US court restores 5% safe harbor for large solar projects
A U.S. federal district court has completely reversed and reinstated IRS Notice 2025-42 the 5% safe harbor method for large solar and wind projects to determine when construction begins for…
Britain sets new solar generation record of 15.2 GW
According to the National Grid Electricity System Operator (NESO), the UK set a new solar energy record of 15.2 gigawatts as of 1pm on Wednesday April 22nd. This milestone puts…
Scatec’s Obelisk Solar BESS project reaches 1.1 GW as Phase 1 reaches full operation
Norwegian developer Scatec has brought the first phase of its Obelisk solar-plus-storage project into commercial operation in Egypt, marking a major milestone for the country’s renewable energy ambitions. Phase 1,…
Losses due to incorrect cleaning of solar systems
Study by Fraunhofer CSP shows risks to yield and service life caused by unsuitable cleaning agents Cleaning photovoltaic systems is considered a standard measure to secure energy yield. However, a…
New market rules are fundamentally changing solar strategy
The federal government is pushing system integration more strongly The draft EEG 2026 marks a clear readjustment of the energy transition. Although the federal government is sticking to the rapid…
China stops tax incentives for solar exports
Tax advantages for photovoltaic products ended from 2026 China is fundamentally changing its tax practices for photovoltaic exports. From April 2026, VAT refunds for wafers, solar cells and modules will…
Solar cells are about to make a leap in performance
Over 35 percent efficiency by 2050 Photovoltaics is on the verge of a possible technological leap. According to leading research institutes, solar cells could achieve efficiencies of more than 35…
Solar energy is becoming Europe’s most important source of electricity
EU electricity mix in transition – record month of June 2025 The European electricity market reached a historic turning point in the summer of 2025. For the first time, photovoltaics…
New cap on rooftop solar power
New guard rails for roof photovoltaics The Federal Network Agency has redefined the framework conditions for the promotion of photovoltaic roof systems. In future, a uniform maximum value of 10…
Medium voltage increases the efficiency potential of large solar parks
Medium voltage is fundamentally changing the planning of large solar parks A current report from the Fraunhofer Institute for Solar Energy Systems (ISE) shows that the use of the medium…