Kehua has successfully delivered and connected a state-of-the-art large-scale battery storage system for Austria’s Innsbrucker Kommunalbetriebe (IKB) at the Obere Sill Hydropower Plant. According to Tirol ORF, the regional branch of the country’s national public broadcasting service, “This is the first of its kind in Tirol and is intended to help balance fluctuations in power supply. It can also play an important role during power outages.”
Project overview
Capacity: 3.45MW/6.88MWh
Solution: Kehua 3.44MWh 20ft-container AC&DC energy storage turnkey solution
Scenario: Hydropower plant retrofit BESS Project
Commission time: December 2025
As the turnkey solution provider, Kehua supplied a comprehensive battery storage system that integrated seamlessly with existing infrastructure, designed to enhance energy stability, support renewable integration and improve overall grid resilience.
The project features advanced inverter technology, which is less temperature-dependent, better protected against extreme weather conditions such as snow and ice, and equipped with noise reduction measures. These improvements ensure reliable operation under various environmental conditions, aligning with IKB’s goal of securing a sustainable and resilient energy supply.
Kehua has to date deployed over 400 grid-forming microgrid systems worldwide, with total grid-forming storage shipments surpassing 3 GW. Its projects span critical regions and a variety of scenarios, including off-grid, strong grid, weak grid and hybrid applications, combining grid-forming and grid-following solutions.