Study. Former power plant sites are well suited for large battery storage systems

In the short study »Battery Storage at Former Power Plant Sites«, the Fraunhofer Institute for Solar Energy Systems ISE investigated the »systemic and grid benefits« of large battery storage systems on the German power grid. The team of authors led by Bernhard Wille-Haussmann, Group Leader Grid Operation and Planning at ISE, concludes that up to 65 percent of the demand for such systems that will arise by 2030 could be installed at the sites of former fossil or nuclear power plants.
According to ISE calculations, the planned expansion of renewable energy will require around 100 gigawatt hours (GWh) of battery storage capacity by 2030. By 2045, the demand will grow to 180 GWh. Former nuclear power plant sites offer 26.8 GW of connected capacity; adding coal-fired power plant sites yields 67.6 GW. Other advantages of these sites include »the land already secured and accepted for the power industry, the existing high-quality infrastructure, and the skilled workforce.« In addition, costs incurred for the demolition of power plant buildings »could be saved or reallocated.«

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