The German parliament has approved a new package of tax breaks for rooftop PV, including a value-added tax exemption for PV systems up to 30 kW in size.
The latest attempt by the California Public Utilities Commission – CPUC, the US state’s regulator – to reform net metering rules, seems to again be solely motivated by the desire to kill off rooftop PV, as energy economist Ahmad Faruqui reported in the latest issue of pv magazine.
A Chinese-Australian research group has created a new sodium-sulfur battery that purportedly provides four times the energy capacity of lithium-ion batteries. They say it is far cheaper to produce and offers the potential to dramatically reduce energy storage costs.
Suomen Energiavarasto Oy has secured €26.3 million ($27.5 million) from the Finnish government to build an underground pumped hydro project at a former zinc and copper mine.
Researchers in the Netherlands have designed a water-splitting system with an electrochemical cell and a 25%-efficient tandem perovskite-silicon solar cell. It can reportedly achieve a solar-to-hydrogen efficiency rating of more than 21%.
SEI Logistics has developed a portable, folding solar panel kit with batteries. The system is designed to work in harsh, remote environments.
The International Energy Agency says that it expects the use of renewables to support global hydrogen production to surge over the next five years. The Netherlands and Denmark, meanwhile, have revealed plans to expand electrolysis capacity.
A UK research group has proposed the combination of solar-powered heat pumps and thermal storage based on phase-change materials for residential applications. They said such a system could facilitate cost savings of up to 39%.
Pacific Northwest National Lab (PNNL) researchers have developed a new framework to compensate energy storage as a dual-use asset.
The Australian PV Institute (APVI) and the University of New South Wales (UNSW) have launched a free version of SunSPOT, a tool for tailored guidance on ideal solar and battery setups.
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