• Go Further! Go Faster!

    ISO-NE’s new free mobile app offers many new features that will keep you better up to date on wholesale electricity prices, electricity demand, fuel mix, and grid conditions in New England.

  • What’s in store for summer?

    Adequate electricity supplies are expected; however, tight supply margins could develop if forecasted extreme peak demand occurs. Get the lowdown on what the ISO expects this summer on our Seasonal System Outlook webpage.

  • Staying a Step Ahead

    A new video looks inside ISO New England and the region’s changing power system. Watch today!

  • 2018 Regional Electricity Outlook (REO)

    ISO-NE’s annual REO looks at the trends and challenges affecting New England’s power system, as well as the innovative solutions the ISO is pursuing to ensure reliable electricity for the region’s homes and businesses—today and into the future.

  • Learn about our mission

    Operate the power grid. Run competitive wholesale electricity markets. Plan for future power system needs. ISO-NE helps keep New England’s homes, businesses, and services up and running 24/7, 365 days a year.


AS OF 07/19/2018 08:20 AM


Capacity (MW)


Forecasted Peak
Demand (MW)


Capacity (MW)


Yesterday's Peak
Demand (MW)

Real-Time Data

System Demand


Forecasted (MW)
Actual (MW)

Fuel Mix


Internal hub Price

$21.88 Energy
$0.00 Congestion
$-0.02 Line Loss

System Status

Normal normal

More Real-Time Data


Heat wave recap: Reliable operations through holiday heat & humidity

July 17, 2018

Despite the unusually hot, humid conditions during the June 29—July 5 heat wave, the timing of the holiday, coastal breezes, and abundant solar power kept electricity demand in check. With a peak of around 24,000 megawatts (MW), ISO New England’s system operators were able to rely on a high-performing fleet of resources to keep the grid running smoothly and reliably throughout the heat wave.

Keep Reading

Spring 2018 markets report reviews wholesale market outcomes during March, April, and May 2018

July 17, 2018

The Spring 2018 Quarterly Markets Report notes that the total wholesale cost of electricity during the three-month period was $1.87 billion, up 45% over the market value during the spring of 2017. The value of the energy market was $1.06 billion, a 10% increase over spring 2017 costs, driven by higher natural gas prices. Forward Capacity Market prices were also up $479 million to total $767 million for the period.

Keep Reading

Registration is open for fall 2018 market training courses

July 12, 2018

ISO New England is pleased to announce that registration is open for fall 2018 market training classes, WEM 101, WEM 201, and FCM 101. All three courses will be held at The Hotel Northampton; each course requires attendance at all days for completion.

Keep Reading


NEPOOL Markets Committee Meeting

July 19, 2018
8:30AM - 2:00PM

NEPOOL Participants Committee Teleconference

July 24, 2018
9:00AM - 10:00AM

NEPOOL Transmission Committee

July 24, 2018
9:30AM - 4:00PM

Demand Resources Working Group

July 25, 2018
9:00AM - 12:00PM

Power Supply Planning Committee

July 26, 2018
9:30AM - 4:00PM

Visit the Full Calendar

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Copyright ©2018 ISO New England Inc.