The pumped hydro energy storage system will play into the Nord Pool Spot power market. Image: Energiesalv.
Construction on a 550MW/6GWh pumped hydro energy storage project in Estonia will begin in summer 2024 after it was given the green light by regulators.
The project, Energiasalv, uses a Zero Terrain structure whereby it is built mostly underground, minimising the environmental and land use impact.
It will be built in Paldiski, in the northwest of the Baltic country, with commercial operations expected by 2028. It will provide flexibility services on the Nord Pool Spot power market, which covers the Nordic and Baltic regions together.
The project is co-owned by Estonia-based holding company Alexela, renewable energy developer Sunly, and Vool OÜ, a firm owned by the CEO of the project’s holding company Peep Siitam.
“Having completed our permitting…