Renewables

Hidroelectrica picks contractor for PV systems on 20 hydropower plants

Hidroelectrica contractor PV systems 20 hydropower plants

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Published

May 16, 2025

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Published:

May 16, 2025

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Romanian state-owned hydropower plant operator Hidroelectrica signed a deal with Servelect and subcontractor Electroplus, which need to install solar panels on the roofs of 20 hydroelectric plants. They are on the middle and downstream parts of the Olt river.

Combining hydropower with photovoltaics including floating solar power plants is becoming popular. The two sources are compatible, especially if there is a dam, as it can save water in reservoirs. The grid infrastructure for PV panels is already there and there are usually no land ownership issues. Hidroelectrica, which mostly operates hydropower plants, is about to solarize its existing facilities.

The Romanian state-owned company pursuing diversification signed an agreement with Servelect and its subcontractor Electroplus. There were four bids in the tender.

First solar power project for Hidroelectrica

Solar power systems will be on the roofs of 20 hydropower units on the middle and downstream sections of the Olt river. Hidroelectrica, listed at the Bucharest Stock Exchange since 2023, turnkey deal, said it aims to optimize production costs. However, it didn’t reveal whether it would operate the colocated assets jointly, as hybrid power plants.

Hidroelectrica is the largest electricity producer in the country, but it will be its first solar power units. The deal, for an overall 2.96 MW, is worth EUR 1.77 million excluding value-added tax. The deadline is 24 months, of which four months for the design.

Servelect, Electroplus responsible for all phases from procurement to commissioning

The utility also tasked the two firms, based in Cluj-Napoca, with manufacturing and procurement, transportation, testing and commissioning. The PV systems would consist of 620 W panels and 100 kW inverters. Hidroelectrica estimated the combined annual output at 3.71 GWh.

The company operates 188 hydropower plants, 6.4 GW overall, and the Crucea Nord wind park of 108 MW. Earlier, Hidroelectrica and Masdar were considering a pilot project, under an upcoming joint venture, for floating solar power plants on seven reservoirs, also on the Olt.

Servelect is active in engineering and energy services. It was founded in 2005. Electroplus, which handles electrical installations, operates since 2001.

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