Berkeley BESS
One physical site, registered with the market as 2 separate balancing units, 96 MW together in Cotswold. The market settles each unit on its own; this page adds them back up. Everything is read from published data for the 364 days to 28 August 2026.
The site
| Registered power, all units | 96 MW |
| Balancing units | 2 |
| Storage duration | 1.0 hours |
| Charging zone | Cotswold |
| Owned by | CARE POWER (BERKELEY) LIMITED |
What the site earned, all units together
| Line | 364 days to 28 August 2026 |
|---|---|
| Balancing mechanism, paid to discharge | £135k |
| Balancing mechanism, paid out to charge | −£192k |
| Response and reserve auctions | £538k |
| Capacity market | £291k |
| Three measured lines together | £772k |
Income per kilowatt across the whole site: £10.07/kW/yr on the three measured lines, before charging costs and before wholesale trading, which nobody publishes. Each unit's own page carries its estimate and its percentiles.
The units
| Unit | MW | Discharge | Charge | Standing ready | CM |
|---|---|---|---|---|---|
| E_BERKB-1 Arenko Cleantech Limited | 44 | £0 | — | £37k | — |
| E_BERKB-2 EDF Energy Customers Limited | 52 | £135k | −£192k | £502k | £291k |
Grouped on evidence, not on a name: shared unit code stem BERKB, all 2 units within 1.4 km. Portfolio families that share a code stem across distant sites, such as an aggregator's fleet, are never grouped. Methods