Duane Arnold 1

Permanent Shutdown

Details

Reactor Type	Boiling Water Reactor (or BWR)
Model	BWR-4 (Mark 1)
Owner	Nextera Energy Resources, Llc
Operator	Nextera Energy Resources, Llc

Timeline

Construction Start	Monday, 22 June 1970
First Criticality	Saturday, 23 March 1974
First Grid Connection	Sunday, 19 May 1974
Commercial Operation	Saturday, 1 February 1975
Permanent Shutdown	Friday, 30 October 2020

Specifications

Capacity Net	601 MWe
Capacity Gross	624 MWe
Thermal Capacity	1912 MWt
Design Net Capacity	601 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	515	4101	1452.00	-	-	-	-	-
1975	515	6965	2298.20	78.60	79.40	79.40	50.90	50.90
1976	515	6847	2489.40	78.00	55.10	66.70	55.00	53.00
1977	515	6908	2897.80	78.90	64.30	65.90	64.20	56.90
1978	515	2902	1227.50	33.10	27.20	56.00	27.20	49.30
1979	515	6830	2898.90	78.00	64.20	57.70	64.30	52.30
1980	515	6456	2796.30	73.50	73.20	60.30	61.80	54.00
1981	515	6108	2219.50	69.70	69.30	61.60	49.20	53.30
1982	515	6543	2280.40	74.70	74.20	63.20	50.60	52.90
1983	515	5503	2324.30	62.80	61.80	63.00	51.50	52.80
1984	515	6402	2717.56	72.90	72.20	64.00	60.10	53.50
1985	515	4711	1940.49	53.80	52.60	62.90	43.00	52.50
1986	515	7495	3192.83	85.60	81.50	64.50	70.80	54.10
1987	515	5513	2546.58	62.90	62.00	64.30	56.40	54.20
1988	515	7128	3520.21	81.20	72.30	64.90	77.00	55.90
1989	538	6561	3143.64	74.90	62.40	64.70	67.00	56.70
1990	538	6498	3021.05	74.20	74.70	65.40	64.10	57.20
1991	515	8217	4146.80	93.80	93.90	67.10	89.00	59.10
1992	515	7112	3434.64	81.00	80.50	67.80	75.90	60.00
1993	515	6755	3241.40	77.10	76.60	68.30	71.80	60.60
1994	515	8078	4108.36	92.20	92.00	69.50	91.10	62.20
1995	515	7253	3736.97	82.80	82.40	70.10	82.80	63.10
1996	520	7906	3938.54	90.00	89.90	71.00	86.20	64.20
1997	520	8125	4155.53	92.80	92.70	71.90	91.20	65.40
1998	520	7477	3839.16	85.40	85.20	72.50	84.30	66.20
1999	520	7267	3649.04	83.00	83.00	72.90	80.10	66.70
2000	520	8553	4455.71	97.40	97.40	73.90	97.60	67.90
2001	565	7473	3860.64	85.30	85.40	74.30	84.10	68.50
2002	565	8147	4581.08	93.00	93.60	75.00	92.70	69.50
2003	565	7209	3998.57	82.30	83.80	75.40	80.80	69.90
2004	565	8596	4929.91	97.90	97.90	76.20	99.30	71.00
2005	562	7882	4544.47	90.00	90.00	76.70	92.30	71.70
2006	581	8664	5095.41	98.90	98.90	77.40	100.10	72.70
2007	580	7598	4518.88	86.70	86.70	77.70	88.90	73.20
2008	580	8784	5282.81	100.00	100.00	78.50	103.70	74.20
2009	579	7891	4678.93	90.10	90.10	78.80	92.20	74.80
2010	601	7471	4454.36	85.30	85.80	79.00	84.60	75.10
2011	601	8611	5215.23	98.30	98.30	79.60	99.10	75.80
2012	601	7391	4347.00	84.10	84.20	79.80	82.30	76.00
2013	601	8760	5320.78	100.00	100.00	80.40	101.00	76.70
2014	601	7482	4152.47	85.40	85.40	80.50	78.90	76.80
2015	601	8760	5243.45	100.00	100.00	81.00	99.60	77.40
2016	601	8096	4702.67	92.20	92.20	81.30	89.10	77.70
2017	601	8683	5213.51	99.10	99.10	81.80	99.00	78.30
2018	601	8258	4895.41	94.30	94.30	82.10	93.00	78.60
2019	601	8711	5235.72	99.40	99.40	82.50	99.40	79.10
2020	601	5340	2904.86	81.20	81.20	82.50	73.50	79.00