December 2, 2025

by AEA in News

Premier Energy acquires 400 MWh battery energy storage project

Premier Energy has acquired a project for a 400 MWh battery energy storage system at a site near Iași, Romania’s third-largest city.

Premier Energy Group has announced the acquisition of 100% of a ready-to-build project for a battery energy storage system (BESS).

The planned power input and output is 200 MW, while the energy storage capacity would be 400 MWh.

Premier Energy Group is an electricity producer, distributor and supplier as well as natural gas distributor and supplier in Romania and Moldova. It owns and operates a total capacity of 1,100 MW.

The investment is estimated at EUR 75 million

The company has 328 MW in renewable energy projects under construction and in the pipeline.

Premier Energy revealed that the total development and construction cost of the battery near Iași is estimated at EUR 75 million. The firm’s management is currently in advanced discussions on financing options for the project, the update reads.

It expects to secure a long-term financial structure, while the BESS project would be commissioned in late 2026 or early 2027.

Garza: It will be among the largest battery plants in Southeastern Europe

In a market characterized by significant 15-minute price fluctuations and an increasing number of prosumers, the facility will enhance flexibility, reduce system costs and support the efficient integration of renewable generation, the company underscored.

According to José Garza, Premier Energy Group CEO, the project aligns naturally with its strategy of building a more flexible, integrated electricity platform in Romania.

“Its scale places it among the largest battery plants in Southeastern Europe, and it will support the market by helping to alleviate intraday price volatility, improve grid stability and complement our renewable production and supply activities,” he added.

Stohr: Large-scale storage enhances the efficiency of the entire value chain

Peter Stohr, Premier Energy Group CFO, explained that large-scale storage enhances the efficiency of the entire value chain, from production to supply, and creates important synergies with the company’s existing portfolio.

“We are already engaged in discussions with a major CEE financial institution regarding the project’s financing, and we are confident that this asset will integrate seamlessly into our broader energy platform,” he stated.

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October 30, 2025

by AEA in News

Repono acquires BESS project for 404 MWh in Romania

Swedish energy storage operator Repono has completed the acquisition of a 202 MW / 404 MWh battery energy storage system project located in Romania’s Argeș county.

Romania has become one of the most active markets for battery energy storage system (BESS) projects in South East Europe.

Developed by a domestic firm, the Argeș project reached a ready-to-build stage, Repono said. The investment benefits from a grid connection contract with the country’s transmission system operator Transelectrica. The entry point is the 220 kV Pitești substation, northwest of Bucharest.

Once operational, it will be among the largest grid-scale storage assets in Southeast Europe, capable of storing and releasing enough energy to supply more than 120,000 four-person households during peak-demand periods, according to the company.

The partnership with local developers includes a framework for additional energy storage projects

A partnership with local developers is set to drive significant future growth for the firm, based in Sweden.

It includes a framework for additional energy storage projects across Romania with a combined capacity of up to 1.4 GW, reinforcing Repono’s long-term commitment to the market, the update reads.

“This transaction represents an important milestone for Repono AB and demonstrates our continued commitment to developing large-scale storage infrastructure that supports Europe’s energy transition,” CEO Karim Nils Grueber stated.

De Kool: Large-scale storage assets are key enablers of a stable European power system

The Argeș project’s market optimization will be handled by Gunvor, in collaboration with Vienna-based optimiser Enspired. They are tasked with managing the energy offtake and market strategy to ensure the BESS is efficiently integrated into the Romanian and regional power markets.

According to Harmen de Kool, Chairman of the Board of Repono and a representative of InnoEnergy, large-scale storage assets like the one in Argeș are key enablers of a stable and decarbonized European power system.

It further fortifies InnoEnergy’s aim to achieve carbon neutrality, he added.

With this acquisition, Repono continues to expand its European portfolio of grid-scale BESS, with active developments spanning Germany, Romania, Italy, Austria, and Poland.

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October 30, 2025

by AEA in News

Romanian power distributor Electrica to build 15 battery systems totaling 1 GWh

Romanian power supplier and distributor Electrica has initiated a permitting procedure for the construction of 15 battery energy storage parks, with a combined capacity of about 1 GWh, aimed at providing flexibility to the national grid and supporting the integration of renewable energy sources.

The battery energy storage systems (BESS) would boost Electrica’s ability to respond dynamically to fluctuations in consumption and production within the national energy system. It should also enable the efficient integration of growing renewable capacities in Romania, significantly reducing price volatility and dependence on imports, according to a press release from Electrica.

Electrica’s new battery capacity is expected to reduce price volatility and dependence on energy imports

“Developing this 1 GWh storage infrastructure is a strategic pillar in Electrica’s transformation into a leader of the energy transition,” the company said, adding that the battery systems would be built on Electrica’s own land, leveraging assets from its existing portfolio.

“This project is not just about technology or capacity; it is about redefining how Romania manages energy security for the decades ahead,” said Alexandru Chirița, Electrica’s CEO. He also stated that the timeline for the project was “ambitious,” according to the press release.

The BESS capacities will be distributed across Romania

The project, part of Electrica’s 2030 strategy, will be developed in phases, with BESS installations distributed across Romania. The first phase is expected to bring a significant portion of the storage capacity online already in 2025, according to a report by PVknowhow.com.

Battery energy storage is on track to become another pillar of Romania’s energy transition, as investors increasingly develop BESS capacities combined with solar, hydropower, and wind, or as standalone energy storage facilities.

Romania is supporting BESS projects for renewables integration with subsidies provided from its national recovery and resilience plan (NRRP). In September last year, the Ministry of Energy awarded grants to 13 projects.

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