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Ameren AEE Business Segments

Q1 '26Q4 '25Q3 '25Q2 '25Q1 '25
Revenue by Business
Ameren Illinois Electric Distribution$643M+15.9%$555M-20.6%$699M+22.0%$573M+0.2%$572M+9.6%
Ameren Illinois Natural Gas$436M$117M-25.9%$158M-61.6%$411M
Ameren Illinois Transmission$164M+5.8%$155M-11.9%$176M+15.8%$152M-1.3%$154M+8.5%
Ameren Transmission$227M+11.3%$204M-15.0%$240M+15.4%$208M-1.0%$210M+7.7%
Union Electric Company-$10M-25.0%-$8M+11.1%-$9M-12.5%-$8M-14.3%-$7M+12.5%
External revenues by Business
Ameren Illinois Electric Distribution$643M$699M+22.0%$573M+0.2%$572M
Ameren Illinois Natural Gas$436M$117M-25.9%$158M-61.6%$411M
Ameren Illinois Transmission$120M$130M+16.1%$112M-4.3%$117M
Ameren Transmission$177M$188M+16.8%$161M-3.0%$166M
Union Electric Company$920M+17.2%$785M-53.7%$1.7B+27.3%$1.33B+40.2%$950M-3.1%
Other Income, Net by Business
Ameren Illinois Electric Distribution$19M-17.4%$23M+15.0%$20M-13.0%$23M0.0%$23M-8.0%
Ameren Illinois Natural Gas$3M$4M-20.0%$5M0.0%$5M
Ameren Illinois Transmission$7M0.0%$7M+16.7%$6M-33.3%$9M+50.0%$6M-40.0%
Ameren Transmission$7M-30.0%$10M+433%-$3M-130%$10M+42.9%$7M-41.7%
Union Electric Company$53M+17.8%$45M0.0%$45M-4.3%$47M+9.3%$43M-17.3%
Other revenues not from contracts with customers by Business
Ameren Illinois Electric Distribution$3M$3M-40.0%$5M+66.7%$3M
Ameren Illinois Natural Gas$1M$0-100%$1M0.0%$1M
Ameren Illinois Transmission$0$0$0$0
Ameren Transmission$0$0$0$0
Union Electric Company$2M+100%$1M-50.0%$2M0.0%$2M+100%$1M-66.7%
Net Income Available to Common Shareholder by Business
Ameren Illinois Electric Distribution$66M$57M-10.9%$64M+1.6%$63M
Ameren Illinois Natural Gas$122M-$13M-230%$10M-90.7%$108M
Ameren Illinois Transmission$68M$104M+65.1%$63M-3.1%$65M
Ameren Transmission$98M$151M+75.6%$86M-3.4%$89M
Union Electric Company$76M$518M+245%$150M+257%$42M
Taxes other than income taxes by Business
Ameren Illinois Electric Distribution$22M+15.8%$19M-13.6%$22M+10.0%$20M-4.8%$21M+16.7%
Ameren Illinois Natural Gas$29M$15M-6.3%$16M-44.8%$29M
Ameren Illinois Transmission$1M-50.0%$2M+100%$1M0.0%$1M0.0%$1M
Ameren Transmission$2M0.0%$2M-33.3%$3M0.0%$3M+200%$1M-66.7%
Union Electric Company$95M+2.2%$93M-23.8%$122M+37.1%$89M0.0%$89M+4.7%
Revenues from alternative revenue programs by Business
Ameren Illinois Electric Distribution$46M-$187M-2,238%-$8M-138%$21M
Ameren Illinois Natural Gas$17M-$10M-1,100%$1M-66.7%$3M
Ameren Illinois Transmission-$3M$0+100%-$12M-71.4%-$7M-600%-$1M-105%
Ameren Transmission-$4M+20.0%-$5M+58.3%-$12M-50.0%-$8M-700%-$1M-105%
Union Electric Company-$3M-200%-$1M$0-100%$1M+120%-$5M-145%
Income Taxes by Business
Ameren Illinois Electric Distribution$24M$19M+46.2%$13M-18.8%$16M
Ameren Illinois Natural Gas$44M-$4M-233%$3M-92.1%$38M
Ameren Illinois Transmission$23M$2M-92.0%$25M+13.6%$22M
Ameren Transmission$32M-$16M-148%$33M+6.5%$31M
Union Electric Company$3M$0-100%$32M+357%$7M+75.0%$4M+105%
Natural gas purchased for resale by Business
Ameren Illinois Electric Distribution$0$0$0$0$0
Ameren Illinois Natural Gas$137M$19M-36.7%$30M-78.4%$139M
Ameren Illinois Transmission$0$0$0$0
Ameren Transmission$0$0$0$0$0
Union Electric Company$34M+70.0%$20M+233%$6M-33.3%$9M-70.0%$30M+57.9%
Interest Income by Business
Ameren Illinois Electric Distribution$6M$6M-25.0%$8M0.0%$8M
Ameren Illinois Natural Gas$0$0$0$0
Ameren Illinois Transmission$0$1M$0-100%$1M
Ameren Transmission$0$1M$0-100%$1M
Union Electric Company$3M+50.0%$2M-33.3%$3M+50.0%$2M0.0%$2M+100%
Other operations and maintenance by Business
Ameren Illinois Electric Distribution$160M-1.8%$163M-4.7%$171M+9.6%$156M-6.0%$166M-0.6%
Ameren Illinois Natural Gas$57M$55M0.0%$55M0.0%$55M
Ameren Illinois Transmission$15M+25.0%$12M-20.0%$15M+7.1%$14M-6.7%$15M+7.1%
Ameren Transmission$19M+5.6%$18M-5.3%$19M+5.6%$18M-5.3%$19M+18.8%
Union Electric Company$264M-6.0%$281M+8.1%$260M+9.2%$238M-4.8%$250M-4.2%
Preferred Stock Dividends by Business
Ameren Illinois Electric Distribution$0$0$0-100%$1M$0
Ameren Illinois Natural Gas$0$0$0$0
Ameren Transmission$0-100%$1M$0$0$0-100%
Union Electric Company$1M$0-100%$1M0.0%$1M0.0%$1M
Interest Charges by Business
Ameren Illinois Electric Distribution$28M$28M+7.7%$26M0.0%$26M
Ameren Illinois Natural Gas$16M$16M0.0%$16M+6.7%$15M
Ameren Illinois Transmission$24M$23M+9.5%$21M0.0%$21M
Ameren Transmission$30M$31M+6.9%$29M0.0%$29M
Union Electric Company$82M0.0%$82M-3.5%$85M+21.4%$70M+16.7%$60M+5.3%
Fuel and purchased power by Business
Ameren Illinois Electric Distribution$266M$330M+48.0%$223M+5.2%$212M
Ameren Illinois Natural Gas$0$0$0$0
Ameren Transmission$0$0$0$0
Union Electric Company$214M+100%$107M-78.0%$487M-20.7%$614M+86.1%$330M-13.6%
Cost, Depreciation, Amortization and Depletion by Business
Ameren Illinois Electric Distribution$96M$92M-1.1%$93M+2.2%$91M
Ameren Illinois Natural Gas$34M$33M0.0%$33M+3.1%$32M
Ameren Illinois Transmission$40M$37M0.0%$37M+2.8%$36M
Ameren Transmission$53M$49M0.0%$49M+2.1%$48M
Union Electric Company$214M-1.8%$218M-8.8%$239M+14.4%$209M+7.7%$194M-34.0%
CapEx by Business
Ameren Illinois Electric Distribution$196M+28.9%$152M-6.7%$163M+6.5%$153M-8.4%$167M+50.5%
Ameren Illinois Natural Gas$72M$78M-11.4%$88M+49.2%$59M
Ameren Illinois Transmission$120M-16.7%$144M0.0%$144M+4.3%$138M+0.7%$137M-32.5%
Ameren Transmission$204M-3.8%$212M+21.8%$174M+10.1%$158M-8.7%$173M-28.8%
Union Electric Company$1.09B+73.4%$629M+14.8%$548M-17.8%$667M+1.4%$658M-24.6%
Purchased Power by Business
Ameren Illinois Electric Distribution$266M+51.1%$176M-46.7%$330M+48.0%$223M+5.2%$212M+20.5%
Ameren Illinois Natural Gas$0$0$0$0
Ameren Illinois Transmission$0$0$0$0
Revenue by Product
Electric$289M+131%$125M-72.5%$455M-30.5%$655M+95.5%$335M-26.4%
Electricity$1.66B+14.9%$1.45B-43.6%$2.56B+25.8%$2.04B+25.6%$1.62B+0.1%
Natural gas$515M+52.8%$337M+148%$136M-25.7%$183M-61.5%$475M+48.0%
External revenues by Product
Electric$1.66B+14.9%$1.45B-43.6%$2.56B+25.8%$2.04B+25.6%$1.62B+0.1%
Natural gas$515M+52.8%$337M+148%$136M-25.7%$183M-61.5%$475M+48.0%

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Questions, answered.

How does Ameren break its business down?
Ameren (AEE) reports revenue by business across 5 parts — Ameren Illinois Electric Distribution, Ameren Illinois Natural Gas, Ameren Illinois Transmission, Ameren Transmission and Union Electric Company. Each is extracted from the segment footnotes and tracked over time.
Where does Ameren's segment data come from?
Segment breakdowns are pulled from the segment footnotes in Ameren's SEC filings (the XBRL dimensional tags), so every line ties back to a reported figure. Switch between quarterly, annual, and TTM, or open any segment for its full history.