GB BESS per-asset lookup — where does this unit sit?

What this is: measured settlement facts for every behaviour-gated GB grid battery in the CE GB BESS Index window — per-MW revenue, stream split, strategy class and within-class percentile, from the same open Elexon & NESO records the published quarterly index aggregates. What it is not: not a forecast and not an appraisal — to model a site forward, open the New Site appraisal in the app.

Window (settled quarterly basis)

…

Gated units published

…

Gated capacity

…

Excluded by the gate

…

Loading the published basis…

In plain terms: this lookup keeps the index's earlier per-unit conventions — duration classes from the Capacity Market register, and a wholesale floor not netted of balancing volumes — so its rows do not add up to the re-based quarterly report, which is the record. The raw dataset also lists, by unit, one correction and one known gap: the frequency-response auction revenue of units admitted under the widened membership — counted as zero in the 2026-10-09 record, counted in the published index since the 2026-10 methods release (protocol §40), listed so the change is visible — and any admitted unit with no capacity on file (it has no per-MW figure).

response reserve balancing mechanism wholesale floorᶠ − = a stream is negative this window (shown in the detail) click a row for the full facts · click a column to sort

Loading the per-asset dataset…

Excluded by the behavioural gate — the units NOT published above, with the measured reason

Unit	Membership	MW	Measured ratio	Reason

Conventions — how every number on this page is computed

Benchmark your own site against the measured index. This page is the measured record — settlement facts for the fleet that already ran. CECadence models a named site forward on the same measured foundations: equilibrium prices with fleet feedback, per-stream revenue, the financing view. Open the app — New Site appraisal ↗ · plans & pricing ↗ · full methodology + limitations in the quarterly index report ↗.