Long-duration battery storage can contribute to security of supply more cost-effectively than gas-fired power plants, LCP Delta finds

LCP Delta has conducted a study analyzing the potential contribution of long-duration battery storage to security of supply within capacity tenders in Germany, including an economic comparison with gas-fired power plants and the resulting costs to the public. However, the authors explicitly note that they are not advocating for a complete phase-out of new gas-fired power plants. April 23, 2026 Sandra Enkhardt From pv magazine Germany Discussions around capacity market procurements are gaining mo...
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Germany adds record 1 GWh of battery storage in March

Germany could break the gigawatt-hour mark for the first time on a monthly basis. Around 45,000 new residential photovoltaic storage systems have been registered in the market master data register so far in March. April 16, 2026 Sandra Enkhardt From pv magazine Germany The Fraunhofer Institute for Solar Energy Systems (Fraunhofer ISE) runs Energy-Charts, which presents easily digestible data from Germany’s Market Master Data Register. This is the official system where storage assets are regist...
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Sonnen cuts prices for large residential battery products

German company Sonnen is set to offer its customers a 22 kWh battery energy storage system (BESS) for the price of an 11 kWh product. The offer will be valid until the end of June 2026. April 2, 2026 Sandra Enkhardt Image: Sonnen From ESS News Sonnen is responding to a changing market environment for residential energy storage, where larger systems have become more cost-effective due to rising energy prices and new regulatory requirements. It has announced temporary price reductions valid throug...
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Energy Storage Inspection 2026: Fox ESS, SMA, SAX Power, Kostal and BYD impress with high efficiency

Energy Storage Inspection 2026: Fox ESS, SMA, SAX Power, Kostal and BYD impress with high efficiency

Twelve photovoltaic storage systems with capacities of 5 kW or 10 kW were included in the comparison, among them several new products, all of which achieved efficiency class A. A new study – also examining efficiency losses when storing electricity from the grid – highlights the importance of highly efficient battery storage. The researchers also took a closer look at the warranty conditions of the devices. March 6, 2026 Sandra Enkhardt From ESS News Fox ESS is the new test winner in the “...
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M-Tec launches modular propane heat pump for residential, commercial use

M-Tec launches modular propane heat pump for residential, commercial use

The new residential heat pump system can be configured modularly and requires less than 150 grams of refrigerant, which allows it to be installed indoors. The system integrates with M-Tec’s energy management platform and supports multiple heat sources, photovoltaics, and battery storage. December 5, 2025 Sandra Enkhardt Image: M-Tec From pv magazine Germany Austrian manufacturer M-Tec has presented a new residential propane heat pump that offers a heating capacity of up to 26 kW and is suitabl...
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Eco Stor breaks ground on Germany’s largest battery storage project

Eco Stor breaks ground on Germany’s largest battery storage project

Eco Stor says construction has begun on a 300 MW/714 MWh battery storage facility in Förderstedt, Saxony-Anhalt, now the largest such project under development in Germany. November 5, 2025 Sandra Enkhardt Image: Eco Stor From ESS News RWE briefly held the record for Germany’s largest battery storage facility under construction with its 400 MW / 700 MWh project. Following its groundbreaking ceremony on Tuesday, Eco Stor’s 300 MW / 714 MWh project in Förderstedt, Saxony-Anhalt, has n...
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Sonnen launches trade-in program for old solar battery storage systems regardless of condition or manufacturer

The initiative by the Allgäu-based company targets owners of photovoltaic storage systems installed before the end of 2020. The value of the trade-in bonus depends on the capacity of the new Sonnen battery. Sonnen describes the campaign as a “targeted growth initiative in a new market segment.” November 3, 2025 Sandra Enkhardt Image: Sonnen From ESS News Sonnen is launching what it claims is Germany’s first battery storage exchange program. The company is offering households that installe...
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Germany adds almost 4.59 GWh of battery storage already this year

Germany adds almost 4.59 GWh of battery storage already this year

Analysis by pv magazine shows almost 2.1 million battery storage systems (BESS) are now in operation in Germany. The latest figures for this year are 362,537 systems with a power output of around 2.6 GW and a cumulative storage capacity of 4.59 GWh. September 8, 2025 Sandra Enkhardt Image: pv magazine From ESS News The market data register of Germany’s Federal Network Agency (Bundesnetzagentur) lists 2,093,855 battery storage systems with a gross output of 15.24 GW and a usable storage capacit...
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Freen launches scalable sodium-ion battery storage

The Estonian home and commercial storage systems come in low- and high-voltage models. The high-voltage option can scale to ten modules, for 100.8 kWh, and a six-module, low-voltage version to 45 kWh. September 3, 2025 Sandra Enkhardt...
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Home storage grows across Europe in first half of 2025

Home storage grows across Europe in first half of 2025

Home battery demand was subdued in Germany and Italy in the first six months of 2025 but rose in Austria, France, the Netherlands, and the Czech Republic. One driver was falling prices, with EUPD Research reporting an average €711 ($833)/kWh in the first half of the year. July 23, 2025 Sandra Enkhardt Image: EUPD Research From ESS News Demand for residential battery storage systems with up to 20 kWh of capacity remained stable in Europe in the first half of 2025. However, the picture is mixed....
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