Battery index · GB grid batteries

What a MW of GB grid battery earns in a year, stream by stream: wholesale, Balancing Mechanism, imbalance, response, reserve and the Capacity Market.

Battery revenue index

30-day rolling · all batteries · total · £/MW per year

From—To—

Active batteries of 5 MW and over · priced from public settlement and auction data · Capacity Market included

Bars: each stream's 30-day rolling revenue, annualised; line: 30-day index; circles: month starts. Click a bar to focus the tables on that month.

Today so far

UK day · half-hourly · notified positions at the within-day market price, not the day-ahead index price

Daily index

Last 30 days · annualised

Revenue stack

Last 30 days · £/MW/yr

Stream	All batteriesAll	2-hour2H	1-hour1H

Batteries

Last 30 days · £/MW/yr over the whole period

#	Battery				Mix

Duration: ᵐ longest metered discharge, last 13 weeks · ᶜ Capacity Market register · — not yet known.

How this index is calculated, every assumption and what is left out: Methodology → Battery revenue index · data as JSON at /api/bess?days=30 and /api/bess/history?days=1095