01
How fast solar power is growing in the US and worldwide
Solar led new US power capacity for the fifth year running in 2025 and set a global record, while a new US tax law is set to slow installs through 2031.
Solar Energy
8 articles
01
02
Why solar keeps beating the IEA’s growth forecasts
The IEA solar forecast undershot actual solar growth for more than a decade, and its newest outlook moved down for policy reasons instead of up.
03
Is solar power cheaper than nuclear power today?
Is solar cheaper than nuclear? Lazard's 2025 unsubsidized data puts solar at $38 to $78 per megawatt-hour versus $141 to $220 for new nuclear.
04
How net metering works in 2026
See how net metering works in 2026, why California traded it for a new billing tariff, and how feed-in tariffs and solar leases stack up against it.
05
How Hawaii became the US leader in rooftop solar
Hawaii solar leads the US. Nearly half of Oahu's single-family homes have rooftop panels, and 92% of new Honolulu systems come with a battery.
06
Maximizing Solar Inverter Efficiency: What Every System Designer Should Know
The $300,000 commercial solar array looked perfect on paper. Premium panels meticulously arranged across the rooftop, catching California sunshine in all its glory. Then I checked…
07
10 Proven Ways to Boost Your Solar Panel Efficiency
Your solar panels are underperforming right now. Bold statement? Yes. Accurate? Almost certainly. In my decade running efficiency tests on hundreds of residential solar systems, I've…
08
Solar Panel Maintenance: Simpler Than You Think
"Solar panels? Too much maintenance. Not worth the hassle." I've heard this myth repeated countless times during my ten years installing and maintaining solar systems. It's…