Hunterston B 1

Permanent Shutdown

Details

Reactor Type	Gas-Cooled Reactor (or GCR)
Model	AGR
Owner	EDF Energy
Operator	EDF Energy

Timeline

Construction Start	Wednesday, 1 November 1967
First Criticality	Saturday, 31 January 1976
First Grid Connection	Friday, 6 February 1976
Commercial Operation	Friday, 6 February 1976
Permanent Shutdown	Friday, 26 November 2021

Specifications

Capacity Net	490 MWe
Capacity Gross	644 MWe
Thermal Capacity	1496 MWt
Design Net Capacity	624 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	459	4293	1349.00	52.20	36.00	36.00	35.70	35.70
1977	500	4313	1709.20	49.40	40.10	38.20	39.10	37.50
1978	500	5375	2158.40	61.50	49.40	42.10	49.40	41.70
1979	500	5259	2250.00	60.20	52.20	44.70	51.50	44.20
1980	500	3750	1486.00	42.90	34.40	42.60	34.00	42.10
1981	500	3941	1794.80	44.30	40.80	42.30	40.30	41.80
1982	515	7408	3484.10	84.80	77.30	47.50	77.40	47.10
1983	520	6107	2912.00	69.90	63.10	49.50	64.10	49.30
1984	550	8080	4214.00	92.50	85.40	53.90	87.70	54.00
1985	575	6655	3644.20	76.20	71.10	55.80	72.60	56.10
1986	575	8268	4571.20	94.60	89.10	59.20	91.00	59.60
1987	575	6358	3268.40	71.40	63.70	59.60	63.80	60.00
1988	575	8568	4492.30	98.10	89.20	62.10	89.40	62.50
1989	575	5467	2959.70	62.60	58.20	61.80	58.90	62.20
1990	575	8585	4744.10	98.30	92.70	64.00	94.40	64.50
1991	575	3827	2033.80	43.80	40.10	62.40	40.50	62.90
1992	575	8771	4315.70	98.50	84.40	63.80	84.30	64.30
1993	575	5581	2928.90	63.90	58.20	63.50	58.30	63.90
1994	585	8545	4698.10	97.80	92.40	65.10	92.30	65.50
1995	585	6917	3829.98	76.60	74.20	65.60	72.50	65.90
1996	585	2839	1643.70	32.30	98.50	67.30	32.00	64.20
1997	595	7035	3833.99	80.10	73.60	67.60	73.40	64.60
1998	595	8584	4835.44	97.70	92.80	68.80	92.50	66.00
1999	595	8591	4811.50	97.80	92.30	69.90	92.10	67.10
2000	595	7497	4035.56	85.40	77.20	70.20	77.20	67.60
2001	595	8598	5030.39	97.90	86.60	70.90	96.20	68.80
2002	595	8356	4678.54	95.40	89.10	71.60	89.80	69.60
2003	595	7225	3936.46	82.50	74.60	71.70	75.50	69.80
2004	595	8271	4522.73	94.20	85.60	72.20	86.50	70.40
2005	595	8207	4096.42	93.70	78.40	72.40	78.60	70.70
2006	610	3838	1991.38	43.80	37.80	71.20	37.50	69.60
2007	420	4315	1303.35	49.30	32.50	70.20	31.90	68.60
2008	410	5894	2213.36	67.10	60.80	70.00	61.10	68.40
2009	430	6969	2827.96	79.60	73.90	70.10	76.00	68.60
2010	430	8409	3635.46	96.00	90.50	70.60	96.50	69.20
2011	460	7698	3382.26	87.90	83.60	70.90	83.90	69.60
2012	460	7350	3254.96	83.70	79.30	71.10	80.60	69.80
2013	460	8760	4058.32	100.00	96.20	71.60	100.70	70.50
2014	475	8103	3798.18	92.50	89.00	72.00	91.30	71.00
2015	480	7047	3333.82	80.40	77.90	72.20	79.30	71.20
2016	480	8120	3851.10	92.40	89.60	72.50	91.30	71.60
2017	480	8104	3860.89	92.50	90.10	72.90	91.80	72.00
2018	490	1488	631.33	17.00	16.00	71.70	14.70	70.80
2019	490	0	-78.20	0.00	0.00	70.20	0.00	69.30
2020	490	2953	1253.87	33.60	31.20	69.40	29.10	68.50
2021	490	6742	3177.15	85.10	82.20	69.60	81.90	68.70