On 14 days during March, Arizona utilities got a gift from California: free solar power. Well, actually better than free. California produced so much solar power on those days that it paid Arizona to ...

In a development straight out of an iconic science fiction novel, laser beams from the Sun sent directly to Earth may be the ...

Solar power would expand because of a combination of declining panel prices and increasing efficiency. Today, a highly ...

Plug-in solar, also known as balcony solar, is a popular option in Europe, and it's now starting to be introduced in the ...

In 2025 — for the first year ever — solar arrays provided more electricity to Texas’ main power grid than coal-fired power ...

Add Yahoo as a preferred source to see more of our stories on Google. A novel solar power project just went online in California’s Central Valley, with panels that span across canals in the vast ...

Once a distant dream of clean energy, solar power now spreads like sunlight itself. Vast, unstoppable, and life-giving. Miles-long rows of solar panels humming under the desert sun, powering whole ...

The U.S. solar industry is in a transition period. With the residential investment tax credit now expired, and the 48E tax ...

A former coal mine in western Maryland is now generating solar power – and it’s the largest solar farm in the state. Competitive Power Ventures (CPV) has brought Maryland’s largest solar project ...

Wind energy infrastructure doesn’t produce power if the air isn’t moving, and solar doesn’t generate power if the sun’s not out. But that doesn’t mean that either source of energy is "worthless" ...

Germany gets less sun than the entire continental US, and yet almost a fifth of its electrical generation was done by solar ...