What is Ameren's capex?

Ameren (AEE) reported capex of $1.57B in Q1 2026.

How has Ameren's capex changed year-over-year?

Ameren's capex increased by 47.9% year-over-year, from $1.06B to $1.57B.

What is the long-term trend for Ameren's capex?

Over 4 years (2021 to 2025), Ameren's capex has grown at a 4.4% compound annual growth rate (CAGR), from $3.48B to $4.13B.

What does capex mean?

Cash spent on property, plant, and equipment — the primary measure of investment in productive capacity and infrastructure.

Ameren AEE CapEx

CapEx at other companies

SpireSR

$192.2M-12.1%

VistraVST

$883M+15.0%

EVR

EvergyEVRG

$851.9M+43.7%

OTT

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$185.28M+219%

CMS

CMS EnergyCMS

——

American Electric PowerAEP

——

Segments

By segment

See full

Union Electric Company$1.09B+65.8%

Ameren Transmission$204M+17.9%

Ameren Illinois Electric Distribution$196M+17.4%

Ameren Illinois Transmission$120M-12.4%

Ameren Illinois Natural Gas$72M+22.0%

Other financials

Income statement

See full

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

See full

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

See full

Operating cash flow$421.0M-2.3%

Free cash flow-$1.2B-82.1%

Valuation

See full

Market cap$32.75B+25.3%

Enterprise value$52.44B+14.8%

P/E21.4×+0.2×

P/S3.7×+0.6×

Profitability

See full

Gross margin82.2%+3.0pp

Operating margin24%+4.0pp

Net margin17.2%+1.9pp

FCF margin-18.1%-3.0pp

Returns & leverage

See full

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:PaymentsToAcquirePropertyPlantAndEquipment.

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 capex?: Ameren (AEE) reported capex of $1.57B in Q1 2026.
How has Ameren's capex changed year-over-year?: Ameren's capex increased by 47.9% year-over-year, from $1.06B to $1.57B.
What is the long-term trend for Ameren's capex?: Over 4 years (2021 to 2025), Ameren's capex has grown at a 4.4% compound annual growth rate (CAGR), from $3.48B to $4.13B.
What does capex mean?: Cash spent on property, plant, and equipment — the primary measure of investment in productive capacity and infrastructure.