21 Apr

Electricity 101

Go Green Solar

This is a introduction to some of the fundamental concepts of electricity. Think of electricity …

18 Feb

In Focus: President Obama’s Next-Generation Energy System Plan

EDF Energy Exchange Blog

Tuesday’s State of the Union (SOTU) speech included much that was music to environmentalists’ ears.  …

07 Feb

Doubling U.S. Energy Productivity By 2030

EDF Energy Exchange Blog

The Alliance Commission on National Energy Efficiency Policy released a report today with recommendations that …

31 Jan

Technological Breakthroughs vs. A Carbon Diet

EDF Energy Exchange Blog

Over the weekend, The New Republic published an interview with President Obama, where he noted …

25 Apr

In Focus: High Voltage DC Transmission


For most of us, the concept of current is simply a flow of electricity that …

10 Jan

How Solar Power Inverters Work

POCO Solar Energy

A solar inverter converts electricity generated by your solar panels (this is direct current, or …

22 Sep

Solar Decathlon 2011 Kicks Off Tomorrow

Energy Refuge

The 2011 Solar Decathlon, a U.S. Department of Energy initiative, is well under way, with …

16 Apr

Aquaterr debuts solar-powered irrigation system to save water


Whilesome scientists are working on technology that could make trees texttheir owners when they’re in …