Iqony Battery System GmbH, headquartered in Essen, was founded for the construction, operation and marketing of large battery systems and for investing in related projects. The company is a 100% subsidiary of Iqony GmbH (formerly STEAG 2. Beteiligungsgesellschaft mbH) and thus also of STEAG GmbH. In Q1 2017 the company took over six standardized large battery systems with a rated power of 15 MW each at a purchase price of EUR 85.9m; as of 31 Dec 2024 it reports fixed assets of roughly EUR 49.4m. Revenue for fiscal year 2024 amounted to EUR 10,811,845 and net income to EUR 2,430,417.
Der Bau, der Betrieb und die Vermarktung von Großbatteriesystemen sowie die Investition in entsprechende Projekte.
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Source: German Commercial Register (Handelsregister) Essen Local Court, HRB 27466 (as of 10 October 2026)
Source: German Commercial Register (Handelsregister) Essen Local Court, HRB 27466 (as of 10 October 2026)
Source: German Commercial Register (Handelsregister) Essen Local Court, HRB 27466 (as of 10 October 2026)
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Source: German Commercial Register (Handelsregister) Essen Local Court, HRB 27466 (as of 10 October 2026)
