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Residential PV

Micro-inverter for high-power solar panels from Hoymiles

The device has a 4-in-1 design, which means it can be connected with four solar panels with a power output of up to 625 W each, through four independent connections. The output of each panel is tracked and converted individually. According to the Chinese manufacturer, the micro-inverter can ensure savings of up to 50% due to the lower number of devices and cables needed.

NREL’s online tool to assess viability of geothermal heat pumps

The research institute has upgraded its REopt web tool to include ground-source heat pump technologies. US homeowners will now be able to simulate the impact of converting conventional heating and cooling systems to geothermal heat pumps.

Brazil may add another 12 GW of PV this year

Of this new capacity, 8.9 GW may come from distributed generation and 3.2 GW from utility scale solar. By the end of December 2022, the country’s installed solar power should reach 25 GW, according to new figures from Brazilian trade body ABSolar.

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All solar is equal, but rooftop solar is more equal

Cornell Researchers have found that upstate New Yorkers prefer rooftop solar to community solar under 50 acres, but opinions are split 50/50 over large-scale ground mounts. The distaste for utility-scale solar is strongest when converting forests, public land and productive farmland.

Modeling method for agrivoltaics in greenhouses

Spanish researchers have developed a new modeling technique to assess the performance of semi-transparent PV systems for greenhouses. Their novel approach considers the broadband and spectral content of the irradiance, the solar cell technology and its performance metrics, and the relationship between the photosynthetic rate and the effective photon flux that falls on the crops.

New German government presents package of measures to support PV

The new package includes an increase in solar capacity, to be allocated through tenders, and the mandatory installation of PV systems in all commercial buildings.

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PV set to be largest source of new US generating capacity in 2022

About 46% of all new generating capacity in the United States is expected to be PV this year, giving it the largest share of the new US generation mix.

Solar up in Belgium in 2021 but will have work to do as nuclear shutdown nears

Electric transmission company Elia Group noted a bigger slice of the generation mix occupied by nuclear last year, just hours after a London-based consultant said the nation was on track to switch off its reactors before 2026.

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Residential building fully reliant on hydrogen for space heating, hot water

The campus of the Delft University of Technology (TU Delft) in the Netherlands is currently hosting a retrofitted existing building provided with heating by an H2 heating boiler in the attic. The boiler is linked to an underground hydrogen system.

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India may add 12.5GW of solar in 2022-23

Indian ratings agency ICRA expects the solar boost based on the backlog of PV projects awarded by central and state electric utilities.

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