NEWS
February 11, 2026
Maine Public | New England’s largest battery storage opens in Gorham
New England’s largest standalone energy storage facility in Gorham is on and already improving reliability and stabilizing prices across the region, according to owner Plus Power. The Cross Town site in the town’s industrial park includes more than 150 battery units capable of storing up to 350 megawatt hours of energy, Christina Hoffman, the company’s senior director of planning said at a ribbon cutting Wednesday.
September 10, 2025
CISION PR Newswire | Largest Utility-Scale Battery Energy Storage System in Massachusetts Now Online
Plus Power announced it is now operating its Cranberry Point Energy Storage facility in Carver, Massachusetts, the largest utility-scale standalone battery energy storage system on New England’s grid. The facility is a significant milestone in the buildout supporting New England’s energy infrastructure and grid reliability. At 150 MW / 300 MWh, Cranberry Point is helping the Commonwealth reach roughly a third of its goal to deploy 1,000 MWh of battery energy storage by 2025.
November 25, 2024
CISION PR Newswire | Plus Power Battery Storage Project Wins Public Service Company of New Mexico Award
Today, Plus Power announced that its 150 MW / 600 MWh Corazon Energy Storage project was awarded a 20-year contract by Public Service Company of New Mexico (PNM), subject to regulatory approvals, in response to the utility’s 2026-2028 Generation Resources Request for Proposals. The RFP was issued in 2022 and sought projects that will help serve growing energy demand in New Mexico. PNM filed with the New Mexico Public Regulation Commission for approval of the project on Nov. 22, 2024.
June 24, 2024
SRP | Two New Batteries on SRP’s Grid will Advance Reliable and Sustainable Power for SRP Customers
Salt River Project (SRP) and Plus Power today celebrated two new grid-charged battery storage systems, Sierra Estrella Energy Storage and Superstition Energy Storage. Together, these facilities will add 340 megawatts (MW) / 1,360 megawatt-hours (MWh) of additional battery storage capacity to SRP’s system – enough to power 76,000 residential homes for a four-hour period. The batteries will absorb excess energy when customer demand is lower and store it for use during times of peak demand.
February 15, 2024
CISION PR Newswire | Plus Power Secures Nearly $100 Million Tax Equity Financing for Merchant Battery Storage Project in ERCOT
Plus Power announced the completion of approximately $98 million in tax equity investment for its 200 MW / 400 MWh Ebony Energy Storage facility in Comal County, Texas. The investment from Greenprint Capital Management, a market leader in structured, renewable energy tax credit partnerships, will help the project stabilize ERCOT’s power system during dynamic summer demand and cold winter storms while helping to integrate more renewable energy into the grid.
January 27, 2024
USA Today | This state is quickly becoming America's clean energy paradise. Here's how it's happening.
Hawaii pledged to be “Coal free by ’23,” and state law requires 100% clean energy in just 21 years. Attaining that goal came closer last month when Plus Power’s enormous 185-megawatt battery near Honolulu hummed into full operation.
January 07, 2024
The Maine Monitor | Maine’s first giant battery project set for construction in Gorham
Construction is set to begin this spring in Gorham on one of New England’s largest battery storage projects, a preview of similar ventures that are seen as a missing link for optimizing the region’s growing fleet of solar and wind power plants.
October 17, 2023
S&P Global | Plus Power secures landmark $1.8B for US battery stations as 'tidal wave' nears
Amid a challenging high interest-rate environment, the fast-growing Houston-headquartered company closed financings with major lenders and investors to bring online 1.04 GW/2.76 GWh of lithium-ion battery capacity before peak power demand returns to Texas and the Southwest next summer.
September 12, 2023
The Texas Tribune | As brutal heat tests Texas’ power grid, batteries play a small but growing role in keeping the lights on
On Wednesday night, minutes before the state’s grid operator went into emergency mode to make sure it would have enough power to meet high demand during another triple-digit day, batteries provided more electricity to Texas homes and businesses than ever before.
April 13, 2023
AZ Central | SRP starts work on Arizona's largest standalone battery project in this metro Phoenix city
SRP and Houston-based Plus Power, joined by officials from Avondale, held a ceremonial ground breaking at the previously announced battery facility Wednesday. The new Sierra Estrella energy storage facility will hold electricity produced during low-use periods and release it when demand is higher, helping to power more than 56,000 average-sized homes for a four-hour period.
October 27, 2022
Phoenix Business Journal | SRP signs deal for two more battery storage stations to handle peak power demand
Salt River Project said Thursday that it will add two new battery storage systems that will go online in 2024 with a combined output of 340 megawatts, giving the Arizona utility company more options during times of heavy power demand. SRP said it signed contracts with Houston-based Plus Power for the two projects, which will be built in Avondale and Gilbert.
July 19, 2022
Maine Public Radio | Big batteries are quickly becoming part of Maine's electric grid
Murray Carpenter interviews State Representative Mo Terry on Maine’s electrified future: “The storage facilities that we have right now are on the smaller size, 10-15 megawatts per facility, where the one that’s coming to Gorham is hopefully going to be up to about 150 megawatts of storage,” she says. That proposed facility, Plus Power’s Cross Town Project, would be about 17 times the size of the Tesla system near East Millinocket. That's about enough to power 150,000 Maine homes for two hours.
August 6, 2021
Forbes I Plus Power: Charging Into New Storage Markets
Peter Kelly-Detwiler on Plus Power’s data-driven strategies to deploy utility-scale stand alone energy storage across the U.S.
February 11, 2021
Green Tech Media | Plus Power Breaks Open New England Market for Massive Batteries
San Francisco-based developer Plus Power won two bids in the latest capacity auction held by the New England ISO, which operates the transmission grid and competitive power markets in six northeastern states. That means that these two battery plants offered a compelling enough price to edge out some fossil fuel plants for delivering power on demand.