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 Fri 10/31	Day 3 Sat 11/01	Day 4 Sun 11/02	Day 5 Mon 11/03	Day 6 Tue 11/04	Day 7 Wed 11/05
High Temperature - Boston	59	55	52	58	57	53
Dew Point - Boston	48	34	31	39	36	30
High Temperature - Hartford	57	54	54	59	59	54
Dew Point - Hartford	56	32	30	37	32	27

Generating Capacity Position
Total Capacity Supply Obligation (CSO)	26,747	26,450	26,450	26,450	26,450	26,450
Anticipated Cold Weather Outages	0	0	0	0	0	0
Other Generation Outages	8,766	9,395	9,976	9,810	10,240	10,013
Anticipated De-List MW Offered	1,115	1,115	1,115	1,115	1,115	1,115
Total Generation Available	19,096	18,170	17,589	17,755	17,325	17,552
Import at Time of Peak	2,700	2,580	2,780	2,980	2,980	2,980
Total Available Generation and Imports	21,796	20,750	20,369	20,735	20,305	20,532
Projected Peak Load	14,050	13,190	13,990	14,500	14,490	14,680
Replacement Reserve Requirement	160	160	180	180	180	180
Required Reserve	2,305	2,305	2,305	2,305	2,305	2,305
Required Reserve including Replacement	2,465	2,465	2,485	2,485	2,485	2,485
Total Load plus Required Reserve	16,515	15,655	16,475	16,985	16,975	17,165
Projected Surplus or Deficiency	5,281	5,095	3,894	3,750	3,330	3,367
Available Demand Response Resources	288	288	288	288	288	288

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 10/30/2025 09:10 EDT