April 11, 2025

New England grid operator lowers power demand forecasts due to slower EV and heat pump adoption

The grid operator’s latest load forecast projects 3.4% lower peak winter demand this year than previously forecasted, with the difference increasing to 5.5% by 2030.

Lower Load: ISO New England Inc. trimmed its power demand outlook for the six-state grid, according to a final draft report issued March 28. This reduction stems from lower-than-expected EV and heat pump deployments, with the revisions most acute for the winter season. Forecast Revisions: ISO New England's revised forecast shows 2025 net energy demand 1.7% (2,023 GWh) lower than ...

Details:

Filing Date: March 28, 2025

Docket Numbers:

Short Summary:

ISO New England Inc. trimmed its power demand outlook for the six-state grid, according to a final draft report issued March 28. This reduction stems from lower-than-expected EV and heat pump deployments, with the revisions most pronounced for the winter season.

Impact Level:

Categories:

Energy Market Intelligence

Tags: Electric Vehicles, Heating Electrification, Load Forecasts, Peak Load

Entities: ISO New England Inc.

Markets: ISO New England (ISO-NE)

Regions: Northeast

States: Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, Vermont

Regulators:

Courts:

Documents:

Final Draft 2025 Energy and Seasonal Peak Forecasts – ISO New England