Vertical rooftop PV debuts in the U.S.
Norwegian vertical solar specialist Over Easy Solar has installed its first rooftop vertical solar installation in the U.S. market. The 100 kW system, combined with a green roof in New York, is expected to deliver around 120,000 kWh annually depending on factors including albedo, azimuth and local shadowing.
U.S. small-scale solar hit record 1.9 GW in Q4 2025
Distributed solar accounted for 15% of all new U.S. power capacity in 2025 as residential and community projects reached record installation levels.
NV Energy demand charge proposal threatens Nevada rooftop solar
A proposed shift in rate design could undermine the economic value of distributed generation and complicate the state’s energy transition goals.
California bill would unlock distributed energy participation in grid resource adequacy market
A new California bill, SB 913, would require state regulators to integrate customer-owned batteries and electric vehicles into the official Resource Adequacy market to bolster grid reliability.
Commercial rooftop solar leases offer new revenue for real estate owners
A third-party ownership model converts underutilized commercial roof space into long-term net operating income with zero upfront capital investment, said Solect Energy.
Permitting reform could target rooftop solar soft costs
Hardware now accounts for about 20% of U.S. residential system prices, leaving permitting and interconnection as major cost drivers.
California court upholds NEM 3.0, dealing blow to rooftop solar
California appellate court has affirmed the Public Utilities Commission decision to sharply cut compensation for homeowners and businesses that export rooftop solar electricity production to the grid.
Fronius expands residential solar backup power with PV Point Comfort
The new solution provides an automated, retrofit-ready backup circuit for essential loads on Fronius GEN24 inverters.
REC Solar prepares to start 3.3 MW rooftop solar array for self-consumption
The project for California food distributor Arctic Cold includes a power purchase agreement.
Global-warming-induced degradation could raise rooftop solar LCOE by up to 20%
A global study finds climate change will sharply increase high-temperature risks, accelerate degradation, and raise costs for rooftop PV, with economically disadvantaged regions hit hardest. Researchers warn current IEC standards underestimate future risks, urging urgent updates to avoid stranded assets and rising electricity costs.
