Mihama 3

Operable

Details

Reactor Type	Pressurised Water Reactor (or PWR)
Model	M (3-loop)
Owner	Kansai Electric Power Co.
Operator	Kansai Electric Power Co.

Timeline

Construction Start	Monday, 7 August 1972
First Criticality	Wednesday, 28 January 1976
First Grid Connection	Thursday, 19 February 1976
Commercial Operation	Wednesday, 1 December 1976
Long-term Shutdown	Saturday, 14 May 2011
Restart	Tuesday, 29 June 2021

Specifications

Capacity Net	780 MWe
Capacity Gross	826 MWe
Thermal Capacity	2440 MWt
Design Net Capacity	780 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 (%)
1976	780	5285	2615.00	100.00	85.10	85.10	85.10	85.10
1977	780	6159	4498.50	70.30	65.80	67.40	65.80	67.30
1978	780	5537	4166.60	63.20	59.50	63.60	61.00	64.30
1979	780	2307	1697.40	26.30	24.80	51.00	24.80	51.50
1980	780	5964	4597.70	67.90	67.00	55.00	67.10	55.30
1981	780	7607	5832.90	86.80	85.20	60.90	85.40	61.20
1982	780	6952	5239.10	79.40	76.40	63.40	76.70	63.80
1983	780	6330	4818.00	72.30	70.60	64.40	70.50	64.70
1984	780	6906	5353.73	78.60	77.80	66.10	78.10	66.40
1985	780	6426	4971.94	73.40	72.60	66.80	72.80	67.10
1986	780	8760	6848.35	100.00	99.80	70.10	100.20	70.40
1987	780	6268	4822.71	71.60	71.60	70.20	70.60	70.40
1988	780	5625	4261.32	64.00	64.00	69.70	62.20	69.70
1989	780	6834	5299.69	78.00	78.00	70.40	77.60	70.30
1990	780	8760	6867.04	100.00	100.00	72.40	100.50	72.40
1991	780	5495	4246.18	62.70	59.70	71.60	62.10	71.80
1992	780	6095	4709.88	69.40	68.50	71.40	68.70	71.60
1993	780	5951	4526.62	67.90	66.10	71.10	66.20	71.30
1994	780	8486	6623.04	96.90	96.80	72.50	96.90	72.70
1995	780	4534	3389.17	51.80	49.60	71.30	49.60	71.50
1996	780	5760	4491.42	65.60	65.30	71.00	65.60	71.20
1997	780	7963	6262.81	90.90	91.20	72.00	91.70	72.20
1998	780	7788	5979.86	88.90	87.10	72.70	87.50	72.80
1999	780	7398	5795.30	84.40	84.40	73.20	84.80	73.40
2000	780	6117	4784.98	69.60	69.60	73.00	69.80	73.20
2001	780	8760	6853.68	100.00	100.00	74.10	100.30	74.30
2002	780	6732	5248.01	76.80	76.80	74.20	76.80	74.40
2003	780	7701	6111.50	87.90	87.90	74.70	89.40	75.00
2004	780	5319	4301.26	60.60	60.50	74.20	62.80	74.50
2005	780	0	0.00	0.00	0.00	71.60	0.00	72.00
2006	780	181	92.08	2.10	1.40	69.30	1.40	69.60
2007	780	6190	4943.91	70.70	69.40	69.30	72.40	69.70
2008	780	7049	5725.55	80.20	79.70	69.60	83.60	70.10
2009	780	8315	6795.53	94.90	94.90	70.40	99.40	71.00
2010	780	6823	5541.00	77.90	77.40	70.60	81.10	71.30
2011	780	3203	2637.14	36.60	36.50	69.60	38.60	70.40
2012	780	0	0.00	0.00	0.00	67.70	0.00	68.40
2013	780	0	0.00	0.00	0.00	65.90	0.00	66.60
2014	780	0	0.00	0.00	0.00	64.20	0.00	64.80
2015	780	0	0.00	0.00	0.00	62.50	0.00	63.20
2016	780	0	0.00	0.00	0.00	61.00	0.00	61.60
2017	780	0	0.00	0.00	0.00	59.50	0.00	60.10
2018	780	0	0.00	0.00	0.00	58.10	0.00	58.70
2019	780	0	0.00	0.00	0.00	56.70	0.00	57.30
2020	780	0	0.00	0.00	0.00	55.40	0.00	56.00
2021	780	2804	2211.25	32.00	31.10	54.90	32.40	55.50
2022	780	2908	2343.68	33.20	32.70	54.40	34.30	55.00
2023	780	7139	5823.48	81.50	81.40	55.00	85.20	55.70