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Ameren AEE Ameren Illinois Transmission — Other operations and maintenance

Other segment segments

Union Electric Company
$264M+5.6%
Ameren Illinois Electric Distribution
$160M-3.6%
Ameren Illinois Natural Gas
$57M+3.6%
Ameren Transmission
$19M0.0%

Similar metrics at other companies

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WECElectric Transmission — Other operation and maintenance
$0—
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AEPState Transcos — Other Operation and Maintenance
$51M+50.0%
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AEPAEPTHCo — Other Operation and Maintenance
$53M+43.2%
FirstEnergy logo
FERegulated Transmission — Other operating expense
$79M-19.4%
Duke Energy logo
DUKElectric Utilities and Infrastructure — Operation, maintenance and other
$1.59B+26.3%
American Electric Power logo
AEPT&D — Other Operation and Maintenance
$580M+0.5%

Other financials

Income statement

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Revenue$2.2B+3.8%
Gross profit$1.8B+19.9%
Operating income$532.0M+23.7%
Net income$358.0M+23.4%
EPS (diluted)$1.28+19.6%

Balance sheet

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Cash & equivalents$485.0M+29.0%
Total debt$20.2B+2.9%
Total equity$13.6B+10.9%
Total assets$49.8B+9.2%

Cash flow

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Operating cash flow$421.0M-2.3%
CapEx$1.6B+47.9%
Free cash flow-$1.2B-82.1%

Valuation

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Market cap$32.75B+25.3%
Enterprise value$52.44B+14.8%
P/E21.4×+0.2×
P/S3.7×+0.6×

Profitability

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Gross margin82.2%+3.0pp
Operating margin24%+4.0pp
Net margin17.2%+1.9pp
FCF margin-18.1%-3.0pp

Returns & leverage

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Return on equity11.9%+1.6pp
Debt / equity1.5×-0.1×
Current ratio0.6×-0.2×

Where this comes from

Reported directly by Ameren in its filing.

Tagged under the XBRL concept us-gaap:UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses.

The official record: Ameren’s 10-Q, filed May 8, 2026, on SEC EDGAR. View the filing →

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Questions, answered.

What is Ameren's ameren illinois transmission — other operations and maintenance?
Ameren (AEE) reported ameren illinois transmission — other operations and maintenance of $15M in Q1 2026.
How has Ameren's ameren illinois transmission — other operations and maintenance changed year-over-year?
Ameren's ameren illinois transmission — other operations and maintenance decreased by 0.0% year-over-year, from $15M to $15M.
What is the long-term trend for Ameren's ameren illinois transmission — other operations and maintenance?
Over 3 years (2022 to 2025), Ameren's ameren illinois transmission — other operations and maintenance has grown at a 4.6% compound annual growth rate (CAGR), from $49M to $56M.
What does ameren illinois transmission — other operations and maintenance mean?
Operating and maintenance expenses excluding fuel and purchased power, covering labor, materials, and administrative costs required to run the transmission network. This metric highlights the controllable cost structure of the segment. It is a key focus for management to improve operational efficiency.