Sequoyah 1

Operable

Details

Reactor Type	Pressurised Water Reactor (or PWR)
Model	W (4-loop) ICECND
Owner	Tennessee Valley Authority
Operator	Tennessee Valley Authority

Timeline

Construction Start	Wednesday, 27 May 1970
First Criticality	Saturday, 5 July 1980
First Grid Connection	Tuesday, 22 July 1980
Commercial Operation	Wednesday, 1 July 1981

Specifications

Capacity Net	1152 MWe
Capacity Gross	1221 MWe
Thermal Capacity	3455 MWt
Design Net Capacity	1148 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 (%)
1980	1148	834	518.84	-	-	-	-	-
1981	1128	4984	4806.21	60.90	62.10	62.10	50.70	50.70
1982	1128	4626	4909.70	52.80	53.40	56.30	49.70	50.00
1983	1139	6791	7340.90	77.50	78.20	65.10	73.60	59.50
1984	1148	5992	6104.70	68.20	69.10	66.20	60.50	59.80
1985	1148	3760	4076.07	42.90	44.70	61.40	40.50	55.50
1986	1148	0	0.00	0.00	0.00	50.20	0.00	45.40
1987	1148	0	0.00	0.00	0.00	42.40	0.00	38.30
1988	1148	282	127.69	3.20	6.40	37.60	1.30	33.40
1989	1148	8624	9550.60	98.40	98.50	44.80	95.00	40.60
1990	1148	6406	6840.68	73.10	74.00	47.90	68.00	43.50
1991	1122	6774	7270.13	77.30	77.60	50.60	74.00	46.40
1992	1122	7734	8402.49	88.00	88.20	53.90	85.30	49.70
1993	1122	1219	1290.51	13.90	14.80	50.80	13.10	46.80
1994	1111	5774	6111.64	65.90	66.00	51.90	62.80	48.00
1995	1111	6620	6829.49	75.60	75.60	53.50	70.20	49.50
1996	1117	8344	9293.49	95.00	95.10	56.10	95.10	52.40
1997	1117	7486	8324.30	85.50	85.50	57.90	85.10	54.30
1998	1122	7966	8905.68	90.90	91.00	59.80	90.90	56.40
1999	1122	8760	9986.98	100.00	100.00	61.90	101.60	58.80
2000	1122	6988	7720.48	79.60	79.50	62.80	78.30	59.80
2001	1122	7988	9018.99	91.20	91.20	64.20	91.80	61.40
2002	1125	8760	9953.53	100.00	100.00	65.80	101.10	63.20
2003	1125	6443	7351.13	73.60	73.60	66.20	74.60	63.70
2004	1148	8027	9290.48	91.40	91.40	67.30	92.10	64.90
2005	1150	8658	10076.53	98.80	98.80	68.60	100.00	66.40
2006	1150	7915	9086.03	90.40	90.40	69.40	90.20	67.30
2007	1148	7668	8758.29	87.50	87.50	70.10	87.10	68.10
2008	1148	8738	10164.80	99.50	99.50	71.20	100.80	69.30
2009	1148	7820	8962.17	89.30	89.30	71.90	89.10	70.00
2010	1152	7524	8464.09	85.90	86.00	72.40	83.90	70.50
2011	1152	8636	9888.54	98.60	98.60	73.20	98.00	71.40
2012	1152	7907	8945.17	90.00	90.00	73.80	88.40	71.90
2013	1152	7834	8805.63	89.40	89.40	74.20	87.20	72.40
2014	1152	8760	10051.76	100.00	100.00	75.00	99.60	73.20
2015	1152	7196	7771.73	82.20	82.20	75.20	77.00	73.40
2016	1152	6783	7673.62	77.20	77.20	75.30	75.80	73.40
2017	1152	8420	9378.86	96.10	96.10	75.90	92.90	74.00
2018	1152	7858	8916.87	89.70	89.70	76.20	88.40	74.40
2019	1152	7523	8189.64	85.90	85.90	76.50	81.20	74.50
2020	1152	8627	9846.77	98.20	98.20	77.10	97.30	75.10
2021	1152	7810	8836.62	89.20	89.20	77.40	87.60	75.40
2022	1152	7956	9049.98	90.80	90.80	77.70	89.70	75.80
2023	1152	8760	10112.90	100.00	100.00	78.20	100.20	76.40