Sempra and First Solar join forces for Nevada solar farm

Sempra and First Solar join forces for Nevada solar farm

Sempra Energy, the major utility and energy services company in Southern California, announced today that it has contracted First Solar to build a 48-megawatt array of solar panels in the Nevada desert, dubbed Copper Mountain. The facility is expected to start producing electricity within the… Continue Reading

Prism Solar looks to raise ambitious $150M for solar hologram plant

Prism Solar looks to raise ambitious $150M for solar hologram plant

Prism Solar Technologies, maker of concentrating solar film that is said to up the efficiency and cut the cost of solar panel installations, has launched its second round of funding — hoping to bring in at least $150 million to finance the restoration of an… Continue Reading

The economy clouds solar’s skies

The economy clouds solar’s skies

For a while, it seemed that the solar power sector would weather the downturn fairly unscathed — but it hasn’t been so lucky, at least in the short run. Not only has venture capital dried up for experimental technology startups, but fewer and fewer homeowners… Continue Reading

eSolar nabs $30M licensing deal for Indian plants

eSolar nabs $30M licensing deal for Indian plants

eSolar has been focusing increasingly on building large-scale plants in the U.S., and shedding plans to do the same overseas. Just last week, it announced that it sold its rights to build 500 megawatts worth of solar-thermal plants to NRG Energy for $10 million in… Continue Reading

Ausra lowers sights on solar plants, cuts staff

Ausra lowers sights on solar plants, cuts staff

Solar energy company Ausra announced that it no longer plans to build massive solar thermal plants across the southwest and California desert due to poor economic conditions, shifting its focus to smaller-scale power generation plants. To weather the downturn, the Palo Alto, Calif. firm is… Continue Reading

Are the economies of scale in PG&E’s 800 megawatt solar installation real?

Are the economies of scale in PG&E’s 800 megawatt solar installation real?

Pacific Gas & Electric, the utility that services much of northern and central California, has announced plans to buy electricity from an 800 megawatt solar panel installation, a vast project many times the size of anything currently existing.

The move is somewhat surprising, because the expectation… Continue Reading

Ontario makes dark horse bid for North American cleantech crown

Ontario makes dark horse bid for North American cleantech crown

While the United States has remained at an impasse over the extension of its clean energy tax credits, the Canadian province of Ontario has been busy positioning itself as a go-to destination for cleantech’s mountains of cash.

Ontario initiated a flurry of incentive programs aimed at… Continue Reading

Duke Energy invests $100M in rooftop solar projects

Duke Energy invests $100M in rooftop solar projects

Duke Energy — hardly your conventional renewable energy startup — has thrown its hat in the solar ring with a $100 million investment in commercial-scale rooftop solar panels.

The Charlotte, North Carolina, based electric utility will partner with commercial and residential property owners to tap into… Continue Reading

HelioVolt claims CIGS thin film efficiency record

HelioVolt claims CIGS thin film efficiency record

HelioVolt CEO BJ Stanbery is set to announce that his company has set a new speed record for CIGS conversion efficiency, ratcheting up the pressure in the competitive, high-stakes thin-film solar cell sector. The Austin, Texas, start-up, which raked in a cool $101 million in… Continue Reading

We should be talking more about Optisolar — a solar startup with big plans

We should be talking more about Optisolar — a solar startup with big plans

Firms need attention to thrive, right? Well, no, not always — some companies prefer to remain in stealth until they’ve reached some milestone, or maybe just indefinitely.

Put Optisolar, a manufacturer of thin-film solar panels, in that latter category. When we first reported on Optisolar a… Continue Reading

Small municipal plants could be the future for solar power

Small municipal plants could be the future for solar power

Writing on Nanosolar’s blog, CEO Martin Roscheisen has unveiled the next prong in his firm’s business plan — a focus on municipal solar power plants of 2 – 10 megawatts in size. The idea is to build 10 acre lots on the outskirts of small… Continue Reading

Secretive Silicon Valley company, OptiSolar, builds largest solar farm

Secretive Silicon Valley company, OptiSolar, builds largest solar farm

A secretive Hayward, Calif. company has just announced it will build the largest solar power “farm” in North America, using solar cells manufactured in Silicon Valley.

The site, near Sarnia in Ontario, Canada, will be enough to power between 10,000 and 15,000 homes on sunny days,… Continue Reading