Bureau of the Census - Historical Statistics Back to Colonial Times
BPA - Northwest Energy Efficiency Business Listing
Central Intelligence Agency World Fact Book
Defense Energy Support Center
EPA, Atmospheric Pollution Prevention Division

EPA, Clean Energy

• Combined Heat and Power Partnership
• eGrid Database System
• Green Power Partnership
• How to Make a Difference Power Profiler
• Renewable Energy Modeling Series

Federal Energy Management Program

Federal Energy Regulatory Commission

• Electric
• Hydropower
• Liquified Natural Gas (LNG)
• Natural Gas
• Oil

FedStats
International Trade Administration - Energy Division
Minerals Management Service
National Petroleum Council
National Science Foundation
Public Housing Energy Conservation Clearinghouse
Residential Energy Efficiency Database - HHS
STAT-USA
U.S. Geological Survey (USGS)
USGS Energy Resources Program
USGS Minerals Information
U.S. Library of Congress - Country Studies