United States United States · 35.602, -84.790

Watts Bar

Watts Bar, nuclear power plant in United States, operates 2 pressurized water reactors with 2,321 MW net installed capacity and has been in service since 1996.

Unit Watts Bar 1 has been operating for 30 years, since 1996. Its 2,321 MW net are enough to supply about 7,310,000 households.

Country
United States
Units
2
Technology
PWR
Net capacity
2,321 MWe
First grid connection
1996
Operator
Tennessee Valley Authority
Owner
Tennessee Valley Authority
Status
Operating
Operating capacity
2,321 MWe
net electrical
Units
2
2 operating
First start-up
1996
Watts Bar
Photo: Wikimedia Commons · author and license

Units

UnitTypeModelStatusMWeMWtConstruction startGrid connectionClosureLicence untilLoad factor
Watts Bar 1Pressurized water (PWR)Westinghouse 4-loop (WH 4LP)Operating1,1573,459Jul 20, 1973Feb 6, 1996—Nov 9, 203584.1 % (2024)
Watts Bar 2Pressurized water (PWR)Westinghouse 4-loop (WH 4LP)Operating1,1643,411Sep 1, 1973Jun 3, 2016—Oct 21, 205599.8 % (2024)

Data: IAEA PRIS · Wikipedia · updated on Sep 17, 2026

Watts Bar 1, a 1,157 MWe PWR (Westinghouse 4-loop (WH 4LP)), started construction in 1973, was connected to the grid in 1996 and is still operating, with a 84.1% load factor in 2024.

Watts Bar 2, a 1,164 MWe PWR (Westinghouse 4-loop (WH 4LP)), started construction in 1973, was connected to the grid in 2016 and is still operating, with a 99.8% load factor in 2024.

Operator: Tennessee Valley Authority.

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