Kraftwerksbatterie Heilbronn, the joint venture between German firms Bosch and utility EnBw, announced on April 13 it had commissioned a 5MW/5MWh lithium ion energy storage system for primary control reserve at EnBw’s coal-fired power plant in Heilbronn, Germany.
The ESS consists of 768 lithium ion modules that allow the transmission grid operator to balance frequency fluctuations in its power grid in southwest state of Baden-Württemberg.
The joint venture was registered in July 2017 to develop, plan, install, operate and market the project.
Minister president for the state of Baden-Württemberg, Winfried Kretschmann, started the ESS, one of the first of its kind to be integrated into the control technology of a major Germany power plant.
An EnBw spokesperson told ESJB: “The battery modules were delivered by a Korean company and assembled to a complete storage system by Bosch (including system design).
“Bosch’s contribution was its expertise in stationary storage solutions, with the technology company developing and installing the battery storage system itself. EnBW has been able to apply its experience in the energy sector and took the lead on the civil works and power grid connection on-site.”
Hans-Josef Zimmer, member of the executive board at EnBW, said: “We want to work together to help improve the reliability of the power supply and the flexibility of the energy system in Baden-Württemberg, so we can take the next step forward on the energy transition path.
“Today, it is primarily still the large power plants that generate the regulation energy needed for grid stability. And by doing so those large power plants ensure that a highly reliable power supply is made available.
“But things cannot stay that way. We are about to see a fundamental change to our energy system, as the focus moves away from this centralised approach.”
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