Item 2. PROPERTIES

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



NSP-Minnesota Station, Location and Unit	Fuel	Installed	MW (a)
Steam:
A.S. King-Bayport, MN, 1 Unit	Coal	1968	511
Sherco-Becker, MN
Unit 1	Coal	1976	680
Unit 2	Coal	1977	682
Unit 3	Coal	1987	517	(b)
Monticello, MN, 1 Unit	Nuclear	1971	617
PI-Welch, MN
Unit 1	Nuclear	1973	521
Unit 2	Nuclear	1974	519
Various locations, 4 Units	Wood/Refuse	Various	36	(c)
Combustion Turbine:
Angus Anson-Sioux Falls, SD, 3 Units	Natural Gas	1994 - 2005	327
Black Dog-Burnsville, MN, 3 Units	Natural Gas	1987 - 2018	494
Blue Lake-Shakopee, MN, 6 Units	Natural Gas	1974 - 2005	453
High Bridge-St. Paul, MN, 3 Units	Natural Gas	2008	530
Inver Hills-Inver Grove Heights, MN, 6 Units	Natural Gas	1972	282
Riverside-Minneapolis, MN, 3 Units	Natural Gas	2009	454
Various locations, 7 Units	Natural Gas	Various	10
Wind:
Border-Rolette County, ND, 75 Units	Wind	2015	148	(d)
Courtenay Wind-Stutsman County, ND, 100 Units	Wind	2016	190	(d)
Foxtail-Dickey County, ND, 75 Units	Wind	2019	150	(d)
Grand Meadow-Mower County, MN, 67 Units	Wind	2008	99	(d)
Lake Benton-Pipestone County, MN, 44 Units	Wind	2019	99	(d)
Nobles-Nobles County, MN, 134 Units	Wind	2010	197	(d)
Pleasant Valley-Mower County, MN, 100 Units	Wind	2015	196	(d)
		Total	7,712


(a)	Summer 2019 net dependable capacity.


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


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


(d)	Values disclosed are the maximum generation levels for these wind units. Capacity is attainable only when wind conditions are sufficiently available (on-demand net dependable capacity is zero).



NSP-Wisconsin Station, Location and Unit	Fuel	Installed	MW (a)
Steam:
Bay Front-Ashland, WI, 2 Units	Coal/Wood/Natural Gas	1948 - 1956	41
French Island-La Crosse, WI, 2 Units	Wood/Refuse	1940 - 1948	16	(b)
Combustion Turbine:
French Island-La Crosse, WI, 2 Units	Oil	1974	122
Wheaton-Eau Claire, WI, 5 Units	Natural Gas/Oil	1973	234
Hydro:
Various locations, 63 Units	Hydro	Various	135
		Total	548


(a)	Summer 2019 net dependable capacity.


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



PSCo Station, Location and Unit	Fuel	Installed	MW (a)
Steam:
Comanche-Pueblo, CO (b)
Unit 1	Coal	1973	325
Unit 2	Coal	1975	335
Unit 3	Coal	2010	500	(c)
Craig-Craig, CO, 2 Units (d)	Coal	1979 - 1980	82	(e)
Hayden-Hayden, CO, 2 Units	Coal	1965 - 1976	233	(f)
Pawnee-Brush, CO, 1 Unit	Coal	1981	505
Cherokee-Denver, CO, 1 Unit	Natural Gas	1968	310
Combustion Turbine:
Blue Spruce-Aurora, CO, 2 Units	Natural Gas	2003	264
Cherokee-Denver, CO, 3 Units	Natural Gas	2015	576
Fort St. Vrain-Platteville, CO, 6 Units	Natural Gas	1972 - 2009	968
Rocky Mountain-Keenesburg, CO, 3 Units	Natural Gas	2004	580
Various locations, 6 Units	Natural Gas	Various	171
Hydro:
Cabin Creek-Georgetown, CO
Pumped Storage, 2 Units	Hydro	1967	210
Various locations, 8 Units	Hydro	Various	25
Wind:
Rush Creek, CO, 300 units	Wind	2018	582	(g)
		Total	5,666


(a)	Summer 2019 net dependable capacity.


(b)	In 2018, the CPUC approved early retirement of PSCo’s Comanche Units 1 and 2 in 2022 and 2025, respectively.


(c)	Based on PSCo’s ownership of 67%.


(d)	Craig Unit 1 is expected to be retired early in 2025.


(e)	Based on PSCo’s ownership of 10%.


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


(g)	Values disclosed are the maximum generation levels for these wind units. Capacity is attainable only when wind conditions are sufficiently available (on-demand net dependable capacity is zero).



SPS Station, Location and Unit	Fuel	Installed	MW (a)
Steam:
Cunningham-Hobbs, NM, 2 Units	Natural Gas	1957 - 1965	189
Harrington-Amarillo, TX, 3 Units	Coal	1976 - 1980	1,018
Jones-Lubbock, TX, 2 Units	Natural Gas	1971 - 1974	486
Maddox-Hobbs, NM, 1 Unit	Natural Gas	1967	112
Nichols-Amarillo, TX, 3 Units	Natural Gas	1960 - 1968	457
Plant X-Earth, TX, 4 Units	Natural Gas	1952 - 1964	411
Tolk-Muleshoe, TX, 2 Units	Coal	1982 - 1985	1,067
Combustion Turbine:
Cunningham-Hobbs, NM, 2 Units	Natural Gas	1997	209
Jones-Lubbock, TX, 2 Units	Natural Gas	2011 - 2013	334
Maddox-Hobbs, NM, 1 Unit	Natural Gas	1963 - 1976	61
Wind:
Hale-Plainview, TX, 239 Units	Wind	2019	460	(b)
		Total	4,804


(a)	Summer 2019 net dependable capacity.


(b)	Values disclosed are the maximum generation levels for these wind units. Capacity is attainable only when wind conditions are sufficiently available (on-demand net dependable capacity is zero).

Electric utility overhead and underground transmission and distribution lines (measured in conductor miles) at Dec. 31, 2019:

Electric utility transmission and distribution substations at Dec. 31, 2019:

Natural gas utility mains at Dec. 31, 2019: