United States

Millstone — 2,163 MW Nuclear

Nuclear Verified

Millstone is a 2,163 MW nuclear power plant located in United States of America. View location, capacity, and technical details.

Capacity
2,163 MW

Installed

Commissioned
1981

Year online

Owner
Dominion Energy Nuclear Conn Inc

Operator

Location
41.31, -72.17

Coordinates

Insights

#91
largest in United States of America
#174
largest Nuclear worldwide
#691
largest worldwide
1981
7 yrs older than avg
1
operated by Dominion Energy Nuclear…
282
plants within 100 km

Technical Details

Fuel Type
Nuclear
Capacity
2,163 MW
Commissioned
1981
Status
Operational
Owner
Dominion Energy Nuclear Conn Inc
Country
United States
Coordinates
41.311, -72.168

Carbon Footprint

Annual CO₂
193,259 t

tonnes / year

Lifetime CO₂
9,662,972 t

over ~50 yrs

Intensity
12 g

Est. gCO2/kWh

Annual emissions equivalent to

42,013
cars per year
25,768
homes per year
8,784,520
trees to offset

Indicative estimate from standard life-cycle emission and capacity factors — not a measured figure. Open calculator

Nearby Plants

About this plant

The Millstone Nuclear Power Plant, located in Waterford, Connecticut, is a prominent facility in the United States’ energy landscape, boasting a total capacity of 2,162.9 megawatts (MW). Commissioned in 1981, it is owned and operated by Dominion Energy Nuclear Conn Inc, which has ensured its operation and maintenance over the decades. As one of the largest nuclear power plants in the Northeastern United States, Millstone plays a critical role in providing a stable and reliable source of electricity to millions of residents in the region, significantly contributing to the overall energy mix of the country.

The Millstone plant utilizes nuclear energy, a form of power generation that relies on the process of nuclear fission. In this process, uranium-235, the primary fuel used in the plant, is split into smaller atoms, releasing a substantial amount of energy in the form of heat. This heat is then used to generate steam, which drives turbines to produce electricity. Nuclear power is characterized by its high energy density, meaning that a relatively small amount of fuel can produce a large amount of energy compared to traditional fossil fuels. This efficiency is one of the reasons why nuclear energy is considered a vital component of the United States’ strategy for reducing greenhouse gas emissions and reliance on fossil fuels.

In terms of environmental impact, the Millstone Nuclear Power Plant is designed with safety and sustainability in mind. Nuclear power plants produce minimal air pollutants, and their operation emits no carbon dioxide during electricity generation. As a result, they play an essential role in combating climate change and improving air quality. However, the plant does produce radioactive waste, which requires careful management and long-term storage solutions to ensure safety and environmental protection. The facility adheres to strict regulatory standards set by the U.S. Nuclear Regulatory Commission (NRC) to minimize risks associated with nuclear energy production, including thorough safety protocols and emergency preparedness plans.

Regionally, Millstone is a key energy provider, supplying electricity to Connecticut and neighboring states. Its operation contributes not only to the local economy through job creation but also to energy security in the region. As states in the Northeast push towards cleaner energy sources, Millstone’s capacity and reliability make it a crucial asset in achieving long-term energy goals. The facility’s continued operation helps to stabilize the grid, especially during peak demand periods, ensuring that residents and businesses have access to the electricity they need.

In summary, the Millstone Nuclear Power Plant stands as a significant player in the United States’ energy sector. Its substantial capacity, efficient use of nuclear fuel, and commitment to environmental responsibility highlight its importance in a transitioning energy landscape. As the country continues to seek sustainable solutions to meet energy demands while addressing climate change, Millstone’s role is likely to remain vital in the years to come.

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