A Dark Vector Cognition product

Item 2. PROPERTIES

15K characters. Original on sec.gov ·

Item 2. PROPERTIES

Virtually all of the utility plant property of the operating companies is subject to the lien of their respective first mortgage bond indentures.

NSP-Minnesota Station, Location and Unit at Dec. 31, 2022FuelInstalledMW (a)
Steam:
A.S. King-Bayport, MN, 1 UnitCoal1968511
Sherco-Becker, MN
Unit 1Coal1976680
Unit 2Coal1977682
Unit 3Coal1987517(b)
Monticello, MN, 1 UnitNuclear1971617
PI-Welch, MN
Unit 1Nuclear1973521
Unit 2Nuclear1974519
Various locations, 4 UnitsWood/RefuseVarious36(c)
Combustion Turbine:
Angus Anson-Sioux Falls, SD, 3 UnitsNatural Gas1994 - 2005327
Black Dog-Burnsville, MN, 3 UnitsNatural Gas1987 - 2018494
Blue Lake-Shakopee, MN, 6 UnitsNatural Gas1974 - 2005447
High Bridge-St. Paul, MN, 3 UnitsNatural Gas2008530
Inver Hills-Inver Grove Heights, MN, 6 UnitsNatural Gas1972252
Riverside-Minneapolis, MN, 3 UnitsNatural Gas2009454
Various locations, 7 UnitsNatural GasVarious10
Wind:
Blazing Star 1-Lincoln County, MN, 100 UnitsWind2020200(d)
Blazing Star 2-Lincoln County, MN, 100 UnitsWind2021200(d)
Border-Rolette County, ND, 75 UnitsWind2015148(d)
Community Wind North-Lincoln County, MN, 12 UnitsWind202026(d)
Courtenay Wind-Stutsman County, ND, 100 UnitsWind2016190(d)
Crowned Ridge 2-Grant County, SD, 88 UnitsWind2020192(d)
Dakota Range, SD, 72 UnitsWind2022298(d)
Foxtail-Dickey County, ND, 75 UnitsWind2019150(d)
Freeborn-Freeborn County, MN, 100 UnitsWind2021200(d)
Grand Meadow-Mower County, MN, 67 UnitsWind200899(d)
Jeffers-Cottonwood County, MN, 20 UnitsWind202043(d)
Lake Benton-Pipestone County, MN, 44 UnitsWind201999(d)
Mower-Mower County, MN, 43 UnitsWind202191(d)
Nobles-Nobles County, MN, 133 Units (e)Wind2010200(d)
Pleasant Valley-Mower County, MN, 100 UnitsWind2015196(d)
Rock Aetna - Murray County, MN, 8 UnitsWind202220(d)
Total8,949

(a)Summer 2022 net dependable capacity.

(b)Based on NSP-Minnesota’s ownership of 59%.

(c)Refuse-derived fuel is made from municipal solid waste.

(d)Capacity is attainable only when wind conditions are sufficiently available.

(e)Repowered in 2022.

NSP-Wisconsin Station, Location and Unit at Dec. 31, 2022FuelInstalledMW (a)
Steam:
Bay Front-Ashland, WI, 2 UnitsWood/Natural Gas1948 - 195641
French Island-La Crosse, WI, 2 UnitsWood/Refuse1940 - 194816(b)
Combustion Turbine:
French Island-La Crosse, WI, 2 UnitsOil1974122
Wheaton-Eau Claire, WI, 5 UnitsNatural Gas/Oil1973234
Hydro:
Various locations, 62 UnitsHydroVarious135
Total548

(a)Summer 2022 net dependable capacity.

(b)Refuse-derived fuel is made from municipal solid waste.

PSCo Station, Location and Unit at Dec. 31, 2022FuelInstalledMW (a)
Steam:
Comanche-Pueblo, CO
Unit 2Coal1975335
Unit 3Coal2010500(b)
Craig-Craig, CO, 2 UnitsCoal1979 - 198082(c)
Hayden-Hayden, CO, 2 UnitsCoal1965 - 1976233(d)
Pawnee-Brush, CO, 1 UnitCoal1981505
Cherokee-Denver, CO, 1 UnitNatural Gas1968310
Combustion Turbine:
Blue Spruce-Aurora, CO, 2 UnitsNatural Gas2003264
Cherokee-Denver, CO, 3 UnitsNatural Gas2015576
Fort St. Vrain-Platteville, CO, 6 UnitsNatural Gas1972 - 2009973
Manchief, CO, 2 Units (e)Natural Gas2000250
Rocky Mountain-Keenesburg, CO, 3 UnitsNatural Gas2004580
Various locations, 8 UnitsNatural GasVarious251
Hydro:
Cabin Creek-Georgetown, CO
Pumped Storage, 2 UnitsHydro1967210
Various locations, 6 UnitsHydroVarious23
Wind:
Rush Creek, CO, 300 unitsWind2018582(f)
Cheyenne Ridge, CO, 229 unitsWind2020477(f)
Total6,151

(a)Summer 2022 net dependable capacity.

(b)Based on PSCo’s ownership of 67%.

(c)Based on PSCo’s ownership of 10%.

(d)Based on PSCo’s ownership of 76% of Unit 1 and 37% of Unit 2.

(e)Purchased in 2022.

(f)Capacity is attainable only when wind conditions are sufficiently available.

Table of Contents

SPS Station, Location and Unit at Dec. 31, 2022FuelInstalledMW (a)
Steam:
Cunningham-Hobbs, NM, 2 UnitsNatural Gas1957 - 1965225
Harrington-Amarillo, TX, 3 UnitsCoal1976 - 19801,018
Jones-Lubbock, TX, 2 UnitsNatural Gas1971 - 1974486
Maddox-Hobbs, NM, 1 UnitNatural Gas1967112
Nichols-Amarillo, TX, 3 UnitsNatural Gas1960 - 1968457
Plant X-Earth, TX, 3 UnitsNatural Gas1952 - 1964298
Tolk-Muleshoe, TX, 2 UnitsCoal1982 - 19851,067
Combustion Turbine:
Cunningham-Hobbs, NM, 2 UnitsNatural Gas1997207
Jones-Lubbock, TX, 2 UnitsNatural Gas2011 - 2013334
Maddox-Hobbs, NM, 1 UnitNatural Gas1963 - 197661
Wind:
Hale-Plainview, TX, 239 UnitsWind2019477(b)
Sagamore-Dora, NM, 240 UnitsWind2020507(b)
Total5,249

(a) Summer 2022 net dependable capacity.

(b) Capacity is attainable only when wind conditions are sufficiently available.

Electric utility overhead and underground transmission and distribution lines at Dec. 31, 2022:

Conductor MilesNSP-MinnesotaNSP-WisconsinPSCoSPS
Transmission
500 KV2,915———
345 KV12,1832,4575,41811,676
230 KV2,300—12,1419,829
161 KV6261,795——
138 KV——92—
115 KV8,0331,8295,01114,905
Less than 115 KV6,5375,5711,8394,469
Total Transmission32,59411,65224,50140,879
Distribution
Less than 115 KV82,02427,81779,33123,538
Total114,61839,469103,83264,417

Electric utility transmission and distribution substations at Dec. 31, 2022:

NSP-MinnesotaNSP-WisconsinPSCoSPS
Substations352206238457

Natural gas utility mains at Dec. 31, 2022:

MilesNSP-MinnesotaNSP-WisconsinPSCoSPSWGI
Transmission7832,0672011
Distribution10,9022,57023,542——

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