HDF and ZETDC have signed Zimbabwe’s first utility-scale green hydrogen power plant, with 178 GWh of expected annual electricity production. Rystad Energy, meanwhile, says Africa’s total electrolyzer pipeline has hit 114 GW.
Swedish manufacturer Qvantum has developed a 6 kW heat pump for apartments connected to district heating systems. It uses propane (R290) as the refrigerant.
Austrian scientists have created a lab-scale, solid-state, oxygen ion battery based on mixed ionic electronic conducting (MIEC), which is a special class of non-flammable electroceramic materials. The battery has around 30% of the energy density of lithium-ion batteries but can purportedly achieve a longer lifespan.
Swiss researchers have looked at whether storage could be cheaper than curtailment in medium-voltage distribution networks with significant amounts of PV capacity. They considered storage costs, operational costs, grid constraints, electricity costs, PV generation models, and loads.
Researchers from Oak Ridge National Laboratory have developed a free, web-based application that calculates the savings and energy efficiency of residential ground-source heat pumps compared to gas heating.
Phaesun and Solar Cooling Engineering have developed a PV-powered cold room for small-scale farmers in Africa. The solution, which has been installed at a farm in Kenya, includes a 2.8 kW solar array and vapor compression heat pumps.
Bureau Veritas tells pv magazine that there is a great deal of interest in hydrogen certification schemes in Europe, Australia, the United States, and the Middle East.
The European Heat Pump Association has compiled an up-to-date overview of subsidies for residential heat pumps in the European Union, the United Kingdom, Norway, and Switzerland.
Rather than using solar or wind to power electrolysis, researchers are testing the competitiveness of photoelectrochemical cells to produce emissions-free hydrogen fuels.
State-owned IndianOil says it plans to have around 2 million metric tons of green hydrogen capacity in its portfolio by 2050.
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