American Depositary Receipts (ADRs) of Chinese solar wafer and module manufacturer ReneSola Ltd. (NYSE: SOL) (market cap $799 million) fell 16.74% Tuesday -- and recovered 3% in early trading today -- after reporting strong 2010 revenue and earnings growth, but scaring investors with lower gross margins in Q4 compared to Q3 and with a forecast that Q1 2011 revenues will be 14%-20% lower than Q4 2010 revenues.
(OTHER NEWS: Western Wind Energy Corp., A123 Systems, Inc.)
On October 13, word leaked out that Macy’s fulfillment center in Goodyear, Arizona was getting a solar power system – one that company representatives described as “the biggest single-rooftop system in the United St
In a move that is certain to change the color paradigm for roofing shingles, last week U.S. Department of Energy (DOE) Secretary Steven Chu directed his agency to implement cool roof technologies in all new buildings, roof replacements and roofing retrofits whose energy savings justify the cost of replacement.
Quick! What’s the most efficient renewable energy source? Solar? Wind? Geothermal? Well, according to Replenish Energy, the answer is microalgae.
The Cleantech Open recently announced the winners of this year’s competition at the third annual Cleantech Open Expo and Awards Gala in San Francisco. Dubbed the “Academy Awards of Clean Technology,” the event marks the grand finale of the Cleantech Open's yearlong business competition.
Egypt relies on the burning of fossil fuels to satisfy about 85 percent of its electricity requirements--which are growing at a rate of 8 percent per year. With the Arab country's fossil fuel supply expected to dry up within the next 30-50 years, policy makers are taking a close look at Wind Energy to calculate its potential.