Improving roll-to-roll slot-die coating via machine learning
University of Sheffield researchers developed a machine learning framework to improve coating properties in a roll-to-roll slot die coating process. The work is seen as an initial step toward broader use of machine learning and related technologies to assist with optimization.
PV Hardware offers new terrain-following tracker solution
The Spain-based manufacturer announced terrain-conforming tracker support, enabling up to 2° of variation between posts. The new solution is meant to enable solar PV on more difficult sites without increasing environmental impact or construction costs.
How the One Big Beautiful Bill affects heat pump adoption
The US congressional budget bill reduces tax credits for energy efficiency investments, including heat pumps, which is expected to slow adoption rates.
Romania awards 1.4 GW of solar at average €40.46/MWh in second auction
Romania has allocated 1,488 MW of solar in its second contracts for difference (CfD) auction for renewables. Prices of the 26 winning solar bids ranged from €35.50 ($41.59)/MWh to €45.20/MWh.
SolarStratos reaches 8,224 m height
Swiss pilot Raphaël Domjan flew the SolarStratos solar-powered aircraft to 8,224 meters on Aug. 10, setting a personal record but falling short of the 9,235-meter world mark held by Solar Impulse.
South Korea urges US to exempt firms from polysilicon tariffs
South Korea’s Ministry of Trade, Industry and Energy (MOTIE) is urging the United States to exempt its companies from Section 232 polysilicon tariffs, warning that restrictions could disrupt $2.8 billion in US solar investments.
Lithuania deploys 240 MW of solar in H1
Lithuania added 240 MW of solar in the first half of 2025, pushing cumulative capacity past 2 GW, with residential systems making up more than half of the total.
Seasonally optimized PV panel tilt can boost yield by up to 9% in India
A new study investigates the seasonal optimization of PV module tilt angles to optimize the energy efficiency of solar PV plants in the Indian state of Rajasthan. The results reveal that dynamic tilt adjustments can significantly boost annual solar yield across diverse climatic zones.
Netherlands allocates €700 million to large-scale hydrogen projects
The Netherlands has awarded €700 million ($820.5 million) to 11 companies in its second subsidy round, supporting large-scale hydrogen projects with a combined electrolyzer capacity of about 602 MW.
Brazil’s regulator delays decision on storage regulation amid grid tariff dispute
Aneel postpones ruling on energy storage tariffs, with debate focusing on transmission charge treatment and limits.
