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Energy

Spanish scientists develop thermoelectric heat pump for thermal energy storage

A Spanish research group has investigated how thermoelectric heat pumps may be used as power-to-heat technology to increase temperatures in thermal energy storage systems. It found the proposed system configuration may achieve an overall efficiency of 112.6% at at 135 C.

PV-driven green hydrogen may be sold in Australia at $2/kg by 2030

Australian researchers have calculated the levelised cost of green hydrogen under different installed capex scenarios for 2030. They also looked into the different possible sizing of PEM electrolyzers.

New machine learning tech for short-term PV power generation forecasting

Researchers in China have applied a machine learning technology based on temporal convolutional networks in PV power forecasting for the first time. The new model reportedly outperforms similar models during all seasons.

Italian municipality offers free EV recharging via off-grid PV shade

The municipality of Falconara Marittima, Italy, has installed a free off-grid photovoltaic shade for electric vehicle charging at no cost to users. The system has a capacity of 7 kW and includes a 10 kWh battery.

Indian grid operator launches 500 MW/2,500 MWh energy storage tender

GRIDCO has started accepting bids to set up 500 MW/2,500 MWh of energy storage systems connected to the Indian grid. Bidding closes on April 23.

Lightsource bp wins approval for 750 MW of solar, 3,000 MWh of storage in Australia

The Australian government has granted environmental approval for UK developer Lightsource bp to proceed with its plans to build Australia’s largest solar farm and battery energy storage system on any of the country’s main electricity grids.

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TICA introduces air-to-water heat pump for residential applications

The Chinese manufacturer said its new heat pump has a coefficient of performance of up to 5.3 and a maximum heating capacity of 16 kW. It can reportedly achieve a topwater output temperature of 80 C.

Israel hits 51% renewable production for first time

The Israeli government said that earlier this month, for several minutes, renewable energy accounted for most of the nation’s energy production. In particular, solar covered 45% of total generation.

5B uses modular, relocatable solar tech for 89.7 MW hybrid microgrid

Modular solar array manufacturer 5B has started building the solar component of an 89.7 MW hybrid microgrid that will help Bellevue Gold’s gold mine in Australia with up to 100% renewables.

Iron-based redox flow battery for grid-scale storage

Researchers in the U.S. have repurposed a commonplace chemical used in water treatment facilities to develop an all-liquid, iron-based redox flow battery for large-scale energy storage. Their lab-scale battery exhibited strong cycling stability over one thousand consecutive charging cycles, while maintaining 98.7% of its original capacity.

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