Pins matching power:storage

The Riverside Energy Storage Project is a 135 MW / 540 MWh 4-hour battery energy storage system located on an industrial parcel near Dundalk in Baltimore County, Maryland. Sited along the Northeast to Riverside 230 kV bulk power corridor operated by Baltimore Gas and Electric (BGE) in PJM Interconnection, the facility provides critical local capacity, peak power replacement, and frequency regulation for the Baltimore industrial and port hub.

PJM’s June 2026 studies identify Oak Run Solar Project, LLC’s two storage requests, AG2-106 and AG2-107, at Marysville–Flatlick in Madison County, Ohio. Each specifies 150 MW of capacity rights and 600 MWh; 800 MW is the combined facility capability.

PJM’s June 2026 study identifies Scout Solar DevCo LLC’s Cordova request AG2-675 as an 80 MW / 320 MWh, four-hour storage addition sharing solar request AG1-462’s interconnection in Rock Island County, Illinois.

PJM’s June 2026 study identifies Aurora Generation, LLC’s AH1-563 as a 150 MW / 600 MWh, four-hour addition at Aurora E.C. The 1,206 MW figure is combined gas/storage capability, not standalone battery capacity.

PJM’s June 3, 2026 Phase II study identifies Cardinal Energy Storage East LLC in Loudoun County, Virginia: 425 MW / 2,550 MWh six-hour grid-charging storage request.

PJM’s June 3, 2026 Phase II study identifies Cardinal Energy Storage East LLC in James City County, Virginia: 650 MW / 3,900 MWh six-hour grid-charging storage request.

PJM identifies Zeus storage, LLC’s AG2-571 in Brunswick County as a 100 MW / 400 MWh addition to the 400 MW solar request AG2-570. The 500 MW figure is combined facility capability.

PJM’s June 2026 study identifies Lightsource Renewable Energy Development LLC’s AH1-482 as a 78 MW / 312 MWh, four-hour storage addition to AG1-349 solar in Pulaski County, Indiana. The 338 MW figure is combined facility capability.

PJM’s June 3, 2026 Phase II study names Monarch Grid LLC’s AG2-545 at Silver Lake 345 kV in McHenry County: a 400 MW storage uprate, 160 MW capacity credit and proposed 1,600 MWh / four-hour class. Physical interconnection study is available.

PJM’s June 3, 2026 Phase II study identifies Cassius Blue Solar LLC in Sussex County, Virginia: 85 MW / 340 MWh storage addition; 479 MW is total facility scope, not this battery rating.

Avantus' Aratina 1 solar-plus-storage project in eastern Kern County, California reached commercial operation in July 2026 with 200 MW of solar and 500 MWh of storage under PPAs with two community choice aggregators; cost is not published (over 500M USD of lender financing).

Enel North America began building the Ables Springs project in Kaufman County, Texas, in March 2024 with 186 MW of solar and a 115 MW / 169 MWh battery; no project cost has been published and the solar side is still shown as planned in federal data.

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.

AES Hawaii is building the 30 MW solar plus 240 MWh battery Waiawa Phase 2 project near Pearl City on Oahu for Hawaiian Electric; the state lists it as in testing with commercial operation targeted for September 2026, and no total project cost has been published.

Ameresco has installed a 25 MW battery of Tesla Megapacks on Snohomish County PUD's Arlington clean energy campus, Washington's first battery energy storage facility, due to be fully energized in fall 2026; the PUD is the sole customer under a 25-year agreement and no cost is published.

Duke Energy is building a 17.3 MW / 69 MWh lithium-ion battery beside a 9.5 MW solar plant at the Asheville Energy Complex in Arden, Buncombe County, North Carolina, expected in service in 2026; no project cost is published.

Intersect Power won Alameda County approval in March 2021 for the 100 MW Aramis solar farm with a 100 MW / 4-hour battery on about 410 acres in North Livermore; no cost is published and no 2026 construction or operation report was found.

Goshe Energy Storage (Cleanview lists Excelsior Energy Capital) is building a portfolio of seven battery systems totalling 180 MWac in Cameron County, Texas for ERCOT, with up to 85M USD of NADBank loan reserved; the total project cost is not published.

Palladium’s September 2026 sale teaser publishes Allthorn at 230 MWac solar and 200 MW / 400 MWh two-hour storage, targeting Q3 2029. Its adviser says draft SGIAs await execution; ERCOT separately reports 231.5 MW solar and 205.2 MW battery, targeting January 15, 2029.

Jupiter Power's Barton Branch IA battery in Robertson County, Texas is listed at 200 MW (EIA) or 203.6 MW (ERCOT), under construction with operation expected October 2026; it is one of three Texas projects in a 536 million USD July 2026 financing, and no project cost has been published.

174 Power Global's East River ESS is a 100 MW / 400 MWh battery on NYPA land in Astoria, Queens, approved by the New York PSC in July 2021 at 132M USD under a seven-year Con Edison dispatch contract; construction was due to start in 2025 per NYCEDC and NYPA after the end-2022 target slipped; no commissioning report was found.

The Werner West Energy Storage Project is a 150 MW / 600 MWh 4-hour battery energy storage system located near Grand Chute and Appleton in Outagamie County, Wisconsin. Positioned adjacent to American Transmission Company's (ATC) Werner West 138 kV Substation in MISO, the battery facility provides critical fast-responding peak capacity and voltage regulation for the Fox River Valley paper manufacturing, packaging, and industrial hub.

Pueblo County's 9 January 2025 land-use agenda lists a 1041 permit for Arroyo, LLC to build 422 MW of solar and a 168 MW battery on about 2,656 acres south of the Comanche station for transfer to Xcel's Public Service Company of Colorado; EIA lists 335 MW of solar for 1 October 2026 and no cost has been published.

Maryland did not select Cardinal Energy Storage East’s 500 MW Oystercatcher proposal for the first storage award round on October 1, 2026. The six-hour proposal is near BGE’s Conastone substation in Harford County; a later round remains possible.

AES Hawaii is building the 7 MW (20.4 MWdc) Mountain View solar plus 35 MWh battery project in Waianae on Oahu for Hawaiian Electric under a PUC-approved PPA; the state lists commercial operation for November 2026 and no total cost has been published.

Vitis Energy is building the 200 MW / 400 MWh Apache Hill Energy Center battery beside the Comanche Peak nuclear plant in Hood County, Texas (ERCOT); a 155M USD credit facility closed in 2025, no total project cost has been published, and online dates have slipped from July to about November 2026.

Vesper Energy development of the Xenia Clean Energy Storage Center in Clay County, Illinois. Delivering 200 MW / 800 MWh of lithium-ion battery capacity, the four-hour storage facility connects to the Midcontinent Independent System Operator (MISO) transmission network to enhance southern Illinois grid resilience and buffer fluctuating regional wind and solar generation.

Georgia Power is constructing the 57.5 MW / 230 MWh Plant Hammond Battery Energy Storage System on an eight-acre parcel of the retired coal-fired Plant Hammond in Floyd County, Georgia. Approved by the Georgia Public Service Commission as part of the utility’s Integrated Resource Plan, the four-hour lithium-ion facility repurposes legacy high-voltage switchyards to dispatch clean reliability reserves into northwestern Georgia.

Glendale Water & Power (GWP) is deploying the 75 MW / 300 MWh four-hour Grayson Battery Energy Storage System at the municipal Grayson Power Plant on Air Way in Glendale, Los Angeles County, California. Utilizing Tesla Megapack technology selected under City Council Alternative 7 and certified in the Environmental Impact Report, the utility-scale installation supplies local peaking capacity, replaces retiring gas generation, and bolsters grid reliability across the Verdugo Mountains basin.

D. E. Shaw Renewable Investments (DESRI), having acquired the project from original developer Eolus North America, is constructing the $290 million, 127 MW / 506 MWh Roccasecca Battery Energy Storage System (BESS) in Boulder City, Clark County, Nevada. Backed by a $290 million senior credit facility and secured under a long-term 15-year tolling agreement, the utility-scale lithium-ion battery installation connects into the CAISO grid to provide essential peak ramping and grid balancing capacity.

The Rosamond South II Energy Storage Project is a 92 MW / 368 MWh 4-hour battery energy storage system located near Rosamond in southern Kern County, California. Sited within the Antelope Valley clean energy corridor and connecting into Southern California Edison's (SCE) transmission system in the California ISO (CAISO) balancing area, the utility-scale battery facility captures peak daytime solar power from Mojave Desert solar fields for evening ramping discharge.

The Vonore Energy Storage System is a utility-scale 20 MW / 80 MWh 4-hour battery energy storage system located in Vonore, Monroe County, Tennessee. Located in the Tellico West Industrial Park near Tellico Lake, the facility connects directly to TVA's 161 kV transmission infrastructure, providing peak shaving, voltage support, and critical capacity firming for East Tennessee's expanding automotive and marine industrial manufacturing corridor.

The Hobbs Energy Storage Project is a 75 MW / 300 MWh 4-hour utility-scale battery energy storage system located southwest of Hobbs in Lea County, New Mexico. Sited across approximately 12 acres of flat industrial land, the system interconnects directly into Southwestern Public Service Company's (SPS / Xcel Energy) 115 kV transmission network in the Southwest Power Pool (SPP), reinforcing electrical reliability and smoothing energy supply across the energy-intensive Permian Basin.

The Jamaica Energy Storage Facility is a 5 MW / 20 MWh 4-hour urban distributed battery energy storage system located along Pitkin Avenue in eastern Brooklyn (Kings County), New York. Developed by NineDot Energy under New York's Value of Distributed Energy Resources (VDER) framework, the facility interconnects directly into Consolidated Edison's (Con Edison) 13.8 kV underground network in NYISO Zone J, relieving constrained urban feeder circuits and enhancing grid reliability across the Jamaica and East New York networks.

The Orchard Battery Energy Storage System is a 10 MW / 40 MWh utility-scale four-hour energy storage facility located near Orchard in Fort Bend County, Texas. Connected to CenterPoint Energy's distribution network within the Electric Reliability Council of Texas (ERCOT) Houston load zone, the facility provides fast-acting ancillary services, frequency regulation, and localized peak-load mitigation for the growing West Houston metropolitan corridor.

TransGrid Energy (Hanwha) is building the 382.4 MW / 1,529.6 MWh Atlas VIII standalone battery in La Paz County, Arizona, financed with about 1.2 billion USD in January 2026; the project cost itself has not been published.

Jupiter Power's Callisto II battery in Houston, Harris County is filed with Texas regulators as a 300 MW two-hour system and sits in ERCOT's queue at about 406 MW; a 258 million USD construction facility closed in April 2026 jointly with Pamela Heights I, and no project-only cost is published.

Excelsior Energy Capital and portfolio company Lydian Energy are developing the 150 MW Faraday Energy Storage project in Utah County near Eagle Mountain, Utah. Co-located with the utility-scale Faraday Solar complex that serves Meta Eagle Mountain Data Center under Rocky Mountain Power Schedule 34, the battery storage facility provides four-hour firm capacity and regional grid balancing.

Jupiter Power is constructing the 100 MW / 400 MWh utility-scale Tompkins Battery Energy Storage System in Tompkins Township, Jackson County, Michigan. Interconnecting into the regional 138 kV grid within the Midcontinent Independent System Operator (MISO) footprint, the four-hour standalone lithium-ion installation bolsters grid flexibility and capacity reserves across lower Michigan.

NextEra Energy Resources is advancing the 220 MW (219.96 MW) utility-scale Morrison Battery Energy Storage System in Noble County, Oklahoma. Sited near Morrison and collocated with the 220 MW Willow Creek Wind project, the facility connects directly to the Oklahoma Gas and Electric (OG&E) White Tail 345 kV Substation under Southwest Power Pool (SPP) surplus interconnection agreement GEN-2025-SR8, providing dispatchable reserve capacity and grid balancing across the regional transmission network.

Balanced Rock Power is constructing the 155 MW / 310 MWh Gunnar Battery Energy Storage System (BESS) in Hidalgo County, Texas, near Edinburg in the Rio Grande Valley. Interconnecting directly into ERCOT via AEP Texas's regional high-voltage transmission system, the 2-hour lithium-ion utility-scale storage facility delivers rapid frequency response, voltage stabilization, and critical peak power reserves during extreme weather events across South Texas.

The Essex Energy Storage Project is a utility-scale 16 MW / 64 MWh 4-hour battery energy storage system located in Essex Junction, Chittenden County, Vermont. Located adjacent to the major VELCO Essex 115 kV Substation on industrial utility land, the battery installation provides essential peaking capacity, frequency regulation, and transmission reliability for the Burlington metropolitan area while mitigating costly regional peak transmission charges for Vermont ratepayers.

The Columbus Energy Storage Project is a 10 MW / 40 MWh 4-hour utility-scale battery energy storage system located near State Highway 71 in Columbus, Colorado County, Texas. Occupying approximately 4 acres of light industrial land, the system connects into CenterPoint Energy's 69 kV regional transmission network in the ERCOT South Zone, providing essential fast-frequency regulation, capacity reserves, and grid stability during high-demand summer heatwaves.

The Hallam Battery Storage Project is a 40 MW / 160 MWh 4-hour utility-scale lithium iron phosphate (LFP) battery energy storage system located at the Sheldon Station power facility in Hallam, Lancaster County, Nebraska. Sited on approximately 8 acres of industrial land, the system connects into the Nebraska Public Power District's (NPPD) 115 kV transmission grid in the Southwest Power Pool (SPP), firming regional wind generation and reinforcing grid reliability across southeastern Nebraska.

The Longtown Battery Storage Project is a 5 MW / 20 MWh 4-hour utility-scale lithium-ion battery energy storage system (BESS) located along SC Highway 34 near Ridgeway in Fairfield County, South Carolina. Interconnecting directly with Duke Energy Carolinas' 44 kV sub-transmission network within the SERC reliability region, the facility provides local feeder peak shaving, grid frequency regulation, and voltage support for midlands rural distribution lines.

The Bellefield 2 Energy Storage Center is a 500 MW / 2,000 MWh utility-scale battery energy storage facility situated on desert acreage in Mojave, Kern County, California. Developed by Avantus as part of the broader Bellefield Clean Energy complex, the 4-hour lithium-ion installation connects into the California ISO (CAISO) grid, absorbing intense daytime solar generation from the Mojave Desert and discharging firm power during evening peak demand periods to support statewide grid reliability.

ERCOT lists Lyra Storage, queue 26INR0636, as a 500 MW Borden County project. Its published planning target is November 12, 2026; current delivery, owner and cost need further verification.

Black Mountain Energy Storage pitched an 85 million USD Backbone Creek battery near Max Starcke Dam in Burnet County, Texas; EIA data lists 121 MW and ERCOT 124.1 MW, with operation expected December 2026.