U.S. defense research agency achieves optical power beaming record
The Defense Advanced Research Projects Agency said a project team testing new optical wireless energy receiver technology was able to transfer 800 W of power to a receiver 8.6 km away in a 30 second transmission. It claims is a distance and power record amongst optical power beaming demonstration results.
All solar cell efficiencies at a glance – updated
The research group led by Professor Martin Green has published Version 66 of the solar cell efficiency tables. There are 17 new results reported in the new version.
Nuclear has highest investment risk, while solar shows lowest
Nuclear power plants exceed construction budgets by an average of 102.5%, costing $1.56 billion more than planned, according to a study by Boston University’s Institute for Global Sustainability.
Keeping electricity both reliable and affordable while meeting load demand
A new report from ICF suggests that the U.S. can meet its growing electricity demands with an all-of-the-above energy approach while boosting generation using existing infrastructure.
Solar opportunity as datacenter electricity demand expected to triple in five years
LandGate said as of Q1 2025 datacenters in the U.S. use 200 TWh of electricity annually, up from 147 TWh in 2023, and demand is expected to continue to accelerate.
‘Cybersecurity is a real problem, but the Reuters report should be taken with a grain of salt’
pv magazine spoke with Garikoitz Sarriegi, senior project manager at Kiwa PI Berlin Ibérica, about the Reuters report published on Wednesday that devices susceptible to spying and sabotage had been found in inverters and batteries from China.
How to assess bifacial PV system performance on sloped terrains
Scientists have developed a precursor formulation for different PV simulation tools that can help calculate the expected performance of solar farms deployed on hilly slopes. Validation tests against an experimental setup showed an error of less than 3%.
Connecticut agency launches online solar project siting tool
The Department of Energy and Environmental Protection’s online is designed to support more efficient siting and permitting for solar projects.
Hidden devices found in Chinese-made inverters in the U.S., reports Reuters
U.S. officials are reassessing the risks posed by Chinese-made devices in renewable energy infrastructure according to news agency. Reuters cites two unnamed sources “familiar with the matter.”
U.S. renewables developers face daunting grid interconnection queues
Many grid operators are overwhelmed by projects, according to a report by Enverus.
