Regional Electricity Outlook

ISO New England’s unique role gives it an objective, bird’s-eye view of trends that could have an impact on the region’s power system. Explore this section of the website to learn about how the region’s power system is doing and changing, issues that affect the reliable supply of electricity, and the ways the ISO is striving to address those challenges and improve on its performance for the region.

20+ Years of ISO New England

How industry restructuring and ISO innovation have helped transform the regional electricity industry and revitalize New England’s power system

Grid in Transition: Opportunities and Challenges

About the transformation happening in New England’s wholesale electricity industry

Fuel Security for the Region’s Generators

Factors affecting the ability of the region’s power resources to access fuel, particularly in winter, and the resulting risks to reliability

Natural Gas Infrastructure Constraints

How the region’s inadequate natural gas delivery infrastructure affects the ability of natural-gas-fired plants to get the fuel they need to perform, exacerbating the fuel-security challenge and impacting reliable operation of the power system

Retirements of Non-Gas-Fired Power Plants

Why New England is losing large amounts of coal- and oil-fired and nuclear generating capacity, and how this intensifies the fuel-security challenge and affects operation of the power system

Integration of Renewable Resources and Other New Technologies

Opportunities and challenges related to the different operating characteristics of these power resources, and how the proliferation of these resources can help address the fuel-security challenge

Accommodating State Clean-Energy Goals within the Competitive Marketplace

Why long-term reliability depends on finding ways to harmonize the competitive wholesale electricity markets that have served the region so well to date with the New England states’ initiatives to promote clean energy

Working toward a Smarter, Greener Grid

About ISO initiatives that are keeping the grid on the leading edge

Cybersecurity Initiatives

How the ISO is protecting against cyberthreats to ISO systems that could affect the operation of the power system or wholesale electricity marketplace


Download the 2018 REO (February 2018)

Email for a hard copy

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Helpful Facts and Figures

Key Grid and Market Stats

The facts and statistics cited in the REO on regional electricity use, power resource mix, and more

New England Power Grid 2017–2018 Profile

A two-page overview of the six-state region’s wholesale electric power industry

New England Power Grid State Profiles 2017–2018

A two-page summary of power resources, demand, and environmental goals by state

ISO Express

A wide variety of viewable and downloadable reports, charts, and other public data available to market participants and other interested stakeholders

Seasonal System Outlook

The ISO’s expectations for electricity supplies and system conditions during the current spring, summer, fall, or winter

Projects and Planning

Projects and Planning

Annual Work Plan

The report outlining the planning/operations, markets, and capital projects we have planned for the year, as well as their expected timelines and outcomes

Wholesale Markets Project Plan

Details on the specific ISO projects underway and planned to enhance the region’s wholesale electricity markets

Regional System Plan

The report detailing the projected future load, resource, and transmission needs of New England’s power system on a 10-year horizon

Corporate Information

Corporate Information

Our Three Critical Roles

How the ISO runs New England’s power system, administers its wholesale electricity marketplace, and manages long-term regional system planning


The ISO’s annual operating and capital budgets and development materials

Financial and Performance Reports

The ISO’s formal financial statements and audit reports

Corporate Governance

About the people and policies behind the ISO

Older REO Reports

Title Date Type Size
2017 Regional Electricity Outlook 2/20/2017 PDF 3.73MB
2016 Regional Electricity Outlook 03/01/2016 PDF 2.71MB
2015 Regional Electricity Outlook02/26/2015 PDF4.39MB
2014 Regional Electricity Outlook02/25/2014 PDF8MB
2013 Regional Electricity Outlook01/31/2013 PDF6MB
2011-2012 Regional Electricity Outlook06/30/2011 PDF4MB
2010 Regional Electricity Outlook06/25/2010 PDF8MB
2009 Regional Electricity Outlook05/20/2009 PDF3MB
2008 Regional Electricity Outlook04/30/2008 PDF819KB

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