The first phase of construction on Voltalia’s grid-scale hybrid energy storage and renewables project in Uzbekistan is underway.
The French developer was able to begin construction on the Artemisya hybrid cluster at the end of 2025 after securing investment agreements on December 5, in the presence of the Uzbekistan President Shavkat Miromonovich. Artemisya’s first phase comprises 100 MW/200 MWh BESS and 100 MW of wind.
Voltalia previously signed a power purchase agreement (PPA) with the Uzbekistan government for the Artemisya project stipulating it would combine solar, wind and storage. The agreement is based on a 15-year contract for 100 MW/ 200 MWh of battery storage and a 25-year electricity sales contract for 126 MW solar and 300 MW of wind generation.
Artemisya is located in Uzbekistan’s Bukhara region. Commissioning is scheduled for late 2027 when construction is complete.
“The launch of this project demonstrates our commitment to supporting Uzbekistan in its energy transition,” said Voltalia’s CEO Robert Klein. “We are making a significant contribution to strengthening the country’s low-carbon power capacity. Hybrid solutions including storage play a key role in ensuring grid stability and optimizing the integration of renewable energy,” he added.
Klein also referenced Voltalia’s 126 MW solar PV Sarimay cluster, which started producing power in November 2025. Voltalia has 3.3 GW of capacity in operation and under construction globally, and a portfolio of projects under development with a total capacity of 17.4 GW.
Breaking ground on the Artemsiya hybrid project comes as Uzbekistan pursues ambitious renewables deployment targets, with multilateral development bank backing. Uzbekistan aims to have 8 GW deployed renewable capacity in 2026 and in October 2025, the European Bank for Reconstruction and Development (EBRD) agreed to finance two ACWA Power-led solar and storage projects in the Central Asian country for $142 million. The bank was also the main financier of Voltalia’s Sarimay project.
In May 2024, ESS News reported Uzbekistan was building its first big battery – a 63 MW system as part of a solar and storage project owned by Masdar. In August the same year, Saudi developer ACWA Power began construction on a 100 MW BESS and 200 MW wind power plant. ACWA Power subsequently signed an agreement with the Uzbek government to develop 2 GWh of standalone BESS capacity.
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