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December 5, 2025

resource adequacy (RA)

DXR, CC BY-SA 4.0, via Wikimedia Commons
NPCC Warns of Weather Impacts on Summer Margins

NPCC's Summer Reliability Assessment found that the region generally has enough resources to meet demand this summer, though weather patterns could strain grid operators.

© RTO Insider
SPP Board OKs 1-time Study for LREs’ Gen Needs
SPP’s Board of Directors approved a tariff change that creates a one-time study outside the grid operator’s normal planning process over the concerns on independent power producers.
CalCAA
CalCCA Study Touts Benefits of RA Trading at Hourly Level

The cost of electricity in California could be reduced if energy providers were allowed to trade power by the hour, a new study by the California Community Choice Association says.

ERCOT
ERCOT: 60 GW in Additional Demand by 2031
ERCOT has unveiled a long-term load forecast for 2031 that adjusts projections provided by transmission providers and accounts for the uncertain nature of data centers and other large users.
SPP
SPP Study: $88B to $263B in Generation Needed by 2050
A study of SPP’s future energy and resource needs has found the grid operator will have to rely on thermal generation to maintain grid reliability into midcentury, but it will come at a cost.
SPP
SPP Board/Regional State Committee Briefs: Feb. 3-4, 2025
SPP’s Board of Directors has approved a one-time process to quickly add generation so load-responsible entities can meet their resource adequacy needs under the grid operator’s planning reserve margin requirements.
J. Ranck Electric
MISO Members to Explore Ways to Rev Up Stalled Generation Builds
MISO members teed up a discussion on the approximately 57 GW of approved but unfinished generation in the footprint that will be a focal point of MISO’s quarterly Board Week in March.
SERC
SERC Assessment Warns of Winter Vulnerabilities
In its Winter Reliability Assessment, SERC Reliability said several of its subregions have high or elevated risk of energy shortfalls during extreme conditions.
ERCOT
ERCOT Faces Uphill Battle to Meet Large Loads
The Texas grid operator raised eyebrows in April when it said its load-growth forecasts had ballooned by 40 GW over the previous year. It said it anticipates about 152 GW of new load by 2030.
CAISO
CAISO Kicks off ‘Workshop’ to Update RA Mechanisms
CAISO's Resource Adequacy Modeling and Design "workshop" is designed to reevaluate and refine several mechanisms the ISO uses to ensure resource adequacy.

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