Solar Power

SunPower Holds the Lead in Solar Panel Efficiency

SunPower recently launched its SunPower E20 series of solar panels, the industry's first commercially available panels which provide a total area efficiency of more than 20%. That gives SunPower a significant competitive advantage over its competitors.

Austerity Means a Cloudier Forecast for LDK Solar

LDK Solar has long depended on demand driven by government subsidies from countries such as Germany, Spain and Italy, which makes it vulnerable in this period of European austerity. Trefis has revised its estimates for LDK Solar down -- but still meaningfully above the market price.

A Hot Solar Stock: SunPower's Sales Have Far to Rise

SunPower boasts of being able to manufacture the most efficient large-scale solar modules in the industry, and shipments of its residential and commercial components have been growing rapidly. Trefis predicts they'll keep growing, especially if federal policy shifts further in favor of solar.

Can You Profit from Obama's New Energy Policy?

Last week, President Obama outlined a new energy policy that aims to reduce America's dependence on foreign oil by using more natural gas, wind and solar power, and encouraging manufacturers to build more fuel-efficient cars. But how can patient investors capitalize on these trends?

The Mideast's Favorable Breeze for Wind Power

With oil prices soaring on Mideast turmoil, alternative energy sources such as wind are again drawing the public's attention. But wind technology hasn't been standing still: Its power output worldwide jumped by 22% last year. However, it's still nowhere near replacing oil.

California's SolarCity Sees a Bright Market on the East Coast

California-based solar panel installer SolarCity has announced its second East Coast deal in a month: It's buying the residential solar business of Vermont-based groSolar, hard on the heels of its purchase of Maryland's Clean Currents. And SolarCity isn't the only West Coast solar player looking toward the sunrise for growth.

Natural Gas Boom: Cheap, Clean Fuel Presents Problem, Too

A natural gas boom is coming in the U.S, but while consumers are likely to benefit from the cheap energy source, investors may not. Huge new discoveries of domestic reserves may keep prices down, and the political push toward renewable energy sources could cut into producers' profits.

Earnings for China's LDK Solar Far Outshine Estimates

The Chinese maker of solar wafers, modules and cells reported third-quarter earnings that easily beat analyst estimates on strong demand and improved pricing environment. The company also raised its outlook much above expectations.

5 big household expenses you can easily cut

While cutting out that daily latte may help your day-to-day expenses, cutting the cable service or a telephone line can mean hundreds or even thousands of dollars in savings.

Why Oil Services Stocks Are Starting to Get Hot

As rapid economic development and a population boom take place in the developing world, oil will play an increasingly vital role, no matter what its drawbacks. That puts the likes of Schlumberger, Weatherford and Baker Hughes in a sweet spot.

D.C. Power Couple Tells Solar Confab How to Pitch to GOP

Republicans can be friendly to solar energy -- just don't use the terms "recovery act" or "stimulus package" when lobbying them for government subsidies. That was the message from GOP political adviser Mary Matalin at the largest solar conference in the country on Thursday.