United States Nuclear Regulatory Commission - Protecting People and the Environment

General Electric Co. – ESADA Vallecitos Experimental Superheat Reactor (EVESR)

1.0 Site Identification

Type of Site: Power Reactor Facility
Location: Sunol, CA
License No.: DR-10
Docket No.: 50-183
License Status: SAFSTOR
Project Manager: Jack Parrott

2.0 Site Status Summary

On April 15, 1970, NRC authorized the licensee to possess but not operate the reactor. The license was renewed on June 11, 1976, and remains in effect under the provisions of 10 CFR 50.51(b). The facility has been maintained in SAFSTOR condition. The facility is next to the Vallecitos Boiling Water Reactor which is also in SAFSTOR. The licensee plans to maintain the facility in SAFSTOR until other ongoing nuclear and radioactive activities are also to be decommissioned to provide an integrated site decommissioning.

3.0 Major Technical or Regulatory Issues

In 2015, the licensee, GE Hitachi, began a licensing process to exempt the EVESR from the 60-year decommissioning schedule limit of 10 CFR 50.82(a)(3).  The request is currently under NRC review.

4.0 Estimated Date For Closure

2025*

*If the above exemption request is approved, the estimated date for closure would be 2041.

Page Last Reviewed/Updated Tuesday, November 19, 2019