“Building energy storage is a necessary condition for stable and safe decarbonization of the power system,” they believe. Renewable energy sources, such as wind or solar, are de facto uncontrollable. This means that they sometimes produce too much, and sometimes too little energy relative to demand. Energy storage can help stabilize this.
Poland plans to build three new power plants
In Poland, the main energy storage facilities are currently pumped-storage power plants (PSP). PIE reports that in July they accounted for over 85 percent of installed capacity. However, these are relatively old installations. The newest one was built in 1997.
Poland, however, is to return to the construction of this type of power plant. Three new facilities are planned (Młoty, Tolkmicko and Rożnów II) with a total capacity of 2.5 GW. This would mean an increase in the existing ESP capacities by over 170%. Until now, Polish pumped-storage power plants were responsible for about 4% of the EU capacity.
There is an alternative to pump-storage power plant
However, these are not the most optimal energy storage devices. They are being replaced by more modern, electrochemical batteries. They have been operating in Poland since 2022. Their advantage over pumped-storage power plants, which are dependent on water, is the freedom of location. The volume of energy obtained using these modern batteries is constantly growing.
“In the latest (eighth) auction, battery storage facilities collected contracts for over 1.7 GW of capacity, which is a 10-fold increase compared to the previous auction. The volume contracted for 2028 is diametrically different from the total capacity of batteries connected to the grid as of 2023, which amounted to approx. 15 MW,” PIE analysts calculate.
Source: Gazeta
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