World Power Plants

Keystone Generating Station1,883.2 MW Coal

CoalVerified: Feb 2026

Keystone Generating Station, situated in the United States at coordinates 40.6600° N, -79.3408° W, plays an important role in the energy generation landscape with a capacity of 1883.2 MW. This coal-fired power plant, operated by Reliant Energy, serves as a major contributor to the local and regional electricity supply. Utilizing subcritical coal technology, Keystone Generating Station converts coal into steam to drive turbines, producing reliable and consistent power. Since its inception, the plant has been a cornerstone of energy infrastructure, supporting the electricity needs of both residential and commercial consumers in the area. The significance of Keystone extends beyond its operational capacity; it is also a reflection of the ongoing transition in the energy sector, where coal-fired generation faces increasing scrutiny due to environmental impacts. As coal remains a key energy source in the United States, the Keystone Generating Station exemplifies the complexities of balancing energy needs with sustainability commitments. The plant's continued operation is crucial for maintaining energy security while the region navigates its path towards a more diversified and cleaner energy future.

Capacity
1,883.2 MW

1.88 GW

Commissioning Year
2002

24 years old

Owner
Reliant Energy
Location
40.6600°, -79.3408°

United States of America, North America

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

24 years in operation

Coal fleet average: 29.2 years

Operator portfolio

Reliant Energy operates 1 plants totalling 1,883 MW

Regional density

56 plants within 100 km, 20,861 MW combined

Nearest plant: Armstrong (2.6 km)

Data provenance

Source: Wikidata

Location

Coordinates:: 40.660000, -79.340800
Open in Google Maps
Carbon Footprint820 g CO₂/kWh
Annual CO₂
7.44 Mt
9073 GWh/year × 820 g/kWh
Cumulative CO₂
178.56 Mt
Over 24 years of operation
Est. Retirement
2042
16 years remaining
Annual emissions equivalent to
1.6M
cars per year
992.0K
homes per year
338.2M
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

Keystone Generating Station: A Vital Coal-Fired Power Plant in the USA

The Keystone Generating Station, located in the United States, is a significant coal-fired power plant with a total capacity of 1883.2 megawatts (MW). Owned by Reliant Energy, this facility plays a crucial role in meeting the energy demands of the region and contributes to the overall energy landscape of the country. As one of the larger coal power plants in the United States, Keystone is pivotal in providing a stable and reliable source of electricity, particularly in times of high demand.

The Keystone Generating Station utilizes coal as its primary fuel source. Coal has been a longstanding staple in the energy sector due to its abundance and relatively low cost compared to other fossil fuels. When combusted in the power plant's boilers, coal generates steam that drives turbines, converting thermal energy into electricity. This process has been refined over decades, but it still presents challenges, particularly in terms of efficiency and emissions. The technology employed at Keystone is designed to maximize energy output while minimizing operational costs, though the reliance on coal also raises concerns regarding environmental sustainability.

In terms of environmental impact, coal-fired power plants, including Keystone, are associated with significant greenhouse gas emissions, particularly carbon dioxide (CO2). The combustion of coal releases various pollutants, including sulfur dioxide (SO2), nitrogen oxides (NOx), and particulate matter, all of which can have detrimental effects on air quality and public health. In recent years, there has been increasing scrutiny on coal plants due to their environmental footprint, prompting discussions around cleaner energy alternatives and regulatory measures aimed at reducing emissions. Keystone, like many coal plants, faces pressure to adapt to these changes, either through technological upgrades to reduce emissions or through transitions to alternative energy sources.

Regionally, the Keystone Generating Station serves as an essential backbone for local energy infrastructure. It provides electricity to millions of homes and businesses, supporting economic activity and contributing to the stability of the local grid. The plant is strategically located to supply power where it is needed most, and its large capacity ensures that it can meet peak demand periods, particularly during extreme weather conditions when electricity consumption surges. Additionally, the presence of such a large power plant can influence local job markets, as it provides employment opportunities both directly and indirectly within the community.

In summary, the Keystone Generating Station stands as a significant player in the United States' energy sector, highlighting the complexities and challenges associated with coal-fired power generation. While it continues to fulfill a vital role in electricity production, the ongoing conversation about environmental impact and the transition to cleaner energy sources remains a critical aspect of its future.

United States of AmericaEnergy Profile

10,098
Total Plants
1420.7 GW
Total Capacity
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