While MISO says it’s ready for a warmer-than-normal summer, officials cautioned that operators will likely lean on demand response (DR) resources to manage loads during the season.

The continued closure of the Aliso Canyon natural gas storage facility remains an issue for the summer readiness of the Southern California grid.

MISO summer planning reserve margins will remain firmly above requirements even after it shaved nearly half a percentage point.

MISO expects a 19.2% planning reserve margin this summer, well above its 15.8% requirement, and a percentage point above its projection last year.