Two high-profile Senate Democrats introduced a proposal Tuesday that if passed would set domestic requirements on solar installations looking to qualify for the 30 percent Investment Tax Credit.

Lime Energy (NASD:LIME) has been a star in the very competitive energy services space recently because of its ability to maintain margins in what has been a very competitive environment. While competing small efficiency companies have been closing up shop in the Northeast, Lime has been growing revenues at 30 percent a year, while maintaining a gross margin of around 20 percent.

Scientists at the Salk Institute for Biological Studies and Iowa State University discovered a family of plant proteins that play a role in the production of seed oils, substances important for animal and human nutrition, biorenewable chemicals and biofuels.

Think of it like Costco or Sam's Club for purchasing solar photovolatics (PV). Some savvy folks in Oregon thought it would be a great idea to buy PV in bulk for their neighborhood to get a big volume discount and share the savings with neighbors.

Seven months after a trade investigation was launched, American solar companies and Chinese solar manufacturers will finally get a clear picture of the challenges ahead.

While North America continues to dawdle on the road to the renewable revolution, the conservative, oil-rich Kingdom of Saudi Arabia has proposed one of the most sweeping and massive moves to renewable energy on the planet.

Free Hot Water often highlights California’s generous subsidies for solar hot water installations, but it’s not the only state committed to solar water heating. Arizona’s utilities all offer different — but valuable — solar hot water incentives for both residential and commercial installations. Of course, these are

As several debt-addled European Union nations continue to push forward with austerity measures, recent developments show that the political pendulum may be shifting away from drastic spending cuts. If nothing else, those cuts aren't coming easily and the fallout could have drastic implications for renewable energy generation across much of the region.

Sovello has joined a growing roster of solar companies that have filed for bankruptcy over the past year, the German company said Monday. The announcement came after another German solar manufacturer, Soltecture, filed for bankruptcy last Wednesday.

Whether German feed-in tariffs or U.S. tax incentives, opponents of solar rail at its perceived high cost. But a story making rounds this week, "why power generators are terrified of solar," presents a powerful image that may flip this conventional wisdom on its head. Building lots of solar power can actually reduce electricity prices, to the disma