The forecast for renewable energy in California, already America’s strongest solar market, just keeps getting brighter.

Rep. Brian Bilbray is winning praise from the solar industry for casting the sole Republican vote this week against efforts to dismantle the federal loan guarantee program for clean energy linked to the Solyndra debacle.

First Solar Inc. (FSLR) Chairman Mike Ahearn has found the best way to make money from photovoltaics is to sell whole power plants to Warren Buffett and NextEra Energy Inc. (NEE) instead of competing with China on panel sales.

State lawmakers have approved a bill that would require utilities to purchase more of their electricity from renewable sources.

Wal-Mart Stores Inc. (WMT) (WMT), the world’s largest retailer, has installed more than 150 U.S. solar projects and expects to have as much as 90 megawatts of capacity by year-end, more than Ikea Group and Apple Inc. (AAPL) (AAPL)

The Obama Administration has released a sweeping environmental plan for solar energy projects in California's Mojave Desert and five other western states that aims to expedite the permitting process while protecting sensitive lands and endangered wildlife.

Dunsfold Park in Surrey, home to the BBC's 'Top Gear' test track, last month became the first business park in the UK to be fed entirely by green energy.

Envision Solar, which builds high-quality and architecturally stunning solar canopies, is expanding into the Middle East.

Westerly zoning officials are taking up a proposal from a company that wants to build a solar energy park as part of the town's green energy initiative.

Any discussion about U.S. energy today inevitably turns to the new, abundant and cheap natural gas supplies being fracked from shale basins -- and how solar and wind can compete with it. But if you think of wind, solar and other renewable energy as an hedge against natural gas's price volatility, they start to look a bit more competitive.