ISO New England

Coal	9
Hydro	530
Natural Gas	8055
Nuclear	3366
Other	148
Renewables	25
Renewables	350
Renewables	366
Renewables	354

Coal	Coal	9
Hydro	Hydro	530
Natural Gas	Natural Gas	8055
Nuclear	Nuclear	3366
Other	Other	148
Landfill Gas	Renewables	25
Refuse	Renewables	350
Wind	Renewables	366
Wood	Renewables	354

238.712
1,073.499
-553.54
1.658
-2.843
140.521
0.034

2025-12-23T00:00:00.000-05:00	13755.36
2025-12-23T00:05:00.000-05:00	13667.652
2025-12-23T00:10:00.000-05:00	13611.139
2025-12-23T00:15:00.000-05:00	13562.918
2025-12-23T00:20:00.000-05:00	13489.936
2025-12-23T00:25:00.000-05:00	13478.98
2025-12-23T00:30:00.000-05:00	13393.383
2025-12-23T00:35:00.000-05:00	13345.8
2025-12-23T00:40:00.000-05:00	13300.002
2025-12-23T00:45:00.000-05:00	13246.101
2025-12-23T00:50:00.000-05:00	13187.606
2025-12-23T00:55:00.000-05:00	13122.312
2025-12-23T01:00:00.000-05:00	13108.912
2025-12-23T01:05:00.000-05:00	13072.072
2025-12-23T01:10:00.000-05:00	13090.82
2025-12-23T01:15:00.000-05:00	12990.964
2025-12-23T01:20:00.000-05:00	12951.821
2025-12-23T01:25:00.000-05:00	12914.759
2025-12-23T01:30:00.000-05:00	12871.309
2025-12-23T01:35:00.000-05:00	12845.836
2025-12-23T01:40:00.000-05:00	12823.861
2025-12-23T01:45:00.000-05:00	12791.804
2025-12-23T01:50:00.000-05:00	12773.195
2025-12-23T01:55:00.000-05:00	12756.759
2025-12-23T02:00:00.000-05:00	12722.514
2025-12-23T02:05:00.000-05:00	12710.137
2025-12-23T02:10:00.000-05:00	12705.636
2025-12-23T02:15:00.000-05:00	12688.23
2025-12-23T02:20:00.000-05:00	12662.661
2025-12-23T02:25:00.000-05:00	12646.511
2025-12-23T02:30:00.000-05:00	12625.333
2025-12-23T02:35:00.000-05:00	12611.048
2025-12-23T02:40:00.000-05:00	12589.181
2025-12-23T02:45:00.000-05:00	12583.02
2025-12-23T02:50:00.000-05:00	12572.987
2025-12-23T02:55:00.000-05:00	12548.154
2025-12-23T03:00:00.000-05:00	12570.016
2025-12-23T03:05:00.000-05:00	12575.544
2025-12-23T03:10:00.000-05:00	12577.106
2025-12-23T03:15:00.000-05:00	12565.434
2025-12-23T03:20:00.000-05:00	12557.011
2025-12-23T03:25:00.000-05:00	12565.489
2025-12-23T03:30:00.000-05:00	12572.895
2025-12-23T03:35:00.000-05:00	12557.71
2025-12-23T03:40:00.000-05:00	12572.866
2025-12-23T03:45:00.000-05:00	12594.84
2025-12-23T03:50:00.000-05:00	12588.139
2025-12-23T03:55:00.000-05:00	12615.644
2025-12-23T04:00:00.000-05:00	12667.283
2025-12-23T04:05:00.000-05:00	12718.342
2025-12-23T04:10:00.000-05:00	12764.869
2025-12-23T04:15:00.000-05:00	12778.335
2025-12-23T04:20:00.000-05:00	12795.413
2025-12-23T04:25:00.000-05:00	12828.826
2025-12-23T04:30:00.000-05:00	12871.979
2025-12-23T04:35:00.000-05:00	12928.104
2025-12-23T04:40:00.000-05:00	12953.659
2025-12-23T04:45:00.000-05:00	13000.704
2025-12-23T04:50:00.000-05:00	13039.31
2025-12-23T04:55:00.000-05:00	13093.153
2025-12-23T05:00:00.000-05:00	13200.579
2025-12-23T05:05:00.000-05:00	13312.454
2025-12-23T05:10:00.000-05:00	13373.639

2025-12-23T00:00:00.000-05:00	13130
2025-12-23T01:00:00.000-05:00	12720
2025-12-23T02:00:00.000-05:00	12520
2025-12-23T03:00:00.000-05:00	12440
2025-12-23T04:00:00.000-05:00	12710
2025-12-23T05:00:00.000-05:00	13560
2025-12-23T06:00:00.000-05:00	14880
2025-12-23T07:00:00.000-05:00	15850
2025-12-23T08:00:00.000-05:00	16160
2025-12-23T09:00:00.000-05:00	16170
2025-12-23T10:00:00.000-05:00	16210
2025-12-23T11:00:00.000-05:00	16250
2025-12-23T12:00:00.000-05:00	16280
2025-12-23T13:00:00.000-05:00	16330
2025-12-23T14:00:00.000-05:00	16350
2025-12-23T15:00:00.000-05:00	16520
2025-12-23T16:00:00.000-05:00	17220
2025-12-23T17:00:00.000-05:00	17600
2025-12-23T18:00:00.000-05:00	17240
2025-12-23T19:00:00.000-05:00	16890
2025-12-23T20:00:00.000-05:00	16280
2025-12-23T21:00:00.000-05:00	15430
2025-12-23T22:00:00.000-05:00	14250
2025-12-23T23:00:00.000-05:00	13210

Price Map

Real Time

Day Ahead

Real Time

Day Ahead

Resource Mix

Fuels

Renewables

System Demand

Forecasted (MW)

Actual (MW)

System Status

Normal

Today’s
Snapshot

AS OF 12/22/2025 12:00 PM

23,571

Available
Capacity (MW)

17,700

Forecasted Peak
Demand (MW)

3,567

Surplus
Capacity (MW)

16,760

Yesterday's Peak
Demand (MW)

More Real-Time Data Morning Report

Featured

2025 Regional System Plan PDF

New England’s Evolving Grid: The 2024 Economic Study Report PDF

2025 CELT Report XLS

2025 New England Power Grid Regional Profile

2025 New England Power Grid State Profiles

2050 Transmission Study: Offshore Wind Analysis PDF

2050 Transmission Study PDF

2023 Regional System Plan PDF

News Feed

ISO Minute: Solving problems with Advanced Technology Solutions

From Youtube

ISO Minute: Explore the energy supply forecast that’s key to winter grid operations

From Youtube

ISO-NE releases summary of proposals submitted under longer-term transmission planning effort

From ISO Newswire

Registration open for December meeting of Consumer Liaison Group

From ISO Newswire

New England expected to have sufficient electricity supplies this winter

From ISO Newswire

ISO Minute: The Regional System Plan

From Youtube

ISO Minute: Meet ISO New England’s Board of Directors

From Youtube

2025 Regional System Plan identifies future needs of New England grid

From ISO Newswire

ISO-NE begins interconnection Transitional Cluster Study

From ISO Newswire

ISO Minute: Overseeing the energy markets

From Youtube

ISO-NE Board of Directors open meeting will highlight Regional System Plan

From ISO Newswire

Region’s 100th ‘duck curve’ day migrates to early fall

From ISO Newswire

2024 Economic Study explores strategies to reduce emissions in New England’s evolving grid

From ISO Newswire

ISO Minute: Power System Modeling

From Youtube

ISO-NE proposes key metrics to help region better assess risk during extreme weather

From ISO Newswire

ISO Minute: Translating the technical

From Youtube

Registration open for September Consumer Liaison Group meeting

From ISO Newswire

ISO Minute: National Intern Day

From Youtube

Artificial intelligence helps predict transmission outages during storms

From ISO Newswire

Scheduling reliability, one generator at a time

From ISO Newswire

Solar power reduced New England power grid demand by 5% in 2024

From ISO Newswire

FERC accepts improvements to ISO-NE’s economic study process

From ISO Newswire

ISO New England CEO van Welie to retire; COO Chadalavada named successor

From ISO Newswire

Sunny spring days push grid demand to new lows

From ISO Newswire

ISO-NE executives discuss resource, energy adequacy at FERC conference

From ISO Newswire

ISO-NE expands accounting, forecasting of distributed energy resources

From ISO Newswire

New England grid prepared for summer demand

From ISO Newswire

ISO Minute: Long Term Transmission Planning

From Youtube

Enhanced long-term forecast predicts steady growth in energy use, peak demand

From ISO Newswire

ISO Minute: Coordinating springtime transmission outages

From Youtube

New England grid sees new record low for system demand

From ISO Newswire

Spring 2025 update on regional transmission investment now available; 6 projects under construction in New England

From ISO Newswire

Winter 2024/2025 recap: Region’s grid remains reliable, though cold weather drives up wholesale electricity prices

From ISO Newswire

ISO-NE issues request for proposals for transmission solutions

From ISO Newswire

Exploring the causes and effects of demand growth: ISO-NE staff share expertise at March events

From ISO Newswire

Capacity market reforms take shape as stakeholder discussions continue

From ISO Newswire

ISO Minute: Staying prepared for geomagnetic disturbances

From ISO Newswire

ISO-NE takes steps to prepare for potential duties on Canadian electricity

From ISO Newswire

FAQ: Demand response and the New England power grid

From ISO Newswire

New England states enlist ISO-NE support for longer-term transmission planning effort

From ISO Newswire

More News

Upcoming Events

Today’s Notices

Christmas Day	December 25, 2025 12:00AM - 11:59PM
NEPOOL Participants Committee Meeting	January 8, 2026 10:00AM - 2:30PM
NEPOOL Membership Subcommittee Meeting	January 12, 2026 10:00AM
NEPOOL Markets Committee Meeting	January 13, 2026 9:30AM - 4:30PM
NEPOOL Markets Committee Meeting	January 14, 2026 9:30AM - 4:30PM
Budget and Finance Subcommittee	January 16, 2026 10:00AM - 12:00PM
GE MARS Technical Session 3	January 20, 2026 10:00AM - 3:00PM
NEPOOL Transmission Committee Meeting	January 21, 2026 9:30AM - 4:30PM
NEPOOL Reliability Committee Meeting	January 22, 2026 9:30AM - 4:30PM
Planning Advisory Committee Meeting	January 27, 2026 9:00AM - 4:30PM

Visit the Full Calendar

Upcoming Events

Today’s Notices

ISO-NE Forecast Capacity Analysis Report Published on www.iso-ne.com

December 23, 2025
4:16AM

More Notices

Latest Published

More Latest Published

Reliable Electricity. Competitive Prices. Clean-Energy Transition.

Price Map

Real Time

Day Ahead

Real Time

Day Ahead

Resource Mix

Fuels

Renewables

System Demand

System Status

Today’sSnapshot

AS OF 12/22/2025 12:00 PM

23,571

AvailableCapacity (MW)

17,700

Forecasted PeakDemand (MW)

3,567

SurplusCapacity (MW)

16,760

Yesterday's PeakDemand (MW)

Featured

2025 Regional System Plan PDF

New England’s Evolving Grid: The 2024 Economic Study Report PDF

2025 CELT Report XLS

2025 New England Power Grid Regional Profile

2025 New England Power Grid State Profiles

2050 Transmission Study: Offshore Wind Analysis PDF

2050 Transmission Study PDF

2023 Regional System Plan PDF

News Feed

ISO Minute: Solving problems with Advanced Technology Solutions

ISO Minute: Explore the energy supply forecast that’s key to winter grid operations

ISO-NE releases summary of proposals submitted under longer-term transmission planning effort

Registration open for December meeting of Consumer Liaison Group

New England expected to have sufficient electricity supplies this winter

ISO Minute: The Regional System Plan

ISO Minute: Meet ISO New England’s Board of Directors

2025 Regional System Plan identifies future needs of New England grid

ISO-NE begins interconnection Transitional Cluster Study

ISO Minute: Overseeing the energy markets

ISO-NE Board of Directors open meeting will highlight Regional System Plan

Region’s 100th ‘duck curve’ day migrates to early fall

2024 Economic Study explores strategies to reduce emissions in New England’s evolving grid

ISO Minute: Power System Modeling

ISO-NE proposes key metrics to help region better assess risk during extreme weather

ISO Minute: Translating the technical

Registration open for September Consumer Liaison Group meeting

ISO Minute: National Intern Day

Artificial intelligence helps predict transmission outages during storms

Scheduling reliability, one generator at a time

Solar power reduced New England power grid demand by 5% in 2024

FERC accepts improvements to ISO-NE’s economic study process

ISO New England CEO van Welie to retire; COO Chadalavada named successor

Sunny spring days push grid demand to new lows

ISO-NE executives discuss resource, energy adequacy at FERC conference

ISO-NE expands accounting, forecasting of distributed energy resources

New England grid prepared for summer demand

ISO Minute: Long Term Transmission Planning

Enhanced long-term forecast predicts steady growth in energy use, peak demand

ISO Minute: Coordinating springtime transmission outages

New England grid sees new record low for system demand

Spring 2025 update on regional transmission investment now available; 6 projects under construction in New England

Winter 2024/2025 recap: Region’s grid remains reliable, though cold weather drives up wholesale electricity prices

ISO-NE issues request for proposals for transmission solutions

Exploring the causes and effects of demand growth: ISO-NE staff share expertise at March events

Capacity market reforms take shape as stakeholder discussions continue

ISO Minute: Staying prepared for geomagnetic disturbances

ISO-NE takes steps to prepare for potential duties on Canadian electricity

FAQ: Demand response and the New England power grid

New England states enlist ISO-NE support for longer-term transmission planning effort

Upcoming Events

Today’s Notices

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Today’s Notices

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Latest Published

Today’s
Snapshot

Available
Capacity (MW)

Forecasted Peak
Demand (MW)

Surplus
Capacity (MW)

Yesterday's Peak
Demand (MW)