Details
| Reactor Type | Pressurised Water Reactor (or PWR) |
|---|---|
| Model | W (4-loop) |
| Owner | NRG Energy, Inc |
| Operator | STP Nuclear Operating Co. |
Timeline
| Construction Start | Monday, 22 December 1975 |
|---|---|
| First Criticality | Tuesday, 8 March 1988 |
| First Grid Connection | Wednesday, 30 March 1988 |
| Commercial Operation | Thursday, 25 August 1988 |
Specifications
| Capacity Net | 1280 MWe |
|---|---|
| Capacity Gross | 1354 MWe |
| Thermal Capacity | 3853 MWt |
| Design Net Capacity | 1250 MWe |
Operational History
Electricity Supplied (GWh)
Energy Availability Factor (%)
Total Electricity Supplied (GWh)
Reactor History
| Year | Reference Unit Power (MWe) | Annual Time Online (Hours) | Electricity Supplied (GWh) | Operation Factor (%) | Energy Availability Annual (%) | Energy Availability Cumulative (%) | Load Factor Annual (%) | Load Factor Cumulative (%) |
|---|---|---|---|---|---|---|---|---|
| 1988 | 1250 | 2404 | 2791.49 | 79.60 | 80.00 | 80.00 | 74.90 | 74.90 |
| 1989 | 1250 | 5524 | 6307.67 | 63.10 | 63.10 | 67.30 | 57.60 | 61.90 |
| 1990 | 1251 | 5198 | 6072.87 | 59.30 | 59.40 | 63.90 | 55.40 | 59.10 |
| 1991 | 1251 | 6069 | 7239.78 | 69.30 | 69.30 | 65.50 | 66.10 | 61.20 |
| 1992 | 1251 | 6033 | 7265.14 | 68.70 | 68.70 | 66.30 | 66.10 | 62.40 |
| 1993 | 1251 | 676 | 666.03 | 7.70 | 7.70 | 55.30 | 6.10 | 51.80 |
| 1994 | 1251 | 6842 | 8251.41 | 78.10 | 78.20 | 58.90 | 75.30 | 55.50 |
| 1995 | 1251 | 7570 | 9301.77 | 86.40 | 86.50 | 62.70 | 84.90 | 59.50 |
| 1996 | 1251 | 8213 | 10226.80 | 93.50 | 93.50 | 66.40 | 93.10 | 63.60 |
| 1997 | 1251 | 8019 | 9873.23 | 91.50 | 91.60 | 69.10 | 90.10 | 66.40 |
| 1998 | 1250 | 8739 | 10859.94 | 99.80 | 99.80 | 72.00 | 99.10 | 69.60 |
| 1999 | 1250 | 7857 | 9645.37 | 89.70 | 89.70 | 73.60 | 88.10 | 71.20 |
| 2000 | 1250 | 6905 | 8591.90 | 78.60 | 78.60 | 74.00 | 78.20 | 71.80 |
| 2001 | 1250 | 8240 | 10338.16 | 94.10 | 94.10 | 75.50 | 94.40 | 73.50 |
| 2002 | 1250 | 8573 | 10867.94 | 97.90 | 97.80 | 77.10 | 99.00 | 75.20 |
| 2003 | 1250 | 5433 | 6858.78 | 62.00 | 62.30 | 76.10 | 62.60 | 74.40 |
| 2004 | 1250 | 8712 | 11103.58 | 99.20 | 99.20 | 77.50 | 101.10 | 76.10 |
| 2005 | 1280 | 7845 | 9901.85 | 89.50 | 89.60 | 78.20 | 88.30 | 76.80 |
| 2006 | 1280 | 7942 | 10144.55 | 90.70 | 90.70 | 78.90 | 90.50 | 77.50 |
| 2007 | 1280 | 8760 | 11804.80 | 100.00 | 100.00 | 80.00 | 105.30 | 79.00 |
| 2008 | 1280 | 8108 | 10800.56 | 92.30 | 92.30 | 80.60 | 96.10 | 79.90 |
| 2009 | 1280 | 7582 | 10052.23 | 86.60 | 86.60 | 80.90 | 89.60 | 80.30 |
| 2010 | 1280 | 8588 | 11304.11 | 98.00 | 98.00 | 81.70 | 100.80 | 81.30 |
| 2011 | 1280 | 7909 | 10616.20 | 90.30 | 90.50 | 82.10 | 94.70 | 81.80 |
| 2012 | 1280 | 7891 | 10520.66 | 89.80 | 89.80 | 82.40 | 93.60 | 82.30 |
| 2013 | 1280 | 8247 | 11019.47 | 94.10 | 94.10 | 82.90 | 98.30 | 83.00 |
| 2014 | 1280 | 6894 | 9075.07 | 78.70 | 78.70 | 82.70 | 80.90 | 82.90 |
| 2015 | 1280 | 7140 | 9331.90 | 81.50 | 81.50 | 82.70 | 83.20 | 82.90 |
| 2016 | 1280 | 8599 | 11288.14 | 97.90 | 97.90 | 83.20 | 100.40 | 83.50 |
| 2017 | 1280 | 7715 | 10109.92 | 88.10 | 88.10 | 83.40 | 90.20 | 83.80 |
| 2018 | 1280 | 7881 | 10306.36 | 90.00 | 90.20 | 83.60 | 91.90 | 84.00 |
| 2019 | 1280 | 8760 | 11515.33 | 100.00 | 100.00 | 84.20 | 102.70 | 84.60 |
| 2020 | 1280 | 7965 | 10409.82 | 90.70 | 90.70 | 84.40 | 92.60 | 84.90 |
| 2021 | 1280 | 7915 | 10097.71 | 90.40 | 90.40 | 84.50 | 90.10 | 85.00 |
| 2022 | 1280 | 8760 | 11593.44 | 100.00 | 100.00 | 85.00 | 103.40 | 85.60 |
| 2023 | 1280 | 7932 | 10372.14 | 90.60 | 90.70 | 85.20 | 92.50 | 85.80 |