San Onofre 1

DECON

Southern California Edison·San Clemente, CA·PWR·436 MWe

Community ratings, technical specifications, photos, nearby jobs, satellite map, contact information, and per diem rates for San Onofre 1.

Pictures Jobs Forum Directions Lodging EIX $55.29 ▼ 0.63% Books

DECON

Permanently shut down on 1992-11-30.

Reactor Data

Reactor Units

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Every power reactor at this site as listed in the IAEA Power Reactor Information System (PRIS): reactor type and model, net electrical capacity, grid connection and commercial operation dates, and current status.
1 unit: 1 permanent shutdown.
Unit Type Model Net MWe Construction Grid Commercial Op Shutdown Status
San Onofre 1 PWR PWR 436 1964-05-01 1967-07-16 1968-01-01 1992-11-30 Permanent Shutdown
Capacity, milestones and suppliers
Unit Design MWe Gross MWe Thermal MWt First Criticality Reactor Supplier Turbine Supplier Notes
San Onofre 1 436 456 1,347 1967-06-14 WESTINGHOUSE ELECTRIC CORPORATION WESTINGHOUSE ELECTRIC CORPORATION
Lifetime performance, through 2025
Unit Electricity Supplied Load Factor Energy Availability Operating Factor
San Onofre 1 51.1 TWh 53.2% 59.8% 55.1%
Operator: SOUTHERN CALIFORNIA EDISON Co.
Owner: SOUTHERN CALIFORNIA EDISON Co.
Source: IAEA Power Reactor Information System (PRIS), as of 2026-10-12.

Working Here

Jobs in CA 4 active

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Active nuclear industry job listings in CA from the NukeWorker job board. Click a job title for full details, or click the header to search all jobs in this state.

Per Diem Rates FY 2027

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Per diem covers lodging and meals & incidental expenses (M&IE) for government and contractor travel near this facility. Rates are from GSA for FY 2027.
$199
Lodging/Night
$86
M&IE/Day
$285
Total/Day
Los Angeles, Los Angeles / Orange / Ventura / Edwards AFB less the city of Santa Monica County, CA

Unemployment Benefits CA

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Maximum state unemployment insurance benefits for CA. Actual benefits depend on your earnings history and may be lower than the maximum. Data as of Jan 2026.
$450
Max Weekly
26
Max Weeks
$11,700
Max Total
7-day waiting period before benefits begin

Photos

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Photos of this facility from the NukeWorker photo gallery. Click the header or any photo to browse the full album.

Facility Map

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Interactive satellite map showing the facility's geographic location. Marker color indicates current status: green for online, red for offline, orange for reduced power. Click the header to open in Google Maps satellite view.

33.3691, -117.555

Location & Contact

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Physical address, phone number, and website for this facility. Use the directions link to get driving directions via Google Maps.
Address:
5000 Pacific Coast Highway
San Clemente, CA 92673, USA
Get Directions
Phone: (714) 302-1212

NukeWorker Member Ratings 92 votes

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Community ratings from NukeWorker members. Vote to share your experience working at this facility. Score uses a Bayesian average that accounts for vote count — facilities with few votes are pulled toward the fleet average, so rankings reflect confidence, not just raw percentages.
Above Average 27 (29%)
Average 31 (33%)
Below Average 34 (36%)
Score
47.8
Rank
#73 of 97
Mid Quartile

Plant Facts

Ownership & Construction

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The utility or company that owns and operates the facility, the architect-engineer responsible for plant design, and the primary construction contractor. Click names to view all facilities by that entity on the map.
EIX Edison International NYSE
$55.29 ▼ -0.35 (-0.63%)
Previous Close 55.64
Day's Range 51.59 – 56.16
52-Week Range 51.10 – 81.62
Volume 10,426,368
Delayed quote as of Oct 13, 2026 3:36 PM ET. Source: Yahoo Finance. Full quote on Yahoo Finance

Technical Specs

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Reactor design specifications including type (PWR/BWR), containment design, nuclear steam supply system manufacturer, thermal and electrical power ratings, and current operational status.
Reactor Type: PWR
NSS Supplier: Westinghouse
Net Capacity: 436 MWe
Status: DECON

Licensing

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NRC licensing history including docket number, license type and number, construction permit date, operating license issuance, commercial operation date, license renewal, and expiration date.
Const. Permit: 1964-05-01
Operating Lic: 1967-07-16
Commercial Op: 1968-01-01