New Slovenian battery projects to play vital balancing role
Date: February 7th 2023
Author: Valerija Hozjan
Category: En.vision
Topic:
Electricity
, Renewables
Several new battery storage projects that are being implemented in Slovenia will play an important role in balancing that country’s power system and enabling the faster integration of renewables.
Last week, gas-fired power plant operator Termolektrarna Brestanica (Teb), which is owned by the Slovenian energy group Gen, told Energetika.NET in an e-mail that this year it would be implementing a battery storage project with 10-40 MW of capacity. According to Teb, the battery storage system will "enable the smart management of energy from renewable energy sources" and also provide system balancing.The Slovenian company Ngen is planning to install their third battery storage system with 80 MW of capacity at the Slovenian aluminium producer Talum, near the town of Ptuj. It should be connected to the grid in 2024.
To date, Ngen has installed 20 MW and 15 MW battery storage systems at this site. In 2019, Ngen also installed a 12.6 MW battery system at the Slovenian steel producer Acroni in northwest Slovenia.
By the end of 2024, Ngen is expected to have installed around 140 MW of operational battery storage capacity, providing around 280 MW of system balancing flexibility.
Meanwhile, the Slovenian hydropower plant operator Dravske Elektrarne Maribor (Dem) is also planning to install two 30 MW battery storage units at the Mariborski otok hydropower plant. It has confirmed that it has already applied for a building permit, which should be issued by the end of March.
Furthermore, Dem intends to build the 440 MW Kozjak pumped-storage hydropower plant, which could also offer balancing for Slovenia’s power system.
And finally, the Slovenian company Gen-I is implementing a pilot project in the Slovenian village of Gradisce, which will use batteries together with solar plants and heat pumps to provide system balancing services.
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