According to foreign media reports, Sungrow has reached a cooperation with Sunterra RE, a Bulgarian renewable energy developer, to deploy a 1GWh battery energy storage system in three of Bulgaria’s largest photovoltaic power stations; Caili Energy has won a 430+MWh energy storage procurement project in Bulgaria, which will be officially launched in August 2025.
The overseas market has become a must – have for new energy enterprises and is achieving more and more results.
Recently, both Sungrow and Caili Energy have signed energy storage orders in Bulgaria in the European market, with a total scale exceeding 1.4GWh.
Sungrow wins 1GWh energy storage order
According to foreign media reports, Sungrow has reached a cooperation with Sunterra RE, a Bulgarian renewable energy developer, to deploy a 1GWh battery energy storage system in three of Bulgaria’s largest photovoltaic power stations.
This agreement marks the second phase of Sunterra RE’s plan to expand energy storage capacity, which will more than triple the current 300MW energy storage scale.
Sungrow will be mainly responsible for the production, testing and delivery of its PowerTitan 2.0 system. It is understood that China Innovation Aviation is Sungrow’s main cell supplier.
Sunterra RE stated that the new energy storage system will improve the power generation performance of photovoltaic power stations, transfer electricity from noon to peak electricity consumption periods, reduce power grid interruptions, stabilize residential electricity prices and enhance the safety of the entire energy system.
This is another order in the European market obtained by Sungrow after winning a 2.4GWh order from SUNOTEC, a leading European solar energy solution provider, in July.
Caili Energy wins a large 430 + MWh energy storage order
Caili Energy has won a 430 + MWh energy storage procurement project in Bulgaria.
The projects will be officially launched in August 2025, completed and delivered by the end of December of the same year, and are expected to be completed and put into operation by the end of March 2026.
Caili Energy will provide solutions covering the entire life cycle of the project. Through highly modular design, long – life battery technology, and combined with precise charging and discharging interval control, it ensures that the energy storage system can maintain long – term and stable high – performance operation under variable and harsh operating conditions. This lays a solid technical foundation for the continuous and efficient implementation of the peak – valley arbitrage model and guarantees the project to obtain considerable and stable economic returns.
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