Solar Panels
How Battery-Based Storage Systems Are Leading More Germans to Opt for Solar Power
The budding popularity of solar panel and battery systems, driven by a drop in lithium-ion battery prices, has thrown a lifeline to Germany's moribund solar sector.
California Becomes the First State to Make Solar Panels Mandatory
The new standard will bring the state closer to meeting its climate goals.
Why Millions of Chinese-Made Solar Panels Sat Unused in Southern California Warehouses for Years
A panic over renewable energy and billions in subsidies turned the world’s biggest carbon emitter into the world’s largest solar panel maker nearly overnight—but that doesn't mean those panels were put to use.