Expanding Slovenia's Largest Solar Complex
Slovenian state-owned utility HSE has started trial operation of the Prapretno 2 and 3 solar plants, significantly expanding the site to a total of 9.8 MW of solar capacity. This expansion establishes the site as Slovenia’s largest operating photovoltaic complex, highlighting the country's commitment to renewable energy deployment and regional decarbonization.
Integrating 7-MW Battery Storage
The hybrid complex includes a newly installed 7-MW/14-MWh battery energy storage system (BESS) designed specifically for electricity shifting and grid support. By storing excess solar generation during peak production hours, the BESS ensures a more stable and dispatchable power output, maximizing the value of the solar assets and providing essential balancing services to the local grid. The successful commissioning of this hybrid complex not only enhances local grid stability but also sets a precedent for future renewable energy developments in the Balkans.
Repurposing Former Coal Plant Land
A key aspect of the Prapretno project is its location. The facility is built on redeveloped former coal plant ash deposit land, demonstrating a successful transition from fossil fuel infrastructure to clean energy generation. This brownfield development minimizes land use conflicts and accelerates the decarbonization of the region, turning legacy industrial sites into modern, sustainable energy hubs.
EU Just Transition Fund Support
Notably, the Prapretno 2 and 3 solar and storage project is the first renewable project in Slovenia to receive co-financing from the EU Just Transition Fund. This financial support underscores the European Union's broader strategy to assist member states in redeveloping former coal regions and ensuring a fair transition to a climate-neutral economy.
The integration of battery storage at Prapretno serves as a model for how EU funding can effectively catalyze hybrid renewable projects in transitioning coal regions.
Source: Electricity.trade / SEE Energy News
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