Advanced Power has completed the sale of Rock Rose Energy Storage LLC. The Rock Rose Energy Storage project is a standalone 200 MW/400 MWh battery energy storage system (BESS) project located in Fort Bend County, Texas. Advanced Power received financial advisory support from PEI Global Partners for the transaction. The project is scheduled to commence operations in 2027.
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Germany’s Federal Network Agency has released the results of the innovation auction that concluded on September 1, 2025. The auction, which invited bids for hybrid renewable and storage projects, was oversubscribed by four times. The tendered capacity was 486 MW, with the auction receiving bids with a total capacity of 2,182 MW. The total number of bids received was 163, of which 33 bids with a cumulative capacity of 490 MW were awarded.
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Xcel Energy has proposed a large-scale distributed battery storage network across Minnesota to address rising electricity demand and improve grid efficiency. Under its Capacity*Connect proposal, the company plans to install up to 200 MW of battery storage at selected sites by 2028 in partnership with Sparkfund. The distributed storage units will be installed at commercial, industrial, and nonprofit locations across the state.
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Founder Group Limited (FGL) has signed a heads of agreement with Planet QEOS Sdn Bhd to jointly develop a renewable energy project in Sarawak, Malaysia. The project has an estimated value of up to $276 million. It will include a 310 MWp ground-mounted solar photovoltaic project along with a 620 MWh battery energy storage system. The initiative is part of the Baram DeepTech Energy programme.
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Enlight Renewable Energy, through its US subsidiary Clēnera Holdings, has completed two tax equity partnership agreements for the Roadrunner solar and battery energy storage system (BESS) project in Tucson, Arizona. The solar component has been backed by J.P. Morgan with a tax equity contribution at commercial operation date (COD). The storage component received tax equity financing from M&T Bank and First Citizens Bank at COD.
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Nama Power and Water Procurement has signed a power purchase agreement with a consortium for the development of the Ibri III Solar Independent Power Project in Oman. The project comprises a 500 MW utility-scale solar plant, integrated with a 100 MWh battery energy storage system. The consortium that will develop the project includes Masdar, OQ Alternative Energy, Al Khadra Partners, and Korea Midland Power Co. Ltd.
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Georgia Power has announced its 2025 Request for Proposals (RFP) to procure 500 MW of energy storage system (ESS) capacity. The RFP was approved by the Georgia Public Service Commission (PSC), as part of the 2022 Integrated Resource Plan. Additionally, it seeks to bring the ESS projects online by 2031. The RFP will be managed by Ascend Analytics as an independent evaluator on behalf of Georgia Power.
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OCI Energy has closed construction financing for Project Alamo City, a standalone battery energy storage system (BESS) project in Bexar County, Texas. The financing package consists of a construction-to-term loan, a tax equity bridge loan, and letters of credit. The debt was underwritten by ING, which acted as sole coordinating lead arranger, bookrunner, and green loan coordinator, in addition to serving as administrative agent.
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GridStor has acquired the 100 MW/400 MWh White Tank battery energy storage system (BESS) project in Arizona from Strata Clean Energy. The project, located in Maricopa County, will operate under a 20-year tolling agreement with Arizona Public Service (APS). The project is scheduled to begin operations in the first half of 2027, with Strata continuing to provide consultative support until commercial operations commence.
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Grid-scale battery storage projects have rapidly expanded in recent years across the globe. This expansion is driven by the sharp decline in battery costs and the large-scale integration of VRE, which has significantly enhanced the competitiveness of grid-scale batteries as a means of providing system flexibility. With the increasing deployment of VRE, the structure of grid operation, transmission and distribution businesses, and thermal power generation businesses may experience structural transformations.
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Flatiron Energy has closed financing of about $540 million from multiple financial institutions for the 200 MW/800 MWh Taft battery energy storage system (BESS) project in Uxbridge, Massachusetts. The project is expected to begin commercial operations in late 2026. The financing package includes construction and bridge loans, term loans, letter of credit facilities, a preferred equity commitment, and a tax credit transfer commitment.
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As more variable renewable energy enters India’s electricity grid, coinciding with sharp declines in battery costs, new business cases are emerging for BESS. One particularly promising opportunity is battery participation in India’s wholesale power and ancillary services market. Price volatility in the day-ahead market segment of the power exchanges is becoming the norm. Electricity prices are now regularly crashing during solar hours and surging during the evenings and nights.
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Citicore Renewable Energy Corporation (CREC) has switched on the Batangas 1 Power Plants, consisting of the Lumbangan and Luntal projects. The projects will have a capacity of 197 MW of hybrid agro-solar with a 320 MWh battery energy storage system (BESS). The projects are a part of CREC’s plan to add 5 GW of renewable capacity within the next five years.
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Saudi Power Procurement Company (SPPC) has issued a request for qualification (RFQ) for the seventh round of solar and wind projects under the National Renewable Energy Program (NREP) led by the Ministry of Energy. The round covers a total capacity of 5,300 MW, comprising four solar photovoltaic projects and two wind projects across different regions of the country.
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Fidra Energy has secured financial close for the Thorpe Marsh battery energy storage system (BESS) project in Doncaster, South Yorkshire, UK. The company has raised about £445 million in new equity from EIG and the National Wealth Fund (NWF), along with £594 million in loan facilities from various international lenders. With a total investment of nearly £1 billion, the BESS project will have a capacity of 1,400 MW/3,100 MWh.
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Plus Power has commenced operations of its Cranberry Point Energy Storage facility in Carver, Massachusetts. The standalone utility-scale battery energy storage system (BESS) project has a capacity of 150 MW/300 MWh. It is spread across 6 acres and is connected to Eversource’s Carver 115 kV substation, which links to a major north-south transmission line carrying power to Boston.
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Zelestra and BKW have signed a long-term tolling agreement for the delivery of a 2 GW battery energy storage system (BESS) project in northern Italy. As part of the agreement, Zelestra will allocate a share of the plant’s generation capacity to BKW, allowing it to manage and optimise flexibility in the market. Construction for the project is scheduled to begin in 2027, and is expected to become fully operational in 2028.
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EDF and Elements Green have inked a long-term agreement for the delivery of the 360 MW/720 MWh Staythorpe battery energy storage system (BESS) project located in Nottinghamshire. As part of the arrangement, EDF will provide a guaranteed minimum income from grid balancing along with the project’s 15-year capacity market contract. The project is in the construction stage, and is expected to start operations in 2027.
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SK On has signed a multi-year supply agreement with Flatiron Energy. As a part of the agreement, SK On will provide up to 7.2 GWh of battery energy storage system (BESS) capacity for Flatiron’s utility-scale projects across New England and other states through 2030. SK On will first deliver containerised BESS units with 1 GWh of lithium iron phosphate (LFP) batteries for a project in Massachusetts.
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The Philippines Department of Energy has released the results of the fourth green energy auction (GEA-4). The tendered capacity was 10,653 MW, with 9,423.622 MW subscribed, reflecting an 88 per cent subscription rate. The auction covered ground-mounted, roof-mounted, and floating solar, onshore wind, and integrated solar with energy storage systems. A total of 111 bids were accepted.
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