Have questions about ISO-NE? Get answers during our virtual office hours - ISO Newswire Members of the public may join our External Affairs team online anytime from 4:00 to 5:00 p.m. on May 11.

ISO New England’s External Affairs department will host virtual office hours from 4:00 to 5:00 p.m. on Monday, May 11. Following a brief introduction to ISO New England, External Affairs staff will take questions from attendees. Learn more: https://bit.ly/4cPcpCq

Demand on the regional power grid is lower during the spring, but that doesn’t mean ISO New England, electricity generators, and transmission providers are taking a break. Learn more: https://bit.ly/4tUL6ws

What's the difference between wholesale and retail electric prices? Wholesale prices change from hour to hour based on weather and demand. Retail prices change less often, set in longer-term rates by state public utilities commissions. Learn about these differences and more: https://bit.ly/48w3Yte

Spring 2026 update on regional transmission investment now available; 2 projects under construction in New England - ISO Newswire Three upgrades have been placed into service since October 2025, according to the Regional System Plan Project List.

Published three times a year, the Regional System Plan Project List describes the status of pool transmission facility projects needed to ensure reliability in New England. Read about the spring update here: https://bit.ly/4vrphWG

From sea turtles to transmission lines: A lawyer's journey - ISO Newswire Jillian Kasow brings to the ISO a unique blend of legal expertise, energy policy insight, and an understanding of narratives.

As regulatory counsel at ISO-NE, Jillian Kasow's job is translating complex issues into clear, actionable guidance. Her skills were crucial to a multi-year effort to integrate a new external tie line into the regional power grid. Learn more: https://bit.ly/424J8gU

ISO-NE is subject to a high level of regulation and enforceable standards on both federal and regional levels. Meeting those standards helps keep the power grid operating reliably for New England’s homes and businesses. Learn more: https://bit.ly/4sK7kAp

ISO Minute: Coordinating springtime transmission outages - ISO Newswire In this ISO Minute, Maya Ault shares how her team balances the various requests for upgrades and repairs while keeping the lights on.

Every spring, power generators and transmission lines get their tune-ups. Behind the scenes, ISO New England has a team planning every move to keep the grid reliable even when some equipment is off line. Learn more in this ISO Minute: https://bit.ly/4sWFBwZ

Charts highlight contributions from small but growing resource types - ISO Newswire A monthly ISO-NE report examines trends in output from wind and solar, battery storage, demand response, and various combustible fuels.

A monthly ISO-NE report examines trends in output from wind and solar, battery storage, demand response, and various combustible fuels. Learn more: https://bit.ly/4vhI3jp

A key factor influencing whether a given resource offers to produce electricity at negative prices is fuel availability. When a resource has excess fuel, it’s more likely to make a negative supply offer. Learn more: https://bit.ly/3Q6FZuh

Teamwork across ISO-NE critical in addition of new transmission line - ISO Newswire Josh Lenzen and the System Operations Readiness team take projects from concept to reality, one critical detail at a time.

Integrating a new external tie line into the regional power grid was massive, multi-year effort involving multiple teams at ISO-NE. System Operations Readiness Manager Josh Lenzen is one of the people who helped make it happen. https://bit.ly/4veGS4c

Negative electric energy prices can occur at any time, depending on power system conditions. But they’re most common around midday in the spring, when demand for grid electricity tends be lowest. Learn more: https://bit.ly/4codXTO

FERC accepts ISO-NE's 1st batch of capacity market reforms - ISO Newswire Auctions will shift to a “prompt” timeline in 2028, and the process for exiting the market will change.

The Federal Energy Regulatory Commission (FERC) has accepted the first phase of ISO-NE's proposed capacity market reforms, which aim to improve power system reliability and cost-effectiveness as the region’s resource mix evolves. Learn more: https://bit.ly/4m3W3cb

Like most commodities, electricity is first produced and sold on the wholesale level before it is sold and distributed to consumers on the retail level. Learn more about who influences electricity prices: https://bit.ly/4uQDdcy

An interdisciplinary team from ISO-NE has been recognized with ESIG’s Excellence Award for developing tools that assess the grid’s ability to deliver energy during extreme weather conditions. Learn more: https://bit.ly/4uXYNvW

Explainer: Why are energy prices sometimes negative? - ISO Newswire There are a lot of factors involved, but they boil down to a simple economic concept: surplus.

You can’t get something for nothing. So why is it that wholesale electric energy prices are sometimes zero, or even less? This article explores the reasons: https://bit.ly/41trnYj

ISO Minute: A new way to measure power resource reliability - ISO Newswire Chris Geissler, director of Economic Analysis, explains how the ISO measures resources’ contribution to grid reliability.

Ensuring a reliable grid starts with understanding what a power resource can deliver when demand is high. In this ISO Minute, learn about how the ISO is updating its approach to resource accreditation: https://bit.ly/3PDyef7

A new fact sheet from ISO-NE helps consumers make sense of their electricity expenses by breaking down the organizations that influence prices, the difference between wholesale and retail, and the components of a typical electric bill. Learn more: https://bit.ly/40LXcvj

Monthly ISO-NE report follows trends in energy resource output - ISO Newswire ISO-NE’s System and Market Operations Report is a detailed overview of information about the regional power grid.

The ISO’s System and Market Operations Report tracks daily and monthly average output from New England’s energy resources. Learn more: isonewswire.com/2026/03/18/m...

ISO Minute: Keeping pace with an evolving power grid - ISO Newswire ISO Minute is a video series featuring ISO New England employees speaking about their experiences working for the region’s independent system operator and supporting the safe and reliable transition to clean energy. Keeping the power grid reliable takes careful preparation for the changes coming to the region’s electric system. In this ISO Minute, Josh Lenzen, manager of System Operations Readiness, shares how his team helps prepare ISO New England’s system operators and other employees for upcoming projects and operational changes.…

The power grid is constantly evolving. From new technologies to new regulations, it’s key to prepare for change. In this ISO Minute, learn about how the System Operations Readiness team ensures grid operators are ready for what’s ahead. https://bit.ly/3PfQ9IG

Spring and fall see lower demand for electricity from the regional power grid because people aren’t using as much energy to heat or cool their homes, and solar panels reduce demand even further. Learn more: https://bit.ly/4loXKk6

Electricity is measured in both capacity and energy — watts and watt-hours. Understanding the difference is critical to understanding how the power grid works. This page can help: https://bit.ly/4sz0NZq

Persistent sub-freezing temperatures this winter meant many solar panels were covered by snow for weeks and produced well below their potential. Learn more in our winter recap: https://bit.ly/4roFvwM

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Wednesday: "Intro to ISO" will provide an overview of our three critical roles. This free event is designed for a non-technical audience. Review the presentation linked here to see if this webinar is a good fit for you: www.iso-ne.com/event-detail...

Winter 2025/2026 recap: Grid stays reliable during prolonged cold - ISO Newswire Extensive preparation and collaboration helped keep New England’s power grid reliable throughout its most challenging winter in nearly a decade.

New England's power system remained reliable through this colder-than-usual winter, thanks to strong collaboration and sophisticated tools the ISO developed in the wake of past cold snaps.

Learn more: https://bit.ly/4lgmOd6

Consumer Liaison Group’s March meeting to be held in Vermont - ISO Newswire A virtual attendance option is also available.

The next quarterly meeting of the Consumer Liaison Group will take place March 25 in Vermont and online. CLG is a forum for open dialogue and information exchange between ISO-NE and electricity consumers.

More details here: https://bit.ly/4seqb6M

‘Intro to ISO’ webinar offered March 11 - ISO Newswire The webinar will provide an overview of ISO-NE’s three critical roles and an opportunity for questions from attendees, as time allows.

ISO New England’s External Affairs department will host an “Intro to ISO” webinar on March 11 from 4:30 to 5:30 p.m.

Learn more: https://bit.ly/4aWDpOn

Weather can impact electricity demand and the availability of resources. Learn how ISO New England’s Regional Energy Shortfall Threshold (REST) tool helps assess the grid’s ability to deliver energy: https://bit.ly/4cXOmSe

Monthly wholesale electricity prices and demand in New England, January 2026 - ISO Newswire Colder weather, higher demand, and spiking natural gas prices converged in January to push wholesale electricity prices to their highest levels since February 2014.

Colder weather, higher demand, and spiking natural gas prices converged in January to push wholesale electricity prices to their highest levels since February 2014. Learn more in our monthly market report: https://bit.ly/3P3v7Nb

Internal Market Monitor issues fall 2025 report - ISO Newswire The report notes that New England was a net exporter of electricity during fall 2025, likely for the first time in at least 20 years.

Elevated natural gas prices drove a proportional increase in wholesale electricity costs in fall 2025, according to the Internal Market Monitor’s latest quarterly report.

Learn more: https://bit.ly/46n3dSl

ISO Minute: Explore the energy supply forecast that’s key to winter grid operations  - ISO Newswire Mallory Waldrip shares her work compiling the 21-Day Energy Assessment Forecast and Report, a key tool for ISO-NE’s winter operations.

Winter grid operations are all about staying ahead. Our innovative three-week outlook analyzes a host of variables to identify potential energy shortfalls, allowing the region to take steps to prevent them or lessen their impact.

Learn more: https://bit.ly/4ty2bwC