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The Solar Energy Association of Ukraine estimates that the country added 1.6–1.9 GWh of energy storage in the first half of 2026, with full-year additions projected at around 3.2 GWh. The preliminary outlook depends on security, financing and grid connections, while the association says distributed power and storage help maintain electricity supplies during outages.
Ukraine added an estimated 1.6–1.9 GWh of energy storage in the first half of 2026, according to preliminary figures from the Solar Energy Association of Ukraine (SEAU). The association puts the indicative full-year total at around 3.2 GWh, while warning that security, financing and grid connections will shape deployment. The additions matter as Ukraine seeks to keep businesses, households and critical services supplied during wartime disruption.
SEAU’s estimate gives a range rather than a single final figure: 1.6 GWh to 1.9 GWh of new storage capacity between January and June. The association’s outlook for the full year is about 3.2 GWh. These are preliminary assessments, and SEAU has not provided a detailed breakdown in the supplied report explaining the range or how much capacity is operational.
The same preliminary assessment says Ukraine added as much as 1.1 GW of solar capacity in H1. SEAU estimates the country’s total installed solar capacity was between 9.4 GW and 9.7 GW by midyear. It expects solar additions for all of 2026 to reach around 2 GW, following approximately 800 MW in 2024 and 1.5 GW in 2025.
SEAU says many of this year’s solar projects are small. Installations of up to 1 MW, mainly intended for self-consumption, are expected to account for around 80% of new installations by number in 2026. That share refers to project count, not installed capacity. The association describes the estimate as part of its analysis; it does not mean that small installations will provide 80% of the year’s new solar power.
Storage for Wartime Power Resilience
Battery systems can store electricity for use when supply is interrupted or when local generation falls. SEAU board chairman Vladyslav Sokolovskyi told pv magazine that distributed generation and storage have become important to Ukraine’s energy security. He said they can help keep businesses, households and critical infrastructure supplied during wartime conditions.
For companies, Sokolovskyi said, the value of storage includes avoiding losses when essential operations can continue through a disruption. Batteries can also allow solar users to consume more of the electricity they generate and reduce their electricity costs, he said. Those are explanations of potential benefits, not a quantified assessment of savings across the Ukrainian market.
The scale of the reported additions is relevant to a power system dealing with damage to generation and electricity networks. Sokolovskyi said Ukrainian energy experts estimate the system needs around 10 GW of new and restored generating capacity across different technologies. He also linked shortages and network damage to recurring outages and greater reliance on electricity imports from neighbouring EU countries. The report does not quantify how much H1 storage has reduced outages or imports.
Growth After a Strong 2025
SEAU’s market data puts Ukraine’s new battery storage capacity at 2.9 GWh in 2025, which it says made the country Europe’s fourth-largest market that year. Sokolovskyi cautioned that the figure spans several market segments, including portable battery systems widely used for backup power. It should not be read as a measure solely of grid-scale installations.
The new H1 estimate follows that reported 2025 expansion, but comparisons need care: the figures cover multiple segments and the source does not provide a like-for-like breakdown of project types, operating status or measurement method. SEAU’s 3.2 GWh projection is an outlook, not a reported final 2026 result.
Ukraine has also updated its solar feed-in tariffs this year and more recently introduced time windows for eligibility, according to the report. Later in the week covered by the report, state-owned JSC Guaranteed Buyer was scheduled to hold two solar auctions offering a combined 150 MW. The auctions concern solar generation; the source does not say they directly procure battery storage.
““Our 2026 outlook for both solar and storage remains conditional on security, access to financing and grid connections.””
— Vladyslav Sokolovskyi, SEAU chairman of the board, speaking to pv magazine
Forecasts Face Security and Grid Risks
The H1 storage figure is preliminary, and the published material does not explain why the estimate spans 1.6 GWh to 1.9 GWh. It also does not specify how much of the reported capacity is installed, connected to the grid or available to supply power. The source describes market data that includes portable backup systems, so the estimate covers more than one type of storage.
SEAU’s full-year estimate of around 3.2 GWh could change. Sokolovskyi said the outlook depends on security, financing and grid connections, and that forecasting deployment through the end of 2027 is particularly difficult. The report gives no final H1 tally or later update confirming whether the forecast will be met.
The report also does not quantify the effect of storage additions on outages, import dependence or the amount of generation capacity lost through attacks and occupation. The association’s estimate of around 10 GW in new and restored generation comes from Ukrainian energy experts as cited by Sokolovskyi; the report does not provide a separate methodology or timeline for that estimate.
Auctions and Deployment Conditions
The near-term event identified in the report is JSC Guaranteed Buyer’s planned pair of solar auctions, offering 150 MW combined. Their results may provide a further indication of activity in Ukraine’s solar market, though the report does not state when projects selected through the auctions would be built or connected.
For storage and solar deployment, SEAU has called for faster restoration and protection of energy infrastructure, support for distributed generation, insurance and guarantees against war-related investment risks, and clearer grid-connection procedures. Its priorities also include closer integration with the EU electricity market, more accessible concessional financing and microgrids combining solar and storage with other sources where needed.
Further updates would be needed to establish the final 2026 additions and whether they approach SEAU’s 3.2 GWh storage outlook. The pace will depend on security conditions and on whether financing and grid access allow projects to move from investment plans to operating capacity.
Key Questions
How much energy storage did Ukraine add in the first half of 2026?
SEAU’s preliminary estimate is between 1.6 GWh and 1.9 GWh. The association has not provided a final figure in the supplied report.
What is the forecast for the full year?
SEAU’s indicative outlook is around 3.2 GWh of storage additions in 2026. The association says the outlook depends on security, financing and grid connections.
Does the storage figure refer only to large grid batteries?
No such restriction is specified. SEAU’s 2025 market data included several segments, including portable backup systems; the report does not give a detailed segment breakdown for the H1 2026 estimate.
How much solar capacity did Ukraine add in H1?
SEAU’s preliminary assessment says Ukraine added as much as 1.1 GW of solar capacity in the first half of 2026. It estimates total installed solar capacity at 9.4–9.7 GW by midyear.
What could affect the full-year storage total?
SEAU chairman Vladyslav Sokolovskyi cited security, access to financing and grid connections as conditions for the 2026 outlook. The report does not provide a final year-end result.
Source: rss
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