- BBB Reliability Report for FL Green Energy, LLC
- Kroger Sustainability Report: Energy Use Down 27% since 2000
- Recovery Act Announcement: Secretary Chu Highlights Recovery Act Tax Credits for Home Energy Efficiency Improvements
- FPL customer bills to rise 16% by January due to fuel costs
- House Passes Climate Bill
- DOE Awards More than $204 Million for State Energy Programs in 10 States
- Does the "Sunshine" State have a sufficient solar resource to support solar energy applications?
- Google Rolls Out Home Energy Software
- A Brief Look Ahead: Innovation in Solar Energy Continues Despite Slowing Economy
- Secretary Chu: President's Energy Budget Creates Jobs, Restores America's Scientific Leadership and Puts Nation on the Path to Energy Independence
Z
Zenith Angle — the angle between the direction of interest (of the sun, for example) and the zenith (directly overhead).
