Tariffs are pinching margins, federal energy policies are a drag, and demand looks weaker than expected.

Rooftop solar installers are steering customers toward leases instead of purchases. Federal tax credits for purchased systems ...

Defect-filled lead-halide perovskites rival silicon solar cells because domain walls inside the material separate and guide charges. Researchers visualized these charge-transport networks using a ...

An Arizona bill allowing plug-in solar panels on patios and balconies died in committee after utility companies raised grid safety concerns ...

When private companies develop and sell solar geoengineering technologies, they draw a proprietary curtain over a planetary matter. If countries want to pursue the public good, international ...

Forbes contributors publish independent expert analyses and insights. I write about the economics of AI. On paper, the global solar industry has never looked stronger. The International Energy Agency ...

Small household solar power systems have been gaining traction—and investment—as a means to provide affordable and ...

Many 10-year-old solar systems still work, but quietly underperform. In 2026, repowering outdated 3kW systems can cost less than repairs and deliver far bigger bill savings.

India's rapid solar energy expansion is widely hailed as a success. But without a plan to manage the waste it will generate, how clean is the transition? In just over a decade, India has become the ...

Australia’s grid is buckling under the weight of its own solar success, With rooftop panels now installed on 2.7 million homes across the country, midday electricity generation regularly overwhelms ...

Last week, a poll from Trump-aligned pollster Fabrizio, Lee & Associates shocked the chattering class by finding 70% of ...