World Power PlantsWorld Power Plants

Port Jefferson498 MW Natural Gas

Gas

The Port Jefferson is a key infrastructure asset in United States of America's power generation grid, located on the continent of North America. Designated as a fossil fuel electricity generation station, the facility features an installed capacity of 498 MW. Its primary operation relies on harnessing gas energy resources to generate bulk electricity. To ensure flexibility and reliability, the station is also configured to utilize oil as an auxiliary or secondary fuel source. Operational management and ownership of the facility are handled by the National Grid Generation LLC, which oversees daily maintenance and grid dispatch integration. The facility was officially connected to the commercial grid in 1968, since which it has maintained regular output, playing a structured role in domestic power supply security. In terms of domestic production capacity within United States of America, Port Jefferson occupies the #473 position among all operational gas power plants. Its 498 MW capacity represents a 0.08% share of United States of America's total installed gas generating capacity, which currently stands at 592,647 MW. The largest operational gas installation in United States of America is the West County Energy Center with an output of 4,263 MW, making the Port Jefferson approximately 8.6 times smaller by comparison. Across all fuel types and electricity generation technologies country-wide, this facility accounts for 0.0359% of United States of America's aggregate generation capacity of 1,386,385 MW. Based on historical capacity factors characteristic of gas power plants (modeled at 40% for analysis), the facility's expected annual electricity generation is calculated at approximately 1,744,992 MWh. Applying domestic consumption statistics where an average household in United States of America consumes 11 MWh of electricity annually, this level of production is sufficient to meet the energy demands of roughly 158,636 homes. By utilizing traditional thermal power processes, the station delivers reliable dispatchable energy to the grid, supporting grid resilience during periods of low renewable resource availability and satisfying industrial base-load demands. The physical site of the station is located at geographic coordinates 40.9497° latitude and -73.0785° longitude. Analysis of local grid infrastructure shows a density of other assets within a 50-kilometer radius. These nearby facilities include the Northport (gas-fired, 1564 MW), the Northport Power Station (gas-fired, 1564 MW), the Bridgeport Station (gas-fired, 994.9 MW), representing a cluster of localized power assets. This geographic placement is vital for reinforcing regional distribution infrastructure and minimizing transmission line losses across this sector of United States of America.

Capacity
498 MW
Commissioning Year
1968

58 years old

Owner
National Grid Generation LLC
Location
40.9497°, -73.0785°

United States of America, North America

Location

Coordinates:: 40.949700, -73.078500
Open in Google Maps
Carbon Footprint490 g CO₂/kWh
Annual CO₂
961.9 Kt
1963 GWh/year × 490 g/kWh
Cumulative CO₂
55.79 Mt
Over 58 years of operation
Past Retirement
1998
28 years past expected retirement
Annual emissions equivalent to
209.1K
cars per year
128.3K
homes per year
43.7M
trees to offset

Estimates based on Gas emission factor (490 g CO₂/kWh) and capacity factor (45%). Actual emissions may vary based on operating conditions, efficiency, and fuel quality.

Technical Details

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

Port Jefferson Power Plant: A Key Natural Gas Facility in the USA's Energy Landscape

The Port Jefferson Power Plant, located in the United States, is a significant facility in the country's energy sector with a generating capacity of 498 megawatts (MW). Owned by National Grid Generation LLC, the plant was commissioned in 1968 and has played a crucial role in providing reliable electricity to the regional grid, particularly in the northeastern United States. The plant primarily utilizes natural gas as its fuel source, which is increasingly recognized for its efficiency and lower carbon emissions compared to other fossil fuels such as coal and oil.

Natural gas is a hydrocarbon fuel that is primarily composed of methane. It is extracted from underground reservoirs and processed to remove impurities before being transported to power plants like Port Jefferson. The use of natural gas in electricity generation involves combustion in gas turbines or combined cycle systems, where the heat produced generates electricity while also utilizing waste heat for additional power generation. This dual process enhances the overall efficiency of the plant, allowing it to convert a higher percentage of the fuel's energy content into usable electricity.

The environmental impact of the Port Jefferson Power Plant is less severe compared to older coal-fired plants, primarily due to its reliance on natural gas. Natural gas combustion produces fewer greenhouse gas emissions and pollutants such as sulfur dioxide (SO2) and particulate matter. However, it is important to note that the extraction and transportation of natural gas can contribute to methane emissions, a potent greenhouse gas. Consequently, the overall environmental footprint of the Port Jefferson Power Plant is a topic of ongoing evaluation as the energy sector shifts towards cleaner renewable sources.

Regionally, the Port Jefferson Power Plant serves as a vital component of the energy infrastructure in Long Island and surrounding areas. Its capacity to provide reliable electricity supports not only residential needs but also commercial and industrial consumers. The plant helps stabilize the grid and contributes to energy security, particularly during peak demand periods when the energy load is at its highest. As the energy landscape evolves, the Port Jefferson Power Plant exemplifies the transitional role of natural gas in bridging the gap between traditional fossil fuels and renewable energy sources.

In summary, the Port Jefferson Power Plant stands as a crucial facility within the United States' energy framework. With its substantial capacity and reliance on natural gas, it plays an important role in delivering electricity to consumers while also navigating the challenges of environmental impact and the transition towards a more sustainable energy future.

United States of AmericaEnergy Profile

10,047
Total Plants
1386.4 GW
Total Capacity
GasCoalNuclearHydro
Top Fuels

Gas Power Generation: An Overview of Its Mechanisms, Benefits, and Future Prospects

Gas power generation is a significant component of the global energy landscape, characterized by the use of natural gas to produce electricity. This process typically involves either gas turbines or combined cycle gas plants. In a gas turbine, compressed air is mixed with natural gas and ignited, producing high-temperature exhaust gases that spin a turbine connected to a generator. Combined cycle plants enhance efficiency by utilizing both gas and steam turbines. After the gas turbine generates electricity, the waste heat is used to produce steam, which drives a steam turbine, thereby maximizing energy extraction from the fuel.

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