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Daily operational planning margin requirement (OPMR)
Summary
NESO publishes daily operational planning margin requirement (OPMR) data, which shows how much generation capacity above demand forecast is needed to meet reserve requirements. The data covers 2-13 days ahead operational planning.
Why it matters
This operational data helps market participants understand system security margins and generation adequacy requirements, supporting trading decisions and capacity planning in the short-term wholesale market.
Key facts
- •OPMR covers 2-13 days ahead forecasting period
- •Published daily by NESO
- •Represents generation exceeding demand forecast needed for reserves
Areas affected
generatorswholesale markettransmission
Related programmes
Capacity Market
Publisher description
OPMR is the amount of generation exceeding the demand forecast needed to meet our reserve requirement.<br> When assessing and publishing generation availability information against system requirements, the ESO includes an OPMR above demand forecast for 2-13 days ahead.<br/><br/>
Full extracted text
OPMR is the amount of generation exceeding the demand forecast needed to meet our reserve requirement.<br> When assessing and publishing generation availability information against system requirements, the ESO includes an OPMR above demand forecast for 2-13 days ahead.<br/><br/>