The Heilbronn Coal-Fired Power Plant – Battery Energy Storage System is a 5,000kW energy storage project located in Heilbronn, Baden-Wurttemberg, Germany.

The electro-chemical battery energy storage project uses lithium-ion as its storage technology. The project was commissioned in 2018.


The Heilbronn Coal-Fired Power Plant – Battery Energy Storage System was developed by EnBW Energie Baden-Wurttemberg and Robert Bosch.

The key applications of the project are frequency regulation and grid support services.

Contractors involved

EnBW Energie Baden-Wurttemberg and Robert Bosch have delivered the battery energy storage project.

Additional information

The project was developed by Kraftwerksbatterie Heilbronn a JV vehicle of German utility company EnBW and engineering firm Bosch. The project uses 768 lithium-ion battery modules and is used for primary control reserve – maintaining the frequency of the local grid within acceptable boundaries.

About EnBW Energie Baden-Wurttemberg

EnBW Energie Baden-Wurttemberg AG (EnBW) is an integrated energy utility. Through its subsidiaries, the company generates electricity and thermal energy; transmits and distributes, and trades electric energy and natural gas; and provides energy-related services. It produces electricity using hydro, nuclear, coal, natural gas, wind and solar sources. EnBW markets its offerings under the EnBW, Yello, NaturEnergiePlus, VNG, goldgas, GVS, PRE, Stadtwerke Dusseldorf, Erdgas Sudwest, ODR and ZEAG brands. The company also supplies water to its group entities. It serves retail, commercial, housing and agriculture sectors , redistributors, industrial customers, local authorities, municipal utilities and public entities in Germany and Europe. EnBW is headquartered in Karlsruhe, Baden-Wurttemberg, Germany.

About Robert Bosch

Robert Bosch GmbH (Bosch) is a subsidiary of Robert Bosch Stiftung GmbH. It is a supplier of technology and services. The company offers a wide range of products and solutions such as auto parts and accessories, eBike systems, motor vehicle technology, household appliances, security systems, solar inverters, packaging technology, industry solutions, and business process management solutions. Along with sales and service partners, subsidiaries and regional companies, the company serves customers in the automobile industry, Do it Yourself market, consumer electronics and BPO industries across in the Americas, Europe, Asia Pacific and Africa. Bosch is headquartered in Gerlingen, Germany.


All publicly-announced energy storage projects included in this analysis are drawn from GlobalData’s Power IC. The information regarding the projects are sourced through secondary information sources such as country specific power players, company news and reports, statistical organisations, regulatory body, government planning reports and their publications and is further validated through primary from various stakeholders such as power utility companies, consultants, energy associations of respective countries, government bodies and professionals from leading players in the power sector.