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24 Sep 2026

Machine translation of the Polish original. Read the original in Polish

Finnish fund invests in the largest energy storage facility in the Baltic region

The Taaleri SolarWind III fund is developing a 420 MWh energy storage project in Estonia and announces further plans, including for Poland.

The Baltic Sea region is becoming an increasingly important destination for energy storage investment, supporting the growing share of renewable sources in regional energy systems.

A record-breaking project in Estonia

The Finnish fund Taaleri SolarWind III is developing a 420 MWh energy storage project in Estonia, described as the largest facility of its kind in the entire Baltic region. An investment of this scale shows how much importance energy storage is gaining in the Baltic countries.

Plans extend to Poland as well

The fund announces that its investment plans also include the Polish market. This is good news for the domestic energy sector – foreign capital increasingly sees Poland as an attractive place to develop energy storage infrastructure.

  • Large energy storage facilities support grid stability as the share of solar and wind energy grows.
  • Investments by foreign funds in the Baltic region show growing confidence in the energy market of this part of Europe.
  • Announcements of expansion into Poland may mean further storage projects in the coming years.

Investments of this kind are part of a broader trend in the development of energy infrastructure in the Baltic Sea region, which is becoming an increasingly important link in Europe's energy transition.

For NRG+, this confirms that investment capital is increasingly flowing towards energy storage accompanying photovoltaic farms – including those we are developing on leased land in Poland.

Sources

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