The problem with renewable power is timing. Solar power peaks in the early afternoon, when the sun is high overhead. Wind power peaks at night, at least in California. Juggling these resources poses a ...

Building massive power lines in the Atlantic Ocean could link not only new offshore wind farms but also onshore electricity grids from Maine to South Carolina, according to a report released Thursday ...

Home solar power has been around for a long time, but its relatively high costs have made it unattractive for many homeowners. Over the last decade, rapidly decreasing prices for photovoltaic cells ...