Heysham A 1

Operable

Details

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

Timeline

Construction Start	Tuesday, 1 December 1970
First Criticality	Wednesday, 6 April 1983
First Grid Connection	Saturday, 9 July 1983
Commercial Operation	Saturday, 1 April 1989

Specifications

Capacity Net	485 MWe
Capacity Gross	625 MWe
Thermal Capacity	1500 MWt
Design Net Capacity	611 MWe

Sorry, we have no imagery here.

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 (%)
1983	-	-	-	-	-	-	-	-
1984	600	4718	1527.00	-	-	-	-	-
1985	621	726	256.39	-	-	-	-	-
1986	621	5731	2118.76	-	-	-	-	-
1987	621	6007	1887.12	-	-	-	-	-
1988	485	3025	1646.39	-	-	-	-	-
1989	420	7113	3045.30	82.50	100.00	100.00	84.80	84.80
1990	510	4096	1786.74	46.90	43.40	65.70	42.00	58.90
1991	621	7279	3826.17	83.30	86.40	74.70	70.50	63.90
1992	550	5981	2764.17	67.20	55.60	69.30	56.40	61.80
1993	560	6643	3638.22	76.00	74.30	70.40	75.00	64.70
1994	575	8128	4563.37	93.00	90.40	74.10	90.80	69.50
1995	575	4794	2808.87	54.60	55.90	71.30	55.60	67.40
1996	575	7674	4056.80	87.40	80.20	72.50	80.30	69.10
1997	575	7757	4298.79	88.30	84.50	73.90	85.10	71.00
1998	575	6950	3766.08	79.10	73.80	73.90	74.60	71.40
1999	575	7990	4549.83	91.00	89.70	75.40	90.10	73.20
2000	575	8230	4587.90	93.70	90.40	76.70	90.80	74.70
2001	575	6959	4034.58	79.20	77.60	76.80	79.90	75.20
2002	575	7921	4445.53	90.40	87.90	77.60	88.30	76.10
2003	575	6783	3746.22	77.40	74.40	77.40	74.40	76.00
2004	575	4951	2638.07	56.40	52.50	75.80	52.20	74.50
2005	575	7458	4033.07	85.10	80.10	76.00	80.10	74.80
2006	585	7229	3839.08	82.50	75.50	76.00	75.20	74.80
2007	585	4892	2498.55	55.80	49.10	74.50	48.80	73.40
2008	585	0	0.00	0.00	0.00	70.60	0.00	69.60
2009	585	6363	3478.25	72.60	68.40	70.50	67.90	69.50
2010	585	5117	2826.72	58.40	55.10	69.80	55.20	68.80
2011	585	8225	4627.86	93.90	90.50	70.70	90.30	69.80
2012	585	7055	3749.04	80.30	73.40	70.80	73.00	69.90
2013	585	5384	2833.02	61.50	56.60	70.20	55.30	69.30
2014	580	2841	1073.88	32.40	22.20	68.40	21.10	67.40
2015	580	6886	2167.04	78.60	43.10	67.40	42.60	66.50
2016	580	7663	3472.18	87.20	68.40	67.40	68.20	66.50
2017	580	6387	3044.02	72.90	60.20	67.20	59.90	66.30
2018	485	8018	3857.56	91.50	89.90	67.80	90.80	67.00
2019	485	7826	3581.24	89.30	84.00	68.30	84.30	67.50
2020	485	5639	2648.85	64.20	62.00	68.10	62.20	67.30
2021	485	5625	2657.70	64.20	62.40	68.00	62.60	67.20
2022	485	7363	3567.83	84.00	82.10	68.30	84.00	67.60
2023	485	6271	2909.14	71.60	67.60	68.30	68.50	67.60