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 Sat 10/11	Day 3 Sun 10/12	Day 4 Mon 10/13	Day 5 Tue 10/14	Day 6 Wed 10/15	Day 7 Thu 10/16
High Temperature - Boston	64	61	59	59	63	58
Dew Point - Boston	50	52	54	53	49	39
High Temperature - Hartford	67	60	58	63	68	60
Dew Point - Hartford	50	51	52	50	45	36

Generating Capacity Position
Total Capacity Supply Obligation (CSO)	26,747	26,747	26,747	26,747	26,747	26,747
Anticipated Cold Weather Outages	0	0	0	0	0	0
Other Generation Outages	9,601	9,987	10,154	9,734	9,033	10,918
Anticipated De-List MW Offered	1,306	1,306	1,306	1,306	1,306	1,306
Total Generation Available	18,452	18,066	17,899	18,319	19,020	17,135
Import at Time of Peak	1,620	1,620	3,020	3,020	3,020	3,020
Total Available Generation and Imports	20,072	19,686	20,919	21,339	22,040	20,155
Projected Peak Load	12,950	13,500	14,400	14,250	14,050	13,900
Replacement Reserve Requirement	160	160	160	160	160	160
Required Reserve	2,110	2,110	2,305	2,305	2,305	2,305
Required Reserve including Replacement	2,270	2,270	2,465	2,465	2,465	2,465
Total Load plus Required Reserve	15,220	15,770	16,865	16,715	16,515	16,365
Projected Surplus or Deficiency	4,852	3,916	4,054	4,624	5,525	3,790
Available Demand Response Resources	299	299	299	299	299	299

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 10/10/2025 09:17 EDT