Eddystone Generating Station

Ensuring Grid Stability Through Fuel Diversity

Eddystone Generating Station plays a critical role in delivering reliable power through fuel diversity. Owned and operated by Constellation, this six-unit, 820-megawatt (MW) power plant is located on the Delaware River in Eddystone, Pennsylvania, just south of Philadelphia.

Eddystone Units 3 and 4, each with a capacity of 380 MW, were installed between 1967 and 1970. These subcritical steam boiler-turbine generator units can operate on either natural gas or oil, providing flexibility based on market conditions.

Units 10, 20, 30 and 40 are oil-fueled peaking units with a combined capacity of 60 MW. They are designed to run during periods of high demand and were installed in 1967 and 1970.

Construction of Eddystone began in the mid-1950s, with the now-retired Units 1 and 2 coming online in 1960. Both were supercritical steam boiler-turbine generator units that operated on coal. Unit 1 was retired in 2011, and Unit 2 followed in 2012.

Constellation takes a safety-first approach in our culture and business practices. All Constellation generation facilities employ sophisticated emergency response plans to protect public health and safety. Plans are reviewed and approved by state governments and federal regulatory agencies. Emergency planning includes coordination with local and municipal officials, as well as thousands of volunteers and first responders.

To protect the safety and health of our employees, contractors, customers and communities, we've implemented a number of initiatives to promote safe behaviors both on and off the job. These include a safety behavior observation program and focused initiatives on areas of high risk. We also offer safety training, which is integrated with leadership development programs for supervisors and managers, as well as new employee orientation. Finally, a safety peer group identifies successful pilot programs or new practices that can then be adopted by the entire organization.

Eddystone has about 172 Constellation employees. The station's annual payroll is about $20 million.

We live here too. Eddystone employees are good neighbors and very active in the local community.

  • Sponsorship: The power plant sponsors several community events including the Eddystone Memorial Day Parade and the Walk for the Wounded.

  • Charitable Giving and Volunteering: Eddystone employees give generously to the community through a variety of charitable activities including the local United Way chapters, the Katie Kerlin Fund and support of the Eddystone Elementary School.  ​

Constellation takes a safety-first approach in our culture and business practices. All Constellation generation facilities employ sophisticated emergency response plans to protect public health and safety. Plans are reviewed and approved by state governments and federal regulatory agencies. Emergency planning includes coordination with local and municipal officials, as well as thousands of volunteers and first responders.

To protect the safety and health of our employees, contractors, customers and communities, we've implemented a number of initiatives to promote safe behaviors both on and off the job. These include a safety behavior observation program and focused initiatives on areas of high risk. We also offer safety training, which is integrated with leadership development programs for supervisors and managers, as well as new employee orientation. Finally, a safety peer group identifies successful pilot programs or new practices that can then be adopted by the entire organization.

Eddystone has about 172 Constellation employees. The station's annual payroll is about $20 million.

We live here too. Eddystone employees are good neighbors and very active in the local community.

  • Sponsorship: The power plant sponsors several community events including the Eddystone Memorial Day Parade and the Walk for the Wounded.

  • Charitable Giving and Volunteering: Eddystone employees give generously to the community through a variety of charitable activities including the local United Way chapters, the Katie Kerlin Fund and support of the Eddystone Elementary School.  ​

About this Facility

Eddystone, Pennsylvania 19013

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