Item 2. PROPERTIES

Alliant Energy - As a holding company, Alliant Energy doesn’t directly own any significant properties other than the stock of its subsidiaries. The principal properties of those subsidiaries are as follows:



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IPL and WPL

Electric - At December 31, 2019, IPL’s and WPL’s EGUs by primary fuel type were as follows:



IPL		Nameplate	Generating
	In-service	Capacity	Capacity
Name of EGU and Location	Dates	in MW	in MW (a)
Marshalltown Generating Station (Units 1-3); Marshalltown, IA	2017	706	624
Emery Generating Station (Units 1-3); Mason City, IA	2004	603	538
Marshalltown Combustion Turbines (Units 1-3); Marshalltown, IA	1978	189	134
Prairie Creek Generating Station (Unit 4); Cedar Rapids, IA	1967	149	105
Burlington Combustion Turbines (Units 1-4); Burlington, IA	1994-1996	79	38
Total Gas		1,726	1,439
Ottumwa Generating Station (Unit 1); Ottumwa, IA (b)	1981	348	320
Lansing Generating Station (Unit 4); Lansing, IA	1977	275	210
Burlington Generating Station (Unit 1); Burlington, IA	1968	212	179
George Neal Generating Station (Unit 4); Sioux City, IA (c)	1979	179	156
George Neal Generating Station (Unit 3); Sioux City, IA (d)	1975	164	137
Prairie Creek Generating Station (Units 1 and 3); Cedar Rapids, IA	1958-1997	65	28
Louisa Generating Station (Unit 1); Louisa, IA (e)	1983	32	29
Total Coal		1,275	1,059
Lime Creek Combustion Turbines (Units 1-2); Mason City, IA	1991	90	67
Total Oil		90	67
Upland Prairie (121 Units); Clay and Dickinson Cos., IA	2019	303	47
Whispering Willow - East (121 Units); Franklin Co., IA	2009	200	32
English Farms (69 Units); Poweshiek Co., IA	2019	172	26
Franklin County (60 Units); Franklin Co., IA	2012	99	16
Total Wind		774	121
Dubuque Solar Garden; Dubuque, IA	2017	5	2
Total Solar		5	2
Total capacity		3,870	2,688



WPL		Nameplate	Generating
	In-service	Capacity	Capacity
Name of EGU and Location	Dates	in MW	in MW (a)
Riverside Energy Center (Units 1-3); Beloit, WI	2004	675	544
Neenah Energy Facility (Units 1-2); Neenah, WI	2000	371	293
South Fond du Lac Combustion Turbines (2 Units); Fond du Lac, WI (f)	1994	191	150
Rock River Combustion Turbines (Units 3-6); Beloit, WI	1967-1972	169	81
Sheepskin Combustion Turbine (Unit 1); Edgerton, WI	1971	42	28
Total Gas		1,448	1,096
Columbia Energy Center (Units 1-2); Portage, WI (g)	1975-1978	593	561
Edgewater Generating Station (Unit 5); Sheboygan, WI	1985	414	404
Total Coal		1,007	965
Bent Tree (122 Units); Freeborn Co., MN	2010-2011	201	31
Cedar Ridge (41 Units); Fond du Lac Co., WI	2008	68	10
Forward Wind Energy Center (37 Units); Dodge and Fond du Lac Cos., WI (h)	2008	59	9
Total Wind		328	50
Prairie du Sac Hydro Plant (8 Units); Prairie due Sac, WI	1914-1940	33	12
Kilbourn Hydro Plant (4 Units); Wisconsin Dells, WI	1926-1939	10	6
Total Hydro		43	18
Total capacity		2,826	2,129


(a)	Based on the accredited generating capacity of the EGUs as of December 31, 2019 included in MISO’s resource adequacy process for the planning period from June 2019 through May 2020.


(b)	Represents IPL’s 48% ownership interest in this 726 MW (nameplate capacity) / 667 MW (generating capacity) EGU, which is operated by IPL.


(c)	Represents IPL’s 25.695% ownership interest in this 696 MW (nameplate capacity) / 608 MW (generating capacity) EGU, which is operated by MidAmerican Energy Company.


(d)	Represents IPL’s 28% ownership interest in this 584 MW (nameplate capacity) / 488 MW (generating capacity) EGU, which is operated by MidAmerican Energy Company.


(e)	Represents IPL’s 4% ownership interest in this 812 MW (nameplate capacity) / 713 MW (generating capacity) EGU, which is operated by MidAmerican Energy Company.



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(f)	Represents Units 2 and 3, which WPL owns. WPL also operates, but does not own, South Fond du Lac Combustion Turbines Units 1 and 4.


(g)	Represents WPL’s 53.3% ownership interest in this 1,112 MW (nameplate capacity) / 1,053 MW (generating capacity) EGU, which is operated by WPL.


(h)	Represents WPL’s 42.64% ownership interest in this 138 MW (nameplate capacity) / 20 MW (generating capacity) EGU, which is operated by Invenergy Services, LLC.

IPL and WPL own overhead electric distribution line, underground electric distribution cable and substation distribution transformers, substantially all of which are located in Iowa for IPL and Wisconsin for WPL.

Gas - IPL’s and WPL’s gas properties consist primarily of mains and services, meters, regulating and gate stations and other related transmission and distribution equipment. IPL’s and WPL’s gas distribution facilities include gas mains located in Iowa and Wisconsin, respectively.

Other - IPL’s other property includes steam service assets. Refer to Note 10 for information regarding WPL’s lease of the Sheboygan Falls Energy Facility from AEF’s Non-utility Generation business.

Corporate Services - Corporate Services’ property included in “Property, plant and equipment, net” on Alliant Energy’s balance sheet at December 31, 2019 consisted primarily of a customer billing and information system for IPL and WPL and other computer software, and the corporate headquarters building located in Madison, Wisconsin.

AEF - AEF’s principal properties included in “Property, plant and equipment, net” on Alliant Energy’s balance sheet at December 31, 2019 were as follows:

Non-utility Generation - Includes the Sheboygan Falls Energy Facility, a 347 MW, simple-cycle, natural gas-fired facility near Sheboygan Falls, Wisconsin that was placed in service in 2005 and is leased to WPL. The Sheboygan Falls Energy Facility was accredited with 293 MW of generating capacity for MISO’s resource adequacy process for the planning period from June 2019 through May 2020.

Transportation - Includes a short-line railway in Iowa and a barge terminal on the Mississippi River.

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