Why strategy is key: Lessons from real-world benchmarks
Maximizing value from battery energy storage systems (BESS) isn’t just about having the right hardware – it’s about executing the right strategy. Lennard Wilkening, CEO and co-founder of Germany’s suena energy, explores what makes standalone BESS profitable in increasingly competitive and volatile market, and what real-world benchmarks, such as suena energy’s monthly revenue update, reveal about the role of dynamic multi-market optimization.
Dual PV module cooling tech based on water, air
Scientists in Hungary have built an experimental rig that uses a 60 W polycrystalline solar panel with 152 holes drilled into its frame for air cooling, as well as high-conductivity copper alloy pipes and fins placed on its back for water cooling.
Sungrow launches next-gen hybrid residential energy storage system
Sungrow Power has revealed its newest hybrid residential energy storage system. Upgrades to its MG Series inverters and a battery will be launched in Q4.
OLADE: Latin America, Caribbean has 2.5 GW of energy storage
Technical note 10, published by the Latin American Energy Organization (OLADE), collated the figure and makes recommendations for operational and planned projects in nations including Chile, Brazil, Mexico, and Argentina.
Spanish parliament rejects grid reform law proposed after April blackout
Spain’s parliament has rejected a legislative package aimed at reinforcing the grid and scaling up battery energy storage following the April 28 blackout.
California solar curtailment down 12% on back of batteries
For the first five months of 2025, CAISO data showed solar electricity curtailment declined by 12% as a share of generation, falling from 13% to 11.5%, even as solar output grew 18% year over year. During this period, however, curtailment still rose 4.1% in absolute terms, with March showing a 28% increase, matching the prior year’s peak.
DMEGC releases new series of residential all-in-one storage systems
The Chinese company stated that its new H02 product line is available in either single-phase or three-phase configurations. It comes with a different number of 5.12 kWh batteries.
Negative price hours rise in Europe
Around 28% of potential solar power generation in Germany occurred during periods of negative electricity prices from January to May, according to Enervis. The share is expected to rise as battery storage deployment continues to lag behind renewable energy growth.
Power Queen announces 1.8 kWh battery for solar applications
The Chinese company says its new storage product is designed for high-load scenarios, including motorhomes and solar setups. It supports up to four batteries in series and four batteries in parallel.
Sunbolt introduces pre-assembled solar ‘backyarder’ kit
The kit includes two 50 W solar panels, a 400 W inverter, and two batteries and powers devices directly with 120V GFCI ports and USB ports.
