1 Overview
2 Types of plants
2.1 MicroCHP
2.2 Trigeneration
2.3 Combined heat and power district heating
2.4 Industrial CHP
2.4.1 Utility pressures versus self generating industrial
2.5 Heat recovery steam generators
3 Comparison with a heat pump
4 Distributed generation
5 Thermal efficiency
6 Costs
7 History
7.1 Cogeneration in Europe
7.2 Cogeneration in the United States
7.2.1 Diffusion
8 Applications in power generation systems
8.1 Non-renewable
8.2 Renewable
9 See also
10 Further reading
11 References