Floating PV could power up to 490,000 households in Hong Kong
Hong Kong has limited land, and researchers have checked how much of the city can be powered if most of its water reservoirs were to be fully or partially covered with floating PV systems. At best, full coverage can supply more than 15% of the city’s total demand, and more than 60% of the residential demand.
India deploys 37.9 GW of solar in 2025
Solar additions in calendar year 2025 comprised 28.6 GW of new utility-scale solar capacity, 7.9 GW of rooftop PV power, and 1.35 GW of off-grid and distributed installations.
OCI Holdings begins manufacturing operations at 2.7 GW wafer factory in Vietnam
The facility will produce solar wafers for the U.S. market.
China extends anti-dumping duties on solar-grade silicon from US, South Korea
The duties range from 53.3% to 57% for U.S. producers and from 2.4% to 48.7% for South Korean companies and will remain in force for a further five years.
Bangladesh seeks consultants for 220 MW solar project
A tender is open in Bangladesh seeking consultants to support the development of the 220 MW Sonagazi solar project. The deadline for expressions of interest is February 3.
Vietnam proposes increase to surplus power sale from rooftop solar
A draft decree from Vietnam’s Ministry of Industry and Trade is proposing rooftop solar owners could sell up to 50% of the energy produced back to the grid, in a bid to increase future uptake.
Tongwei unveils 770 W TOPCon PV module with 24.8% efficiency
The Chinese manufacturer unveiled its new TOPCon bifacial TNC3.0 module at WFES 2025. The 1,500 V, IP68-rated panel offers over 85% bifaciality, a 0.26%/C temperature coefficient, and a 30-year warranty guaranteeing 88.85% output.
Chinese scientists push selenium solar cells beyond 10% efficiency
Researchers at the Chinese Academy of Sciences have set a world record for selenium solar cells, achieving 10.3% efficiency for the first time above the 10% threshold. The breakthrough was enabled by optimized charge-selective contacts, light-driven crystallization, and post-deposition annealing, producing stable devices with a 1.03 V open-circuit voltage.
Adani Green unit to supply solar-wind power to Asahi India Glass
An Adani Green Energy subsidiary has signed agreements to supply 20.8 MW of hybrid solar and wind power to Asahi India Glass from projects in Gujarat.
Ola Electric unveils first fully made-in-India residential battery storage system
Ola Electric has rolled out Ola Shakti, a residential battery energy storage system (BESS), from its gigafactory in the Krishnagiri district of Tamil Nadu. Powered by Ola Electric’s indigenous 4680 Bharat Cells, Ola Shakti is India’s first residential BESS to be fully designed, engineered, and manufactured domestically.
