Most RTOs say they are ready for winter but the possibility of fuel shortages during an extended cold spell is keeping ISO-NE officials up at night.

ERCOT said that it expects to have enough installed generating capacity available to meet fall and winter peak demand.

The Markets and Reliability Committee approved PJM’s proposed revisions to adjust the methodology for developing the capacity model for winter peak weeks.

A summary of the issues scheduled to be brought to a vote at the PJM Markets and Reliability and Members committees on June 21, 2018.

Louisiana regulators are questioning why MISO issued instructions for conservative operations in its South region during an extreme cold snap.

Another wave of arctic cold in the South has ERCOT and SPP revising their winter peak records.

While the high load and generation outages followed the pattern of the polar vortex, MISO managed to keep prices stable and maintain better reliability.

Grid operators turned to coal- and oil-fired generation as Arctic air sent temperatures plunging to record lows from the Great Plains to the Deep South.

New York’s electric system has the capacity to meet peak demand for electricity during extreme cold weather conditions through the 2017-2018 winter season.

ISO-NE forecasts sufficient resources to meet demand for electricity and will implement special operating procedures to maintain winter reliability.