Engineers at the Fraunhofer Institute for Laser Technology, in Aachen, Germany, have invented a laser system that can drill 3000 holes per second in a solar cell during the manufacturing process. The holes improve the system of electrical contacts and thereby the cell’s efficiency.
Biofuels Aren't Really Green
Cultivate inorganic energy sources instead of biofuels
The Biggest Little PV Plant in the East
The northeastern United States is not where most would think to put a photovoltaic power plant. But one just started up in Pennsylvania this winter. It's delivering the watts, but at what cost?
German Solar Subsidies Are Questioned
They appear to helping China's exporters even more than domestic PV manufacturers
The Sun Race Gets Real
After a radical rule change, can the defending champion Nuon Solar Team win a fourth straight World Solar Challenge?
The Tech Behind the Winning Solar Car
A mix of satellite-grade solar cells, good batteries, a new motor, and a little luck
BP Closes Another Solar Manufacturing Plant
Ironcally, development shows how far photovoltaics has come, despite British Petroleum
The Top PV Equipment Manufacturer Establishes R&D Lab in Xian
With China expected to account for two thirds of world photovoltaic production, Applied Materials is going where the action is
Summer Reading (Energy Edition)
China's solar takeover, the ambiguous climate benefits of EVs, and more
Will Lower Solar Costs Revive Moore's Law Talk?
Not clear how big a factor technological progress is
IEEE volunteer-driven project starts small but has big ambitions
What's the Score in Utility-Scale Solar?
A lot of big projects in development, a lot of which won't get built
Chinese production, global overcapacity and excessive subsidies take their toll
Will the Real PV Price Please Stand Up?
Not on your life, it won't
Solar Seven Sue China over Trade Violations
U.S. manufacturers object to low prices charged for imported photovoltaic panels
In Solar Shakeout, Focus Shifting to Big-Name Players
Mixed news about First Solar and Q-Cells
Large Solar Project Proceeds on a Commercial Basis
SolarCity wins private financing without Federal government guarantee
Second Commercial Breakthrough for Large-Scale Solar
Warren Buffett enables Topaz project to go forward without Federal loan guarantee
Solar Cells in Smartphone Screens
Researchers advance thin-film energy harvesters
Nanostructures Catch the Light
Razor-thin solar cells could be cheap but need a little help holding light in
Have German Solar Subsidies Failed?
They have, says Bjorn Lomborg, the skeptical environmentalist who was once a solar enthusiast