Subject
energy supply
renewable energy
4
energy system
3
building
2
change management
2
economic development
2
energy model
2
energy production
2
ethanol
2
future aspect
2
hydrogen
2
regional planning
2
sustainability
2
biological energy conversion
1
climate protection
1
cogeneration
1
economic model
1
efficiency
1
electric power
1
electric power supply
1
electric power transmission
1
energy carrier
1
energy consumption
1
energy research
1
fuel cell
1
global warming
1
greenhouse effect
1
heating
1
hydrogen energy
1
international cooperation
1
methanol
1
methanol production
1
modeling
1
natural gas supply
1
optimization
1
photovoltaics
1
power grid
1
power supply
1
road traffic
1
socioeconomic aspect
1
solar energy
1
solar energy conversion
1
solid oxide fuel cell ( SOFC )
1
space heating
1
sustainable development
1
synthetic fuel
1
traffic
1
urban area
1
water supply
1
wind energy
1