hydro

Serbia: Djerdap 1 hydropower plant operating at reduced capacity due to low water levels

The Djerdap 1 hydropower plant is currently operating under limited water supply, which has significantly reduced its electricity production. This month, generation has averaged about 57% of both its installed capacity and the planned production target. Additionally, unit 6 of the plant is undergoing a major overhaul. Ongoing drought conditions and unusually low water levels […]

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Europe: EU boosts fossil fuel power as wind and hydropower decline in early 2025

A sharp decline in electricity output from wind and hydropower plants prompted the European Union to increase its reliance on gas and coal generation in the first half of 2025. This shift led to the largest annual rise in fossil-fuel electricity production since 2017 and caused a 9 percent increase in carbon dioxide emissions compared

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Slovenia: Hydropower output drops sharply in June amid low rainfall

In June 2025, hydropower plants on Slovenia’s Drava, Sava, and Soča rivers delivered 341 GWh of electricity to the transmission network—just over 60% of the volume produced in June 2024 and 18% below initial forecasts. The decline was most pronounced in the Sava basin, where reduced rainfall significantly impacted production. Power plants on the upper

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Bulgaria: Sofia to generate clean energy with in-pipe hydropower turbines

The municipal government of Sofia has approved a project to install hydropower turbines within its existing water supply system. This initiative was formalized through a Memorandum of Cooperation signed by Mayor Vasil Terziev and Francois Deberg, Regional Director of Veolia’s local water division. Mayor Terziev emphasized that the project supports Sofia’s vision of becoming a

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Bosnia and Herzegovina: HPP Visegrad’s June output drops 43% amid ongoing decline in hydropower generation

Hydropower plant Visegrad, operated by “Hidroelektrane na Drini”, a subsidiary of the power utility ERS, generated 33.74 GWh of electricity in June 2025 — a 43% decrease from May’s output of 59.11 GWh. Compared to June 2024, when the plant produced 36.25 GWh, output is also slightly lower. In 2024, the plant produced a total

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Bosnia and Herzegovina: Bileća Lake water levels drop, but electricity supply in Republic of Srpska remains stable

The water level at Bileća Lake has fallen twelve meters below the planned level due to an unusually dry year. However, this shortfall does not pose a threat to electricity supply for consumers in the Republic of Srpska (RS), according to Ivan Koprivica, Executive Director for Technical Affairs at the ERS power utility. Currently, the

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Bulgaria advances nuclear expansion and pump-storage hydropower to support green energy transition

The Bulgarian Government has placed high priority on expanding the Kozloduy nuclear power plant with two new reactors and developing four additional pump-storage hydropower facilities. These flagship projects aim to establish a secure, competitive, and environmentally friendly energy system aligned with EU climate objectives. Energy Minister Zhecho Stankov announced that unit 7 at Kozloduy is

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Montenegro: EPCG receives bids for new turbine at Perucica hydropower plant to boost capacity by 2027

Montenegro’s state-owned power utility EPCG has received two bids for the construction, delivery, installation, and commissioning of the new A8 turbine at its Perucica hydropower plant. The first bid was submitted by a consortium consisting of Voith Hydro from Austria, Končar from Croatia, and Elnos from Serbia. The second offer came from Slovenia’s Litostroj Power.

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Bosnia and Herzegovina: ERS cancels feasibility study tender for Ustibar HPP amid cost-cutting claims and legal disputes

Under the pretext of cost rationalization, the state-owned power utility ERS has cancelled a €1.8 million tender for the feasibility study of the Ustibar hydropower plant (also known as Mrsovo 2). The move followed three failed attempts to award the contract to a consortium led by Serbia’s Energoprojekt Hidroinženjering, working alongside the local Waterworks Institute.

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Bosnia and Herzegovina: HPP Visegrad reports significant drop in May 2025 electricity production

Hidroelektrane na Drini, a subsidiary of the power utility ERS that operates the Visegrad hydropower plant, announced that the plant generated 59.11 GWh of electricity in May 2025. This represents a 48% decrease compared to April 2025, when production reached 113.76 GWh. Compared to May 2024, output was slightly higher, as the plant produced 54.02

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