Pins matching tag:ISO-NE

Allco Renewable Energy's 2 MW Apple Hill Solar project off Willow Road in Bennington, Vermont, was denied a certificate of public good by the Vermont PUC in 2020 and again on 16 May 2022; a new petition (24-3517-PET) was filed after a November 2024 notice and is unresolved. No cost has been published.

ISO New England’s August 29, 2023 letter identifies Jupiter’s QP1143 Singleton battery proposal at Mystic as 500 MW / 2,000 MWh and records no significant adverse effect under its review. This historical study is not evidence the plant is operating.

The 250MW/500MWh Medway Grid MEDWA unit is explicitly operating, with March 2026 reported as its actual operating month. February 25 was an interconnection target, not a verified exact opening.

Jay’s town manager said on June 11, 2026 that Sentinel did not intend to proceed with the Androscoggin Mill data-center proposal. JGT2 was talking to other parties; future plans were undetermined.

Flatiron Energy's 140-141.6 MW (filing 140 MW, ISO-NE queue 141.6 MW) Treebeard battery on about 10 acres off Aspetuck Ridge Road in New Milford, Litchfield County, Connecticut, was paused in January 2026 and, per an August 2026 report, no longer being pursued; no cost has been published.

Flatiron Energy's Taft project is a 200 MW / 800 MWh standalone battery in Uxbridge, Massachusetts, the state's largest, with 540 million USD of financing closed in September 2025 and operation planned for December 2026.

NE Edge's proposed two-building, nuclear-powered data center at Dominion's Millstone site in Waterford, Connecticut (about 300 MW, 1.5 million sq ft) ended in March 2026 when its 30-year, 231 million USD host-fee agreement with the town defaulted; no project cost has been published.

Jupiter Power won state siting approval in February 2026 for Trimount, a 700 MW / 2,800 MWh battery system on the former ExxonMobil terminal in Everett, Massachusetts, the largest planned in New England; the company put the investment above 500M USD.

BD Solar Auburn's solar array off Lewiston Junction Road in Auburn, Maine, was approved at 14.6 MW and 17.6 million USD in March 2020; federal data now list a 5 MW unit planned for March 2028.

Flatiron Energy is proposing the 168 MW / 672 MWh Salt Cod Storage battery on the site of the retired Montaup coal plant in Somerset, Massachusetts; National Grid filed a 20-year contract for 100 percent of it on 2 July 2026 and operation is targeted for the end of 2028. No cost has been published.

Longroad Energy's Agawam Energy Center is a 250 MW, four-hour lithium-ion battery at 769 Silver Street, a former lumber yard in Agawam, Massachusetts, which the developer described in January 2026 as a multi-hundreds-of-millions-of-dollars investment (no figure published), with construction planned for 2027 and operation in 2029.

Green Development and the Quonset Development Corporation propose a 208 MW lithium-iron-phosphate battery on about 10 acres along Callahan Road in North Kingstown, Rhode Island, before the state Energy Facility Siting Board; cost is confidential and unpublished.