GridHz

GB day-ahead auction 2864 — Wed, 7 Oct 2026

Great Britain only: NESO's Enduring Auction Capability (EAC), the day-ahead auction for Response (DC/DM/DR) and Reserve (Quick, Slow, Balancing), analysed after every clearing.

Why was my offer rejected?

Pick your provider and unit (or type the unit ID) to see every basket it bid, what it earned, and for each rejection the reason in plain English, including the price it would have needed.

Procurement cost
£692k
all products, delivery day
Participants
33
336 units bid
Units accepted
321
6,714 of 22,008 baskets
Orders rejected
88%
of 70,062 sell orders

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Response prices through the day

Clearing price for each Dynamic Containment, Moderation and Regulation product in each 4-hour block.

23:00–03:0003:00–07:0007:00–11:0011:00–15:0015:00–19:0019:00–23:00
DCL£2.24£3.05£8.42£2.98£8.63£5.89
DCH£1.13£2.54£0.96£6.75£3.15£2.13
DML£6.26£10.54£14.25£7.73£13.32£14.03
DMH−£1.28£1.09−£3.16£4.47£1.95−£0.60
DRL£21.14£8.50£17.27£24.34£22.39£23.98
DRH−£17.63−£13.40−£17.63−£9.32−£10.28−£14.87
−£24.34£24.34per MW per hour · UK time · hover a cell for detail

Reserve prices through the day

Clearing price for Quick, Balancing and Slow Reserve in each half-hour. Outlined cells are windows where NESO bought nothing.

23:0002:0005:0008:0011:0014:0017:0020:00
PQR
NQR
PBR
NBR
PSR
NSR
£0.00£24.74not procuredper MW per hour · UK time · hover a cell for detail

Clearing prices

ProductAvg MWAvg pricevs prev.RangeCost
1,495£5.20▼ £1.59£2.24 – £8.63£187k
Clearing price £9 top
23:0003:0007:0011:0015:0019:00
MW cleared vs offered (peak 4,163 MW)clearedoffered
23:0003:0007:0011:0015:0019:00
Window (UK)PriceCleared MWUnits won / bidPrice set byNext offerMW within £1
23:00–03:00£2.241,49468 / 115Multi-window offerAnalystAnalyst
03:00–07:00£3.051,49563 / 111Supply offerAnalystAnalyst
07:00–11:00£8.421,49470 / 102Supply offerAnalystAnalyst
11:00–15:00£2.981,49471 / 110Supply offerAnalystAnalyst
15:00–19:00£8.631,49673 / 110Supply offerAnalystAnalyst
19:00–23:00£5.891,49574 / 116Supply offerAnalystAnalyst

Next offer: the cheapest single-window offer rejected as too expensive. MW within £1: rejected capacity bid less than £1/MW/h above the price. Together they show how quickly the price would move if NESO needed more.

1,495£2.78▼ £1.17£0.96 – £6.75£100k
515£10.97▼ £2.05£6.26 – £14.25£136k
540£0.32▼ £1.75−£3.16 – £4.47£4,172
480£19.60▼ £0.46£8.50 – £24.34£226k
500−£13.86▼ £3.11−£17.63 – −£9.32−£166k
415£6.27▲ £0.98£0.00 – £24.74£62k
301£5.00▼ £0.07£0.00 – £19.07£36k
451£3.06▼ £7.15£0.01 – £12.48£33k
0£0.00±0£0.00 – £0.00£0
1,801£1.72▼ £7.66£0.16 – £3.76£75k
0£0.00±0£0.00 – £0.00£0

Prices in £/MW/h, volume-weighted across the day. Select a product to open its service windows.

Who won

Balancing Reserve

  • Statkraft Markets GmbH40%
  • RWE GENERATION UK PLC22%
  • Uniper UK Limited11%
  • VPI Power Limited6%
  • UK POWER RESERVE LIMITED5%

Gas Reciprocating Engines 47% · OCGT 38% · Other 5%

Quick Reserve

  • Statkraft Markets GmbH23%
  • LIMEJUMP ENERGY LIMITED20%
  • HABITAT ENERGY LIMITED14%
  • EDF ENERGY CUSTOMERS LIMITED13%
  • Flexitricity Limited12%

Batteries 65% · Other 26% · Diesel 6%

Response

  • EDF ENERGY CUSTOMERS LIMITED32%
  • Statkraft Markets GmbH14%
  • LIMEJUMP ENERGY LIMITED9%
  • HABITAT ENERGY LIMITED9%
  • TESLA MOTORS LIMITED8%

Batteries 99% · Other 1% · CCGT 1%

Slow Reserve

  • Uniper UK Limited16%
  • FORSA TRADING LIMITED15%
  • Flexitricity Limited9%
  • Statkraft Markets GmbH9%
  • EDF ENERGY CUSTOMERS LIMITED8%

Gas Reciprocating Engines 45% · OCGT 21% · CCGT 16%

League table: the last 7 auctions

Availability revenue by provider, delivery days Thu, 1 Oct 2026 to Wed, 7 Oct 2026. Negative-price windows count against revenue.

Balancing Reserve

£304k
  1. 1Statkraft Markets GmbH£107k35%
  2. 2RWE GENERATION UK PLC£58k19%
  3. 3UK POWER RESERVE LIMITED£29k9%
  4. 4VPI Power Limited£24k8%
  5. 5Uniper UK Limited£23k7%
  6. 6PEAK GEN TOP CO LIMITED£19k6%
  7. 7GRIDBEYOND LIMITED£12k4%
  8. 8TESLA MOTORS LIMITED£12k4%

Gas Reciprocating Engines 50% · OCGT 35% · Other 5% of accepted MWh

Quick Reserve

£573k
  1. 1Statkraft Markets GmbH£168k29%
  2. 2Flexitricity Limited£74k13%
  3. 3LIMEJUMP ENERGY LIMITED£71k12%
  4. 4PEAK GEN TOP CO LIMITED£70k12%
  5. 5TESLA MOTORS LIMITED£56k10%
  6. 6BP Gas Marketing Limited£47k8%
  7. 7HABITAT ENERGY LIMITED£28k5%
  8. 8EDF ENERGY CUSTOMERS LIMITED£24k4%

Batteries 71% · Other 21% · Diesel 6% of accepted MWh

Response

£3.22m
  1. 1HABITAT ENERGY LIMITED£1.05m33%
  2. 2EDF ENERGY CUSTOMERS LIMITED£1.03m32%
  3. 3LIMEJUMP ENERGY LIMITED£218k7%
  4. 4Danske Commodities A/S£160k5%
  5. 5Centrica Business Solutions UK Optimisation Limited£156k5%
  6. 6UK POWER RESERVE LIMITED£120k4%
  7. 7Flexitricity Limited£107k3%
  8. 8SCOTTISHPOWER RENEWABLES (UK) LIMITED£98k3%

Batteries 98% · Other 1% · Unknown 1% of accepted MWh

Slow Reserve

£953k
  1. 1Uniper UK Limited£186k20%
  2. 2FORSA TRADING LIMITED£138k14%
  3. 3Statkraft Markets GmbH£101k11%
  4. 4EDF ENERGY CUSTOMERS LIMITED£81k9%
  5. 5CONRAD ENERGY (TRADING) LIMITED£79k8%
  6. 6INDIAN QUEENS POWER LIMITED£71k7%
  7. 7UK POWER RESERVE LIMITED£55k6%
  8. 8SPALDING ENERGY EXPANSION LIMITED£54k6%

Gas Reciprocating Engines 46% · OCGT 22% · Multi Fuel type 16% of accepted MWh

Derived by GridHz from auction results published by NESO on its data portal. Price-setters and break-even prices are GridHz estimates at the published prices, holding every other bid fixed. Bidding lower can itself move the price, so treat "needed" prices as upper bounds.

Supported by National Energy SO Open Data, used under the NESO Open Data Licence.

Analysis generated 06/10/2026, 14:48:57 UK time.