Scram History 13 events since 2011
Automatic and manual reactor scram (emergency shutdown) events reported to the NRC since 2011. Includes event dates, trip type, and average recovery time. Click the title to view the full fleet scram dashboard.
Outage Duration Trend
?Scheduled refueling outage durations over time. Green bars are below average, yellow near average, red above. Dashed line shows the plant's historical average. Shorter outages mean better execution.
Outage Days by Year
?Total days spent in outage each year, split by scheduled refueling (blue) and forced/unplanned (red). Lower totals indicate better reliability and outage execution. Hover for details.
Facility Statistics
Key performance and lifecycle metrics calculated from NRC operational data. Includes operating age, construction timeline, capacity factor, efficiency, generation totals, and reliability records.
Lifecycle & Tenure
Operating Age: 46.5 Yrs
Build Time: 4.3 Yrs
Lic. Remaining: N/A Yrs
Production & Power
Lifetime CF: 88.9%
Efficiency: 34.3%
Generated: 110.2 TWh
Reliability & Outages
Record Run: 2,414 Days
Refuelings: 11
Ratings 64 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
20 (31%)
Average
18 (28%)
Below Average
26 (40%)
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.
41.944, -70.5778
Location & Contact
Physical address, phone number, and website for this facility. Use the directions link to get driving directions via Google Maps.
Phone:
(508) 830-8000
Website:
http://www.entergy-nuclear.com/
Per Diem Data
GSA per diem rates for the area near this facility. Per diem covers lodging and meals & incidental expenses (M&IE) for government and contractor travel. Links open the official GSA rate lookup.
Jobs in MA 2 active
Active nuclear industry job listings in MA from the NukeWorker job board. Click a job title for full details, or click the header to search all jobs in this state.
Photos
Photos of this facility from the NukeWorker photo gallery. Click the header or any photo to browse the full album.
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.
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.
Reactor Type:
BWR
Containment:
BWR-MARK 1
NSS Supplier:
GE 3
Thermal Power:
1998 MWt
Net Capacity:
685 MWe
Efficiency:
34.3%
Status:
Decommissioned
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.
Docket #:
05000293
License #:
DPR-35
License Type:
OL-FP
Const. Permit:
1968-08-26
Operating Lic:
1972-09-15
Commercial Op:
1972-12-01
License Exp:
2012-06-08