KPI data tables
Ameren operating metrics behind the KPI charts, newest period first (up to 24 periods per chart). Periods use each company's own fiscal labels where the source does; each table names its source.
| Period | Ameren Missouri retail | Ameren Missouri off-system | Ameren Illinois Electric Distribution |
|---|---|---|---|
| Q2 2026 | 7,358 | 1,191 | 7,661 |
| Q1 2026 | 7,932 | 1,099 | 8,021 |
| Q4 2025 | 7,396 | 1,009 | 8,522 |
| Q3 2025 | 8,982 | 581 | 9,446 |
| Q2 2025 | 7,211 | 662 | 7,799 |
| Q1 2025 | 8,207 | 1,214 | 8,387 |
| Q4 2024 | 7,158 | 648 | 8,123 |
| Q3 2024 | 8,497 | 748 | 9,320 |
Source: Ameren Form 8-K Exhibit 99.1 Operating Statistics, Electric Sales - kilowatthours (in millions). Q3 2025: https://www.sec.gov/Archives/edgar/data/1002910/000100291025000127/q32025ex991earningsrelease.htm. Q4 2025 / FY 2025: https://www.sec.gov/Archives/edgar/data/1002910/000100291026000005/q42025ex991earningsrelease.htm. Q1 2026: https://www.sec.gov/Archives/edgar/data/1002910/000100291026000013/q12026ex991earningsrelease.htm. Q2 2026: https://www.sec.gov/Archives/edgar/data/1002910/000100291026000020/q22026ex991earningsrelease.htm. Q3 2024 and Q4 2024 are the prior-year columns of the Q3 2025 and Q4 2025 tables.
| Period | Coal | Nuclear (Callaway) | Purchased power | Wind | Hydroelectric | Methane gas and solar | Natural gas |
|---|---|---|---|---|---|---|---|
| FY 2025 | 56.5 | 19.4 | 12.2 | 3.6 | 3.5 | 3 | 1.8 |
| FY 2024 | 50.5 | 29.1 | 11.3 | 4.4 | 3.5 | 0.2 | 1 |
| FY 2023 | 54.6 | 25.6 | 11.2 | 4.9 | 2.4 | 0.2 | 1.1 |
Source: Ameren Form 10-K for the year ended December 31, 2025, Operating Statistics, Source of Ameren Missouri energy supply (2025, 2024, and 2023). Callaway refueling cadence from Item 1 Fuel Supply. https://www.sec.gov/Archives/edgar/data/1002910/000100291026000009/aee-20251231.htm
| Item | Value |
|---|---|
| Coal | 3,344 |
| Natural gas CTs | 2,534 |
| Nuclear (Callaway) | 1,194 |
| Solar | 922 |
| Hydro and pumped storage | 823 |
| Wind | 699 |
| Oil and methane CTs | 226 |
Source: Ameren Form 10-K for the year ended December 31, 2025, Item 2 Properties, energy-center table of net megawatt capability at expected 2026 peak summer demand, and Callaway license and refueling discussion in Item 1. https://www.sec.gov/Archives/edgar/data/1002910/000100291026000009/aee-20251231.htm
| Period | Electric transmission and distribution | Natural gas transmission and distribution | Renewable generation | Coal generation | Nuclear generation (Callaway) | Natural gas generation |
|---|---|---|---|---|---|---|
| FY 2025 | 20.3 | 3.5 | 2.4 | 1.6 | 1.6 | 0.4 |
| FY 2024 | 18.5 | 3.3 | 2.4 | 1.6 | 1.5 | 0.4 |
| FY 2023 | 17.5 | 3.2 | 1.4 | 1.9 | 1.5 | 0.3 |
Source: Ameren Form 10-K for the year ended December 31, 2025, Operating Statistics, Rate Base Statistics at December 31 (2025, 2024, and 2023). https://www.sec.gov/Archives/edgar/data/1002910/000100291026000009/aee-20251231.htm