Fuel

(100%)

Electricity for

transmission

(35%)

Generation/heat

losses (65%)

Conventional Power Plant

Gas-fuelled CHP plant

90%

Efficiency

Generation/heat losses (10%)

Fuel

(100%)

Electricity (45%)

Useful Heat (45%)

Transmission Losses

(1.5%)

Supplied electricity

(efficiency) 33.5%

2.08 kWh loss4.33 kWh

1.00 kWh electricity

1.25 kWh heat

Steam turbine

Boiler

1.47 kWh

2.86 kWh

2.5 kWh

Gas

Supply

1.00 kWh electricity

0.25 kWh losses

1.25 kWh heat

CHP engine

0.669 kg CO2

0.294 kg CO2

0.963 kg CO2

0.5 kg CO2

48% CO2

reduction

42% Primary

Energy

Savings