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Ameren Illinois Co

EDGAR

AILIH Report (type unavailable) · filed 2026-08-03

136 filing records in this dataset, filed from 1994-03-16 to 2026-08-03. Explore the available filing history and original sources.

Inspect reported changes Compare with another company Historical disclosures Search filings Segments

Watchlist

Latest quarter

Revenue

2.27 billion USD

2011-09-30 · USD

Exact inputs and evidence

Revenue: 2268000000 USD Source

Operating margin

24.25%

2011-09-30 · %

Exact inputs and evidence

Operating Income: 550000000 USD Source
Revenue: 2268000000 USD Source

Operating cash flow

663 million USD

2011-09-30 · USD

Exact inputs and evidence

Operating Cash Flow: 1566000000 USD Source
Operating Cash Flow: 903000000 USD Source

Free cash flow

412 million USD

2011-09-30 · USD

Exact inputs and evidence

Operating Cash Flow: 1566000000 USD Source
Operating Cash Flow: 903000000 USD Source
Capital Expenditure: 758000000 USD Source
Capital Expenditure: 507000000 USD Source

Cash and cash equivalents: 522 million USD 2011-09-30 Source
Exact value

522000000 USD
Long-term debt including current maturities: Not available
Shares outstanding: Not available

Includes later revisions to earlier periods. Annual charts exclude incomplete years.

Latest filing recorded: 2026-08-03.

Financial data available through: 2010-12-31.

Financial coverage is incomplete. Newer filings are recorded, but comparable financial figures for those periods are not available here yet.

Coverage by financial measure

Revenue: 11 of 11 periods available· newest 2010-12-31
Operating income: 11 of 11 periods available· newest 2010-12-31
Net income: 11 of 11 periods available· newest 2010-12-31
Operating cash flow: 9 of 11 periods available· newest 2010-12-31
Capital expenditure: 6 of 11 periods available· newest 2010-12-31
Total assets: 9 of 11 periods available· newest 2010-12-31
liabilities: No compatible figures in this window
Current assets: 9 of 11 periods available· newest 2010-12-31
Current liabilities: 9 of 11 periods available· newest 2010-12-31
Cash and cash equivalents: 11 of 11 periods available· newest 2010-12-31
long term debt: No compatible figures in this window
shares outstanding: No compatible figures in this window

Coverage describes values retained in this snapshot. Missing values are not zero; loading limits are reported separately.

What changed year over year

Latest complete year compared with the corresponding period one year earlier. These are measured changes; they do not establish their business causes.

Revenue
+7%

Prior period

USD 7.14 billion

2009-01-01 – 2009-12-31
Current period

USD 7.64 billion

2010-01-01 – 2010-12-31

Exact inputs and evidence

7638000000 − 7135000000 = 503000000 USD

7135000000 USD · 2009-01-01 – 2009-12-31
Inspect prior input Prior source
7638000000 USD · 2010-01-01 – 2010-12-31
Inspect current input Current source

Share or cite

Citation for Year-over-year change in Revenue · Ameren Illinois Co · 2010-12-31 Ameren Illinois Co (edgar:18654) Year-over-year change in Revenue: 503000000 USD Concept: fundies:Revenue Period: 2010-01-01 to 2010-12-31 Values: Latest reported Published: 2026-11-02T19:27:16Z Snapshot: e15a8cffa2ee31d31f81202061f48ad6a7ecb3c0e661b33b82ede841f7148163 Dimensions: Consolidated View: https://fundies.io/companies/edgar/18654?view=overview&cadence=annual&surface=latest#period-changes-title Computed: Current period minus corresponding prior-year period Input fundies:Revenue: 7638000000 USD (2010-01-01 to 2010-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1002910/0001193125-11-044880.txt#19078 Input fundies:Revenue: 7135000000 USD (2009-01-01 to 2009-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1002910/0001193125-11-044880.txt#19078
The citation records this snapshot. The page link may show a newer release later.
Net income
-77.3%

Prior period

USD 612 million

2009-01-01 – 2009-12-31
Current period

USD 139 million

2010-01-01 – 2010-12-31

Exact inputs and evidence

139000000 − 612000000 = -473000000 USD

612000000 USD · 2009-01-01 – 2009-12-31
Inspect prior input Prior source
139000000 USD · 2010-01-01 – 2010-12-31
Inspect current input Current source

Share or cite

Citation for Year-over-year change in Net income · Ameren Illinois Co · 2010-12-31 Ameren Illinois Co (edgar:18654) Year-over-year change in Net income: -473000000 USD Concept: fundies:NetIncome Period: 2010-01-01 to 2010-12-31 Values: Latest reported Published: 2026-11-02T19:27:16Z Snapshot: e15a8cffa2ee31d31f81202061f48ad6a7ecb3c0e661b33b82ede841f7148163 Dimensions: Consolidated View: https://fundies.io/companies/edgar/18654?view=overview&cadence=annual&surface=latest#period-changes-title Computed: Current period minus corresponding prior-year period Input fundies:NetIncome: 139000000 USD (2010-01-01 to 2010-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1002910/0001193125-11-044880.txt#19510 Input fundies:NetIncome: 612000000 USD (2009-01-01 to 2009-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1002910/0001193125-11-044880.txt#19510
The citation records this snapshot. The page link may show a newer release later.
Operating cash flow
-6.8%

Prior period

USD 1.98 billion

2009-01-01 – 2009-12-31
Current period

USD 1.84 billion

2010-01-01 – 2010-12-31

Exact inputs and evidence

1842000000 − 1977000000 = -135000000 USD

1977000000 USD · 2009-01-01 – 2009-12-31
Inspect prior input Prior source
1842000000 USD · 2010-01-01 – 2010-12-31
Inspect current input Current source

Share or cite

Citation for Year-over-year change in Operating cash flow · Ameren Illinois Co · 2010-12-31 Ameren Illinois Co (edgar:18654) Year-over-year change in Operating cash flow: -135000000 USD Concept: fundies:OperatingCashFlow Period: 2010-01-01 to 2010-12-31 Values: Latest reported Published: 2026-11-02T19:27:16Z Snapshot: e15a8cffa2ee31d31f81202061f48ad6a7ecb3c0e661b33b82ede841f7148163 Dimensions: Consolidated View: https://fundies.io/companies/edgar/18654?view=overview&cadence=annual&surface=latest#period-changes-title Computed: Current period minus corresponding prior-year period Input fundies:OperatingCashFlow: 1842000000 USD (2010-01-01 to 2010-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1002910/0001193125-11-044880.txt#20635 Input fundies:OperatingCashFlow: 1977000000 USD (2009-01-01 to 2009-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1002910/0001193125-11-044880.txt#20635
The citation records this snapshot. The page link may show a newer release later.
Capital expenditure
-39.5%

Prior period

USD 1.7 billion

2009-01-01 – 2009-12-31
Current period

USD 1.03 billion

2010-01-01 – 2010-12-31

Exact inputs and evidence

1031000000 − 1704000000 = -673000000 USD

1704000000 USD · 2009-01-01 – 2009-12-31
Inspect prior input Prior source
1031000000 USD · 2010-01-01 – 2010-12-31
Inspect current input Current source

Share or cite

Citation for Year-over-year change in Capital expenditure · Ameren Illinois Co · 2010-12-31 Ameren Illinois Co (edgar:18654) Year-over-year change in Capital expenditure: -673000000 USD Concept: fundies:CapitalExpenditure Period: 2010-01-01 to 2010-12-31 Values: Latest reported Published: 2026-11-02T19:27:16Z Snapshot: e15a8cffa2ee31d31f81202061f48ad6a7ecb3c0e661b33b82ede841f7148163 Dimensions: Consolidated View: https://fundies.io/companies/edgar/18654?view=overview&cadence=annual&surface=latest#period-changes-title Computed: Current period minus corresponding prior-year period Input fundies:CapitalExpenditure: 1031000000 USD (2010-01-01 to 2010-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1002910/0001193125-11-044880.txt#20677 Input fundies:CapitalExpenditure: 1704000000 USD (2009-01-01 to 2009-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1002910/0001193125-11-044880.txt#20677
The citation records this snapshot. The page link may show a newer release later.

Where revenue goes

How a period’s revenue divides into costs and what remains as profit. Items marked Derived are calculated by subtraction from reported figures.

2010 2010-01-01 – 2010-12-31

Revenue USD 7.64 billion 100% of revenue
Operating costs Derived USD 6.72 billion 88% of revenue
Operating income USD 916 million 12% of revenue
Tax, interest and other Derived USD 777 million 10% of revenue
Net income USD 139 million 1.8% of revenue

Cash

Operating cash flow USD 1.84 billion 24% of revenue
Capital expenditure USD 1.03 billion 13% of revenue
Free cash flow Derived USD 811 million 11% of revenue

Share of revenue by period

Net income
Tax, interest and other
Operating costs

2001 94%
2001 Net income was higher than operating income, so the split is not drawn.
2001 Net income was higher than operating income, so the split is not drawn.
2002 94%
2004 10%11%79%
2005 10%81%
2006 9.1%83%
2008 9.6%83%
2009 11%80%
2010 10%88%

Values and sources

Revenue breakdown by annual reporting period
Period	Revenue	Operating costs	Operating income	Tax, interest and other	Net income	Free cash flow	Source
2001 2000-07-01 – 2001-06-30	874543000	820330000 Derived	54213000	273000 Derived	53940000	Unavailable	Source 2000-07-01 – 2001-06-30: 874543000 USD Inspect Revenue Open source 2000-07-01 – 2001-06-30: 54213000 USD Inspect Operating Income Open source 2000-07-01 – 2001-06-30: 53940000 USD Inspect Net Income Open source
2001 2000-10-01 – 2001-09-30	884562000	837365000 Derived	47197000	-170000 Derived	47367000	Unavailable	Source 2000-10-01 – 2001-09-30: 884562000 USD Inspect Revenue Open source 2000-10-01 – 2001-09-30: 47197000 USD Inspect Operating Income Open source 2000-10-01 – 2001-09-30: 47367000 USD Inspect Net Income Open source
2001 2001-01-01 – 2001-12-31	840000000	797000000 Derived	43000000	-3000000 Derived	46000000	Unavailable	Source 2001-01-01 – 2001-12-31: 840000000 USD Inspect Revenue Open source 2001-01-01 – 2001-12-31: 43000000 USD Inspect Operating Income Open source 2001-01-01 – 2001-12-31: 46000000 USD Inspect Net Income Open source 2001-01-01 – 2001-12-31: 120000000 USD Inspect Operating Cash Flow Open source
2002 2002-01-01 – 2002-12-31	824000000	777000000 Derived	47000000	21000000 Derived	26000000	Unavailable	Source 2002-01-01 – 2002-12-31: 824000000 USD Inspect Revenue Open source 2002-01-01 – 2002-12-31: 47000000 USD Inspect Operating Income Open source 2002-01-01 – 2002-12-31: 26000000 USD Inspect Net Income Open source 2002-01-01 – 2002-12-31: 96000000 USD Inspect Operating Cash Flow Open source
2004 2004-01-01 – 2004-12-31	5135000000	4057000000 Derived	1078000000	548000000 Derived	530000000	316000000 Derived	Source 2004-01-01 – 2004-12-31: 5135000000 USD Inspect Revenue Open source 2004-01-01 – 2004-12-31: 1078000000 USD Inspect Operating Income Open source 2004-01-01 – 2004-12-31: 530000000 USD Inspect Net Income Open source 2004-01-01 – 2004-12-31: 1112000000 USD Inspect Operating Cash Flow Open source 2004-01-01 – 2004-12-31: 796000000 USD Inspect Capital Expenditure Open source
2005 2005-01-01 – 2005-12-31	6780000000	5496000000 Derived	1284000000	678000000 Derived	606000000	316000000 Derived	Source 2005-01-01 – 2005-12-31: 6780000000 USD Inspect Revenue Open source 2005-01-01 – 2005-12-31: 1284000000 USD Inspect Operating Income Open source 2005-01-01 – 2005-12-31: 606000000 USD Inspect Net Income Open source 2005-01-01 – 2005-12-31: 1251000000 USD Inspect Operating Cash Flow Open source 2005-01-01 – 2005-12-31: 935000000 USD Inspect Capital Expenditure Open source
2006 2006-01-01 – 2006-12-31	6880000000	5707000000 Derived	1173000000	626000000 Derived	547000000	287000000 Derived	Source 2006-01-01 – 2006-12-31: 6880000000 USD Inspect Revenue Open source 2006-01-01 – 2006-12-31: 1173000000 USD Inspect Operating Income Open source 2006-01-01 – 2006-12-31: 547000000 USD Inspect Net Income Open source 2006-01-01 – 2006-12-31: 1279000000 USD Inspect Operating Cash Flow Open source 2006-01-01 – 2006-12-31: 992000000 USD Inspect Capital Expenditure Open source
2008 2008-01-01 – 2008-12-31	7869000000	6507000000 Derived	1362000000	757000000 Derived	605000000	-372000000 Derived	Source 2008-01-01 – 2008-12-31: 7869000000 USD Inspect Revenue Open source 2008-01-01 – 2008-12-31: 1362000000 USD Inspect Operating Income Open source 2008-01-01 – 2008-12-31: 605000000 USD Inspect Net Income Open source 2008-01-01 – 2008-12-31: 1524000000 USD Inspect Operating Cash Flow Open source 2008-01-01 – 2008-12-31: 1896000000 USD Inspect Capital Expenditure Open source
2009 2009-01-01 – 2009-12-31	7135000000	5719000000 Derived	1416000000	804000000 Derived	612000000	273000000 Derived	Source 2009-01-01 – 2009-12-31: 7135000000 USD Inspect Revenue Open source 2009-01-01 – 2009-12-31: 1416000000 USD Inspect Operating Income Open source 2009-01-01 – 2009-12-31: 612000000 USD Inspect Net Income Open source 2009-01-01 – 2009-12-31: 1977000000 USD Inspect Operating Cash Flow Open source 2009-01-01 – 2009-12-31: 1704000000 USD Inspect Capital Expenditure Open source
2010 2010-01-01 – 2010-12-31	7638000000	6722000000 Derived	916000000	777000000 Derived	139000000	811000000 Derived	Source 2010-01-01 – 2010-12-31: 7638000000 USD Inspect Revenue Open source 2010-01-01 – 2010-12-31: 916000000 USD Inspect Operating Income Open source 2010-01-01 – 2010-12-31: 139000000 USD Inspect Net Income Open source 2010-01-01 – 2010-12-31: 1842000000 USD Inspect Operating Cash Flow Open source 2010-01-01 – 2010-12-31: 1031000000 USD Inspect Capital Expenditure Open source

Amounts are exact, in USD.

Growth

Sales over time and how quickly they are changing.

Revenue

Revenue reported for each complete financial period.

USD 7.6B 2010

Values and sources

Revenue values and source evidence
Period	Series	Value(USD)	Source evidence
20012001-06-30	Revenue	874543000	Revenue: 874543000 Open source
20012001-09-30	Revenue	884562000	Revenue: 884562000 Open source
20012001-12-31	Revenue	840000000	Revenue: 840000000 Open source
20022002-12-31	Revenue	824000000	Revenue: 824000000 Open source
20042004-12-31	Revenue	5135000000	Revenue: 5135000000 Open source
20052005-12-31	Revenue	6780000000	Revenue: 6780000000 Open source
20062006-12-31	Revenue	6880000000	Revenue: 6880000000 Open source
20082008-12-31	Revenue	7869000000	Revenue: 7869000000 Open source
20092009-12-31	Revenue	7135000000	Revenue: 7135000000 Open source
20102010-12-31	Revenue	7638000000	Revenue: 7638000000 Open source

Revenue growth

Change in revenue from the same financial period one year earlier.

7% 2010

Values and sources

Revenue growth values and source evidence
Period	Series	Value	Source evidence
20012001-06-30	Year over year	No prior comparable period	Revenue: 874543000 Open source
20012001-09-30	Year over year	No prior comparable period	Revenue: 884562000 Open source
20012001-12-31	Year over year	No prior comparable period	Revenue: 840000000 Open source
20022002-12-31	Year over year	-1.9%	Revenue: 824000000 Open source Revenue: 840000000 Open source
20042004-12-31	Year over year	No prior comparable period	Revenue: 5135000000 Open source
20052005-12-31	Year over year	32%	Revenue: 6780000000 Open source Revenue: 5135000000 Open source
20062006-12-31	Year over year	1.5%	Revenue: 6880000000 Open source Revenue: 6780000000 Open source
20082008-12-31	Year over year	No prior comparable period	Revenue: 7869000000 Open source
20092009-12-31	Year over year	-9.3%	Revenue: 7135000000 Open source Revenue: 7869000000 Open source
20102010-12-31	Year over year	7%	Revenue: 7638000000 Open source Revenue: 7135000000 Open source

Profit and cash

How much revenue becomes profit, and how much cash operations generate.

Profit margins

Operating income, net income and free cash flow as a share of revenue.

Operating margin 12% 2010

Net margin 1.8% 2010

Free cash flow margin 10.6% 2010

Operating margin
Net margin
Free cash flow margin

Values and sources

Profit margins values and source evidence
Period	Series	Value	Source evidence
20012001-06-30	Operating margin	6.2%	Operating Income: 54213000 Open source Revenue: 874543000 Open source
20012001-09-30	Operating margin	5.3%	Operating Income: 47197000 Open source Revenue: 884562000 Open source
20012001-12-31	Operating margin	5.1%	Operating Income: 43000000 Open source Revenue: 840000000 Open source
20022002-12-31	Operating margin	5.7%	Operating Income: 47000000 Open source Revenue: 824000000 Open source
20042004-12-31	Operating margin	21%	Operating Income: 1078000000 Open source Revenue: 5135000000 Open source
20052005-12-31	Operating margin	18.9%	Operating Income: 1284000000 Open source Revenue: 6780000000 Open source
20062006-12-31	Operating margin	17%	Operating Income: 1173000000 Open source Revenue: 6880000000 Open source
20082008-12-31	Operating margin	17.3%	Operating Income: 1362000000 Open source Revenue: 7869000000 Open source
20092009-12-31	Operating margin	19.8%	Operating Income: 1416000000 Open source Revenue: 7135000000 Open source
20102010-12-31	Operating margin	12%	Operating Income: 916000000 Open source Revenue: 7638000000 Open source
20012001-06-30	Net margin	6.2%	Net Income: 53940000 Open source Revenue: 874543000 Open source
20012001-09-30	Net margin	5.4%	Net Income: 47367000 Open source Revenue: 884562000 Open source
20012001-12-31	Net margin	5.5%	Net Income: 46000000 Open source Revenue: 840000000 Open source
20022002-12-31	Net margin	3.2%	Net Income: 26000000 Open source Revenue: 824000000 Open source
20042004-12-31	Net margin	10.3%	Net Income: 530000000 Open source Revenue: 5135000000 Open source
20052005-12-31	Net margin	8.9%	Net Income: 606000000 Open source Revenue: 6780000000 Open source
20062006-12-31	Net margin	8%	Net Income: 547000000 Open source Revenue: 6880000000 Open source
20082008-12-31	Net margin	7.7%	Net Income: 605000000 Open source Revenue: 7869000000 Open source
20092009-12-31	Net margin	8.6%	Net Income: 612000000 Open source Revenue: 7135000000 Open source
20102010-12-31	Net margin	1.8%	Net Income: 139000000 Open source Revenue: 7638000000 Open source
20012001-06-30	Free cash flow margin	Not reported	Revenue: 874543000 Open source
20012001-09-30	Free cash flow margin	Not reported	Revenue: 884562000 Open source
20012001-12-31	Free cash flow margin	Not reported	Revenue: 840000000 Open source Operating Cash Flow: 120000000 Open source
20022002-12-31	Free cash flow margin	Not reported	Revenue: 824000000 Open source Operating Cash Flow: 96000000 Open source
20042004-12-31	Free cash flow margin	6.2%	Revenue: 5135000000 Open source Operating Cash Flow: 1112000000 Open source Capital Expenditure: 796000000 Open source
20052005-12-31	Free cash flow margin	4.7%	Revenue: 6780000000 Open source Operating Cash Flow: 1251000000 Open source Capital Expenditure: 935000000 Open source
20062006-12-31	Free cash flow margin	4.2%	Revenue: 6880000000 Open source Operating Cash Flow: 1279000000 Open source Capital Expenditure: 992000000 Open source
20082008-12-31	Free cash flow margin	-4.7%	Revenue: 7869000000 Open source Operating Cash Flow: 1524000000 Open source Capital Expenditure: 1896000000 Open source
20092009-12-31	Free cash flow margin	3.8%	Revenue: 7135000000 Open source Operating Cash Flow: 1977000000 Open source Capital Expenditure: 1704000000 Open source
20102010-12-31	Free cash flow margin	10.6%	Revenue: 7638000000 Open source Operating Cash Flow: 1842000000 Open source Capital Expenditure: 1031000000 Open source

Operating cash flow

Cash generated by the company’s normal business operations.

USD 1.8B 2010

Values and sources

Operating cash flow values and source evidence
Period	Series	Value(USD)	Source evidence
20012001-06-30	Operating cash flow	Not reported	No source recorded
20012001-09-30	Operating cash flow	Not reported	No source recorded
20012001-12-31	Operating cash flow	120000000	Operating Cash Flow: 120000000 Open source
20022002-12-31	Operating cash flow	96000000	Operating Cash Flow: 96000000 Open source
20042004-12-31	Operating cash flow	1112000000	Operating Cash Flow: 1112000000 Open source
20052005-12-31	Operating cash flow	1251000000	Operating Cash Flow: 1251000000 Open source
20062006-12-31	Operating cash flow	1279000000	Operating Cash Flow: 1279000000 Open source
20082008-12-31	Operating cash flow	1524000000	Operating Cash Flow: 1524000000 Open source
20092009-12-31	Operating cash flow	1977000000	Operating Cash Flow: 1977000000 Open source
20102010-12-31	Operating cash flow	1842000000	Operating Cash Flow: 1842000000 Open source

Free cash flow

Operating cash flow minus capital expenditure for the same period and unit.

USD 811M 2010

Values and sources

Free cash flow values and source evidence
Period	Series	Value(USD)	Source evidence
20012001-06-30	Free cash flow	Unavailable	No source recorded
20012001-09-30	Free cash flow	Unavailable	No source recorded
20012001-12-31	Free cash flow	Unavailable	Operating Cash Flow: 120000000 Open source
20022002-12-31	Free cash flow	Unavailable	Operating Cash Flow: 96000000 Open source
20042004-12-31	Free cash flow	316000000	Operating Cash Flow: 1112000000 Open source Capital Expenditure: 796000000 Open source
20052005-12-31	Free cash flow	316000000	Operating Cash Flow: 1251000000 Open source Capital Expenditure: 935000000 Open source
20062006-12-31	Free cash flow	287000000	Operating Cash Flow: 1279000000 Open source Capital Expenditure: 992000000 Open source
20082008-12-31	Free cash flow	-372000000	Operating Cash Flow: 1524000000 Open source Capital Expenditure: 1896000000 Open source
20092009-12-31	Free cash flow	273000000	Operating Cash Flow: 1977000000 Open source Capital Expenditure: 1704000000 Open source
20102010-12-31	Free cash flow	811000000	Operating Cash Flow: 1842000000 Open source Capital Expenditure: 1031000000 Open source

Balance sheet

Liabilities and short-term ability to meet obligations at each period end.

Liabilities to assets

Total liabilities as a share of total assets.

Not enough comparable data to show this history.

Values and sources

Liabilities to assets values and source evidence
Period	Series	Value	Source evidence
2001-06-30	Liabilities / assets	Not reported	Total Assets: 1810310000 Open source
2001-09-30	Liabilities / assets	Not reported	Total Assets: 1813686000 Open source
2001-12-31	Liabilities / assets	Not reported	Total Assets: 1783000000 Open source
2002-12-31	Liabilities / assets	Not reported	Total Assets: 1697000000 Open source
2004-12-31	Liabilities / assets	Not reported	No source recorded
2005-12-31	Liabilities / assets	Not reported	Total Assets: 18171000000 Open source
2006-12-31	Liabilities / assets	Not reported	Total Assets: 19578000000 Open source
2008-12-31	Liabilities / assets	Not reported	No source recorded
2009-12-31	Liabilities / assets	Not reported	Total Assets: 23702000000 Open source
2010-12-31	Liabilities / assets	Not reported	Total Assets: 23515000000 Open source

Current assets to current liabilities

Current assets divided by current liabilities.

1.53× 2010

Values and sources

Current assets to current liabilities values and source evidence
Period	Series	Value	Source evidence
20012001-06-30	Current assets / current liabilities	1.39×	Current Assets: 302880000 Open source Current Liabilities: 217543000 Open source
20012001-09-30	Current assets / current liabilities	1.19×	Current Assets: 309727000 Open source Current Liabilities: 260935000 Open source
20012001-12-31	Current assets / current liabilities	1.43×	Current Assets: 316000000 Open source Current Liabilities: 221000000 Open source
20022002-12-31	Current assets / current liabilities	1.52×	Current Assets: 289000000 Open source Current Liabilities: 190000000 Open source
2004-12-31	Current assets / current liabilities	Not reported	No source recorded
20052005-12-31	Current assets / current liabilities	1.22×	Current Assets: 1818000000 Open source Current Liabilities: 1487000000 Open source
20062006-12-31	Current assets / current liabilities	0.85×	Current Assets: 1874000000 Open source Current Liabilities: 2202000000 Open source
2008-12-31	Current assets / current liabilities	Not reported	No source recorded
20092009-12-31	Current assets / current liabilities	1.66×	Current Assets: 2842000000 Open source Current Liabilities: 1711000000 Open source
20102010-12-31	Current assets / current liabilities	1.53×	Current Assets: 2894000000 Open source Current Liabilities: 1888000000 Open source

Cash generation

Compare reported profit with operating cash and capital spending. Free cash flow is calculated as operating cash flow minus capital expenditure when both exact, consolidated amounts match the same period and unit.

Cash generation by annual reporting period
Period	Net income	Operating cash flow	Capital expenditure	Free cash flow
2001 2000-07-01 – 2001-06-30	USD 53.94 million Exact value Exact value: 53940000 USD 2000-07-01 – 2001-06-30: 53940000 USD Inspect Net Income Open source Share or cite Citation for Net Income · Ameren Illinois Co · 2001-06-30 Ameren Illinois Co (edgar:18654) Net Income: 53940000 USD Concept: fundies:NetIncome Period: 2000-07-01 to 2001-06-30 Values: Latest reported Published: 2026-11-02T19:27:16Z Snapshot: e15a8cffa2ee31d31f81202061f48ad6a7ecb3c0e661b33b82ede841f7148163 Dimensions: Consolidated View: https://fundies.io/companies/edgar/18654/explain?concept=fundies%3ANetIncome&period=2001-06-30&surface=latest&period_type=duration&start=2000-07-01&unit=USD&dimensions= Input fundies:NetIncome: 53940000 USD (2000-07-01 to 2001-06-30) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/18654/0001002910-01-500056.txt#871 The citation records this snapshot. The page link may show a newer release later.	Unavailable Not reported for this period.	Unavailable Not reported for this period.	Unavailable Free cash flow cannot be calculated because Operating cash flow + Capital expenditure is unavailable for this period.
2001 2000-10-01 – 2001-09-30	USD 47.37 million Exact value Exact value: 47367000 USD 2000-10-01 – 2001-09-30: 47367000 USD Inspect Net Income Open source Share or cite Citation for Net Income · Ameren Illinois Co · 2001-09-30 Ameren Illinois Co (edgar:18654) Net Income: 47367000 USD Concept: fundies:NetIncome Period: 2000-10-01 to 2001-09-30 Values: Latest reported Published: 2026-11-02T19:27:16Z Snapshot: e15a8cffa2ee31d31f81202061f48ad6a7ecb3c0e661b33b82ede841f7148163 Dimensions: Consolidated View: https://fundies.io/companies/edgar/18654/explain?concept=fundies%3ANetIncome&period=2001-09-30&surface=latest&period_type=duration&start=2000-10-01&unit=USD&dimensions= Input fundies:NetIncome: 47367000 USD (2000-10-01 to 2001-09-30) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/18654/0000018654-01-500016.txt#883 The citation records this snapshot. The page link may show a newer release later.	Unavailable Not reported for this period.	Unavailable Not reported for this period.	Unavailable Free cash flow cannot be calculated because Operating cash flow + Capital expenditure is unavailable for this period.
2001 2001-01-01 – 2001-12-31	USD 46 million Exact value Exact value: 46000000 USD 2001-01-01 – 2001-12-31: 46000000 USD Inspect Net Income Open source Share or cite Citation for Net Income · Ameren Illinois Co · 2001-12-31 Ameren Illinois Co (edgar:18654) Net Income: 46000000 USD Concept: fundies:NetIncome Period: 2001-01-01 to 2001-12-31 Values: Latest reported Published: 2026-11-02T19:27:16Z Snapshot: e15a8cffa2ee31d31f81202061f48ad6a7ecb3c0e661b33b82ede841f7148163 Dimensions: Consolidated View: https://fundies.io/companies/edgar/18654/explain?concept=fundies%3ANetIncome&period=2001-12-31&surface=latest&period_type=duration&start=2001-01-01&unit=USD&dimensions= Input fundies:NetIncome: 46000000 USD (2001-01-01 to 2001-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/18654/0000018654-03-000003.txt#2135 The citation records this snapshot. The page link may show a newer release later.	USD 120 million Exact value Exact value: 120000000 USD 2001-01-01 – 2001-12-31: 120000000 USD Inspect Operating Cash Flow Open source Share or cite Citation for Operating Cash Flow · Ameren Illinois Co · 2001-12-31 Ameren Illinois Co (edgar:18654) Operating Cash Flow: 120000000 USD Concept: fundies:OperatingCashFlow Period: 2001-01-01 to 2001-12-31 Values: Latest reported Published: 2026-11-02T19:27:16Z Snapshot: e15a8cffa2ee31d31f81202061f48ad6a7ecb3c0e661b33b82ede841f7148163 Dimensions: Consolidated View: https://fundies.io/companies/edgar/18654/explain?concept=fundies%3AOperatingCashFlow&period=2001-12-31&surface=latest&period_type=duration&start=2001-01-01&unit=USD&dimensions= Input fundies:OperatingCashFlow: 120000000 USD (2001-01-01 to 2001-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/18654/0000018654-03-000003.txt#2152 The citation records this snapshot. The page link may show a newer release later.	Unavailable Not reported for this period.	Unavailable Free cash flow cannot be calculated because Capital expenditure is unavailable for this period.
2002 2002-01-01 – 2002-12-31	USD 26 million Exact value Exact value: 26000000 USD 2002-01-01 – 2002-12-31: 26000000 USD Inspect Net Income Open source Share or cite Citation for Net Income · Ameren Illinois Co · 2002-12-31 Ameren Illinois Co (edgar:18654) Net Income: 26000000 USD Concept: fundies:NetIncome Period: 2002-01-01 to 2002-12-31 Values: Latest reported Published: 2026-11-02T19:27:16Z Snapshot: e15a8cffa2ee31d31f81202061f48ad6a7ecb3c0e661b33b82ede841f7148163 Dimensions: Consolidated View: https://fundies.io/companies/edgar/18654/explain?concept=fundies%3ANetIncome&period=2002-12-31&surface=latest&period_type=duration&start=2002-01-01&unit=USD&dimensions= Input fundies:NetIncome: 26000000 USD (2002-01-01 to 2002-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/18654/0000018654-03-000003.txt#2135 The citation records this snapshot. The page link may show a newer release later.	USD 96 million Exact value Exact value: 96000000 USD 2002-01-01 – 2002-12-31: 96000000 USD Inspect Operating Cash Flow Open source Share or cite Citation for Operating Cash Flow · Ameren Illinois Co · 2002-12-31 Ameren Illinois Co (edgar:18654) Operating Cash Flow: 96000000 USD Concept: fundies:OperatingCashFlow Period: 2002-01-01 to 2002-12-31 Values: Latest reported Published: 2026-11-02T19:27:16Z Snapshot: e15a8cffa2ee31d31f81202061f48ad6a7ecb3c0e661b33b82ede841f7148163 Dimensions: Consolidated View: https://fundies.io/companies/edgar/18654/explain?concept=fundies%3AOperatingCashFlow&period=2002-12-31&surface=latest&period_type=duration&start=2002-01-01&unit=USD&dimensions= Input fundies:OperatingCashFlow: 96000000 USD (2002-01-01 to 2002-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/18654/0000018654-03-000003.txt#2152 The citation records this snapshot. The page link may show a newer release later.	Unavailable Not reported for this period.	Unavailable Free cash flow cannot be calculated because Capital expenditure is unavailable for this period.
2004 2004-01-01 – 2004-12-31	USD 530 million Exact value Exact value: 530000000 USD 2004-01-01 – 2004-12-31: 530000000 USD Inspect Net Income Open source Share or cite Citation for Net Income · Ameren Illinois Co · 2004-12-31 Ameren Illinois Co (edgar:18654) Net Income: 530000000 USD Concept: fundies:NetIncome Period: 2004-01-01 to 2004-12-31 Values: Latest reported Published: 2026-11-02T19:27:16Z Snapshot: e15a8cffa2ee31d31f81202061f48ad6a7ecb3c0e661b33b82ede841f7148163 Dimensions: Consolidated View: https://fundies.io/companies/edgar/18654/explain?concept=fundies%3ANetIncome&period=2004-12-31&surface=latest&period_type=duration&start=2004-01-01&unit=USD&dimensions= Input fundies:NetIncome: 530000000 USD (2004-01-01 to 2004-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1002910/0000950137-07-003131.txt#72736 The citation records this snapshot. The page link may show a newer release later.	USD 1.11 billion Exact value Exact value: 1112000000 USD 2004-01-01 – 2004-12-31: 1112000000 USD Inspect Operating Cash Flow Open source Share or cite Citation for Operating Cash Flow · Ameren Illinois Co · 2004-12-31 Ameren Illinois Co (edgar:18654) Operating Cash Flow: 1112000000 USD Concept: fundies:OperatingCashFlow Period: 2004-01-01 to 2004-12-31 Values: Latest reported Published: 2026-11-02T19:27:16Z Snapshot: e15a8cffa2ee31d31f81202061f48ad6a7ecb3c0e661b33b82ede841f7148163 Dimensions: Consolidated View: https://fundies.io/companies/edgar/18654/explain?concept=fundies%3AOperatingCashFlow&period=2004-12-31&surface=latest&period_type=duration&start=2004-01-01&unit=USD&dimensions= Input fundies:OperatingCashFlow: 1112000000 USD (2004-01-01 to 2004-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1002910/0000950137-07-003131.txt#73739 The citation records this snapshot. The page link may show a newer release later.	USD 796 million Exact value Exact value: 796000000 USD 2004-01-01 – 2004-12-31: 796000000 USD Inspect Capital Expenditure Open source Share or cite Citation for Capital Expenditure · Ameren Illinois Co · 2004-12-31 Ameren Illinois Co (edgar:18654) Capital Expenditure: 796000000 USD Concept: fundies:CapitalExpenditure Period: 2004-01-01 to 2004-12-31 Values: Latest reported Published: 2026-11-02T19:27:16Z Snapshot: e15a8cffa2ee31d31f81202061f48ad6a7ecb3c0e661b33b82ede841f7148163 Dimensions: Consolidated View: https://fundies.io/companies/edgar/18654/explain?concept=fundies%3ACapitalExpenditure&period=2004-12-31&surface=latest&period_type=duration&start=2004-01-01&unit=USD&dimensions= Input fundies:CapitalExpenditure: 796000000 USD (2004-01-01 to 2004-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1002910/0000950137-07-003131.txt#73887 The citation records this snapshot. The page link may show a newer release later.	USD 316 million Calculation and evidence 1112000000 − 796000000 USD Exact free cash flow: 316000000 USD 2004-01-01 – 2004-12-31: 1112000000 USD · Inspect Operating Cash Flow · Source 2004-01-01 – 2004-12-31: 796000000 USD · Inspect Capital Expenditure · Source Share or cite Citation for Free cash flow · Ameren Illinois Co · 2004-12-31 Ameren Illinois Co (edgar:18654) Free cash flow: 316000000 USD Concept: free-cash-flow Period: 2004-01-01 to 2004-12-31 Values: Latest reported Published: 2026-11-02T19:27:16Z Snapshot: e15a8cffa2ee31d31f81202061f48ad6a7ecb3c0e661b33b82ede841f7148163 Dimensions: Consolidated View: https://fundies.io/companies/edgar/18654?view=overview&cadence=annual&surface=latest#cash-generation-title Computed: Operating cash flow minus capital expenditure Input fundies:OperatingCashFlow: 1112000000 USD (2004-01-01 to 2004-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1002910/0000950137-07-003131.txt#73739 Input fundies:CapitalExpenditure: 796000000 USD (2004-01-01 to 2004-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1002910/0000950137-07-003131.txt#73887 The citation records this snapshot. The page link may show a newer release later.
2005 2005-01-01 – 2005-12-31	USD 606 million Exact value Exact value: 606000000 USD 2005-01-01 – 2005-12-31: 606000000 USD Inspect Net Income Open source Share or cite Citation for Net Income · Ameren Illinois Co · 2005-12-31 Ameren Illinois Co (edgar:18654) Net Income: 606000000 USD Concept: fundies:NetIncome Period: 2005-01-01 to 2005-12-31 Values: Latest reported Published: 2026-11-02T19:27:16Z Snapshot: e15a8cffa2ee31d31f81202061f48ad6a7ecb3c0e661b33b82ede841f7148163 Dimensions: Consolidated View: https://fundies.io/companies/edgar/18654/explain?concept=fundies%3ANetIncome&period=2005-12-31&surface=latest&period_type=duration&start=2005-01-01&unit=USD&dimensions= Input fundies:NetIncome: 606000000 USD (2005-01-01 to 2005-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1002910/0000950137-07-003131.txt#72736 The citation records this snapshot. The page link may show a newer release later.	USD 1.25 billion Exact value Exact value: 1251000000 USD 2005-01-01 – 2005-12-31: 1251000000 USD Inspect Operating Cash Flow Open source Share or cite Citation for Operating Cash Flow · Ameren Illinois Co · 2005-12-31 Ameren Illinois Co (edgar:18654) Operating Cash Flow: 1251000000 USD Concept: fundies:OperatingCashFlow Period: 2005-01-01 to 2005-12-31 Values: Latest reported Published: 2026-11-02T19:27:16Z Snapshot: e15a8cffa2ee31d31f81202061f48ad6a7ecb3c0e661b33b82ede841f7148163 Dimensions: Consolidated View: https://fundies.io/companies/edgar/18654/explain?concept=fundies%3AOperatingCashFlow&period=2005-12-31&surface=latest&period_type=duration&start=2005-01-01&unit=USD&dimensions= Input fundies:OperatingCashFlow: 1251000000 USD (2005-01-01 to 2005-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1002910/0000950137-07-003131.txt#73739 The citation records this snapshot. The page link may show a newer release later.	USD 935 million Exact value Exact value: 935000000 USD 2005-01-01 – 2005-12-31: 935000000 USD Inspect Capital Expenditure Open source Share or cite Citation for Capital Expenditure · Ameren Illinois Co · 2005-12-31 Ameren Illinois Co (edgar:18654) Capital Expenditure: 935000000 USD Concept: fundies:CapitalExpenditure Period: 2005-01-01 to 2005-12-31 Values: Latest reported Published: 2026-11-02T19:27:16Z Snapshot: e15a8cffa2ee31d31f81202061f48ad6a7ecb3c0e661b33b82ede841f7148163 Dimensions: Consolidated View: https://fundies.io/companies/edgar/18654/explain?concept=fundies%3ACapitalExpenditure&period=2005-12-31&surface=latest&period_type=duration&start=2005-01-01&unit=USD&dimensions= Input fundies:CapitalExpenditure: 935000000 USD (2005-01-01 to 2005-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1002910/0000950137-07-003131.txt#73887 The citation records this snapshot. The page link may show a newer release later.	USD 316 million Calculation and evidence 1251000000 − 935000000 USD Exact free cash flow: 316000000 USD 2005-01-01 – 2005-12-31: 1251000000 USD · Inspect Operating Cash Flow · Source 2005-01-01 – 2005-12-31: 935000000 USD · Inspect Capital Expenditure · Source Share or cite Citation for Free cash flow · Ameren Illinois Co · 2005-12-31 Ameren Illinois Co (edgar:18654) Free cash flow: 316000000 USD Concept: free-cash-flow Period: 2005-01-01 to 2005-12-31 Values: Latest reported Published: 2026-11-02T19:27:16Z Snapshot: e15a8cffa2ee31d31f81202061f48ad6a7ecb3c0e661b33b82ede841f7148163 Dimensions: Consolidated View: https://fundies.io/companies/edgar/18654?view=overview&cadence=annual&surface=latest#cash-generation-title Computed: Operating cash flow minus capital expenditure Input fundies:OperatingCashFlow: 1251000000 USD (2005-01-01 to 2005-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1002910/0000950137-07-003131.txt#73739 Input fundies:CapitalExpenditure: 935000000 USD (2005-01-01 to 2005-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1002910/0000950137-07-003131.txt#73887 The citation records this snapshot. The page link may show a newer release later.
2006 2006-01-01 – 2006-12-31	USD 547 million Exact value Exact value: 547000000 USD 2006-01-01 – 2006-12-31: 547000000 USD Inspect Net Income Open source Share or cite Citation for Net Income · Ameren Illinois Co · 2006-12-31 Ameren Illinois Co (edgar:18654) Net Income: 547000000 USD Concept: fundies:NetIncome Period: 2006-01-01 to 2006-12-31 Values: Latest reported Published: 2026-11-02T19:27:16Z Snapshot: e15a8cffa2ee31d31f81202061f48ad6a7ecb3c0e661b33b82ede841f7148163 Dimensions: Consolidated View: https://fundies.io/companies/edgar/18654/explain?concept=fundies%3ANetIncome&period=2006-12-31&surface=latest&period_type=duration&start=2006-01-01&unit=USD&dimensions= Input fundies:NetIncome: 547000000 USD (2006-01-01 to 2006-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1002910/0000950137-07-003131.txt#72736 The citation records this snapshot. The page link may show a newer release later.	USD 1.28 billion Exact value Exact value: 1279000000 USD 2006-01-01 – 2006-12-31: 1279000000 USD Inspect Operating Cash Flow Open source Share or cite Citation for Operating Cash Flow · Ameren Illinois Co · 2006-12-31 Ameren Illinois Co (edgar:18654) Operating Cash Flow: 1279000000 USD Concept: fundies:OperatingCashFlow Period: 2006-01-01 to 2006-12-31 Values: Latest reported Published: 2026-11-02T19:27:16Z Snapshot: e15a8cffa2ee31d31f81202061f48ad6a7ecb3c0e661b33b82ede841f7148163 Dimensions: Consolidated View: https://fundies.io/companies/edgar/18654/explain?concept=fundies%3AOperatingCashFlow&period=2006-12-31&surface=latest&period_type=duration&start=2006-01-01&unit=USD&dimensions= Input fundies:OperatingCashFlow: 1279000000 USD (2006-01-01 to 2006-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1002910/0000950137-07-003131.txt#73739 The citation records this snapshot. The page link may show a newer release later.	USD 992 million Exact value Exact value: 992000000 USD 2006-01-01 – 2006-12-31: 992000000 USD Inspect Capital Expenditure Open source Share or cite Citation for Capital Expenditure · Ameren Illinois Co · 2006-12-31 Ameren Illinois Co (edgar:18654) Capital Expenditure: 992000000 USD Concept: fundies:CapitalExpenditure Period: 2006-01-01 to 2006-12-31 Values: Latest reported Published: 2026-11-02T19:27:16Z Snapshot: e15a8cffa2ee31d31f81202061f48ad6a7ecb3c0e661b33b82ede841f7148163 Dimensions: Consolidated View: https://fundies.io/companies/edgar/18654/explain?concept=fundies%3ACapitalExpenditure&period=2006-12-31&surface=latest&period_type=duration&start=2006-01-01&unit=USD&dimensions= Input fundies:CapitalExpenditure: 992000000 USD (2006-01-01 to 2006-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1002910/0000950137-07-003131.txt#73887 The citation records this snapshot. The page link may show a newer release later.	USD 287 million Calculation and evidence 1279000000 − 992000000 USD Exact free cash flow: 287000000 USD 2006-01-01 – 2006-12-31: 1279000000 USD · Inspect Operating Cash Flow · Source 2006-01-01 – 2006-12-31: 992000000 USD · Inspect Capital Expenditure · Source Share or cite Citation for Free cash flow · Ameren Illinois Co · 2006-12-31 Ameren Illinois Co (edgar:18654) Free cash flow: 287000000 USD Concept: free-cash-flow Period: 2006-01-01 to 2006-12-31 Values: Latest reported Published: 2026-11-02T19:27:16Z Snapshot: e15a8cffa2ee31d31f81202061f48ad6a7ecb3c0e661b33b82ede841f7148163 Dimensions: Consolidated View: https://fundies.io/companies/edgar/18654?view=overview&cadence=annual&surface=latest#cash-generation-title Computed: Operating cash flow minus capital expenditure Input fundies:OperatingCashFlow: 1279000000 USD (2006-01-01 to 2006-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1002910/0000950137-07-003131.txt#73739 Input fundies:CapitalExpenditure: 992000000 USD (2006-01-01 to 2006-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1002910/0000950137-07-003131.txt#73887 The citation records this snapshot. The page link may show a newer release later.
2008 2008-01-01 – 2008-12-31	USD 605 million Exact value Exact value: 605000000 USD 2008-01-01 – 2008-12-31: 605000000 USD Inspect Net Income Open source Share or cite Citation for Net Income · Ameren Illinois Co · 2008-12-31 Ameren Illinois Co (edgar:18654) Net Income: 605000000 USD Concept: fundies:NetIncome Period: 2008-01-01 to 2008-12-31 Values: Latest reported Published: 2026-11-02T19:27:16Z Snapshot: e15a8cffa2ee31d31f81202061f48ad6a7ecb3c0e661b33b82ede841f7148163 Dimensions: Consolidated View: https://fundies.io/companies/edgar/18654/explain?concept=fundies%3ANetIncome&period=2008-12-31&surface=latest&period_type=duration&start=2008-01-01&unit=USD&dimensions= Input fundies:NetIncome: 605000000 USD (2008-01-01 to 2008-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1002910/0001193125-11-044880.txt#19510 The citation records this snapshot. The page link may show a newer release later.	USD 1.52 billion Exact value Exact value: 1524000000 USD 2008-01-01 – 2008-12-31: 1524000000 USD Inspect Operating Cash Flow Open source Share or cite Citation for Operating Cash Flow · Ameren Illinois Co · 2008-12-31 Ameren Illinois Co (edgar:18654) Operating Cash Flow: 1524000000 USD Concept: fundies:OperatingCashFlow Period: 2008-01-01 to 2008-12-31 Values: Latest reported Published: 2026-11-02T19:27:16Z Snapshot: e15a8cffa2ee31d31f81202061f48ad6a7ecb3c0e661b33b82ede841f7148163 Dimensions: Consolidated View: https://fundies.io/companies/edgar/18654/explain?concept=fundies%3AOperatingCashFlow&period=2008-12-31&surface=latest&period_type=duration&start=2008-01-01&unit=USD&dimensions= Input fundies:OperatingCashFlow: 1524000000 USD (2008-01-01 to 2008-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1002910/0001193125-11-044880.txt#20635 The citation records this snapshot. The page link may show a newer release later.	USD 1.9 billion Exact value Exact value: 1896000000 USD 2008-01-01 – 2008-12-31: 1896000000 USD Inspect Capital Expenditure Open source Share or cite Citation for Capital Expenditure · Ameren Illinois Co · 2008-12-31 Ameren Illinois Co (edgar:18654) Capital Expenditure: 1896000000 USD Concept: fundies:CapitalExpenditure Period: 2008-01-01 to 2008-12-31 Values: Latest reported Published: 2026-11-02T19:27:16Z Snapshot: e15a8cffa2ee31d31f81202061f48ad6a7ecb3c0e661b33b82ede841f7148163 Dimensions: Consolidated View: https://fundies.io/companies/edgar/18654/explain?concept=fundies%3ACapitalExpenditure&period=2008-12-31&surface=latest&period_type=duration&start=2008-01-01&unit=USD&dimensions= Input fundies:CapitalExpenditure: 1896000000 USD (2008-01-01 to 2008-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1002910/0001193125-11-044880.txt#20677 The citation records this snapshot. The page link may show a newer release later.	−USD 372 million Calculation and evidence 1524000000 − 1896000000 USD Exact free cash flow: -372000000 USD 2008-01-01 – 2008-12-31: 1524000000 USD · Inspect Operating Cash Flow · Source 2008-01-01 – 2008-12-31: 1896000000 USD · Inspect Capital Expenditure · Source Share or cite Citation for Free cash flow · Ameren Illinois Co · 2008-12-31 Ameren Illinois Co (edgar:18654) Free cash flow: -372000000 USD Concept: free-cash-flow Period: 2008-01-01 to 2008-12-31 Values: Latest reported Published: 2026-11-02T19:27:16Z Snapshot: e15a8cffa2ee31d31f81202061f48ad6a7ecb3c0e661b33b82ede841f7148163 Dimensions: Consolidated View: https://fundies.io/companies/edgar/18654?view=overview&cadence=annual&surface=latest#cash-generation-title Computed: Operating cash flow minus capital expenditure Input fundies:OperatingCashFlow: 1524000000 USD (2008-01-01 to 2008-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1002910/0001193125-11-044880.txt#20635 Input fundies:CapitalExpenditure: 1896000000 USD (2008-01-01 to 2008-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1002910/0001193125-11-044880.txt#20677 The citation records this snapshot. The page link may show a newer release later.
2009 2009-01-01 – 2009-12-31	USD 612 million Exact value Exact value: 612000000 USD 2009-01-01 – 2009-12-31: 612000000 USD Inspect Net Income Open source Share or cite Citation for Net Income · Ameren Illinois Co · 2009-12-31 Ameren Illinois Co (edgar:18654) Net Income: 612000000 USD Concept: fundies:NetIncome Period: 2009-01-01 to 2009-12-31 Values: Latest reported Published: 2026-11-02T19:27:16Z Snapshot: e15a8cffa2ee31d31f81202061f48ad6a7ecb3c0e661b33b82ede841f7148163 Dimensions: Consolidated View: https://fundies.io/companies/edgar/18654/explain?concept=fundies%3ANetIncome&period=2009-12-31&surface=latest&period_type=duration&start=2009-01-01&unit=USD&dimensions= Input fundies:NetIncome: 612000000 USD (2009-01-01 to 2009-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1002910/0001193125-11-044880.txt#19510 The citation records this snapshot. The page link may show a newer release later.	USD 1.98 billion Exact value Exact value: 1977000000 USD 2009-01-01 – 2009-12-31: 1977000000 USD Inspect Operating Cash Flow Open source Share or cite Citation for Operating Cash Flow · Ameren Illinois Co · 2009-12-31 Ameren Illinois Co (edgar:18654) Operating Cash Flow: 1977000000 USD Concept: fundies:OperatingCashFlow Period: 2009-01-01 to 2009-12-31 Values: Latest reported Published: 2026-11-02T19:27:16Z Snapshot: e15a8cffa2ee31d31f81202061f48ad6a7ecb3c0e661b33b82ede841f7148163 Dimensions: Consolidated View: https://fundies.io/companies/edgar/18654/explain?concept=fundies%3AOperatingCashFlow&period=2009-12-31&surface=latest&period_type=duration&start=2009-01-01&unit=USD&dimensions= Input fundies:OperatingCashFlow: 1977000000 USD (2009-01-01 to 2009-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1002910/0001193125-11-044880.txt#20635 The citation records this snapshot. The page link may show a newer release later.	USD 1.7 billion Exact value Exact value: 1704000000 USD 2009-01-01 – 2009-12-31: 1704000000 USD Inspect Capital Expenditure Open source Share or cite Citation for Capital Expenditure · Ameren Illinois Co · 2009-12-31 Ameren Illinois Co (edgar:18654) Capital Expenditure: 1704000000 USD Concept: fundies:CapitalExpenditure Period: 2009-01-01 to 2009-12-31 Values: Latest reported Published: 2026-11-02T19:27:16Z Snapshot: e15a8cffa2ee31d31f81202061f48ad6a7ecb3c0e661b33b82ede841f7148163 Dimensions: Consolidated View: https://fundies.io/companies/edgar/18654/explain?concept=fundies%3ACapitalExpenditure&period=2009-12-31&surface=latest&period_type=duration&start=2009-01-01&unit=USD&dimensions= Input fundies:CapitalExpenditure: 1704000000 USD (2009-01-01 to 2009-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1002910/0001193125-11-044880.txt#20677 The citation records this snapshot. The page link may show a newer release later.	USD 273 million Calculation and evidence 1977000000 − 1704000000 USD Exact free cash flow: 273000000 USD 2009-01-01 – 2009-12-31: 1977000000 USD · Inspect Operating Cash Flow · Source 2009-01-01 – 2009-12-31: 1704000000 USD · Inspect Capital Expenditure · Source Share or cite Citation for Free cash flow · Ameren Illinois Co · 2009-12-31 Ameren Illinois Co (edgar:18654) Free cash flow: 273000000 USD Concept: free-cash-flow Period: 2009-01-01 to 2009-12-31 Values: Latest reported Published: 2026-11-02T19:27:16Z Snapshot: e15a8cffa2ee31d31f81202061f48ad6a7ecb3c0e661b33b82ede841f7148163 Dimensions: Consolidated View: https://fundies.io/companies/edgar/18654?view=overview&cadence=annual&surface=latest#cash-generation-title Computed: Operating cash flow minus capital expenditure Input fundies:OperatingCashFlow: 1977000000 USD (2009-01-01 to 2009-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1002910/0001193125-11-044880.txt#20635 Input fundies:CapitalExpenditure: 1704000000 USD (2009-01-01 to 2009-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1002910/0001193125-11-044880.txt#20677 The citation records this snapshot. The page link may show a newer release later.
2010 2010-01-01 – 2010-12-31	USD 139 million Exact value Exact value: 139000000 USD 2010-01-01 – 2010-12-31: 139000000 USD Inspect Net Income Open source Share or cite Citation for Net Income · Ameren Illinois Co · 2010-12-31 Ameren Illinois Co (edgar:18654) Net Income: 139000000 USD Concept: fundies:NetIncome Period: 2010-01-01 to 2010-12-31 Values: Latest reported Published: 2026-11-02T19:27:16Z Snapshot: e15a8cffa2ee31d31f81202061f48ad6a7ecb3c0e661b33b82ede841f7148163 Dimensions: Consolidated View: https://fundies.io/companies/edgar/18654/explain?concept=fundies%3ANetIncome&period=2010-12-31&surface=latest&period_type=duration&start=2010-01-01&unit=USD&dimensions= Input fundies:NetIncome: 139000000 USD (2010-01-01 to 2010-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1002910/0001193125-11-044880.txt#19510 The citation records this snapshot. The page link may show a newer release later.	USD 1.84 billion Exact value Exact value: 1842000000 USD 2010-01-01 – 2010-12-31: 1842000000 USD Inspect Operating Cash Flow Open source Share or cite Citation for Operating Cash Flow · Ameren Illinois Co · 2010-12-31 Ameren Illinois Co (edgar:18654) Operating Cash Flow: 1842000000 USD Concept: fundies:OperatingCashFlow Period: 2010-01-01 to 2010-12-31 Values: Latest reported Published: 2026-11-02T19:27:16Z Snapshot: e15a8cffa2ee31d31f81202061f48ad6a7ecb3c0e661b33b82ede841f7148163 Dimensions: Consolidated View: https://fundies.io/companies/edgar/18654/explain?concept=fundies%3AOperatingCashFlow&period=2010-12-31&surface=latest&period_type=duration&start=2010-01-01&unit=USD&dimensions= Input fundies:OperatingCashFlow: 1842000000 USD (2010-01-01 to 2010-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1002910/0001193125-11-044880.txt#20635 The citation records this snapshot. The page link may show a newer release later.	USD 1.03 billion Exact value Exact value: 1031000000 USD 2010-01-01 – 2010-12-31: 1031000000 USD Inspect Capital Expenditure Open source Share or cite Citation for Capital Expenditure · Ameren Illinois Co · 2010-12-31 Ameren Illinois Co (edgar:18654) Capital Expenditure: 1031000000 USD Concept: fundies:CapitalExpenditure Period: 2010-01-01 to 2010-12-31 Values: Latest reported Published: 2026-11-02T19:27:16Z Snapshot: e15a8cffa2ee31d31f81202061f48ad6a7ecb3c0e661b33b82ede841f7148163 Dimensions: Consolidated View: https://fundies.io/companies/edgar/18654/explain?concept=fundies%3ACapitalExpenditure&period=2010-12-31&surface=latest&period_type=duration&start=2010-01-01&unit=USD&dimensions= Input fundies:CapitalExpenditure: 1031000000 USD (2010-01-01 to 2010-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1002910/0001193125-11-044880.txt#20677 The citation records this snapshot. The page link may show a newer release later.	USD 811 million Calculation and evidence 1842000000 − 1031000000 USD Exact free cash flow: 811000000 USD 2010-01-01 – 2010-12-31: 1842000000 USD · Inspect Operating Cash Flow · Source 2010-01-01 – 2010-12-31: 1031000000 USD · Inspect Capital Expenditure · Source Share or cite Citation for Free cash flow · Ameren Illinois Co · 2010-12-31 Ameren Illinois Co (edgar:18654) Free cash flow: 811000000 USD Concept: free-cash-flow Period: 2010-01-01 to 2010-12-31 Values: Latest reported Published: 2026-11-02T19:27:16Z Snapshot: e15a8cffa2ee31d31f81202061f48ad6a7ecb3c0e661b33b82ede841f7148163 Dimensions: Consolidated View: https://fundies.io/companies/edgar/18654?view=overview&cadence=annual&surface=latest#cash-generation-title Computed: Operating cash flow minus capital expenditure Input fundies:OperatingCashFlow: 1842000000 USD (2010-01-01 to 2010-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1002910/0001193125-11-044880.txt#20635 Input fundies:CapitalExpenditure: 1031000000 USD (2010-01-01 to 2010-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1002910/0001193125-11-044880.txt#20677 The citation records this snapshot. The page link may show a newer release later.

Capital expenditure uses the canonical mapped positive-spending convention. A missing, ambiguous, incompatible, or negative-sign input is left blank. Values use the latest reported version.

Dataset coverage and company identifiers

Coverage reflects filings processed into this Fundies dataset; it does not imply every source filing is loaded.

136 filings · 0 latest values · 0 originally reported values

Dataset published 2026-11-02. Source filing dates and reporting periods are shown separately.

Identifiers: 0000018654, 18654, AILIH, AILIM, AILIN, AILIO, AILIP, AILLI, AILLM, AILLN, AILLO, AILLP, edgar:18654

Also known as CENTRAL ILLINOIS PUBLIC SERVICE CO

Ameren Illinois Co

Latest quarter

Revenue

Operating margin

Operating cash flow

Free cash flow

Company performance

What changed year over year

Revenue

Net income

Operating cash flow

Capital expenditure

Where revenue goes

2010 2010-01-01 – 2010-12-31

Cash

Share of revenue by period

Growth

Profit and cash

Balance sheet

Cash generation