• Another Year Brighter

    ISO New England would like to wish you a happy holiday season!

  • 2019/2020 Winter Outlook

    This at-a-glance handout summarizes ISO New England’s operational outlook for the season and provides quick facts and stats.

  • New! 2019 Regional System Plan (RSP)

    Developed once every three years, the RSP is a comprehensive planning report on the status of the New England power system and the resources needed to maintain reliability over a 10-year horizon.

  • New! Interconnection Process Guide

    ISO-NE has launched an online how-to guide for interconnecting small and large generators and elective transmission upgrades to the New England power system.

  • 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 12/15/2019 07:57 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

$40.22 Energy
$0.80 Congestion
$0.34 Line Loss

System Status

Normal normal

More Real-Time Data


A look behind the scenes as ISO-NE participates in nationwide grid preparedness exercise

December 10, 2019

Last month, more than 100 ISO New England employees joined industry and governmental participants from across New England to participate in GridEx V. The two-day exercise tested the region’s ability to respond to simulated cyber and physical attacks on New England’s power system and proved to be a valuable opportunity for ISO staff to practice and improve their response capabilities. Check out some behind-the-scenes photos.

Keep Reading

ISO-NE glossary updated on website

December 11, 2019

The glossary is available under the “Participate” then “Support” menus. Just for fun, we put together an ISO-focused crossword puzzle. Use the new glossary (and a little imagination) to find words, acronyms, abbreviations. Answers will be posted in the coming weeks.

Keep Reading

Mark your calendars!

December 11, 2019

ISO New England is pleased to announce its 2020 Wholesale Electricity Markets and Forward Capacity Markets classroom training schedule as well as its webinar schedule. Save the dates!

Keep Reading


NEPOOL Demand Resources Working Group Meeting (CANCELLED)

December 16, 2019
9:00AM - 10:00AM

NEPOOL Transmission Committee

December 17, 2019
9:30AM - 11:30AM

NEPOOL Reliability Committee

December 18, 2019
9:30AM - 4:30PM

Planning Advisory Committee

December 19, 2019
9:30AM - 4:30PM

NEPOOL Load Forecast Committee (LFC) Meeting

December 20, 2019
9:30AM - 12:00PM

Visit the Full Calendar

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Copyright ©2019 ISO New England Inc.