Taaleri SolarWind III Fund invests in Estonian 192 MW / 420 MWh battery storage project
Type: Investment · Technology: Storage · Country: Estonia · Capacity: 192 MW · Announced: 2026-09-23
Taaleri Energia's SolarWind III Fund has invested in the 192 MW / 420 MWh Raudsepa battery storage project near Tartu, Estonia, partnering with co-investor KJK Fund III and KJK Capital. Evecon developed the project in partnership with French independent power producer Corsica Sole, with Estonian contractor Smartecon set to build and install the battery on a turnkey basis using LG Energy Solution equipment and European-made Power Electronics inverters. Construction is scheduled to begin in September 2026, with full operation expected by November 2027. Raudsepa will generate revenue through electricity arbitrage and ancillary services under a multi-market optimisation strategy. This investment marks the SolarWind III Fund's first battery energy storage system project in Estonia and the fund's fifth investment in the Baltic countries, underscoring confidence in the market amid high power price volatility and the phase-out of oil-fired generation.
Analysis
Taaleri Energia's SolarWind III Fund invested in the 192 MW / 420 MWh Raudsepa battery storage project near Tartu, Estonia, alongside co‑investor KJK Fund III and KJK Capital. Evecon, the Stockholm‑based developer with €5 billion AUM, partnered with French independent producer Corsica Sole on the project. Spanish Power Electronics, which has installed 170 GW of AC power globally, will supply inverters, and LG Energy Solution will provide the battery cells. Construction by Estonian EPC Smartecon is scheduled to start in September 2026 with full operation targeted for November 2027, and the asset will earn revenue from electricity arbitrage and ancillary services under a multi‑market optimisation strategy.
Key points
- 192 MW / 420 MWh Raudsepa battery storage project near Tartu, Estonia
- Investment by Taaleri Energia's SolarWind III Fund with KJK Fund III and KJK Capital
- Developer Evecon holds €5 billion AUM; co‑developer Corsica Sole is a French independent producer
- Power Electronics has installed 170 GW of AC power globally; LG Energy Solution supplies batteries
- Construction start September 2026, commercial operation November 2027
Counterparties
- KJK Capital (Investor)
- Taaleri Energia (Investor)
- SolarWind III Fund (Investor)
- Evecon (Developer)
- KJK Fund III (Investor)
- Corsica Sole (Co-Developer)
- Smartecon (Epc)
- Power Electronics (Supplier)
- LG Energy Solution (Supplier)
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