Pillswood
One physical site, registered with the market as 2 separate balancing units, 100 MW together in South Lancashire, Yorkshire and Humber. 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 | 100 MW |
| Balancing units | 2 |
| Charging zone | South Lancashire, Yorkshire and Humber |
| Owned by | HARMONY (PW) LIMITED |
| Traded by | BP Gas Marketing Limited |
What the site earned, all units together
| Line | 364 days to 28 August 2026 |
|---|---|
| Balancing mechanism, paid to discharge | £6.3m |
| Balancing mechanism, paid out to charge | −£2.9m |
| Response and reserve auctions | £2.5m |
| Capacity market | £2.0m |
| Three measured lines together | £7.8m |
Income per kilowatt across the whole site: £107.96/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_PILLB-1 BP Gas Marketing Limited | 50 | £3.1m | −£1.5m | £1.2m | — |
| E_PILLB-2 BP Gas Marketing Limited | 50 | £3.2m | −£1.5m | £1.2m | £2.0m |
Grouped on evidence, not on a name: shared unit code stem PILLB, all 2 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