Slovak Market Outlook for Renewables 2025_SAPI
It covers key technologies, including solar PV, onshore wind, hydropower, bioenergy, geothermal energy, and, for the first time, battery energy storage systems.
There are currently 479 utility-scale ground-mounted solar PV plants with almost 586 MW of installed capacity and 528 MW of rooftop PV systems in Slovakia. The largest solar PV plant to-date was commissioned in 2024 in the municipality of Iliašovce (Košice Region) with installed power at 6.3 MW.
This means that over 1,000 residential PV systems put into operation in Slovakia in 2024 could have been equipped with a BESS, resulting in a total additional storage capacity of nearly 7,200 kWh for this category of sources.
At the end of 2024, solar PV market in Slovakia peaked at a cumulative installed power of 1,114 MW. This total is a combination of DC and AC power owing to the fact that until 2022 all data were reported only at DC side and from 2023 onwards new installations are defined at AC nominal inverter output.
Slovakia has experienced a steadily accelerating trend in installed solar PV capacity. Notably, the additions of 267 MW and 274 MW in the past two years have shifted the business-as-usual trajectory upward.
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