World Power Plants

The Limestone power generation facility is a significant coal-fired power plant located in the United States, specifically at coordinates 31.4219, -96.2525. With a capacity of 1849.8 MW, this plant represents a considerable investment in coal technology, playing a vital role in Texas's energy landscape. Operated by NRG Texas Power LLC and commissioned in 1986, the Limestone facility is notable for its use of coal as the primary fuel, along with petcoke and gas as secondary and tertiary fuels, respectively. This multi-fuel capability enhances the plant’s operational flexibility, allowing it to respond effectively to market demands and grid requirements. The Limestone power station is crucial for ensuring a stable energy supply in a state renowned for its vast energy needs and diverse generation portfolio. As Texas continues to address energy policy challenges, including renewable integration and emissions reduction, the Limestone facility underscores the ongoing reliance on coal within the broader context of the state's energy strategy, all while contributing significantly to both local and regional electricity needs.

Capacity
1,849.8 MW

1.85 GW

Commissioning Year
1986

40 years old

Owner
NRG Texas Power LLC
Location
31.4219°, -96.2525°

United States of America, North America

Context & rankings
  • 131. largest of 10,098 plants in United States of America
  • #954 worldwide by installed capacity
  • #368 of 2,793 Coal plants worldwide
  • 0.13% of the installed capacity of United States of America
Age & fleet comparison

40 years in operation

Coal fleet average: 29.2 years

Operator portfolio

NRG Texas Power LLC operates 7 plants totalling 9,189 MW

Regional density

12 plants within 100 km, 5,667 MW combined

Nearest plant: Oak Grove (TX) (34.9 km)

Location

Coordinates:: 31.421900, -96.252500
Open in Google Maps
Carbon Footprint820 g CO₂/kWh
Annual CO₂
7.31 Mt
8912 GWh/year × 820 g/kWh
Cumulative CO₂
292.32 Mt
Over 40 years of operation
Closing Soon
2026
Expected to retire this year
Annual emissions equivalent to
1.6M
cars per year
974.4K
homes per year
332.2M
trees to offset

Estimates based on Coal emission factor (820 g CO₂/kWh) and capacity factor (55%). Actual emissions may vary based on operating conditions, efficiency, and fuel quality.

Technical Details

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

Limestone Power Plant: A Cornerstone of Coal-Fired Energy in the USA

The Limestone Power Plant, located in the United States, is a significant coal-fired power facility with a total generating capacity of 1849.8 megawatts (MW). Commissioned in 1986, the plant is owned and operated by NRG Texas Power LLC and plays a crucial role in the energy landscape of Texas and the broader American power sector. As one of the larger coal-based power plants in the country, Limestone contributes to the reliability and stability of the electrical grid, particularly in a region that has seen fluctuating energy demands over the years.

The plant primarily utilizes coal as its fuel source, a fossil fuel that has been a cornerstone of energy generation in the United States for decades. Coal is favored for its abundance and cost-effectiveness, especially in regions where coal deposits are readily available. The Limestone Power Plant employs advanced technologies to optimize combustion efficiency and reduce emissions, thereby enhancing overall performance. The use of coal, while economically advantageous, raises concerns regarding greenhouse gas emissions and other pollutants, prompting ongoing discussions about cleaner alternatives in the energy sector.

Environmental impact is a critical consideration for the Limestone Power Plant. Coal combustion results in the release of carbon dioxide (CO2), sulfur dioxide (SO2), nitrogen oxides (NOx), and particulate matter, all of which contribute to air pollution and climate change. In response to environmental regulations, the plant has implemented various measures to mitigate its ecological footprint, including scrubbers and other emission control technologies designed to reduce harmful emissions. Despite these efforts, coal-fired plants like Limestone face increasing scrutiny as the nation moves towards a more sustainable energy future, exploring options such as renewable energy sources and natural gas.

Regionally, the Limestone Power Plant holds substantial significance for Texas, a state that is a leader in both energy production and consumption. The plant not only provides a considerable amount of electricity to meet the demands of residential, commercial, and industrial users but also serves as an essential backup during peak demand periods. The reliability of the Limestone Power Plant is particularly important given Texas's growing population and the increasing need for stable energy sources to support its economy.

The role of coal in the United States' energy portfolio is evolving, with a notable shift towards cleaner energy generation methods. Nevertheless, the Limestone Power Plant remains a key player in the current energy mix, underscoring the ongoing balance between energy reliability, economic considerations, and environmental stewardship. As the country continues to navigate the transition to a more sustainable energy paradigm, facilities like Limestone will need to adapt and innovate to meet both regulatory requirements and public expectations regarding environmental responsibility.

United States of AmericaEnergy Profile

10,098
Total Plants
1420.7 GW
Total Capacity
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