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 Thu 07/03	Day 3 Fri 07/04	Day 4 Sat 07/05	Day 5 Sun 07/06	Day 6 Mon 07/07	Day 7 Tue 07/08
High Temperature - Boston	87	81	82	90	93	82
Dew Point - Boston	59	50	52	61	64	69
High Temperature - Hartford	86	82	85	92	93	85
Dew Point - Hartford	61	51	53	61	66	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	1,920	1,870	2,470	2,670	2,865	2,969
Anticipated De-List MW Offered	1,260	1,260	1,260	1,260	1,260	1,260
Total Generation Available	25,414	25,464	24,864	24,664	24,469	24,365
Import at Time of Peak	3,220	3,220	3,020	3,020	3,220	3,220
Total Available Generation and Imports	28,634	28,684	27,884	27,684	27,689	27,585
Projected Peak Load	19,600	15,300	15,500	19,500	22,800	21,000
Replacement Reserve Requirement	160	160	160	160	160	160
Required Reserve	2,304	2,304	2,105	2,105	2,304	2,304
Required Reserve including Replacement	2,464	2,464	2,265	2,265	2,464	2,464
Total Load plus Required Reserve	22,064	17,764	17,765	21,765	25,264	23,464
Projected Surplus or Deficiency	6,570	10,920	10,119	5,919	2,425	4,121
Available Demand Response Resources	293	293	293	293	293	293

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 07/02/2025 09:36 EDT