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​​​​​​Early Auction 2017 - Published Round Results


 

Capacity Market Rule 5.5.18 Requires the Auctioneer to Announce and Publish the following information prior to the start of each Bidding Round:

  • ​​The Bidding Round Price Spread.

  • ​​​The Potential Clearing Capacity at the Bidding Round Price Floor​ for that Bidding Round.

  • Except in relation to the first Bidding Round, the Excess Capacity as at​ the start of the Bidding Round..

 

​The Bidding Round Price Spread will be £5/kW for each Bidding Round, as described in the Auction Guidelines.  The "Potential Clearing Capacity" is identical to the demand curve at a given price. The Excess Capacity is the excess of supply over demand at a particular price. The Excess Capacity is rounded to the nearest 1 GW, where the Excess Capacity falls below 1 GW, "Below 1 GW" will be displayed. Once the (unrounded) Excess Capacity falls below zero, the Auction will clear, subject to Capacity Market Rule 5.9.

These values are displayed in the Table below and charted in Figure 1. They will be updated approximately10 minutes prior to the start of each Bidding Round. This coincides with the release of this information to Bidders.  

The graph below shows the Rounded Excess Capacity added to the Potential Clearing Capacity, that is, the Remaining Capacity, or Supply. The supply will only be shown at a Bidding Round Price Cap/Floor, with a linear interpolation within a round.  Two curves will be shown, giving upper and lower bounds for the supply, given the rounding to the published Excess Capacity figures.

By examining the Capacity Market Register, it can be verified that the Capacity entering the Auction is 59,286.062 MW De-Rated Capacity. This Capacity is the s​​upply at the Auction Price Cap in Figure 1 below.


The Early Auction 2017 has cleared in Round 14. There will be no further Bidding Rounds.


The Clearing ​​​​Price is £6.95 /kW/Yr.​​​


The total quantity of De-Rated Capacity is​ 54,433.634 MW.​


The provisional results report is available here.


The provisional results report Appendix A is now available in .xlsx format here​.


The Auction Results will remain Provisional until 15th February 2017 (Auction Results Day).


The Final results report is available here.


The Final results report Appendix A is now available in .xlsx format here​.




R15.png
Figure 1: Rounded Remaining Capacity

Round Number​​​

​Bidding Round Pric​​e Spread​

(£/kW/yr)

​Potential Clearing Capacity at the Bidding Round Price Floor​ (MW)

​Excess Capacity as at the start of the Bidding Round​ (MW)

Round 1​​75 - 70
52792.308
​-
​Round 270 - 65​52984.615​6000
Round 365 - 60​​53176.923​​6000
Round 460 - 55​53369.231​​5000
Round 555 - 50​​53561.538​​5000
Round 6​50 - 45​​53681.6335000​
Round 745 - 40​​53783.673​​4000
Round 8​40 - 35​53885.714​​4000
Round 9​35 - 30​53987.755​​4000
Round 10​30 - 25​54089.796​​4000
Round 1125 - 20​​54191.837​​3000
Round 1220 - 15​​54293.878​​3000
Round 1315 - 10​​54395.918​​2000
Round 14​10 - 5​54497.959​​1000

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