Electricity demand in the Northeast and parts of Eastern Canada this summer is projected to be roughly in line with 2020, with adequate capacity margins and sufficient transmission capability to meet needs, according to a regional power coordinator.

In its 2021 reliability assessment, the Northeast Power Coordinating Council Inc. (NPCC) said the summer peak for the combined region is forecast to be around 104,000 MW. The NPCC region includes New York, the six New England states, as well as Ontario, Québec, New Brunswick and Nova Scotia.

About 161,200 MW of installed supply capacity is expected to be in place to meet summer demand. Spare operable capacity over and above reserve requirements is “substantial,” according to NPCC. Its projections range from 9,800 MW to 25,000...