 Over the past two decades, the U.S. 
Department of Energy (DOE) has supported 
a wide range of research initiatives in the 
field of combustion turbines. Before recent 
technological innovations, natural gas-fired 
combustion turbines converted anywhere 
from 25 to 35 percent of natural gas 
heating capacity to electricity. 
Today, many large power plants use heat-recovery 
steam generators to recover 
waste products in the reaction and use 
them to power steam turbines.
 Researchers have also developed 
techniques to operate combustion turbines 
at temperatures more than 300 degrees 
Fahrenheit higher than traditional turbines, 
which has achieved energy efficiencies of 
more than 60 percent. New technologies 
have also allowed for the reduction of 
harmful nitrogen oxide emissions, which 
represented one of the most serious 
problems facing combustion turbines.
 Looking forward, the DOE’s Fossil Energy 
Program will support the adoption of 
combustion turbine technology that 
incorporates coal-derived hydrogen 
fuels and synthesis gas. Over time, 
combustion turbines may play an 
important part in a near-zero emission, 
power-generation landscape.

An Introduction to Combustion Turbines

  • 2.
     Over thepast two decades, the U.S. Department of Energy (DOE) has supported a wide range of research initiatives in the field of combustion turbines. Before recent technological innovations, natural gas-fired combustion turbines converted anywhere from 25 to 35 percent of natural gas heating capacity to electricity. Today, many large power plants use heat-recovery steam generators to recover waste products in the reaction and use them to power steam turbines.
  • 3.
     Researchers havealso developed techniques to operate combustion turbines at temperatures more than 300 degrees Fahrenheit higher than traditional turbines, which has achieved energy efficiencies of more than 60 percent. New technologies have also allowed for the reduction of harmful nitrogen oxide emissions, which represented one of the most serious problems facing combustion turbines.
  • 4.
     Looking forward,the DOE’s Fossil Energy Program will support the adoption of combustion turbine technology that incorporates coal-derived hydrogen fuels and synthesis gas. Over time, combustion turbines may play an important part in a near-zero emission, power-generation landscape.