Nine Mile Point 1

Operable

Details

Reactor Type	Boiling Water Reactor (or BWR)
Model	BWR-2 (Mark 1)
Owner	Exelon Nuclear, Électricité De France
Operator	Exelon Generation Co., Llc

Timeline

Construction Start	Monday, 12 April 1965
First Criticality	Friday, 5 September 1969
First Grid Connection	Sunday, 9 November 1969
Commercial Operation	Monday, 1 December 1969

Specifications

Capacity Net	613 MWe
Capacity Gross	642 MWe
Thermal Capacity	1850 MWt
Design Net Capacity	620 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 (%)
1969	-	-	-	-	-	-	-	-
1970	525	3443	1581.00	39.30	100.00	100.00	34.40	34.40
1971	592	5963	3033.10	68.10	100.00	100.00	58.50	47.20
1972	630	6101	3344.80	69.50	100.00	100.00	60.40	52.00
1973	610	6682	3494.20	76.30	76.40	93.90	65.40	55.40
1974	610	6177	3278.70	70.50	70.50	89.10	61.40	56.60
1975	610	6235	3044.90	71.20	57.00	83.60	57.00	56.70
1976	610	7724	4112.80	87.90	76.80	82.60	76.80	59.60
1977	610	5171	2956.80	59.00	55.40	79.20	55.30	59.10
1978	610	8329	4467.40	95.10	83.60	79.70	83.60	61.80
1979	610	5785	3005.40	66.00	56.20	77.30	56.20	61.30
1980	610	8097	4537.30	92.20	92.20	78.70	84.70	63.40
1981	610	5780	3270.30	66.00	65.60	77.60	61.20	63.20
1982	610	1872	1134.80	21.40	21.50	73.20	21.20	60.00
1983	610	4925	2802.00	56.20	56.20	72.00	52.40	59.40
1984	610	6316	3635.23	71.90	71.60	72.00	67.80	60.00
1985	610	8441	4932.30	96.40	96.40	73.50	92.30	62.00
1986	610	5722	3146.88	65.30	65.00	73.00	58.90	61.90
1987	610	8130	4615.17	92.80	92.80	74.10	86.40	63.20
1988	610	0	0.00	0.00	0.00	70.20	0.00	59.90
1989	610	0	0.00	0.00	0.00	66.60	0.00	56.90
1990	615	3043	1316.68	34.70	34.20	65.10	24.60	55.30
1991	615	6853	3873.51	78.20	78.20	65.70	71.90	56.10
1992	615	5052	2930.09	57.50	57.40	65.30	54.20	56.00
1993	615	7370	4353.36	84.10	84.10	66.10	80.80	57.00
1994	565	8390	4917.95	95.80	95.40	67.20	99.40	58.60
1995	565	7381	4127.64	84.30	82.90	67.80	83.40	59.50
1996	565	8133	4676.17	92.60	92.00	68.60	94.20	60.70
1997	565	4620	2698.57	52.70	51.80	68.00	54.50	60.50
1998	565	8085	4845.98	92.30	92.30	68.80	97.90	61.70
1999	565	6162	3564.86	70.30	68.40	68.80	72.00	62.00
2000	565	8060	4681.85	91.80	91.00	69.50	94.30	63.00
2001	565	7376	4378.01	84.20	83.50	69.90	88.50	63.80
2002	565	8194	4904.56	93.50	92.90	70.60	99.10	64.80
2003	565	7373	4361.37	84.20	83.60	70.90	88.10	65.40
2004	565	8258	4988.21	94.00	93.50	71.60	100.50	66.40
2005	621	7667	4589.79	87.50	87.60	72.00	84.40	66.90
2006	621	8713	5346.94	99.50	99.50	72.80	98.30	67.80
2007	621	7910	4762.88	90.30	90.30	73.30	87.60	68.40
2008	621	8707	5341.42	99.10	99.10	74.00	97.90	69.10
2009	621	8216	4992.58	93.80	93.80	74.50	91.80	69.70
2010	621	8677	5294.08	99.00	99.10	75.10	97.30	70.40
2011	621	7671	4595.11	87.60	87.60	75.40	84.50	70.80
2012	621	7951	4798.45	90.50	90.60	75.80	88.00	71.20
2013	621	7933	4868.75	90.60	90.60	76.10	89.50	71.60
2014	621	8760	5400.06	100.00	100.00	76.70	99.30	72.20
2015	613	8039	4903.16	91.80	91.70	77.00	91.30	72.70
2016	613	8721	5342.98	99.30	99.30	77.50	99.20	73.20
2017	613	8290	4885.28	94.60	94.60	77.80	91.00	73.60
2018	613	8684	5313.34	99.10	99.20	78.30	99.00	74.20
2019	613	7646	4574.14	87.30	87.30	78.50	85.20	74.40
2020	613	8783	5473.00	100.00	100.00	78.90	101.60	74.90
2021	613	8280	5009.29	94.50	94.50	79.20	93.30	75.30
2022	613	8760	5355.41	100.00	100.00	79.60	99.70	75.80
2023	613	7795	4675.61	89.00	89.80	79.80	87.10	76.00