Cooper

Operable

Details

Reactor Type	Boiling Water Reactor (or BWR)
Model	BWR-4 (Mark 1)
Owner	Nebraska Public Power District
Operator	Entergy Nuclear Operations, Inc.

Timeline

Construction Start	Saturday, 1 June 1968
First Criticality	Thursday, 21 February 1974
First Grid Connection	Friday, 10 May 1974
Commercial Operation	Monday, 1 July 1974

Specifications

Capacity Net	769 MWe
Capacity Gross	801 MWe
Thermal Capacity	2419 MWt
Design Net Capacity	778 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 (%)
1974	778	3897	1885.60	73.40	100.00	100.00	50.70	50.70
1975	764	7320	3363.20	83.60	50.30	67.20	50.20	50.40
1976	764	6626	3642.60	75.40	54.30	62.00	54.30	51.90
1977	764	7546	4540.10	86.10	67.90	63.70	67.80	56.50
1978	764	7966	4886.80	90.90	73.00	65.80	73.00	60.10
1979	764	7670	4995.00	87.60	74.60	67.40	74.60	62.80
1980	764	6240	3787.50	71.00	70.60	67.90	56.40	61.80
1981	764	6239	3851.10	71.20	71.00	68.30	57.50	61.20
1982	764	7412	5276.10	84.60	84.40	70.20	78.80	63.30
1983	764	5544	3343.30	63.30	62.70	69.40	50.00	61.90
1984	764	5901	3469.95	67.20	67.10	69.20	51.70	60.90
1985	764	1884	1067.75	21.50	20.10	64.90	16.00	57.00
1986	764	6546	4052.14	74.70	74.70	65.70	60.60	57.30
1987	764	8291	5522.13	94.60	94.60	67.80	82.50	59.20
1988	764	5887	4200.61	67.00	66.50	67.70	62.60	59.40
1989	764	6594	4790.90	75.30	74.90	68.20	71.60	60.20
1990	764	6908	5111.39	78.90	78.50	68.80	76.40	61.20
1991	764	6830	4803.81	78.00	77.90	69.40	71.80	61.80
1992	764	8436	6227.93	96.00	96.00	70.80	92.80	63.40
1993	764	5041	3712.86	57.60	56.80	70.10	55.50	63.00
1994	764	3033	2227.26	34.60	33.40	68.30	33.30	61.60
1995	764	5663	4127.76	64.60	64.00	68.10	61.70	61.60
1996	764	8540	6338.90	97.20	97.20	69.40	94.50	63.10
1997	764	7336	5455.70	83.70	83.60	70.00	81.50	63.80
1998	764	6544	4869.91	74.70	74.40	70.20	72.80	64.20
1999	764	8563	6510.41	97.80	97.70	71.20	97.30	65.50
2000	764	6414	4735.94	73.00	73.10	71.30	70.60	65.70
2001	764	7009	5206.54	80.00	80.00	71.60	77.80	66.10
2002	764	8478	6318.15	96.80	96.80	72.50	94.40	67.10
2003	764	6236	4492.33	71.20	71.30	72.50	67.10	67.10
2004	764	8299	6171.77	94.50	94.60	73.20	92.00	67.90
2005	757	7774	5891.92	88.70	88.80	73.70	88.80	68.60
2006	760	7823	5910.48	89.30	89.30	74.20	88.80	69.20
2007	758	8685	6671.25	99.10	99.10	74.90	100.50	70.10
2008	770	7825	5964.14	89.10	89.10	75.30	88.50	70.70
2009	769	7494	5734.58	85.60	85.50	75.60	85.10	71.10
2010	774	8760	6792.88	100.00	100.00	76.30	100.20	71.90
2011	774	7376	5768.10	84.20	84.20	76.50	85.10	72.20
2012	768	7657	5822.50	87.20	87.20	76.80	86.30	72.60
2013	766	8760	6801.93	100.00	100.00	77.40	101.40	73.30
2014	768	7726	5915.35	88.20	88.20	77.60	87.90	73.70
2015	768	8692	6798.49	99.20	99.20	78.20	101.00	74.40
2016	768	7701	5922.80	87.70	87.70	78.40	87.80	74.70
2017	769	8741	6912.38	99.80	99.80	78.90	102.60	75.30
2018	769	7306	5632.14	83.40	83.40	79.00	83.60	75.50
2019	769	8760	6951.60	100.00	100.00	79.40	103.20	76.10
2020	769	7997	6188.55	91.00	91.00	79.70	91.60	76.50
2021	769	8760	6832.56	100.00	100.00	80.10	101.40	77.00
2022	769	7585	5618.50	86.60	86.60	80.30	83.40	77.10
2023	769	8760	6926.05	100.00	99.20	80.60	102.80	77.60