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 05/25	Day 3 Mon 05/26	Day 4 Tue 05/27	Day 5 Wed 05/28	Day 6 Thu 05/29	Day 7 Fri 05/30
High Temperature - Boston	61	63	73	73	69	72
Dew Point - Boston	43	45	47	51	54	57
High Temperature - Hartford	65	70	76	74	70	74
Dew Point - Hartford	43	46	46	49	55	56

Generating Capacity Position
Total Capacity Supply Obligation (CSO)	27,807	27,807	27,807	27,807	27,807	27,807
Anticipated Cold Weather Outages	0	0	0	0	0	0
Other Generation Outages	5,341	5,105	5,812	5,463	5,319	5,464
Anticipated De-List MW Offered	1,270	1,270	1,270	1,270	1,270	1,270
Total Generation Available	23,736	23,972	23,265	23,614	23,758	23,613
Import at Time of Peak	2,620	2,520	2,520	2,295	2,295	2,395
Total Available Generation and Imports	26,356	26,492	25,785	25,909	26,053	26,008
Projected Peak Load	12,250	12,800	13,600	14,000	14,000	13,850
Replacement Reserve Requirement	160	160	160	160	160	160
Required Reserve	2,119	2,119	2,119	2,119	2,119	2,119
Required Reserve including Replacement	2,279	2,279	2,279	2,279	2,279	2,279
Total Load plus Required Reserve	14,529	15,079	15,879	16,279	16,279	16,129
Projected Surplus or Deficiency	11,827	11,413	9,906	9,630	9,774	9,879
Available Demand Response Resources	227	227	227	227	227	227

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 05/24/2025 09:12 EDT