PV park Kaolinovo repowered to 60 MWp and 33 MW/110 MWh BESS in Northeast Bulgaria

Subscribe to our newsletter and get the latest news and business opportunities in your inbox

Renalfa IPP completed the repowering of its PV park Kaolinovo in Northeast Bulgaria, and the plant is now fully operational. Project Kaolinovo had a nominal capacity of 10 MWp and has been operating since 2012. After the repowering, the solar park now has an installed capacity of 33 MWp and a co-located battery energy storage system (BESS) with a capacity of 33 MW/110MWh. The project manager and EPC contractor of the project was Solarpro Bulgaria.

Renalfa IPP is an Austrian joint venture between Renalfa Solarpro Group, a clean energy and e-mobility company based in Vienna, and French renewable energy infrastructure fund manager RGREEN INVEST. Renalfa IPP is one of the leading investors and developers of renewable energy projects in Central and Eastern Europe, with more than 554 MW of operational generating assets, more than 455 MW/ 1008 MWh implemented BESS, over 1 GW of projects in construction, and 1 GW of projects in late-stage development. The company is active in Hungary, Romania, Bulgaria, and North Macedonia.

List of the country updates

Country updates

  • October 15, 2025

    Renalfa switches on 260 MWh battery storage system in Bulgaria

    Vienna-based independent power producer Renalfa IPP has commissioned the first phase of a large-scale battery energy storage system (BESS) in Bulgaria. The BESS is the first phase...

    Read more
  • June 18, 2024

    55 MWh battery storage system goes live in Bulgaria

    Vienna-based developer Renalfa IPP has started commercial operation at its 25 MW/55 MWh battery energy storage system (BESS) located in the city of Razlog, southwestern Bulgaria. Razlog’s BESS...

    Read more
  • July 26, 2023

    Rezolv Energy plans 229 MW solar PV project in Silistra

    Rezolv Energy has completed the acquisition of the rights to build the largest solar plant in Bulgaria, the 229 MW St. George solar photovoltaic (PV) project which will be located in the municipa...

    Read more
  • July 13, 2023

    Electrohold plans 100 MW solar PV project in Stara Zagora

    Electrohold, a unit of Eurohold Bulgaria, plans to develop and construct a 100 MW solar photovoltaic project that will be located near the town of Maglizh in the southern region of Stara Zag...

    Read more
  • June 23, 2023

    SUNOTEC commissions 123 MWp solar PV project in Dupnitsa

    SUNOTEC has commissioned Bulgaria's largest solar power plant, the 123 MW Verila Solar Park project. The plant will supply green energy to telecom companies for the next 10 years under a power purchas...

    Read more

Share this update