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Distributed Storage

Japanese solar building up resiliency against curtailment

Mitsubishi and Japanese utility Kyushu Electric Power are teaming up to use more grid-scale storage, in order to reduce financial losses caused by curtailment.

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Hydrogen combustion tech for residential water heaters

Japan’s Rinnai has unveiled what it claims is the world’s first 100% hydrogen combustion technology for residential water heaters. It is currently using the hydrogen water heater in demonstration projects in Australia, prior to commercialization.

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The Hydrogen Stream: Project to produce hydrogen from waste plastic takes shape in the UK

In other news, Plug Power revealed plans to build a 35-ton-per-day green hydrogen generation plant at Belgium’s Port of Antwerp-Bruges and UK researchers developed an artificial leaf device made from bismuth oxyiodide that is able to harvest sunlight to produce hydrogen fuels.

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Photovoltaic water heater from Italy

Italian solar panel manufacturer Sunerg has developed an integrated photovoltaic water heater solution based on two resistances. The system relies on a maximum power point tracking (MPPT) controller and can work with a PV module with a power output of up to 450 W.

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General Electric to triple solar, battery production capacity in India

The US multinational will expand the solar and battery energy storage manufacturing capacity at its factory in Tamil Nadu to 9 GW per annum by the end of 2022. The factory manufactures the FlexInverter power conversion solution and the FlexReservoir utility-scale energy storage systems.

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Redox flow battery based on ion-sieving sulfonated polymer membranes

UK scientists have designed a new type of aqueous organic redox flow battery based on ion-exchange membranes made of a polymer of intrinsic microporosity. The battery showed a very low-capacity decay rate of 0.0335% per day for 2,100 charge-discharge cycles.

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German heating solutions provider offers heat pump leasing

German homeowners are requested to pay a fixed monthly price of €159 ($170.6) without the need for a high initial investment. The offer is valid nationwide

Novel stack design for PEM electrolyzers promises lower production costs

Researchers in Germany have built bipolar plates for electrolyzer stacks without using titanium, which they claim may further reduce green hydrogen costs. They used coated stainless steel and niobium for the stack coating and found these new materials do not affect electrolyzer performance.

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New model for grid-forming inverter operation

Scientists in the United States have developed a new model to allow utilities to use grid-forming inverters in order to better renewable energy intermittency. They described the inverter main circuit representation, the droop control, and the fault current limiting function.

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Briggs & Stratton launches residential storage solution with lithium-ferro-phosphate chemistry

The US manufacturer offers the storage solution with a 6 kW inverter, a 4.9 kWh battery, and a proprietary monitoring system.

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