How many natural gas power plants are in Tennessee?

There are 14 operating natural gas power plants in Tennessee.

What is the total natural gas capacity in Tennessee?

The total operating natural gas capacity in Tennessee is 7,388 MW.

What is the largest natural gas power plant in Tennessee?

The largest natural gas power plant in Tennessee is Johnsonville at 1,676 MW, located in Humphreys, Tennessee.

How many natural gas power plants were built in Tennessee in 2025?

1 natural gas power plants were built in Tennessee in 2025.

Natural Gas Power Plants in Tennessee

Explore the largest natural gas power plants in Tennessee and see all the utility-scale natural gas projects in Tennessee on a map.

Last updated: May 2026

On this page, you can explore our real-time database of natural gas power plants in Tennessee. Each month, we track natural gas projects and update our list of the largest natural gas power plants in Tennessee.

As of May 2026, there are 14 utility-scale natural gas power plants in Tennessee, according to Cleanview's project tracker. Their total operating capacity is 7,388 MW. In 2025, there was 1 natural gas power plant built in Tennessee. See also: planned natural gas power plants in Tennessee→

Total Natural Gas Power Plants

Total Capacity

7,388 MW

Built in 2025

Tennessee Natural Gas Map

Map of natural gas power plants in Tennessee. Marker size reflects capacity — only facilities with reported capacity data are shown.

Largest Natural Gas Power Plants in Tennessee

Johnsonville

1,676 MW

Year Operational: August 2025

Location: Humphreys, Tennessee

Lagoon Creek

1,625 MW

Year Operational: September 2010

Location: Haywood, Tennessee

Allen

1,171 MW

Year Operational: April 2018

Location: Shelby, Tennessee

John Sevier

997 MW

Year Operational: April 2012

Location: Hawkins, Tennessee

Gallatin (TN)

663 MW

Year Operational: July 2000

Location: Sumner, Tennessee

Gleason Generating Facility

568 MW

Year Operational: June 2000

Location: Weakley, Tennessee

Brownsville Peaking Power

460 MW

Year Operational: June 1999

Location: Haywood, Tennessee

Tennessee Eastman Operations

84 MW

Year Operational: July 1983

Location: Sullivan, Tennessee

Primient Loudon Plant

61 MW

Year Operational: October 2016

Location: Loudon, Tennessee

Recently Built Natural Gas Power Plants in Tennessee

Johnsonville

1,676 MW

Year Operational: August 2025

Location: Humphreys, Tennessee

Allen

1,171 MW

Year Operational: April 2018

Location: Shelby, Tennessee

Vanderbilt University Power Plant

19 MW

Year Operational: July 2017

Location: Davidson, Tennessee

Primient Loudon Plant

61 MW

Year Operational: October 2016

Location: Loudon, Tennessee

John Sevier

997 MW

Year Operational: April 2012

Location: Hawkins, Tennessee

Lagoon Creek

1,625 MW

Year Operational: September 2010

Location: Haywood, Tennessee

Domtar Kingsport Mill

50 MW

Year Operational: October 2006

Location: Sullivan, Tennessee

Gallatin (TN)

663 MW

Year Operational: July 2000

Location: Sumner, Tennessee

Gleason Generating Facility

568 MW

Year Operational: June 2000

Location: Weakley, Tennessee

Frequently Asked Questions

How many natural gas power plants are in Tennessee?: There are 14 operating natural gas power plants in Tennessee.
What is the total natural gas capacity in Tennessee?: The total operating natural gas capacity in Tennessee is 7,388 MW.
What is the largest natural gas power plant in Tennessee?: The largest natural gas power plant in Tennessee is Johnsonville at 1,676 MW, located in Humphreys, Tennessee.
How many natural gas power plants were built in Tennessee in 2025?: 1 natural gas power plants were built in Tennessee in 2025.

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