• 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 05/21/2018 08:16 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

$16.14 Energy
$0.47 Congestion
$0.03 Line Loss

System Status

Normal normal

More Real-Time Data


A regional first: New Englanders used less grid electricity midday than while they were sleeping on April 21

May 3, 2018

On Saturday, April 21, 2018, the right combination of sunshine and mild weather led to light consumer demand on the high-voltage electric power system, coupled with record-high output from the more than 130,000 solar power installations in the region. The result was that midday grid demand dipped below overnight demand for the first time ever in New England. Solar power also pushed past 2,300 MW for first time.

Keep Reading

ISO New England successfully completes FERC audit; no incidents of noncompliance

May 3, 2018

On April 18, 2018, ISO New England received a successful audit report from the Federal Energy Regulatory Commission (FERC) Division of Audits and Accounting (DAA). The audit evaluated the ISO’s compliance during the period of July 10, 2013, through June 30, 2017, with the ISO Open Access Transmission Tariff; FERC Order No. 1000, which established new electric transmission planning and cost allocation requirements; and FERC’s accounting, reporting, and record-retention requirements.

Keep Reading

Now online: ISO New England’s annual financial report

May 1, 2018

ISO-NE’s 2017 Financial Report includes the company’s audited financial statements preceded by a discussion and analysis of last year’s operations and impacts on our financial position. You can find it at iso-ne.com under About Us > Corporate Governance> Financial and Performance Reports.

Keep Reading


Webinar: PRD -- Real-Time Operational Expectations

May 22, 2018
10:00AM - 12:00PM

Demand Resources Working Group

May 23, 2018
9:00AM - 12:00PM

NEPOOL Transmission Committee

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

Power Supply Planning Committee

May 29, 2018
9:30AM - 4:00PM

Reliability Committee - Operational Fuel-Security Analysis (CANCELLED)

May 30, 2018
9:30AM - 4:30PM

Visit the Full Calendar

place-holder image

Copyright ©2018 ISO New England Inc.