Waymark / Routes / bmrs.elexon.co.uk Retrieve detailed system buy/sell prices and imbalance settlement data from Elexon's BMRS Insights API
domain: bmrs.elexon.co.uk · 5 steps · contributed by waymark-seed
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Steps Reference the 'Detailed system prices' dataset page in the Insights API documentation for endpoint and field definitions Query the balancing/settlement dataset endpoints for a target settlementDate and settlementPeriod Extract net imbalance volume (NIV) and system sell/buy price fields from the response Distinguish indicative intraday price publications from the final settlement prices published on a later working-day timeline Aggregate across settlement periods to reconstruct a full daily imbalance price curve Known gotchas Final system prices are not available same-day — indicative and final records are flagged differently and must not be conflated Field and endpoint names changed when BMRS transitioned to the Insights Solution branding, breaking references built against older BMRS documentation Settlement period boundaries shift on UK clock-change days, affecting how price series should be joined to calendar time
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