goingcritical:shippingportUnited States · Power reactor

Shippingport

Developer: US AEC / Westinghouse; operated by Duquesne Light

Site: Shippingport, Pennsylvania

Status: Critical since December 2, 1957 critical

Summary:

First full-scale civilian pressurized water reactor in the United States

Details

DesignPressurized water reactor (PWR)
Capacity60 MWe

Milestone history

  1. Announced —
  2. Construction start —
  3. Fuel load —
  4. First criticality December 2, 1957
  5. Grid connection December 18, 1957
  6. Commercial operation May 26, 1958

References

  1. DOE, Shippingport Atomic Power Station
  2. World Nuclear Association reactor database, Shippingport