Takahama 1

Operable

Takaham 1 shut down on 10 January 2011 and is in the process of seeking clearance to restart, after the introduction of new regulatory requirements in 2013 by Japan's Nuclear Regulation Authority.

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	Saturday, 25 April 1970
First Criticality	Thursday, 14 March 1974
First Grid Connection	Wednesday, 27 March 1974
Commercial Operation	Thursday, 14 November 1974
Long-term Shutdown	Monday, 10 January 2011
Restart	Wednesday, 2 August 2023

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 (%)
1974	780	4392	2660.40	94.00	94.00	94.00	92.80	92.80
1975	780	6938	4980.40	79.20	72.80	75.80	72.90	75.70
1976	780	4900	3170.10	55.80	46.20	62.10	46.30	62.10
1977	780	569	383.80	6.50	5.60	44.30	5.60	44.30
1978	780	4088	2762.50	46.70	40.40	43.40	40.40	43.40
1979	780	2269	1648.90	25.90	24.10	39.70	24.10	39.60
1980	780	3604	2705.10	41.00	39.40	39.60	39.50	39.60
1981	780	5180	3990.20	59.10	58.30	42.20	58.40	42.20
1982	780	5085	3872.10	58.00	56.50	44.00	56.70	44.00
1983	780	7403	5716.20	84.50	83.70	48.30	83.70	48.30
1984	780	4586	3537.44	52.20	51.40	48.60	51.60	48.60
1985	780	6473	5000.77	73.90	72.80	50.80	73.20	50.80
1986	780	6507	5070.31	74.30	73.90	52.70	74.20	52.80
1987	780	6148	4701.39	70.20	70.20	54.00	68.80	54.00
1988	780	5351	4147.13	60.90	60.90	54.50	60.50	54.40
1989	780	6311	4877.26	72.00	72.00	55.60	71.40	55.60
1990	780	8002	6265.50	91.40	90.80	57.80	91.70	57.80
1991	780	6202	4795.05	70.80	68.20	58.40	70.20	58.50
1992	780	6051	4644.96	68.90	67.60	58.90	67.80	59.00
1993	780	4458	3299.67	50.90	48.40	58.40	48.30	58.50
1994	780	5146	4024.04	58.70	58.80	58.40	58.90	58.50
1995	780	8485	6585.13	96.90	96.00	60.20	96.40	60.30
1996	780	4331	3358.80	49.30	48.80	59.70	49.00	59.80
1997	780	6000	4674.40	68.50	68.10	60.00	68.40	60.10
1998	780	8760	6856.82	100.00	100.00	61.70	100.40	61.80
1999	780	7291	5704.24	83.20	83.20	62.50	83.50	62.70
2000	780	7716	6008.07	87.80	87.40	63.50	87.70	63.60
2001	780	7731	6005.80	88.20	87.60	64.40	87.90	64.50
2002	780	7749	6056.31	88.50	88.40	65.20	88.60	65.40
2003	780	7637	6247.16	87.20	87.20	66.00	91.40	66.30
2004	780	6785	5539.92	77.20	77.20	66.40	80.90	66.80
2005	780	7659	6222.49	87.40	87.10	67.00	91.10	67.50
2006	780	7811	6347.13	89.20	89.20	67.70	92.90	68.30
2007	780	7399	6012.94	84.50	84.20	68.20	88.00	68.90
2008	780	6077	4935.75	69.20	68.80	68.20	72.00	69.00
2009	780	7193	5870.09	82.10	81.70	68.60	85.90	69.50
2010	780	8760	7193.46	100.00	100.00	69.50	105.30	70.50
2011	780	226	183.43	0.00	0.00	69.50	0.00	70.50
2012	-	-	-	-	-	-	-	-
2013	-	-	-	-	-	-	-	-
2014	-	-	-	-	-	-	-	-
2015	-	-	-	-	-	-	-	-
2016	-	-	-	-	-	-	-	-
2017	-	-	-	-	-	-	-	-
2018	-	-	-	-	-	-	-	-
2019	-	-	-	-	-	-	-	-
2020	-	-	-	-	-	-	-	-
2021	-	-	-	-	-	-	-	-
2022	-	-	-	-	-	-	-	-
2023	780	3633	2936.11	99.60	99.10	69.80	103.20	70.80