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Weekly operational planning margin requirement (OPMR)
Summary
NESO publishes weekly data on the Operational Planning Margin Requirement (OPMR), which shows how much generation capacity above demand forecast is needed to meet reserve requirements. This covers planning periods from 2-52 weeks ahead.
Why it matters
This data helps market participants understand system security requirements and generation adequacy planning, providing insights into when the system may be tight and additional capacity may be needed.
Key facts
- •OPMR published for 2-52 weeks ahead planning horizon
- •Published date: 2019-12-10
Areas affected
generatorswholesale marketcapacity 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 2-52 weeks 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 2-52 weeks ahead.<br><br>