Most combined-cycle power plants employ two combustion turbines with one steam turbine - U.S. Energy Information Administration (EIA)
![Natural gas generators make up the largest share of overall U.S. generation capacity - U.S. Energy Information Administration (EIA) Natural gas generators make up the largest share of overall U.S. generation capacity - U.S. Energy Information Administration (EIA)](https://www.eia.gov/todayinenergy/images/2017.04.20/main.png)
Natural gas generators make up the largest share of overall U.S. generation capacity - U.S. Energy Information Administration (EIA)
![Average utilization for natural gas combined-cycle plants exceeded coal plants in 2015 - U.S. Energy Information Administration (EIA) Average utilization for natural gas combined-cycle plants exceeded coal plants in 2015 - U.S. Energy Information Administration (EIA)](https://www.eia.gov/todayinenergy/images/2016.04.04/main.png)
Average utilization for natural gas combined-cycle plants exceeded coal plants in 2015 - U.S. Energy Information Administration (EIA)
![Technology, Low Prices Boosting U.S. Natural Gas-Fired Power Plant Efficiency - Natural Gas Intelligence Technology, Low Prices Boosting U.S. Natural Gas-Fired Power Plant Efficiency - Natural Gas Intelligence](https://www.naturalgasintel.com/wp-content/uploads/2023/10/Annualized-Capacity-Factor-of-U.S.-Combined-Cycle-NatGas-Turbine-Power-Plants-09292023.png)
Technology, Low Prices Boosting U.S. Natural Gas-Fired Power Plant Efficiency - Natural Gas Intelligence
![Capacity factors of combined-cycle plants increasing as efficiency improves - EIA - Power Engineering International Capacity factors of combined-cycle plants increasing as efficiency improves - EIA - Power Engineering International](https://www.power-eng.com/wp-content/uploads/2023/11/image-4.png)
Capacity factors of combined-cycle plants increasing as efficiency improves - EIA - Power Engineering International
![A Little Math Shows Switching to Natural Gas Will Probably Increase Fuel Costs for Minnesota Ratepayers A Little Math Shows Switching to Natural Gas Will Probably Increase Fuel Costs for Minnesota Ratepayers](https://files.americanexperiment.org/wp-content/uploads/2018/11/Heat-Rates.png)
A Little Math Shows Switching to Natural Gas Will Probably Increase Fuel Costs for Minnesota Ratepayers
![Power blocks in natural gas-fired combined-cycle plants are getting bigger - U.S. Energy Information Administration (EIA) Power blocks in natural gas-fired combined-cycle plants are getting bigger - U.S. Energy Information Administration (EIA)](https://www.eia.gov/todayinenergy/images/2019.02.12/chart3.png)