Thurrock Flexible
One physical site, registered with the market as 3 balancing units, 300 MW in Essex and Kent. 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 16 October 2026.
The site
| Registered power, live units | 300 MW |
| Balancing units | 3 |
| Charging zone | Essex and Kent |
| Owned by | THURROCK FLEXIBLE GENERATION LIMITED |
| Ultimately | Statera Energy confirmed |
| Traded by | THURROCK STORAGE LIMITED |
What the site earned, all units together
| Line | 364 days to 16 October 2026 |
|---|---|
| Balancing mechanism, paid to discharge | £18.7m |
| Balancing mechanism, paid out to charge | −£7.0m |
| Response and reserve auctions | £2.4m |
| Capacity market | £1.7m |
| Three measured lines together | £15.7m |
Income per kilowatt across the whole site: £75.95/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 |
|---|---|---|---|---|---|
| T_THURB-1 THURROCK STORAGE LIMITED | 100 | £8.3m | −£3.0m | £667k | £1.7m |
| T_THURB-2 THURROCK STORAGE LIMITED | 100 | £3.9m | −£1.9m | £1.1m | — |
| T_THURB-3 THURROCK STORAGE LIMITED | 100 | £6.4m | −£2.2m | £601k | — |
What it is built from
| Entered operation | 2025-08 (online the week of 18 August 2025) |
| Connection voltage | 275 kV documented: Statera states a 275 kV connection, matching the register site name |
From published documents, not from any register: supplier and contractor project pages, owner announcements and the trade press. Confidence: confirmed (commercial); OEM unknown. Checked 2026-08-31. source 1 · source 2. Fields not shown are not published anywhere we have found, and we do not guess them.
Grouped on evidence, not on a name: shared unit code stem THURB, all 3 units within 0.1 km. Portfolio families that share a code stem across distant sites, such as an aggregator's fleet, are never grouped. Methods