UK to spend $20 billion on home energy upgrades, mandatory PV for new homes
Cash grants and state-backed loans to support solar and battery storage installations in millions of UK homes as part of government Warm Homes Plan. UK government says investment has the potential to triple the number of homes with rooftop solar by 2030.
Italy installs 6.4 GW of PV in 2025
The country reached a cumulative installed PV capacity of 43.5 GW at the end of December, according to new figures released by Italian grid operator Terna.
Hungary adds 1.1 GW of solar in 2025
Hungary deployed over 1 GW of solar for the third consecutive year in 2025, driven largely by grid-scale solar additions. There are concerns momentum could slow in the coming years due to no new connection permits for large-scale projects authorized over the last three years.
Japan’s solar industry targets vertical bifacial PV with new guide
The Japan Photovoltaic Energy Association (JPEA) has released a voluntary reference guide to support adoption of vertical bifacial PV in Japan, outlining design, performance, and compliance considerations for projects in snow-prone, high-latitude, and space-constrained conditions.
China completes first full-scale underwater pumped storage trial at 65 m depth
DEC’s “Dongchu No. 1” prototype completed more than 100 charge-discharge cycles at 65 meters depth in a freshwater lake.
Guyana plans three utility-scale solar parks
The three new utility-scale projects in region ten of Guyana, with a combined capacity of 15 MW, form part of wider plans to deploy 33 MW of large-scale solar with accompanying energy storage across four of the country’s regions.
Battery storage in Spain could become unviable beyond 32 GWh
Scientists from the University of Seville have developed real-time optimization models showing that electricity storage in Spain may be approaching its economic limit, with cumulative capacities above 32 GWh depressing prices and undermining project profitability.
Global solar corporate funding reached $22.2 billion in 2025
While global solar corporate funding in 2025 fell to the lowest level recorded since 2020, deal count rose to its highest level since 2017. Mercom Capital Group says investors favored smaller, lower-risk, execution-ready projects last year amid policy uncertainty, trade pressures and higher financing costs.
GoodEnough Energy starts production at 7 GWh BESS factory in India
India-based energy storage company GoodEnough Energy sazs it has commissioned a 7 GWh battery energy storage system (BESS) factory in Noida, with plans to expand capacity to more than 25 GWh over the next three years.
Easing the transformer procurement bottleneck
Anza’s Transformer Procurement Service aims to help solar developers meet new deadline requirements imposed by US federal policy.
