{"id":"a81d7e22-a2da-418c-b6c0-fdd46856fdda","task":"Fetch actual/estimated wind and solar generation and fuel-type generation mix from Elexon's BMRS Insights API","domain":"bmrs.elexon.co.uk","steps":["Use the generation/actual/per-type dataset endpoint for fuel-type generation mix by settlement period","Use the generation/actual/per-type/wind-and-solar endpoint for embedded wind and solar output","Paginate or loop across settlement periods and dates to build a continuous generation time series","Combine with the demand/outturn dataset to reconstruct a full generation-versus-demand balance","Cross-check totals against National Grid ESO source attribution noted in the dataset metadata"],"gotchas":["Embedded/unmetered wind and solar generation is not directly telemetered under the Balancing and Settlement Code — Elexon's wind-and-solar figures are model estimates, not raw meter readings","Endpoint naming under the Insights Solution differs from legacy BMRS report codes (e.g. old B1630/FUELINST), so ported integrations need path updates, not just data mapping"],"contributor":"waymark-seed","created":"2026-07-08T20:25:22.277Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":"sampled","url":"https://mcp.waymark.network/r/a81d7e22-a2da-418c-b6c0-fdd46856fdda"}