ISO New England

ISO-NE is the not-for-profit corporation responsible for overseeing the region’s bulk power grid, wholesale electricity markets, and power system planning.

[ISO New England @isonewengland]

ISO New England has lifted the precautionary Abnormal Conditions Alert. System conditions have returned to normal.

[ISO New England @isonewengland]

ISO-NE has issued a precautionary alert for all of New England due to hot, humid weather across the region and anticipated tight operating conditions over the evening peak on July 2, 2026. This is not a system emergency. Read more: https://t.co/z0z37OQ30U

[ISO New England @isonewengland]

The precautionary alert has been lifted and system conditions have returned to normal.

[ISO New England @isonewengland]

ISO-NE has issued a precautionary alert in advance of tight operating conditions over tonight's peak. Consumer demand is expected to be higher than initial forecasts and there have been unanticipated outages. This is not an emergency, and no public action is required.

[ISO New England @isonewengland]

ISO New England has lifted the precautionary alert. Conditions have returned to normal.

[ISO New England @isonewengland]

ISO New England has issued a precautionary alert for all of New England due to a combination of high demand and the loss of generation and imports. This is not a system emergency, and no public action is required.

[ISO New England @isonewengland]

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://t.co/kRJntOCeEc

[ISO New England @isonewengland]

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://t.co/ilrG2pSBCx

[ISO New England @isonewengland]

The ISO’s System and Market Operations Report tracks daily and monthly average output from New England’s energy resources. Learn more: https://t.co/35m6Y37C5d

[ISO New England @isonewengland]

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://t.co/jSERjNr6sX

[ISO New England @isonewengland]

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://t.co/ldWl2FV3A1

[ISO New England @isonewengland]

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://t.co/VJO3It85kv

[ISO New England @isonewengland]

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://t.co/pb516hbm9i

[ISO New England @isonewengland]

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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: https://t.co/QK9vbTYYpB

[ISO New England @isonewengland]

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://t.co/4EaQRxzx3G

[ISO New England @isonewengland]

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://t.co/KFeoXhzNPt

[ISO New England @isonewengland]

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://t.co/ssBQLBmxP1

[ISO New England @isonewengland]

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://t.co/uds4MbPjAo

[ISO New England @isonewengland]

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://t.co/3gN82KvuyZ

[ISO New England @isonewengland]

Our president and CEO, Vamsi Chadalavada, spoke to RTO Insider about keeping the power grid reliable during the recent cold weather and upcoming ISO-NE initiatives. Read the piece below (subscription required).

[RTO Insider™ @rtoinsider]

Just a few weeks after taking over as CEO of ISO-NE at the beginning of 2026, Vamsi Chadalavada faced a trial-by-fire introduction to the job.

See Full Story: https://t.co/MTQZjTASSL
Writer: Jon Lamson