Karachi 1

Permanent Shutdown

Details

Reactor Type	Pressurized Heavy Water Reactor (or PHWR)
Model	CANDU-137 MW
Owner	Pakistan Atomic Energy Commission
Operator	Pakistan Atomic Energy Commission

Timeline

Construction Start	Monday, 1 August 1966
First Criticality	Sunday, 1 August 1971
First Grid Connection	Monday, 18 October 1971
Commercial Operation	Thursday, 7 December 1972
Permanent Shutdown	Sunday, 1 August 2021

Specifications

Capacity Net	90 MWe
Capacity Gross	100 MWe
Thermal Capacity	337 MWt
Design Net Capacity	125 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 (%)
1971	137	102	3.00	-	-	-	-	-
1972	137	3737	232.70	80.20	38.70	38.70	38.60	38.60
1973	126	6197	394.80	70.70	35.60	35.90	35.80	36.00
1974	126	6749	583.90	77.00	52.80	43.90	52.90	44.10
1975	126	6375	494.90	72.80	44.80	44.20	44.80	44.30
1976	137	6026	487.30	68.60	40.50	43.20	40.50	43.30
1977	126	5290	339.40	60.40	30.70	40.80	30.80	40.90
1978	125	4473	228.40	51.10	20.90	37.60	20.90	37.70
1979	125	802	29.60	9.20	2.70	32.80	2.70	32.80
1980	125	2427	67.90	27.60	6.20	29.60	6.20	29.60
1981	125	5379	192.20	61.40	17.60	28.20	17.60	28.30
1982	125	1801	70.90	20.60	6.50	26.10	6.50	26.20
1983	125	4754	194.00	54.30	17.70	25.40	17.70	25.40
1984	137	5592	290.65	63.70	24.90	25.30	24.20	25.30
1985	137	3895	261.96	44.50	21.80	25.00	21.80	25.00
1986	125	7211	476.22	82.30	43.50	26.30	43.50	26.30
1987	125	4541	274.77	51.80	25.10	26.20	25.10	26.20
1988	125	2962	171.41	33.70	15.60	25.60	15.60	25.60
1989	125	1145	60.86	13.10	5.60	24.40	5.60	24.40
1990	125	5331	375.91	60.90	34.30	25.00	34.30	25.00
1991	125	6126	370.30	69.90	33.80	25.40	33.80	25.40
1992	125	6396	499.74	72.80	45.50	26.40	45.50	26.40
1993	125	4620	369.60	52.70	33.80	26.80	33.80	26.70
1994	125	7518	523.64	85.80	47.80	27.70	47.80	27.70
1995	125	7520	461.04	85.80	42.10	28.30	42.10	28.30
1996	125	5291	310.86	60.20	28.30	28.30	28.30	28.30
1997	125	6391	386.12	73.00	35.30	28.60	35.30	28.60
1998	125	4799	353.35	54.80	29.70	28.60	32.30	28.70
1999	125	1046	68.99	11.90	11.90	28.00	6.30	27.90
2000	125	5078	368.31	57.80	33.50	28.20	33.50	28.10
2001	125	6049	399.46	69.00	36.50	28.50	36.50	28.40
2002	125	6601	444.02	75.40	40.60	28.90	40.60	28.80
2003	125	0	0.00	0.00	0.00	28.00	0.00	27.90
2004	125	6467	183.00	73.60	24.70	27.90	16.70	27.50
2005	125	6633	253.56	75.70	37.70	28.20	23.20	27.40
2006	125	408	14.99	4.70	4.60	27.50	1.40	26.60
2007	125	5989	359.51	68.40	50.90	28.20	32.80	26.80
2008	125	5026	384.80	57.20	63.40	29.10	35.00	27.00
2009	125	6282	491.31	71.70	47.80	29.60	44.90	27.50
2010	125	6063	464.57	69.20	43.40	30.00	42.40	27.90
2011	125	2768	210.77	31.60	23.30	29.80	19.20	27.70
2012	125	7678	566.40	87.40	60.40	30.60	51.60	28.30
2013	90	6802	480.47	77.60	62.60	31.10	60.90	28.80
2014	90	3083	208.95	35.20	28.60	31.10	26.50	28.80
2015	90	5468	343.69	62.40	46.80	31.30	43.60	29.00
2016	90	7088	432.03	80.70	56.30	31.80	54.60	29.50
2017	90	5721	340.25	65.30	45.80	32.00	43.20	29.70
2018	90	4682	273.96	53.40	37.50	32.10	34.80	29.80
2019	90	759	38.97	8.70	4.90	31.60	4.90	29.40
2020	90	4869	274.92	55.40	35.30	31.70	34.80	29.50
2021	90	2297	132.82	44.80	30.70	31.70	28.80	29.50