Loviisa 1

Operable

Details

Reactor Type	Pressurised Water Reactor (or PWR)
Model	VVER V-213
Owner	Fortum Power And Heat Oy (Former Ivo)
Operator	Fortum Power And Heat Oy (Former Ivo)

Timeline

Construction Start	Saturday, 1 May 1971
First Criticality	Friday, 21 January 1977
First Grid Connection	Tuesday, 8 February 1977
Commercial Operation	Monday, 9 May 1977

Specifications

Capacity Net	507 MWe
Capacity Gross	531 MWe
Thermal Capacity	1500 MWt
Design Net Capacity	420 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 (%)
1977	430	7192	2505.50	95.10	83.80	83.80	83.80	83.80
1978	430	7531	2975.80	86.00	78.90	80.90	79.00	80.90
1979	405	7404	2901.70	84.50	81.80	81.20	81.80	81.20
1980	445	3482	1407.80	39.60	36.60	68.50	36.00	68.40
1981	440	7642	3105.10	87.20	81.90	71.50	80.60	71.00
1982	440	7576	3245.40	86.50	84.20	73.80	84.20	73.40
1983	445	7982	3337.40	91.10	86.70	75.70	85.60	75.30
1984	445	7653	3343.86	87.10	85.80	77.10	85.60	76.70
1985	440	8248	3599.97	94.20	92.50	78.90	93.40	78.60
1986	445	8093	3522.37	92.40	91.10	80.20	90.40	79.80
1987	445	8257	3600.36	94.30	94.60	81.50	92.40	81.00
1988	445	7678	3354.63	87.40	87.00	82.00	85.80	81.40
1989	445	8183	3575.75	93.40	92.60	82.90	91.70	82.30
1990	445	7605	3271.13	86.80	85.50	83.10	83.90	82.40
1991	445	7927	3360.90	90.50	88.60	83.40	86.20	82.70
1992	445	7186	3108.41	81.80	80.20	83.20	79.50	82.50
1993	445	8052	3443.16	92.00	89.50	83.60	88.40	82.80
1994	445	8017	3497.57	91.50	90.70	84.00	89.70	83.20
1995	445	7834	3389.06	89.40	87.70	84.20	86.90	83.40
1996	445	7281	3203.49	82.90	82.00	84.10	82.00	83.30
1997	445	8309	3794.83	94.80	93.00	84.50	97.40	84.00
1998	488	8234	3852.35	94.00	91.40	84.90	90.10	84.30
1999	488	8304	3883.28	94.80	91.60	85.20	90.80	84.60
2000	488	7720	3618.00	87.90	84.90	85.20	84.40	84.60
2001	488	8233	3920.99	94.00	92.40	85.50	91.70	85.00
2002	488	8095	3790.07	92.40	89.30	85.70	88.70	85.10
2003	488	8194	3938.98	93.50	92.40	85.90	92.10	85.40
2004	488	7647	3715.03	87.00	86.50	86.00	86.70	85.40
2005	488	8351	4062.43	95.30	94.60	86.30	95.00	85.80
2006	488	8138	3964.84	92.90	92.10	86.50	92.70	86.00
2007	488	8285	4028.12	94.60	93.50	86.70	94.20	86.30
2008	488	7571	3671.84	86.20	84.50	86.70	85.70	86.30
2009	488	8345	4084.91	95.30	94.80	86.90	95.60	86.60
2010	488	8123	3955.59	92.70	92.00	87.10	92.50	86.80
2011	488	8295	4026.87	94.70	93.80	87.30	94.20	87.00
2012	496	7473	3653.04	85.10	84.10	87.20	83.90	86.90
2013	496	8219	4000.24	93.80	92.00	87.30	92.10	87.10
2014	496	8262	4010.58	94.30	92.60	87.50	92.30	87.20
2015	496	8248	4025.96	94.20	92.70	87.60	92.70	87.40
2016	502	7873	3862.81	89.60	88.40	87.60	88.50	87.40
2017	507	8246	4087.37	94.10	92.70	87.80	92.70	87.60
2018	507	8124	4021.00	92.70	90.60	87.90	90.50	87.60
2019	507	8270	4109.79	94.40	92.90	88.00	92.50	87.80
2020	507	7483	3709.12	85.20	83.50	87.90	83.30	87.60
2021	507	8325	4137.39	95.00	93.40	88.00	93.20	87.80
2022	507	8060	3995.96	92.00	90.20	88.10	90.00	87.80
2023	507	8200	3987.98	93.60	90.50	88.10	89.80	87.90