ISO-NE (New England)

ISO/RTO: ISO-NE · States: MA, CT, RI, NH, VT, ME

Power Pressure Score: 30/100 (Low pressure), medium confidence.

Score breakdown

Subscore	Value	Confidence
Demand growth	0/100 (Low pressure)	medium
Capacity margin	29/100 (Low pressure)	high
Large-load pipeline	Data pending	unavailable
Generation additions/retirements	99/100 (Critical pressure)	medium
Transmission congestion	Data pending	unavailable
Weather-driven demand stress	4/100 (Low pressure)	medium

Latest metrics

• Peak demand: 23,677 MW
• Reserve margin: 18.3%

Data sources

• eia_v2_demand: ok (last updated 2026-08-17T21:56:49.211395+00:00)
• eia_v2_fuel_mix: ok (last updated 2026-08-17T21:56:56.567118+00:00)
• eia_860m: ok (last updated 2026-08-17T21:56:56.568057+00:00)
• noaa_nws: ok (last updated 2026-08-17T21:56:57.273638+00:00)
• nerc_ltra: ok (last updated 2026-08-17T21:56:57.273666+00:00)

Other regions

• ERCOT (Texas) — 58/100 (Moderate pressure)
• PJM (Mid-Atlantic / Midwest) — 35/100 (Low pressure)
• CAISO (California) — 19/100 (Low pressure)
• MISO (Midcontinent) — 60/100 (Elevated pressure)
• SPP (Southwest Power Pool) — 31/100 (Low pressure)
• NYISO (New York) — 21/100 (Low pressure)
• Southeast (non-ISO) — 71/100 (Elevated pressure)
• Mountain West (non-ISO) — 7/100 (Low pressure)
• Florida (non-ISO) — 64/100 (Elevated pressure)

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