| Segment | Q2 '24 | Q3 '24 | Q4 '24 | Q1 '25 | Q2 '25 | Q3 '25 | Q4 '25 | Q1 '26 |
|---|---|---|---|---|---|---|---|---|
| Union Electric Company | $63.00M | $62.00M | $57.00M | $60.00M | $70.00M | $85.00M | $82.00M | $82.00M |
| Ameren Transmission | — | — | — | $29.00M | $29.00M | $31.00M | — | $30.00M |
| Ameren Illinois Electric Distribution | — | — | — | $26.00M | $26.00M | $28.00M | — | $28.00M |
| Ameren Illinois Transmission | — | — | — | $21.00M | $21.00M | $23.00M | — | $24.00M |
| Ameren Illinois Natural Gas | — | — | — | $15.00M | $16.00M | $16.00M | — | $16.00M |
| Total | $165.00M | $173.00M | $171.00M | $175.00M | $187.00M | $208.00M | $206.00M | $204.00M |