Central African Republic starts building 50 MW of solar with 10 MWh of storage
UAE-based Global South Utilities has begun construction on a 50 MW solar project with 10 MWh of battery energy storage systems (BESS) in the Central African Republic.
How to control frequency fluctuations during PV plant deloading
Researchers in Egypt have developed new control strategies for managing frequency fluctuations during deloading of a photovoltaic plant. The proposed methodology combines a proportional–integral controller along with a rate of change of frequency controller.
US Treasury issues guidance on ‘start of construction’ rules for solar, wind
The US Department of the Treasury has issued guidance on “start of construction” rules for solar and wind tax credits, outlining safe harbor provisions but leaving uncertainty over qualification requirements.
Carrier launches new air-to-water heat pumps for commercial applications
Carrier, a US-based heating solutions provider, said its new AquaSnap 30RQM heat pump system can deliver a water temperature of up to 60 C. The modular system features a heating capacity of 70 kW to 1,125 kW and a cooling capacity of 77 kW to 1,237 kW. T
PV-driven portable air water generator for remote areas
Scientists in Saudi Arabia have created a PV-powered air water generator that can be used in remote areas or on lengthy vehicle journeys. It can reportedly produce a liter of water at approximately $0.04 for packing and zero for non-packing.
EcoFlow launches stackable battery system in Australia
US manufacturer EcoFlow has introduced a 6 kWh residential battery and backup system in the Australian market, expandable to 30 kWh.
SAEL Industries signs PPAs for 880 MW of solar projects in India
SAEL Industries has signed 25-year power purchase agreements (PPAs) for 480 MW of solar projects in Gujarat and 400 MW in Punjab. The projects, priced at INR 2.56 ($0.029)/kWh and INR 2.97/kWh respectively, are scheduled to begin operations within 24 months of signing.
Tongwei achieves 31.4% efficiency for perovskite-silicon tandem solar cell
Chinese researchers, led by a research team from PV Technology Center of Tongwei Co., Ltd, used a sequential annealing process in the fabrication of tandem solar cells, featuring a wide bandgap perovskite top cell on a fully-textured commercial crystalline silicon heterojunction bottom cell. The resulting device had a certified power conversion efficiency of 31.4%, outperforming a 29.43%-efficient control cell.
Insurer flags rising home fire costs as lithium-ion battery incidents increase
Battery fires double in high-value claims, pushing premiums up.
Oman’s 500 MW Manah I solar project begins operating
Shanghai Electric has completed construction of the 500 MW Oman Manah I solar project, the company’s first project in the country.
