ATLANTA – Projected resources are at or above the levels needed to satisfy summer peak demand under anticipated weather in most assessment areas, NERC's 2019 Summer Reliability Assessment finds. However, resource adequacy challenges in Texas, potential limits on natural gas supplies in Southern California and wildfire risk in Northern California increase the likelihood of grid emergency procedures this summer.
The assessment concludes that planning reserve margins — a key metric that helps evaluate the potential for resource deficiencies — in most areas of North America indicate that bulk power system owners and operators can manage their reliability risk effectively. The risks to seasonal reliability include higher-than-expected generation or transmission outages and higher-than-expected electricity demand, though many areas have enough resources to serve even these very extreme conditions.
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