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    Utilities

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    Regulated Electric
Ameren Illinois Company

Ameren Illinois Company

AILLO
Ameren Illinois CompanyUS flagOther OTC
68.25
USD
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- -
30.99BMarket Cap
Ameren Illinois Company
AILLO
(Other OTC)

Recent

price

68.25

P/E

ratio

- -

div

yld

- -

ROIC.AI

2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
TTM
FRC
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Revenue per Share
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Basic EPS, GAAP
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Free Cash Flow per Basic Share
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Dividend per Share
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Book Value per Share
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Tangible Book Value per Share
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Basic Weighted Avg Shares
3,014
2,787
2,525
2,311
2,498
2,466
2,489
2,527
2,576
2,527
2,535
2,895
3,756
3,482
3,472
3,844
3,649
Sales/Revenue/Turnover
16.52
16.43
14.93
17.96
18.01
18.9
20.85
22.52
19.88
21.76
23.75
23.07
20.39
24.87
26.18
26.38
26.31
Operating Margin (%)
201
206
214
238
259
292
318
341
375
405
434
471
514
557
619
652
632
Depreciation Expense
252
196
144
163
204
217
255
271
307
346
382
427
515
609
622
737
656
Net Income, GAAP
39.26
39.32
39.5
40.29
41.21
36.92
38.26
37.99
24.2
24.12
24.51
25.09
25.79
25.55
23.68
17.19
23.63
Effective Tax Rate (%)
8.36
7.03
5.7
7.05
8.17
8.8
10.25
10.72
11.92
13.69
15.07
14.75
13.71
17.49
17.91
19.17
17.98
Profit Margin (%)
423
159
-48
-138
-16
8
-288
-686
-120
-230
-169
-410
-235
-386
-208
103
-112
Working Capital
1,657
1,657
1,577
1,856
2,224
2,342
2,338
2,373
3,296
3,575
3,946
3,992
4,735
5,232
5,552
6,259
5,900
LT Debt
2,576
2,452
2,401
2,448
2,661
2,897
3,034
3,310
3,774
4,132
4,966
5,640
6,168
6,825
7,371
7,843
7,669
Total Equity
6.5
6.53
5.52
5.81
5.69
5.71
5.8
5.94
5.81
5.6
5.46
5.26
5.32
5.42
5.36
6.12
5.48
Return on Invested Capital (%)
13.34
12.27
10.33
10.9
10.13
9.51
9.72
9.17
9.17
8.68
8.42
8.15
8.22
8.51
8.13
8.92
8.18
Return on Capital (%)
39.65
40.63
36.72
41.56
39.37
29.81
28.12
24.34
21.92
20.05
18.34
17.24
17.49
17.48
15.46
16.33
15.15
Return on Common Equity (%)

Capital Structure

FRC

•

in mil. unless spec.
Dec'24
Mar'25
Jun'25
ST Debt
425
189
245
LT Borrowings
5,552
5,900
5,900
LT Finance Leases
- -
- -
- -
Preferred Equity and Hybrid Capital
49
49
49
Shares Outstanding
25
25
25
Market Capitalization
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- -
- -

Working Capital

FRC

•

in mil. unless spec.
Dec'24
Mar'25
Jun'25
Total Current Assets
1,110
1,058
1,052
Cash, Cash Equivalents & STI
- -
4
1
Accounts Receivable, Net
315
437
341
Inventories
244
193
236
Total Current Liabilities
1,318
1,045
1,164
Payables & Accruals
457
421
487
ST Debt
425
189
245
Deferred Revenue
185
187
204

Growth Rates

FRC

•

in mil. unless spec.

(avg. rate of change)

10 years
5 years
1 year
Total Equity
10.55%
9.6%
6.4%
Free Cash Flow
9.92%
18.94%
9.42%
Net Income, GAAP
13.14%
14.25%
18.49%
Sales/Revenue/Turnover
4.99%
9.41%
10.71%
Total Cash Common Dividend
- -
- -
140.91%

Quarterly Revenue

FRC

•

in mil. unless spec.

Year

Q1
Q2
Q3
Q4
FY
2024
1,000
766
793
913
3,472
2025
1,100
843
955
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3,844
2026
1,199
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- -

Quarterly Earnings Per Share

FRC

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in mil. unless spec.

Year

Q1
Q2
Q3
Q4
FY
2024
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2025
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2026
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Quarterly Dividends Per Share

FRC

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in mil. unless spec.

Year

Q1
Q2
Q3
Q4
FY
2024
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2025
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2026
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Business
Ameren Illinois Company (AILLO), a subsidiary of Ameren Corporation, operates as a rate-regulated utility providing electric transmission and distribution services along with natural gas distribution to approximately 1.2 million electric customers and over 800,000 natural gas customers across central and southern Illinois, including more than 1,200 communities. The company delivers core services through its Ameren Illinois Electric Distribution, Ameren Illinois Natural Gas, and Ameren Illinois Transmission segments; offers energy efficiency incentives and programs covering lighting, heating, cooling, ventilation, water-saving devices, specialty equipment for industrial, commercial, agricultural, hospitality, data center, and food service applications, weatherization measures, and technical assistance such as retro-commissioning, monitoring-based commissioning, strategic energy management, and process energy advising. Founded in 1902 and headquartered in Collinsville, Illinois, the company, formerly known as Central Illinois Public Service Company until its name change in October 2010, focuses on residential, commercial, and industrial customers in the multi-utility sector. In August 2025, Ameren Illinois received approval from the Illinois Commerce Commission for a $1.6 billion transmission project to construct and upgrade 380 miles of power lines, build three new substations, and enhance existing ones across 13 counties, with construction starting later in 2025 and completion targeted for 2029 to improve energy reliability and accessibility.