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rooftop solar

Yingli releases 435 W n-type TOPCon solar panel with 22.28% efficiency

Yingli is offering six versions of its 108-cell Panda 3.0 PRO modules, with power outputs ranging from 410 W to 435 W and efficiencies ranging from 21.0% to 22.28%.

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Projoy unveils microinverter to link up to 8 solar panels

Chinese manufacturer Projoy is selling a new microinverter with maximum power point tracking (MPPT) and power outputs ranging from 2.2 kW to 3 kW. The smallest version can can connect between four and eight solar panels, while the largest can link seven to eight modules.

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Viessmann adds Wallbox to PV-battery-heat pump package

Viessmann’s new sub-distribution system links various components and connects them to the power grid. Its Wallbox has a charging capacity of 11 kW (three-phase) and is equipped with a 7.5-meter “Type 2” charging cable.

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Latest French PV tenders show clear upward price trend

The French authorities selected 16 projects (58 MW) in the third round of rooftop PV tenders, at an average final price of €104 ($114.30)/MWh, up 15% from the September 2022 tender. The authorities selected seven ground-mounted projects, or 115 MW of capacity, at an average price of €82.2/MWh, up 20% from the last tender.

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Toshiba combines heat pumps, rooftop PV, storage in residential home

Japan’s Toshiba has shared the results of a “future-proof” housing project in the United Kingdom. It combined two 11 kW air-source heat pumps in a five-bedroom house in Chester, England, with a 16 kW PV system and an 11 kW battery. The property is reportedly energy neutral in the summer months.

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Japanese oil suppliers testing solar carports for EVs under PPA model

Idemitsu Kosan is leading a four-year demonstrator to assess the viability of solar carports for EV recharging at Tanegashima Airport in Japan. The 54.7 kW solar facility will sell power to airport buildings via a power purchase agreement (PPA) and to EV users under a pay-as-you-go billing system.

France to offer 2.3 GW of solar in tenders in June

The French government has announced the launch of a tender for 1.5 GW of ground-mounted PV and another tender for 800 MW of rooftop capacity, in order to compensate for the high failure rate of the third round of tenders for large-scale PV plants.

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Seasonal hydrogen storage for residential self-consumption

Finnish and German researchers have assessed the role of seasonal hydrogen storage for PV prosumer households with a “least-cost” model at a global level up to 2050. They have found that seasonal hydrogen storage can only be expected in a niche, off-grid market.

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Netherlands may hit 180 GW of installed solar power by 2050, say grid operators

A new report from the association of Dutch grid operators predicts strong growth for the Dutch PV sector, regardless of potential international scenarios.

South Korea to allocate $185 million for renewables rebates in 2023

The South Korean government says its rebates for building-integrated PV (BIPV) systems have gone up from 13.4% to 15%, but its rebates for conventional rooftop PV systems have gone down from 50% to 47%.

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