Siemens to build one of Europe’s most powerful battery storage facilities
Siemens Smart Infrastructure and Zukunftsenergie Nordostbayern have signed a letter of intent for the construction of a 100-MW battery storage facility in Wunsiedel, Germany.
The plant, with a storage capacity of 200 MWh, is intended to use surplus renewable energy and cover demand peaks in the power grid. The 5,000 square metre energy storage facility is capable of supplying 20,000 average households with electricity for a year.
The lithium-ion battery storage system will be provided by Fluence, a joint venture between Siemens and power distribution company AES. Siemens will handle project management, including a technical implementation concept, as well as the construction of a medium-voltage switchgear system and connection to the high-voltage grid. Among other things, the letter of intent also includes the development of a financing concept.
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“Electricity storage facilities are an important building block for shaping the future of energy,” said Marco Krasser, Managing Director of SWW Wunsiedel, one of the partners in Zukunftsenergie Nordostbayern.
“They can help stabilise the grid and make better use of energy generated from renewable sources. They draw surplus power from the grid and feed it back when electricity demand is higher. Smart storage technology will increase the local and national supply of green power. That is why we are gradually expanding the capacity.”
The planned storage system from Fluence will be able to store and release large amounts of green power. This will allow for more flexible use of clean energy beyond the hours of production, including during periods of expensive peak load.
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“This also benefits the upstream grid operator because it gives them more flexibility to compensate for voltage fluctuations, which are increasingly common because of the expansion of renewable energy generation,” said Bernd Koch, head of Technology Performance Services at Siemens Smart Infrastructure Germany.
Earlier in July, the company launched the construction of a hydrogen generation plant with a capacity of 8.75 MW in Wunsiedel. Once operational in 2022, the facility will produce up to 1,350 tonnes of hydrogen per year using only renewable energy.
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