• Electric Power Research Institute - (EPRI)  nonprofit organization committed to global energy research
• International Association for Energy-Efficient Lighting (IAEEL) 
• International Organization for Standardization
• International Commission on Illumination CIE - Commission Internationale de l'Eclairage
• Energy Probe Research Foundation, Canada
  

Energy Related Publications 

• Energy Users News Magazine
• Greening Federal Facilities, Second Addition ( includes indoor & outdoor lighting - links to pdf)

Energy Related United States Federal Agencies 

• Bonneville Power Administration
• Environmental Protection Agency
• Department of Agriculture -- Rural Electric Utilities Service
• Department of Energy Homepage
• Department of Energy - Energy Efficiency and Renewable Energy Network (EREN)
• Department of Energy - The Office of Building Technology, State and Community Programs
• Department of Energy - Energy Information Administration
• Department of Energy - Information Bridge
• Department of Energy - Office of Science
• Department of Energy - Office of Scientific and Technical Information
• Department of Energy - Sustainable Development Center
• Department of Interior - Bureau of Reclamation
• Environmental Protection Agency
• Federal Energy Management Program
• Federal Energy Regulatory Commission (FERC)
• Geological Survey
• National Science Foundation
• WAPA -- Western Area Power Administration

United States Government Laboratories Related to Energy and Illumination

• National Labs links at California Energy Commission Web Site
• Lawrence Berkeley Laboratory
• Lawrence Livermore National Laboratory
• Oak Ridge National Laboratory
• Pacific Northwest National Laboratory

Energy Related State Agencies

• NASEO - State Energy Office Links
• California Energy Commission's Homepage
• Nevada State Energy Office (NSEO)
• New Jersey Division of Energy
• New Mexico Energy Energy Conservation and Management Division
• New Mexico Energy Minerals and Natural Resources Department
• New York State Energy Research and Development Authority
• Massachusetts Division of Energy Resources (DOER)
• Massachusetts Technology Park Corporation (MTPC)
• Massachusetts Technology Collaborative, same as MTPC above
• Ohio Office of Energy Efficiency (OEE)

Conservation and Energy Efficiency

• Greening Federal Facilities, Second Addition ( includes indoor & outdoor lighting - links to pdf)
• Lighting Questions and Answers - CEC
• California Energy Commission's (CEC) Web Page - Flex your Power
• American Council for an Energy-Efficient Economy 
• California Energy Commission's Web Page - Conservation and Energy Efficiency
• The Northwest Energy Efficiency Alliance
• Alliance to Save Energy

• California Energy Commission - Outdoor Lighting Baseline Assessment
• What's that light cost you?   - Thanks to Tim Poulsen for his JavaScript!
• Lighting Savings Worksheet - from DOE Office of Building Technology (BTS)
• - from DOE Office of Building Technology (BTS)
• Environmental Protection Agency - Green Lights Program
• California Energy Commission's Web Page - Lighting and Illumination
• Energy Efficient Lighting Association (EELA)
• Sky Glow: Light Trespass, by Ian Lewin  -- Lighting Online
  
  "It is clear that full cut-off fixtures outperform floodlights."

Renewable and Dark Sky Friendly Energy Generation

• The Center for Energy Efficiency and Renewable Technologies
• Solar Energy Industries Association (SEIA) - Energy in the day when it is needed.
• American Solar Energy Society

Related Links 

• Find out about YOUR electricity
• North Carolina Department of Environment and Natural Resources
• National Association of State Energy Officials
• The Lighting Design Lab Links
• Pacific Northwest energy efficiency Links
• New York State Energy Research and Development Authority Links
• Alliance to Save Energy Links Page