The California Energy Commission has worked with research originating at the California Lighting Technology Center to publish an LED lamp quality specification that SSL manufacturers will have to follow for products to qualify for utility incentives.

Appeals have been filed against the US Department of Commerce's recent ruling that Chinese photovoltaic manufacturers may assemble and ship modules to the US using solar cells produced in countries outside of China without incurring tariffs.

Starting from January 26, Americans will have to get permission to "unlock" their smartphone so it runs on more than one mobile network.

An audacious plan to lay a multibillion-dollar wind power transmission spine under the seabed from southern Virginia to the New York City area will take a step forward on Tuesday with an announcement of plans for the first leg, a 189-mile segment running from Jersey City to a spot south of Atlantic City.

California's rebate program for businesses and homeowners who install solar panels has now funded enough systems to generate 1GW of electricity - a level few countries and no other states have ever reached.

MidAmerican Energy is buying two solar power projects under construction in Southern California from SunPower Corp. that will generate 579MW of electricity.

A record 247 million people visited stores and websites between Thursday and Sunday and spent a total of $59.1bn (瞿36.9bn), 13% more than last year, the National Retail Federation (NRF) said.

US International Trade Commission (ITC) unanimously confirmed the imposition of anti-dumping and countervailing duties between 24% and 255% on imports of crystalline silicon solar photovoltaic (PV) cells from China, and modules made from those cells.

China-based producers on Thursday protested the US latest decision to slash trade duties on solar energy products from China.

Solyndra, the bankrupt solar- panel maker that received a US$535 million US government loan guarantee, accused Suntech Power Holdings and other China-based panel makers of driving it out of business by running an illegal cartel.

The US on Wednesday slapped steep final duties on billions of dollars of solar energy products from China, but turned down a request from lawmakers and US manufacturers to expand the scope of its order.

China demanded Thursday that Washington repeal steep tariffs on solar panels that China-based producers fear will shut their equipment out of the American market.

A tiny solar company named SoloPower will flip the switch on production at a US.= factory Thursday, a major step toward allowing it to tap a US$197 million government loan guarantee awarded under the same controversial program that supported failed panel maker Solyndra.

First Solar Inc. CEO Jim Hughes is stepping up efforts to manage power plants that generate electricity from the sun, helping utilities use the technology in a way his rivals in China can't.

In a move that escalates a trade row with the United States, China said it would ask the World Trade Organization (WTO) to adjudicate a dispute over US punitive import duties on 22 China-based exports, including solar panels and steel products.

China's government has ruled that US government support to six American solar and wind power projects violates free trade rules, adding to strains between Beijing and its trading partners over renewable energy.