Subject
Energy policy
7
Appropriations and expenditures
5
Electric power systems Security measures
5
Renewable energy sources
5
Clean energy
4
Electric power distribution
4
Electric utilities Security measures
4
Renewable resource integration
4
Rules and practice
4
Climatic changes
3
Energy conservation Economic aspects
3
Energy conservation Law and legislation
3
Energy development Law and legislation
3
Hydroelectric power plants Licenses
3
Public utilities Law and legislation
3
Carbon dioxide mitigation Law and legislation
2
Clean energy industries
2
Climate change mitigation Economic aspects
2
Cogeneration of electric power and heat Law and legislation
2
Competition
2
Cyberterrorism Prevention
2
Electric industries Energy consumption
2
Electric power distribution Citizen participation
2
Electric utilities Economic aspects
2
Energy development Economic aspects
2
Energy development Government policy
2
Energy industries Finance
2
Energy policy Social aspects
2
Energy security
2
Green technology Economic aspects
2
Greenhouse gas mitigation Economic aspects
2
Hydroelectric power plants Law and legislation
2
Infrastructure (Economics)
2
Management
2
National security
2
Petroleum industry and trade Political aspects
2
Petroleum products
2
Petroleum reserves Planning
2
Power resources
2
Power resources Technological innovations
2
Public buildings Energy conservation
2
Smart power grids
2
Technological innovations Environmental aspects
2
Air Pollution
1
Biomass energy Standards
1
Buildings Repair and reconstruction
1
Carbon dioxide mitigation Government policy
1
Ceiling fans Standards
1
Clean energy industries Employees Supply and demand
1
Clean energy industries Vocational guidance
1
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