Subject
energy supply
energy policy
26
energy demand
20
energy production
17
renewable energy
7
energy economy
5
energy resource
4
energy technology
4
energy consumption
3
energy prognosis
3
sustainable development
3
efficiency
2
electric power transmission
2
energy analysis
2
energy conservation
2
energy management
2
energy security
2
energy statistics
2
energy storage
2
energy transition
2
future aspect
2
international cooperation
2
nuclear power
2
society
2
sustainability
2
European Union
1
Ukraine
1
biomass
1
climatic change
1
coal
1
development program
1
electric network
1
electric power generation
1
electric power industry
1
electricity
1
electricity market
1
energy
1
energy conversion
1
energy environment balance
1
energy model
1
energy planning
1
energy source
1
energy system
1
energy transport
1
environmental policy
1
ethical aspect
1
green energy
1
greenhouse effect
1
heating system
1
methanol
1
more ...