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Combined heat and power (CHP): Types of technology 

See how combined heat and power (CHP) systems vary below.

The CHP technology overview (PDF) gives an introduction to CHP, its design, selection, installation and operation.

 
 

Introduction Financing options
Types of technology Top 3 carbon saving measures
Site suitability and feasibility Publications and resources
Business case

Types of technology
  • Scale
    • Micro (below 50 kWe)
    • Small (below 1.5 MWe)
    • Large (from 1 MWe up to hundreds of MWe)
  • Fuel
    • Natural gas
    • Bio–gas
    • Diesel (gas oil)
  • Heat grade
    • Low (up to 95°C) - usually called ‘low temperature hot water’
    • Medium (between 100 - 150°C) - usually called ‘medium temperature hot water’
    • High (over 150°C)

Systems can also have different types of engine:

Type of engine  Typical output      Typical fuels Heat grade
Gas turbine 1MWe - 200MWe Natural gas, gas oil, landfill gas, biogas, mine gas/process gas High
Steam turbine 0.5MWe upwards Any but converted to steam
 Medium
Combined-cycle 10MWe upwards Natural gas, gas oil, landfill gas, biogas, mine gas/process gas Medium
Spark-ignition engine Up to 4MWe upwards Natural gas, landfill gas, biogas, mine gas/process gas Low and high
Compression-ignition engine Up to 15MWe upwards Natural gas +5% gas oil, heavy fuel oil Low and high 

Further information
Read about our field work in Micro CHP


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