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Viessmann unveils air source heat pump for residential, commercial applications

German manufacturer Viessmann says its new heat pumps have a coefficient of performance (COP) of up to 4.57 and a seasonal coefficient of performance (SCOP) of up to 4.4. The pumps have a heating output ranging from 32 kW to 128 kW, and a cooling capacity of 34 kW to 139 kW.


Weekend Read. COP: A solar flop?

Tripling clean energy generation capacity to 11 TW by 2030 was a leading pledge from the United Nations’ (UN) climate change conference in Dubai. With few details about infrastructure and energy storage and no clear PV targets, however, it is hard to judge the effectiveness of the 28th global Conference of the Parties (COP) meeting. Angela Skujins considers possible impacts for the solar industry.


The Hydrogen Stream: US funding 16 geologic hydrogen exploration projects

The US Department of Energy (DoE) has announced plans to invest $20 million in 16 projects across eight states to accelerate the exploration of geologic hydrogen.

IBC solar cell based on new patterning technique achieves 20.41% efficiency

A Dutch-German research team has built an interdigitated back contact PV device with a new patterning approach based on the enhanced oxidation rates under the local laser-doped n++ BSF regions. The cell achieved an open-circuit voltage of 656.6 mV, a short-circuit current density of 40.38 A/mAcm2, and a fill factor of 77.39%.


Bauer Solar warns about counterfeit solar modules under its brand name

Several containers with fake glass-glass module are said to be in circulation in Europe. Germany’s Bauer Solar has taken legal action against the counterfeiters, who are suspected to be based in China. It said the fake panels can be identified by the packaging and a lack of wooden reinforcements for the pallets.


The Hydrogen Stream: Airbus, Vattenfall to assess potential for airport hydrogen

A new study by ManpowerGroup and Cepsa suggests that green hydrogen and biofuels could create more than 1.7 million new green jobs in Europe by 2040, while Airbus, Vattenfall and other partners have agreed to assess the feasibility of hydrogen infrastructure at airports in Sweden and Norway.


Germany allocates 1.61 GW in latest utility-scale PV tender

Germany’s latest auction for utility-scale solar concluded with prices ranging from €0.0444 ($0.048)/kWh to €0.0547/kWh. The procurement exercise was significantly oversubscribed.


Fraunhofer ISE, Oxford PV produce 25%-efficient perovskite-silicon tandem PV module

Germany’s Fraunhofer Institute for Solar Energy Systems (Fraunhofer ISE) announced today that it had produced at 421 W perovskite-silicon tandem glass-glass module measures 1.68 m2. The module was assembled by Frauhofer ISE using perovskite-tandem cells from UK-based manufacturer Oxford PV. The researchers used commercially available PV production equipment to fabricate the panel.


The Hydrogen Stream: Strategic partnerships in transport sector

Baker Hughes has revealed plans for hydrogen projects in Europe and North America, on top of new announcements from Masdar, Air Liquide and TotalEnergies.


Wacker Chemie’s sales, earnings fall in tough market

German chemical group Wacker Chemie says its sales fell 22% year on year to €6.40 billion ($6.9 billion) in 2023. Its polysilicon division contributed EUR 1.6 billion to sales, down from EUR 2.29 billion in the preceding year.


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