72 56,0 BASE SYM FCR Common Auction
W19 2019 W21 2019 R1 Symmetric100 1,0 8,89 12,0 BASE SYM BE
W19 2019 W21 2019 R1 Upward 4,0 1,28 11,0 BASE ASYM Upward BE
W19 2019 W21 2019 R2 Upward 115,0 15,06 115,0 BASE ASYM Upward BE
W19 2019 W21 2019 R2 Downward 115,0 15,06 115,0 BASE ASYM Downward BE
W19 2019 W21 2019 Gate 2 R2 Upward 30,0 68,93 50,0 BASE ASYM Upward BE
W19 2019 W21 2019 Gate 2 R2 Downward 30,0 68,93 50,0 BASE ASYM Downward BE
W20 2019 W22 2019 R1 Symmetric200 30,0 11,25 58,0 BASE SYM BE
W20 2019 W22 2019 R1 Upward 4,0 1,28 11,0 BASE ASYM Upward BE
W21 2019 W22 2019 R1 Symmetric200 48,0 7,68 56,0 BASE SYM FCR Common Auction
W20 2019 W22 2019 R1 Downward 1,0 0,95 10,0 BASE ASYM Downward BE
W20 2019 W22 2019 R1 Symmetric100 1,0 8,89 28,0 BASE SYM BE
W20 2019 W22 2019 R2 Upward 145,0 12,23 315,0 BASE ASYM Upward BE
W20 2019 W22 2019 R2 Downward 145,0 12,23 315,0 BASE ASYM Downward BE
  • Average price: This is the weighted average price for all selected bids taking into account the tariff period for the respective reserve product and delivery period;
  • The column ‘Total offered volume’ shows the sum of the total offered volume for the tariff period ‘BASE’ and for all countries offering the service type and it not related to the columns ‘Tariff period’ and ‘Country’. The columns ‘Tariff period’ and ‘Country’ indicate the corresponding information of the retained offers.
  • In order to define the contracted volume via the regional procurement platform, an estimated average price is used to calculate the optimal selection. This estimated average price is the latest available average price of the regional auction platform at gate closure time of the local platform STAR.

Tertiary reserve

Tendering Period Delivery Period Reserve Type Reserve Product Total Contracted Volume[MW] Average Price[€/Mw/h] Total Offered Volume[MW] Tariff Period[PEAK/ L-OFFPEAK/ BASE] Symmetry Type
December 2018 January 2019 R3 Standard 490,0 31,41 490,0 BASE ASYM-UP
December 2018 January 2019 R3 Flex 354,0 13,72 356,0 BASE ASYM-UP
December 2018 January 2019 R3 R3 Total 844,0 23,99 846,0 BASE ASYM-UP
January 2019 February 2019 R3 Standard 405,0 23,07 533,0 BASE ASYM-UP
January 2019 February 2019 R3 Flex 439,0 9,49 456,0 BASE ASYM-UP
January 2019 February 2019 R3 R3 Total 844,0 16,00 989,0 BASE ASYM-UP
February 2019 March 2019 R3 Standard 460,0 9,18 603,0 BASE ASYM-UP
February 2019 March 2019 R3 Flex 384,0 5,12 389,0 BASE ASYM-UP
February 2019 March 2019 R3 R3 Total 844,0 7,33 974,0 BASE ASYM-UP
March 2019 April 2019 R3 Flex 376,0 3,68 496,0 BASE ASYM-UP
March 2019 April 2019 R3 Standard 468,0 4,23 692,0 BASE ASYM-UP
March 2019 April 2019 R3 R3 Total 844,0 3,98 1170,0 BASE ASYM-UP
April 2019 May 2019 R3 Standard 442,0 3,81 532,0 BASE ASYM-UP
April 2019 May 2019 R3 Flex 402,0 3,15 412,0 BASE ASYM-UP
April 2019 May 2019 R3 R3 Total 844,0 3,50 930,0 BASE ASYM-UP
May 2019 June 2019 R3 Flex 442,0 2,79 451,0 BASE ASYM-UP
May 2019 June 2019 R3 Standard 402,0 3,49 557,0 BASE ASYM-UP
May 2019 June 2019 R3 R3 Total 844,0 3,12 994,0 BASE ASYM-UP
  • Average price: This is the weighted average price for all selected bids taking into account the tariff period for the respective reserve product and delivery period;
  • The column ‘Total offered volume’ shows the sum of the total offered volume for the tariff period ‘BASE’ and is not related to the columns ‘Tariff period’. The column ‘Tariff period’ indicates the corresponding information of the retained offers.
  • In order to define the contracted volume via the regional procurement platform, an estimated average price is used to calculate the optimal selection. This estimated average price is the latest available average price of the regional auction platform at gate closure time of the local platform STAR.