Calvert Cliffs 1

Operable

Details

Reactor Type	Pressurised Water Reactor (or PWR)
Model	CE (2-loop) DRYAMB
Owner	Exelon Corporation
Operator	Exelon Generation Co., Llc

Timeline

Construction Start	Saturday, 1 June 1968
First Criticality	Monday, 7 October 1974
First Grid Connection	Friday, 3 January 1975
Commercial Operation	Thursday, 8 May 1975

Specifications

Capacity Net	877 MWe
Capacity Gross	918 MWe
Thermal Capacity	2737 MWt
Design Net Capacity	845 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 (%)
1975	800	6667	4381.60	81.80	77.20	77.20	77.40	77.40
1976	800	8356	6303.90	95.10	89.70	84.70	89.70	84.80
1977	807	6313	4882.00	72.10	68.60	78.60	69.10	78.90
1978	810	6150	4676.10	70.20	65.90	75.20	65.90	75.30
1979	810	6154	4194.10	70.20	59.10	71.70	59.10	71.80
1980	810	6349	4542.50	72.30	72.20	71.80	63.80	70.40
1981	821	7544	6109.60	86.10	86.40	74.00	85.00	72.60
1982	825	6419	5362.10	73.30	73.90	74.00	74.20	72.80
1983	825	6719	5570.70	76.70	77.00	74.40	77.10	73.30
1984	825	7422	6221.60	84.50	84.40	75.40	85.80	74.60
1985	825	5186	4359.73	59.20	58.80	73.80	60.30	73.30
1986	825	6855	5830.74	78.20	78.20	74.20	80.70	73.90
1987	825	6233	5268.48	71.20	70.90	73.90	72.90	73.80
1988	825	6263	5164.23	71.30	71.00	73.70	71.30	73.60
1989	825	1727	1345.62	19.70	18.80	70.00	18.60	69.90
1990	825	1840	1344.37	21.00	20.10	66.70	18.60	66.60
1991	825	6638	5465.33	75.80	75.50	67.30	75.60	67.10
1992	825	4927	4113.88	56.10	55.60	66.60	56.80	66.50
1993	830	8599	7334.90	98.20	98.20	68.30	101.20	68.40
1994	835	5656	4686.43	64.60	64.60	68.10	64.20	68.20
1995	835	8487	7030.23	96.90	96.90	69.50	96.10	69.60
1996	835	5762	4846.90	65.60	65.60	69.40	66.10	69.40
1997	835	8400	7158.40	95.90	96.00	70.50	97.90	70.70
1998	835	7184	6116.77	82.00	82.00	71.00	83.60	71.20
1999	835	8231	6994.34	94.00	94.00	72.00	95.60	72.20
2000	825	7580	6449.61	86.30	86.20	72.50	88.70	72.90
2001	825	8727	7454.78	99.60	99.60	73.60	103.20	74.00
2002	825	5506	4645.18	62.80	62.80	73.20	64.30	73.70
2003	825	8760	7532.45	100.00	100.00	74.10	104.20	74.70
2004	870	8034	6973.98	91.50	91.60	74.70	93.30	75.40
2005	845	8726	7626.32	99.60	99.60	75.50	103.00	76.30
2006	873	7386	6449.83	84.30	84.30	75.80	84.30	76.60
2007	873	8701	7545.36	99.30	99.40	76.60	98.70	77.30
2008	873	8275	7161.09	94.20	94.20	77.10	93.40	77.80
2009	873	8661	7528.57	98.90	98.90	77.80	98.40	78.40
2010	855	7814	6755.04	89.20	89.00	78.10	90.20	78.80
2011	855	8676	7542.52	99.00	99.00	78.70	100.70	79.40
2012	866	6930	6070.18	78.90	79.10	78.70	80.10	79.40
2013	866	8760	7815.24	100.00	100.00	79.30	103.00	80.00
2014	866	7868	6928.82	89.80	89.80	79.60	91.30	80.30
2015	866	8718	7772.62	99.50	99.50	80.10	102.50	80.90
2016	866	8132	7191.74	92.60	92.60	80.40	94.50	81.20
2017	863	8760	7832.43	100.00	100.00	80.90	103.50	81.80
2018	877	8128	7289.37	92.80	92.80	81.10	95.90	82.10
2019	877	8760	7913.33	100.00	100.00	81.60	103.00	82.60
2020	877	8185	7371.35	93.20	93.20	81.80	95.70	82.90
2021	877	8760	7869.30	100.00	100.00	82.30	102.40	83.30
2022	877	8257	7319.64	94.30	94.30	82.50	95.30	83.60
2023	877	8760	7828.41	100.00	99.70	82.90	101.90	84.00