World Power Plants

South Texas Nuclear Generating Station2,708.6 MW Nuclear

NuclearVerified: Mar 2026

The South Texas Nuclear Generating Station is a significant nuclear power generation facility located in the United States, in the state of Texas. With a capacity of 2708.6 MW, this power plant has been operational since its commissioning in 1988. The facility is strategically operated by the South Texas Project Nuclear Operating Company and employs sophisticated pressurized water reactor (PWR) technology, which is known for its reliability and efficiency in generating electricity. Situated at coordinates 28.7956, -96.0489, the South Texas Nuclear Generating Station plays a crucial role in the regional energy mix, providing substantial electricity to the local grid and ensuring a stable power supply for the broader Texas region. The significance of this plant is underscored by its contribution to the national energy landscape, where nuclear power serves as a low-carbon alternative to fossil fuels, thus supporting efforts to combat climate change. The operational context of the South Texas Nuclear Generating Station aligns with U.S. energy policies that favor energy independence and environmental stewardship. As the demand for clean energy continues to grow, this facility exemplifies the importance of nuclear power in achieving a sustainable energy future for the United States.

Capacity
2,708.6 MW

2.71 GW

Commissioning Year
1988

38 years old

Owner
Nuclear Innovation North America
Location
28.7956°, -96.0489°

United States of America, North America

Context & rankings
  • 25. largest of 10,098 plants in United States of America
  • #399 worldwide by installed capacity
  • #111 of 514 Nuclear plants worldwide
  • 0.19% of the installed capacity of United States of America
Age & fleet comparison

38 years in operation

Nuclear fleet average: 38.1 years

Operator portfolio

Nuclear Innovation North America operates 1 plants totalling 2,709 MW

Regional density

32 plants within 100 km, 17,860 MW combined

Nearest plant: Aktina Solar (42.5 km)

Data provenance

Source: Wikidata

Location

Coordinates:: 28.795600, -96.048900
Open in Google Maps
Carbon Footprint

Zero Direct Emissions

South Texas Nuclear Generating Station is a nuclear power plant producing approximately 20168 GWh of clean electricity per year with zero direct CO₂ emissions during operation.

Lifecycle emissions: ~12 g CO₂/kWh (manufacturing, transport, decommissioning)

Technical Details

Primary Fuel Type
Nuclear
Energy Source
Non-Renewable
Country
United States of America
Continent
North America
Data Source
Global Power Plant Database

Overview of the South Texas Nuclear Generating Station

The South Texas Nuclear Generating Station (STNGS) is a prominent nuclear power facility located near Bay City, Texas. With a total generating capacity of 2,708.6 megawatts (MW), STNGS plays a crucial role in the energy landscape of the United States, contributing significantly to the country's electricity supply. The plant is designed to operate using nuclear fuel, specifically enriched uranium, which undergoes a nuclear fission process to produce heat. This heat is then used to generate steam that drives turbines, ultimately producing electricity. The facility consists of two reactors, which are pressurized water reactors (PWRs), a common design type in the U.S. nuclear fleet. Each reactor is equipped with advanced safety systems designed to prevent accidents and mitigate potential environmental impacts.

Nuclear power, as demonstrated by STNGS, has a unique position in the energy sector due to its ability to produce large amounts of electricity without emitting greenhouse gases during operation. This characteristic makes nuclear energy a vital component in the transition toward cleaner energy sources, particularly in efforts to combat climate change. The South Texas Nuclear Generating Station, therefore, not only supports the regional grid but also aligns with national goals of reducing carbon emissions and increasing energy independence.

The environmental impact of nuclear power plants, including STNGS, is multifaceted. While they do not produce air pollutants or carbon dioxide during energy generation, there are concerns related to nuclear waste management and the potential for accidents. STNGS has implemented rigorous safety protocols and waste management strategies to mitigate these risks. The spent nuclear fuel is stored on-site in a robust, secure facility until a long-term disposal solution is developed. Additionally, the plant's operations include stringent monitoring to ensure compliance with environmental regulations, further minimizing its ecological footprint.

Regionally, the South Texas Nuclear Generating Station is significant not only for its contribution to the local economy through job creation and infrastructure investment but also for its role in ensuring energy reliability for millions of residents in Texas. As one of the largest power plants in the state, STNGS supports the Texas electrical grid, which is known for its independent operation. Its consistent power generation capabilities are particularly crucial during peak demand periods, such as hot summer months when electricity consumption surges.

In conclusion, the South Texas Nuclear Generating Station stands as a key player in the United States' energy sector, providing substantial nuclear power while adhering to safety and environmental standards. Its role is vital in advancing the nation’s energy goals, contributing to economic stability, and promoting a cleaner energy future.

United States of AmericaEnergy Profile

10,098
Total Plants
1420.7 GW
Total Capacity
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