Mazao Consulting / Energy Data Analytics
BESS Analytics
Data to Fri 25 Sep 2026

Battery participation across ancillary services and the Balancing Mechanism.

The page opens on market-wide totals. Search for a participant below to add them and see their own EAC and Balancing Mechanism activity in detail.

Tomorrow's EAC revenue — Sat 26 Sep 2026

Today · 25 Sep Tomorrow · 26 Sep
EAC auctions clear day-ahead, so tomorrow's results are often already in by midday — use the toggle above if this card looks like it jumped a day. Independent of the window below — a live, partial picture, not a final tally. Click a segment for its own figures, click elsewhere to reset.
No EAC auctions have cleared for tomorrow yet.
Participant
24 participant(s) tracked this window
Service
Response Quick Reserve Slow Reserve Balancing Reserve
Window
Last 7 days Last 30 days Last 90 days
Total BM revenue, market
£15,898,822 / 30d
offer revenue only · 164 battery BM unit(s)
Offer / bid revenue, market
£15,898,822 offer
£-24,393,667 bid, excluded above
Median £/MW/day, market
£42.66
offer revenue only · 138 of 164 units with known capacity
EAC cleared volume, market
7,433,496 MW
across 4 service type(s)
Participants active
24
cleared at least one EAC service

Market summary — Enduring Auction Capability

Total cleared volume by service type, across every battery participant. This is the default, aggregate view — it doesn't change size as more participants join the market.

MW02,000,0004,000,0006,000,0008,000,000ResponseResponse: 6,706,904.0 MW, 22 participant(s)6,706,904.0 MWQuick ReserveQuick Reserve: 716,807.0 MW, 15 participant(s)716,807.0 MWSlow ReserveSlow Reserve: 6,948.0 MW, 4 participant(s)6,948.0 MWBalancing ReserveBalancing Reserve: 2,837.0 MW, 5 participant(s)2,837.0 MW
Response Quick Reserve Slow Reserve Balancing Reserve

Balancing Mechanism activity

Real cashflow from Elexon's EBOCF dataset, joined to battery units identified via EAC. Cashflow only — accepted bid/offer volumes (MWh) need a separate ISPSTACK ingest, not built yet.

0–274,818 MW: 18 participant(s)180–274,818274,818–549,637 MW: 1 participant(s)1274,818–549,637549,637–824,456 MW: 3 participant(s)3549,637–824,456824,456–1,099,274 MW: 1 participant(s)1824,456–1,099,2741,099,274–1,374,092 MW: 0 participant(s)01,099,274–1,374,0921,374,092–1,648,911 MW: 0 participant(s)01,374,092–1,648,9111,648,911–1,923,730 MW: 0 participant(s)01,648,911–1,923,7301,923,730–2,198,548 MW: 1 participant(s)11,923,730–2,198,548

Distribution of total cleared EAC volume per participant this window.

Top units by £/MW/day

WTRSB-1WTRSB-1: £404.20/MW/day£404.20/MW/dayBUXTB-1BUXTB-1: £398.10/MW/day£398.10/MW/dayTHURB-1THURB-1: £370.34/MW/day£370.34/MW/dayWHTBB-1WHTBB-1: £322.10/MW/day£322.10/MW/dayNEWPB-1NEWPB-1: £284.95/MW/day£284.95/MW/daySUNDB-1SUNDB-1: £224.10/MW/day£224.10/MW/dayFERRB-1FERRB-1: £218.34/MW/day£218.34/MW/dayLARKB-1LARKB-1: £216.26/MW/day£216.26/MW/day

Ranked by offer revenue ÷ registered capacity ÷ days (bid revenue excluded — see Revenue method below) — only units with a known, nonzero capacity in Elexon's reference data are ranked this way.

Units with revenue but unknown capacity

Not ranked by £/MW/day — Elexon's reference data reports no usable registered capacity for these units.
BM unitLead partyOffer revenue, 30d
MELKB-1Habitat Energy Limited£97,199.60
AG-CBS05LCentrica Business Solutions UK£79,656.98
AG-HAB02FHabitat Energy Limited£48,372.52
AG-HAB02BHabitat Energy Limited£47,901.58
AG-HAB01BHabitat Energy Limited£33,261.77
LIONB-1—£99,051.05
AG-HAB01HHabitat Energy Limited£65,149.23
AG-HAB01AHabitat Energy Limited£107,393.59

Selected participants

Full EAC and Balancing Mechanism detail for whichever participants you've searched for above.

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