Business Segments · CapEx
Ameren Illinois Transmission — CapEx
Ameren Ameren Illinois Transmission — CapEx decreased by 16.7% to $120.00M in Q1 2026 compared to the prior quarter. Year-over-year, this metric declined by 12.4%, from $137.00M to $120.00M. Over 4 years (FY 2021 to FY 2025), Ameren Illinois Transmission — CapEx shows relatively stable performance with a -0.5% CAGR.
Analysis
StatementSegment
CategoryCapital Allocation
SignalContext dependent
VolatilityModerate
First reportedQ1 2018
Last reportedQ1 2026
How to read this metric
Higher spending typically signals ongoing grid modernization or expansion, which drives future rate base growth.
Detailed definition
This represents the total cash outflow for the acquisition, construction, or improvement of long-term transmission infra...
Peer comparison
Standard 'CapEx' metric used by all utilities to track infrastructure investment intensity.
Metric ID:
aee_segment_ameren_illinois_transmission_capital_expendituresHistorical Data
20 periods
| Q2 '21 | Q3 '21 | Q4 '21 | Q1 '22 | Q2 '22 | Q3 '22 | Q4 '22 | Q1 '23 | Q2 '23 | Q3 '23 | Q4 '23 | Q1 '24 | Q2 '24 | Q3 '24 | Q4 '24 | Q1 '25 | Q2 '25 | Q3 '25 | Q4 '25 | Q1 '26 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Value | $119.00M | $144.00M | $180.00M | $155.00M | $145.00M | $169.00M | $203.00M | $186.00M | $167.00M | $125.00M | $202.00M | $129.00M | $153.00M | $139.00M | $203.00M | $137.00M | $138.00M | $144.00M | $144.00M | $120.00M |
| QoQ Change | — | +21.0% | +25.0% | -13.9% | -6.5% | +16.6% | +20.1% | -8.4% | -10.2% | -25.1% | +61.6% | -36.1% | +18.6% | -9.2% | +46.0% | -32.5% | +0.7% | +4.3% | +0.0% | -16.7% |
| YoY Change | — | — | — | — | +21.8% | +17.4% | +12.8% | +20.0% | +15.2% | -26.0% | -0.5% | -30.6% | -8.4% | +11.2% | +0.5% | +6.2% | -9.8% | +3.6% | -29.1% | -12.4% |
Range$119.00M – $203.00M
CAGR+0.2%
Avg YoY Growth-0.5%
Median YoY Growth+2.0%
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Frequently Asked Questions
- What is Ameren's ameren illinois transmission — capex?
- Ameren (AEE) reported ameren illinois transmission — capex of $120.00M in Q1 2026.
- How has Ameren's ameren illinois transmission — capex changed year-over-year?
- Ameren's ameren illinois transmission — capex decreased by 12.4% year-over-year, from $137.00M to $120.00M.
- What is the long-term trend for Ameren's ameren illinois transmission — capex?
- Over 4 years (2021 to 2025), Ameren's ameren illinois transmission — capex has grown at a -0.5% compound annual growth rate (CAGR), from $575.00M to $563.00M.
- What does ameren illinois transmission — capex mean?
- The amount spent on building and upgrading transmission infrastructure.