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Item 2. PROPERTIES

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Item 2. PROPERTIES

For information on our principal properties, see the energy center and in-service utility-related properties tables below. See also Liquidity and Capital Resources and Regulatory Matters in Management’s Discussion and Analysis of Financial Condition and Results of Operations under Part II, Item 7, of this report for a discussion of planned additions. See also Note 5 – Long-term Debt and Equity Financings and Note 14 – Commitments and Contingencies under Part II, Item 8, of this report.

The following table shows the anticipated capability of Ameren Missouri’s energy centers at the time of Ameren Missouri’s expected 2022 peak summer electrical demand for all energy centers owned as of December 31, 2021:

Primary Fuel SourceEnergy CenterLocationNet Kilowatt Capability**(a)**
CoalLabadie(b)Franklin County, Missouri2,372,000
Rush Island(c)Jefferson County, Missouri1,178,000
Sioux(d)St. Charles County, Missouri972,000
Meramec(d)St. Louis County, Missouri510,000
Total coal5,032,000
NuclearCallaway(e)Callaway County, Missouri1,194,000
HydroelectricOsage(e)Lakeside, Missouri235,000
KeokukKeokuk, Iowa148,000
Total hydroelectric383,000
Pumped-storageTaum Sauk(e)Reynolds County, Missouri440,000
WindHigh Prairie RenewableAdair and Schuyler Counties, Missouri400,000
Atchison RenewableAtchison County, Missouri298,800
Total wind698,800
Natural gasAudrain(f)Audrain County, Missouri616,000
Venice(g)Venice, Illinois489,000
Goose Creek(g)Piatt County, Illinois444,000
Pinckneyville(g)Pinckneyville, Illinois316,000
Raccoon Creek(g)Clay County, Illinois308,000
Meramec(d)St. Louis County, Missouri226,000
Kinmundy(g)Kinmundy, Illinois210,000
Peno Creek(f)Bowling Green, Missouri172,000
Total natural gas2,781,000
Oil (CTs)Fairgrounds(d)Jefferson City, Missouri55,000
Mexico(d)Mexico, Missouri55,000
Moberly(d)Moberly, Missouri55,000
Moreau(d)Jefferson City, Missouri55,000
Total oil220,000
Methane gas (CT)Maryland HeightsMaryland Heights, Missouri9,000
SolarO’FallonO’Fallon, Missouri4,500
LambertSt. Louis County, Missouri900
BJCSt. Louis, Missouri1,600
South St. LouisSt. Louis, Missouri200
Total solar7,200
Total Ameren and Ameren Missouri10,765,000

(a)Net kilowatt capability, except for wind and solar generating facilities, is the generating capacity available for dispatch from the energy center into the electric transmission grid. Capability for wind and solar generating facilities represents nameplate capacity. This capacity is only attainable when wind/solar conditions are sufficiently available. The on-demand capability for wind and solar units is zero.

(b)The Labadie Energy Center is scheduled to retire 1,186,000 kilowatts by 2036 and 1,186,000 kilowatts by 2042.

(c)The Rush Island Energy Center was scheduled to retire by 2039 as noted in the 2020 IRP. However, changes to the retirement date are subject to a final judgment to be issued by the United States District Court for the Eastern District of Missouri regarding a September 2019 remedy order. For additional information, see Note 14 – Commitments and Contingencies under Part II, Item 8, of this report.

(d)The Sioux and Meramec energy centers are scheduled to retire by 2028 and 2022, respectively. The Fairgrounds, Mexico, Moberly, and Moreau energy centers are scheduled to be retired by 2026 as noted in the 2020 IRP.

(e)The operating licenses for the Callaway, Osage, and Taum Sauk energy centers expire in 2044, 2047, and 2044, respectively.

(f)There are economic development arrangements applicable to these CTs, as discussed below.

(g)See Illinois Emissions Standards in Note 14 – Commitments and Contingencies under Part II, Item 8, of this report.

Table of Contents

The following table presents in-service electric and natural gas utility-related properties for Ameren Missouri and Ameren Illinois as of December 31, 2021:

Ameren MissouriAmeren Illinois
Circuit miles of electric transmission lines(a)3,1094,659
Circuit miles of electric distribution lines33,65645,890
Percentage of circuit miles of electric distribution lines underground24%16%
Miles of natural gas transmission and distribution mains3,48018,620
Underground natural gas storage fields—12
Total working capacity of underground natural gas storage fields in billion cubic feet—24

(a)ATXI owns 545 miles of transmission lines not reflected in this table.

Our other properties include office buildings, warehouses, garages, and repair shops.

With only a few exceptions, we have fee title to all principal energy centers and other units of property material to the operation of our businesses, and to the real property on which such facilities are located (subject to mortgage liens securing our outstanding first mortgage bonds and to certain permitted liens and judgment liens). The exceptions are as follows:

  • Certain property is situated on lands occupied under leases, easements, franchises, licenses, or permits. That property includes a portion of Ameren Missouri’s Osage Energy Center reservoir; certain facilities at Ameren Missouri’s Sioux Energy Center; most of Ameren Missouri’s High Prairie Renewable, Atchison Renewable, Peno Creek CT and Audrain CT energy centers; Ameren Missouri’s Maryland Heights, Lambert, and BJC energy centers; certain substations; and most transmission and distribution lines and natural gas mains. The United States or the state of Missouri may own or may have paramount rights with respect to certain lands lying in the bed of the Osage River or located between the inner and outer harbor lines of the Mississippi River on which certain of Ameren Missouri’s energy centers and other properties are located.

  • The United States, the state of Illinois, the state of Iowa, or the city of Keokuk, Iowa, may own or may have paramount rights with respect to certain lands lying in the bed of the Mississippi River on which a portion of Ameren Missouri’s Keokuk Energy Center is located.

Substantially all of the properties and plant of Ameren Missouri and Ameren Illinois are subject to the liens of the indentures securing their mortgage bonds.

Ameren Missouri has conveyed most of its Peno Creek CT Energy Center to the city of Bowling Green, Missouri through December 2022. Ameren Missouri has rights and obligations as the operator of the energy center under a long-term agreement with the city of Bowling Green. Under the terms of this agreement, Ameren Missouri is responsible for all operation and maintenance for the energy center. Ownership of the energy center will transfer to Ameren Missouri at the expiration of the agreement, at which time the property, plant, and equipment will become subject to the lien of the Ameren Missouri mortgage bond indenture.

Ameren Missouri operates a CT energy center located in Audrain County, Missouri. Ameren Missouri has rights and obligations as the operator of the energy center under a long-term agreement with Audrain County. Under the terms of this agreement, Ameren Missouri is responsible for all operation and maintenance for the energy center. The agreement will expire in December 2023. Ownership of the energy center will transfer to Ameren Missouri at the expiration of the agreement, at which time the property, plant, and equipment will become subject to the lien of the Ameren Missouri mortgage bond indenture.

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