China’s first salt cavern for compressed air energy storage goes online
Huaneng Group has finished building a 300 MWh storage project in Changzhou, in China’s Jiangsu province. The state-owned company has already started operating the facility, which is situated in a salt cavern.
What are upfront and lifetime costs of heat pumps in the US?
The “all electric” movement is shining new light on heat pumps. A recent survey looks at their costs in terms of replacements for heating and air conditioning systems.
Australian startup develops mine shaft gravity storage
Green Gravity, a startup proposing to use old mine shafts for gravitational energy storage, has secured AUD 1.4 million ($990,000) in its first formal capital raise.
Solar-powered EV charger with integrated battery storage
Energy management startup Ez4EV has introduced an electric-vehicle charging solution with integrated battery storage. The complete unit-in-a-box can be charged using electricity produced from solar, compressed biogas, and compressed natural gas.
Siemens, ABB invests in Norwegian battery company
Startup Morrow Batteries has raised €100 million ($105.9 million) in a funding round led by Siemens and ABB. It will use the money to build its first battery cell factory in Norway, its home market.
UK group developing floating organic flow battery storage project
MSE international and its partners have concluded the feasibility study for an organic large-scale flow battery project in Portsmouth, England. The 650 kW/6.1 MWh project might end up having have a lower levelized cost of electricity than lithium-ion or vanadium redox flow batteries.
The mobility rEVolution: Nissan, Mitsubishi launch mini EVs for Japan
In other news, Tesla expands Supercharger access for other EV brands in Europe, Hong Kong gets its first universal ultra-rapid charging station, and BMW invests in Canadian company Mangrove to back sustainable lithium metal production.
Australia’s consumer watchdog warns about LG home batteries
The Australian Competition and Consumer Commission has issued a call for homeowners to check their residential energy storage systems, amid a national recall of that batteries due to concerns about overheating.
UK startup develops Brayton pumped thermal tech for renewables storage
UK-based Synchrostor has developed a new pumped thermal energy storage (PTES) system. It is purportedly fully reversible in 30 milliseconds and can achieve a round-trip efficiency of around 70%. The proposed storage technology can also provide grid inertia and ancillary services.
Greenko starts work on 5.23 GW wind-solar-storage project in India
Indian developer Greenko has started building a hybrid energy storage project with 10.8 GWh of daily pumped storage, 3 GW of solar, and 550 MW of wind.
