Prairie Island 2

Operable

Details

Reactor Type	Pressurised Water Reactor (or PWR)
Model	W (2-loop) DRYAMB
Owner	Xcel Energy
Operator	Northern States Power Co. (Subsidiary Of Xcel Energy)

Timeline

Construction Start	Wednesday, 25 June 1969
First Criticality	Tuesday, 17 December 1974
First Grid Connection	Saturday, 21 December 1974
Commercial Operation	Saturday, 21 December 1974

Specifications

Capacity Net	519 MWe
Capacity Gross	560 MWe
Thermal Capacity	1677 MWt
Design Net Capacity	530 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	520	104	7.40	-	-	-	-	-
1975	520	7035	3176.20	80.50	69.90	69.90	69.90	69.90
1976	520	6657	2660.60	75.80	58.20	64.10	58.20	64.10
1977	511	7807	3882.30	89.10	86.70	71.50	86.70	71.50
1978	507	8126	3924.40	92.80	88.20	75.60	88.40	75.70
1979	500	8661	4193.00	98.90	94.60	79.30	95.70	79.60
1980	500	7167	3468.70	81.60	81.40	79.70	79.00	79.50
1981	500	6292	3092.90	71.80	71.40	78.50	70.60	78.20
1982	500	7844	3857.70	89.50	89.80	79.90	88.10	79.50
1983	500	7574	3716.30	86.50	86.50	80.60	84.80	80.00
1984	500	7830	3905.96	89.10	89.20	81.50	88.90	80.90
1985	500	7378	3612.47	84.20	93.00	82.50	82.50	81.10
1986	500	7930	3853.98	90.50	90.60	83.20	88.00	81.60
1987	500	8760	4462.19	100.00	100.00	84.40	101.90	83.20
1988	500	7773	3886.16	88.50	88.20	84.70	88.50	83.60
1989	500	7798	3887.19	89.00	96.90	85.50	88.80	83.90
1990	500	7602	3803.70	86.80	83.30	85.40	86.80	84.10
1991	500	8760	4480.40	100.00	100.00	86.20	101.80	85.10
1992	500	6516	3223.51	74.20	73.50	85.50	73.40	84.50
1993	512	7338	3746.24	83.80	83.50	85.40	85.00	84.50
1994	512	8734	4552.96	99.70	99.70	86.20	101.50	85.40
1995	512	7666	3968.17	87.50	87.50	86.20	88.50	85.50
1996	512	8653	4485.11	98.50	98.60	86.80	99.70	86.20
1997	512	7180	3642.86	82.00	82.00	86.60	81.20	86.00
1998	512	6555	3333.71	74.80	74.80	86.10	74.30	85.50
1999	522	8690	4597.44	99.20	99.20	86.60	100.50	86.10
2000	522	7820	4182.26	89.00	89.00	86.70	91.20	86.30
2001	522	8031	4270.96	91.70	91.70	86.90	93.40	86.60
2002	522	8082	4296.03	92.30	92.40	87.10	94.00	86.80
2003	522	8058	4240.97	92.00	92.00	87.30	92.80	87.00
2004	522	8737	4660.26	99.50	99.50	87.70	101.60	87.50
2005	522	7296	3848.63	83.30	83.30	87.60	84.20	87.40
2006	522	7665	4012.40	87.50	87.50	87.60	87.80	87.40
2007	545	8488	4456.64	96.90	96.90	87.90	93.40	87.60
2008	545	7768	4059.36	88.40	88.40	87.90	84.80	87.50
2009	545	8760	4653.35	100.00	100.00	88.20	97.50	87.80
2010	554	7817	4128.07	89.20	89.30	88.30	86.10	87.80
2011	519	8354	4477.65	95.40	95.10	88.50	98.50	88.10
2012	518	6453	3354.75	73.50	73.50	88.10	73.70	87.70
2013	519	6311	3069.71	72.00	72.10	87.60	67.50	87.20
2014	518	8556	4570.74	97.70	97.70	87.90	100.70	87.50
2015	518	6531	3386.74	74.60	74.60	87.60	74.60	87.20
2016	518	7500	4066.08	85.40	85.40	87.50	89.40	87.30
2017	519	7767	4179.73	88.70	88.70	87.60	91.90	87.40
2018	519	8760	4792.83	100.00	100.00	87.80	105.40	87.80
2019	519	8183	4367.41	93.40	93.40	88.00	96.10	88.00
2020	519	8783	4746.40	100.00	100.00	88.20	104.10	88.30
2021	519	8066	4299.59	92.10	92.10	88.30	94.60	88.40
2022	519	8760	4782.23	100.00	100.00	88.60	105.20	88.80