Peach Bottom 1
SAFSTORConstellation Energy·Delta, PA·HTGR·40 MWe
Reactor Data
Reactor Units
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 |
|---|---|---|---|---|---|---|---|---|
| Peach Bottom 1 | HTGR | 40 | 1962-02-01 | 1967-01-27 | 1967-06-01 | 1974-11-01 | Permanent Shutdown |
Capacity, milestones and suppliers
| Unit | Design MWe | Gross MWe | Thermal MWt | First Criticality | Reactor Supplier | Turbine Supplier | Notes |
|---|---|---|---|---|---|---|---|
| Peach Bottom 1 | 40 | 42 | 115 | 1966-03-03 | GENERAL ATOMIC CORP. |
Lifetime performance, through 2025
| Unit | Electricity Supplied | Load Factor | Energy Availability | Operating Factor |
|---|---|---|---|---|
| Peach Bottom 1 | 1.4 TWh | 54.3% | 73.5% | 68.0% |
Operator: Exelon Generation Co., LLC
Owner: Exelon Generation Co., LLC
Source: IAEA Power Reactor Information System (PRIS), as of 2026-10-19.
Working Here
Jobs at Peach Bottom 18 active
Active job listings posted for this specific facility on the NukeWorker job board. Click a job title for details, or the header to see them all.
More Jobs in PA 91 active
Active nuclear industry job listings in PA 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
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.
$125
Lodging/Night
$74
M&IE/Day
$199
Total/Day
Lancaster, Lancaster County, PA
Unemployment Benefits PA
Maximum state unemployment insurance benefits for PA. Actual benefits depend on your earnings history and may be lower than the maximum. Data as of Jan 2026.
$605
Max Weekly
26
Max Weeks
$15,730
Max Total
7-day waiting period before benefits begin
Photos
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Facility Map
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.
39.759, -76.2685
Location & Contact
Physical address, phone number, and website for this facility. Use the directions link to get driving directions via Google Maps.
Phone:
(717) 456-7014
Website:
http://www.exeloncorp.com
NukeWorker Member Ratings 38 votes
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
7 (18%)
Average
11 (28%)
Below Average
20 (52%)
Plant Facts
About This Site
Written by NukeWorker from public records: facts that do not change. Operator, status and capacity come from the live data elsewhere on this page. Sources: Wikipedia: Peach Bottom Nuclear Generating Station.
Peach Bottom Atomic Power Station is in Peach Bottom Township, York County, Pennsylvania, near Delta and about three miles north of the Maryland border. It draws its cooling water from the Susquehanna River.
Read more
Philadelphia Electric Company ordered Unit 1, a General Atomics high-temperature gas-cooled prototype reactor, in 1958. Construction began on February 1, 1962, the unit connected to the grid on January 27, 1967, and it was shut down on November 1, 1974. Units 2 and 3 are General Electric BWR-4 boiling water reactors. Construction began on January 31, 1968, and they entered commercial operation on July 5, 1974 and December 23, 1974.
Ownership & Construction
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.
Owner/Operator:
Constellation Energy
CEG
Constellation Energy Corporation
NasdaqGS
$263.19
▼ -8.18 (-3.01%)
Previous Close
271.37
Day's Range
261.93 – 277.21
52-Week Range
228.63 – 406.04
Volume
3,671,218
Delayed quote as of Oct 19, 2026 4:00 PM ET.
Source: Yahoo Finance.
Full quote on Yahoo Finance
Technical Specs
Reactor design specifications including type (PWR/BWR), containment design, nuclear steam supply system manufacturer, thermal and electrical power ratings, and current operational status.
Licensing
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:
1962-02-01
Operating Lic:
1967-01-27
Commercial Op:
1967-06-01