Vitreous LabsEnergy transparency

Buckinghamshire (EDFE-15)

40 MW, about 40 MWh (1 hour, from the capacity market de-rating class) in Mid Wales and The Midlands. Everything on this page is read from published data for the 364 days to 23 September 2026, or is labelled as an estimate.

This registration has been superseded. The battery here has sold as Gses 1 (GSET-07) since 2 April 2025; this code, sold by EDF ENERGY CUSTOMERS LIMITED, has not been paid in the auction results since they begin on 31 March 2025. The page stays for the record, and the unit is no longer counted in fleet totals or ranked in the league.

What it is

Registered power40 MW response and reserve auction registration
Storage duration1.0 hours capacity market de-rating class
Charging zoneMid Wales and The Midlands
Connection siteBuckinghamshire
PostcodeMK19 6EA
Balancing mechanism unitnone found under the codes we search

Who owns it and who trades it

Traded byEDF ENERGY CUSTOMERS LIMITEDruns several sitesauction results, unchecked
Owned bynot published anywhere we can read

Market registers name the party that sells into the market, which for a battery is usually an optimiser under contract rather than the owner. This unit is registered only in the response and reserve auctions, so the seller is the participant NESO's auction results name, and Elexon's register carries no entry to check it against. How we tell them apart

What it earned

Line364 days to 23 September 2026
Balancing mechanismnot published
Response and reserve auctions auction implied£0
Capacity marketno agreement we can attach
Three lines together£0

Balancing is offer revenue and does not net off the cost of the power. The response and reserve figure is the value implied by the published auction results, award quantity times clearing price times the length of the delivery window, and not a settled payment. Capacity market income is the cleared price raised for inflation where the auction set a base period, split by month on EMRS's weights. Method

Outside the balancing mechanism

No estimate for this registration. The battery sells under a newer code now, and anything estimated for it belongs on that page, so it is not counted twice. Method

The nearest comparables

The five nearest in size in England and Wales, and this battery among them, ranked by what each was paid for every kilowatt it holds over the 364 days to the same date. They run for about the same length of time. Same market, same rules, same weather.

BatteryMWHoursMeasured, per kW
Maldon361h£100.7/kW/yr
Hunningley Stairfoot BESS441h£36.4/kW/yr
AR0006-BLOX421h£17.7/kW/yr
Halesworth401h£11.6/kW/yr
Stairfoot401.5h£10.0/kW/yr
Buckinghamshire (EDFE-15)this battery401h£0.0/kW/yr

Why every line reads zero

This registration has never appeared with an award or an acceptance in any market we read. That is the whole public record.

See it on the map

Open the operating map here

Every figure on this page traces to a published file. If something here is wrong about your asset, the methods section says how to tell us.