Stem signs five-year PowerTrack EMS deal for Solarmarkt Hungary solar-plus-storage upgrades
STEM•Hybrid asset buildout and market strategy
Each 60 MWp solar plant will add a 40 MW/80 MWh battery system, creating two fully integrated hybrid assets.
Commercial operation of the hybridized plants is expected by September 2026.
Initial dispatch strategy targets Hungary’s aFRR ancillary-services market, with optional expansion to FCR as market conditions evolve.
Five-year EMS agreement for Hungarian solar-plus-storage projects
Stem signed a five-year agreement with Solarmarkt Group to deploy PowerTrack EMS across two operating utility-scale solar plants in Hungary.
The contract covers integrated EMS, power plant control, and SCADA for hybridizing the Szihalom and Hódmezővásárhely sites with 160 MWh of batteries.
