Seven-Day Capacity Forecast

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Every day, ISO New England publishes this summary of factors affecting the power system for the next seven days, including weather, generating capacity, and peak demand. The forecast is used to identify capacity deficiencies several days in advance and triggers the commitment of generators with start times greater than 24 hours. For today's forecast, see the Morning Report

View the forecast below, or download a CSV file. Hover over items for an explanation.

Weather	Day 2 Sun 07/13	Day 3 Mon 07/14	Day 4 Tue 07/15	Day 5 Wed 07/16	Day 6 Thu 07/17	Day 7 Fri 07/18
High Temperature - Boston	76	80	87	88	88	83
Dew Point - Boston	65	69	66	69	71	70
High Temperature - Hartford	83	82	89	90	90	87
Dew Point - Hartford	67	72	66	69	72	70

Generating Capacity Position
Total Capacity Supply Obligation (CSO)	26,074	26,074	26,074	26,074	26,074	26,074
Anticipated Cold Weather Outages	0	0	0	0	0	0
Other Generation Outages	1,806	2,117	2,574	2,774	2,894	2,988
Anticipated De-List MW Offered	809	809	809	809	809	809
Total Generation Available	25,077	24,766	24,309	24,109	23,989	23,895
Import at Time of Peak	3,020	3,045	3,045	3,045	3,045	3,045
Total Available Generation and Imports	28,097	27,811	27,354	27,154	27,034	26,940
Projected Peak Load	17,600	19,500	22,100	22,600	22,850	21,250
Replacement Reserve Requirement	160	160	160	160	160	160
Required Reserve	2,105	2,304	2,304	2,304	2,304	2,304
Required Reserve including Replacement	2,265	2,464	2,464	2,464	2,464	2,464
Total Load plus Required Reserve	19,865	21,964	24,564	25,064	25,314	23,714
Projected Surplus or Deficiency	8,232	5,847	2,790	2,090	1,720	3,226
Available Demand Response Resources	238	238	238	238	238	238

Load Relief Actions Anticipated
Power Watch	N	N	N	N	N	N
Power Warning	N	N	N	N	N	N
Cold Weather Watch	N	N	-	-	-	-
Cold Weather Warning	N	N	-	-	-	-
Cold Weather Event	N	N	-	-	-	-

Report Generated 07/12/2025 09:32 EDT