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North America

Zinc-air battery and PV to power apartment complex

A 100kW/1.5MWh zinc-air battery will be installed in Queens, New York, in combination with a combined heat and power system and a PV array. The pilot project is intended to demonstrate the long-duration energy storage capability of the zinc-air battery.

Full solar value chain relief is on the way, says ROTH Capital

Philip Shen, managing director of ROTH Capital Partners, hosted top analysts from PV InfoLink to discuss their outlook on pricing, supply and demand at each step in the solar value chain.

Pulling fertiliser out of thin air with PV

Nitricity has developed an experimental plasma reactor that uses PV electricity to produce competitively priced, environmentally clean, nitrogen fertiliser. Its onsite fertiliser production eliminates emissions from transport, and provides a viable alternative to fossil-based nitrogen fixation methods like the Haber-Bosch process.

Tesla turns to Australian company to secure material for its EVs

Electric vehicle giant Tesla has inked an offtake deal with Australian miner Syrah Resources to supply battery-ready graphite as concerns over raw materials shortages continue.

Weekend read: Indium – sustainability, not supply

The supply of indium, both for layers in silicon solar cells and some thin-film PV technologies, is increasingly seen as a future potential bottleneck that solar and other industries relying on the material will have to manage. Resolving indium supply concerns may be a case of rethinking mining waste and recycling, reports Ian Morse.


Modelling finds building with WA company’s solar windows nearly eliminate operational emissions

Western Australian solar window company ClearVue says it has proven its products can reduce buildings’ carbon emissions by as much as 90%, qualifying the technology for the world’s most comprehensive future building standards for energy performance.

Improving compressed air energy storage efficiency via chemical reactions

Scientists in the United States have proposed to use a thermochemical energy storage (TCES) technique that stores energy in chemical bonds to recover the heat produced during air compression operations. According to them, this innovation may increase the round-trip efficiency of compressed air energy storage to 60%.

US scientists explore how to compensate battery owners for grid value

Current price signals to distributed battery owners “do not align with grid value,” says a study from the Lawrence Berkeley Laboratory.

Utility scale ocean battery, a bedfellow for floating PV

A new underwater battery storage technology is coming from Netherlands-based Ocean Grazer to address the issue of offshore long-duration storage. The company’s Ocean Battery is touted as innovative yet simple, based on existing technology, and capable of enhancing marine life along the way.

Goldman Sachs invests $250 million in Hydrostor to advance compressed air energy storage projects

The investment is planned to support development and construction of Hydrostor’s 1.1GW, 8.7GWh of Advanced Compressed Air Energy Storage projects that are well underway in California and Australia, and help expand Hydrostor’s project development pipeline globally.