battery storage
One year in: insights from REIB’s inaugural BESS investments and increasing importance of safety standards
12 September 2025 - We sat down with Delyan Iliev, Managing Director of REIB, to discuss the lessons learned from commissioning and operating two BESS projects and how the experience relates to broader market trends
Greece loses EU grant intended for renewable electricity for vulnerable consumers
11 September 2025 - The ambitious Apollo program is losing a EUR 100 million EU grant for renewables and storage, intended to lower energy costs for vulnerable consumers
Serbia’s EPS plans to build 500 MW of wind farms with strategic partner
05 September 2025 - A 1,000 MW solar power project is expected to be online by 2029, according to Aleksandar Latinović, Head of Ancillary Services at EPS
Bulgaria opens public consultation on subsidies for 1.9 GWh of battery projects
27 August 2025 - Bulgaria’s Ministry of Energy is launching a new round of subsidies for battery energy storage projects, worth EUR 118 million.
Agios Efstratios becomes Greece’s first energy-autonomous island
22 August 2025 - A hybrid energy project transforming Agios Efstratios into the first energy-autonomous island in Greece is in trial operation
Investors in standalone batteries in Greece request extension as deadline looms
22 August 2025 - September 30 marks a crucial deadline for standalone battery projects selected through Greece's first two auctions
Dozens of airports in Southeastern Europe invest in solar power, energy efficiency
21 August 2025 - Airports in Istanbul and Athens will be completely self-reliant with their large solar power plants, and many other airports in the region are catching up
Prosumers in Romania are neck and neck with commercial PV plants in capacity
20 August 2025 - Prosumers in Romania don't have a much larger total capacity anymore than commercial solar power plants, a segment accelerating in expansion
Cyprus TSO favored in national battery storage tender
19 August 2025 - Cyprus is rushing to deploy a centralized battery storage system, under indirect state control, on the transmission grid
Battery storage investors in Romania rapidly expanding project pipeline
16 August 2025 - In an rising investment wave, firms in Romania are combining energy storage with solar, wind and hydropower or building standalone systems
Bulgaria to add batteries of up to 10,000 MWh in capacity within months – ESO
12 August 2025 - Bulgaria’s Electricity System Operator has received grid connection applications for batteries with 12 GW in total capability
First part of Tenevo PV plant comes online, batteries are under construction
12 August 2025 - The largest hybrid power plant in Bulgaria is beginning to take shape as the Tenevo PV park came online and the BESS is under construction
100,000 home batteries in California act as 500 MW power plant
11 August 2025 - Residential batteries provided over 500 MW of capacity to the California power system during the test event
NGEN Group launches 9.4 MW battery project in Poland; more large-scale investments underway
07 August 2025 - NGEN Group launched an energy storage project in Poland, which is a significant step in its expansion into the country's market
Bulgaria on track to add 1.5 GW of solar power by mid-2026
05 August 2025 - The pace of large photovoltaic projects in Bulgaria indicates that total capacity can reach 6 GW by the middle of next year
Bulgaria preparing more BESS subsidies amid boom in construction of large facilities
04 August 2025 - Bulgaria is reportedly working on a public call for EUR 120 million for investments in battery energy storage systems of 1.5 GWh overall