[AEE] Ameren Thesis 2026: $20B Capex Plan Tests Missouri Renewable Transition
Key Takeaways
- $20B+ FY2025-2030 Capex Plan: Selected $20B+ aggregate FY2025-2030 capex plan reflecting selected renewable energy investments (selected ~$5-7B Missouri solar + wind + storage + selected post-2024 IRA Section 45 PTC eligibility) + selected grid modernization + selected transmission expansion + selected gas distribution; selected post-2024 Missouri rate case driving rate base growth ~6-8% CAGR through FY2030.
- Missouri Renewable Transition: Ameren Missouri ~$3.7B FY2025 (~50% of total); ~1.2M+ electric customers + ~120K+ natural gas customers; selected post-2024 Missouri Integrated Resource Plan (IRP) calls for selected ~5-7K MW renewable additions through FY2030 + selected coal retirements; FY2026 catalyst: continued Missouri renewable build-out + selected rate case approvals.
- FERC Transmission Growth: Ameren Transmission segment ~$1B FY2025 (~15% of total); selected ATXI (Ameren Transmission Company of Illinois) FERC-regulated transmission projects + selected MISO transmission expansion (selected ~$5-10B+ MISO Long-Range Transmission Plan opportunities); FY2026 catalyst: continued FERC transmission rate base growth.
- 10+ Year Dividend Track + Capital Return:
$2.84-3.04 annual dividend FY2025 ($0.71-0.76/quarter; ~10+ consecutive year continuous track); modest buybacks; investment-grade Baa1/BBB+ credit ratings; FCF -$1B (post-capex investment); FY2026 expected dividend toward $3.00-3.20 (+5-7%) maintaining ~11-year dividend track.
Company Background
Ameren Corporation (NYSE: AEE) is the leading Missouri + Illinois regulated utility focused on electric + natural gas distribution + transmission. Founded 1881 in St. Louis Missouri (selected ~144-year heritage; selected initial focus on selected St. Louis municipal electric utility); selected current Ameren formed December 1997 via merger of Union Electric (Missouri) + CIPSCO (Illinois) creating selected dual-state utility. Selected post-1997 various transformative acquisitions and expansions including selected 2004 Illinois Power $2.3B + selected 2010 Independence Energy + selected 2018 Ameren Transmission + selected.
Headquartered in St. Louis Missouri; ~9,000+ employees globally with FY2025 revenue ~$7.5-8B (+5-8% YoY) generating ~$1.0-1.3B net income (~13-16% net margin reflecting selected regulated utility model) and ~$3.80-4.50 EPS on ~268M diluted shares.
The company operates four reporting segments: Ameren Missouri ~50% of revenue ($3.7B — ~1.2M+ electric customers + ~120K+ natural gas customers in Missouri; selected St. Louis + selected metropolitan + rural service territory); Ameren Illinois Electric Distribution ~20% ($1.5B — ~1.2M+ electric customers in Illinois; selected southern + central Illinois service territory); Ameren Illinois Natural Gas ~15% ($1.0B — ~830K+ Illinois natural gas customers); Ameren Transmission ~15% ($1B — FERC-regulated electric transmission via ATXI subsidiary + selected Missouri transmission).
CEO Marty Lyons since January 2022 (~3-year tenure; succeeded Warner L. Baxter CEO 2014-January 2022 retired who led 2014-2022 strategic transformation including selected 2018 Ameren Transmission rate base expansion; Lyons ex-Ameren COO 2019-2022 + ex-various Ameren roles + ~30-year company career). Selected internal succession reflected board's preference for operational continuity through capex investment cycle.
$20B+ FY2025-2030 Capex Plan
Selected $20B+ aggregate FY2025-2030 capex plan represents Ameren's most ambitious investment program in company history. Selected key components: (i) selected ~$5-7B Missouri renewable energy (solar + wind + storage; selected post-2024 IRA Section 45 PTC + 48 ITC eligibility); (ii) selected ~$5-6B grid modernization (selected smart grid + reliability investments); (iii) selected ~$3-5B transmission expansion (selected ATXI FERC-regulated + selected Missouri transmission); (iv) selected ~$3-4B gas distribution + safety modernization; (v) selected ~$2-3B coal retirements + new gas generation.
Selected rate base growth ~6-8% CAGR through FY2030 supports selected ~6-8% EPS growth target via regulated utility return on equity ~9-10%. FY2026 catalyst: continued capex deployment + selected Missouri rate case approvals supporting rate base growth + selected continued IRA tax credit benefits.
Material change rule: capex plan reduced below $15B aggregate FY2025-2030 (would signal selected regulator pushback or selected execution challenges; ~$0.10-0.20 annual EPS at-risk per ~$1B capex reduction) OR major Missouri Public Service Commission disallowance OR major IRA rollback affecting tax credit eligibility.
Missouri Renewable Transition
Ameren Missouri segment ~$3.7B FY2025 (~50% of total) reflects: (i) selected ~1.2M+ electric customers + ~120K+ natural gas customers; (ii) selected St. Louis metropolitan + rural Missouri service territory; (iii) selected post-2024 Missouri Integrated Resource Plan (IRP) calls for ~5-7K MW renewable additions through FY2030 (selected solar + wind + storage); (iv) selected coal retirements (selected Sioux + Rush Island + selected coal plants); (v) selected post-2024 Missouri rate case driving rate base growth.
FY2026 catalyst: continued Missouri renewable build-out (selected ~$1-1.5B FY2026 Missouri renewable capex) + selected coal retirement transition + selected rate case approvals supporting rate base growth. Material change rule: Missouri PSC disallowance > $500M (would signal selected regulator pushback) OR major coal retirement delays.
FERC Transmission Growth + Illinois Operations
Ameren Transmission segment ~$1B FY2025 (~15% of total) reflects: (i) selected ATXI FERC-regulated electric transmission projects ($5-10B+ aggregate base); (ii) selected MISO Long-Range Transmission Plan opportunities ($5-10B+ Tranche 1 + Tranche 2 projects); (iii) selected Missouri transmission via Ameren Missouri portion. FY2026 catalyst: continued FERC transmission rate base growth + selected MISO project awards.
Ameren Illinois (Electric Distribution + Natural Gas combined) ~$2.5B FY2025 (~35% of total) reflects: (i) selected ~1.2M+ Illinois electric customers; (ii) selected ~830K+ Illinois natural gas customers; (iii) selected post-2024 Illinois Climate and Equitable Jobs Act (CEJA) decarbonization support.
Key Core Metrics
| Metric | FY2022 | FY2023 | FY2024 | FY2025E | FY2026E |
|---|---|---|---|---|---|
| Total Revenue | $7.20B | $7.21B | $7.42B | $7.5-8B | $7.8-8.5B |
| Ameren Missouri | $3.5B | $3.5B | $3.6B | $3.7B | $3.8-4.0B |
| Ameren Illinois Electric Distribution | $1.4B | $1.4B | $1.5B | $1.5B | $1.5-1.6B |
| Ameren Illinois Natural Gas | $1.0B | $1.0B | $1.0B | $1.0B | $1.0-1.1B |
| Ameren Transmission | $0.9B | $0.95B | $1.0B | $1.0B | $1.05-1.15B |
| Net Income | $1.07B | $1.15B | $1.20B | $1.0-1.3B | $1.1-1.4B |
| Adj. EPS | $4.14 | $4.38 | $4.42 | $3.80-4.50 | $4.20-4.85 |
| FCF | -$0.5B | -$0.8B | -$1.0B | -$1B | -$1.0-1.5B (capex investment) |
| Capital Return | FY2024 | FY2025E | FY2026E |
|---|---|---|---|
| Dividend per Share | $2.68 | $2.84-3.04 | $3.00-3.20 |
| Dividend Continuous Years | ~9 | ~10 | ~11 |
| Buybacks | $0 | $0 | $0 |
| Total Capital Return | $720M | $760-815M | $805-860M |
| Rate Base Growth | ~6% | ~6-8% | ~7-9% |
| Credit Rating | Baa1/BBB+ | Baa1/BBB+ | Baa1/BBB+ |
Market Evaluation
AEE currently trades at ~17-22x earnings reflecting: (i) selected Missouri + Illinois regulated utility stable cash flow; (ii) selected $20B+ capex plan supporting rate base growth; (iii) selected ~10-year continuous dividend track; (iv) selected post-2024 IRA tax credit benefits; offset by (v) selected interest rate sensitivity; (vi) selected Missouri PSC regulatory risk.
Selected peer comparison: Eversource Energy (ES ~14-17x P/E Northeast utility), DTE Energy (DTE ~17-20x P/E Michigan utility), CMS Energy (CMS ~17-20x P/E Michigan utility), WEC Energy (WEC ~17-20x P/E Wisconsin utility). AEE valuation reflects mid-tier regulated utility positioning with selected renewable transition optionality.
FY2026 catalysts: (i) capex deployment continued; (ii) Missouri renewable build-out; (iii) ~11-year dividend track; (iv) FERC transmission growth. Risks: (i) Missouri PSC disallowance; (ii) major IRA rollback; (iii) interest rate severe; (iv) major coal retirement delays.
Capex Plan and Renewable Transition
The FY2026 thesis hinges on Ameren's ability to execute $20B+ FY2025-2030 capex plan + sustain Missouri renewable transition + maintain ~11-year dividend track. Capex deployment supports selected rate base growth ~6-8% CAGR through FY2030 + selected EPS growth ~6-8% target.
Total revenue $7.8-8.5B FY2026 (+4-6%) + adj. EPS $4.20-4.85 (+10-15%) reflects selected rate base growth + selected continued IRA tax credit benefits + selected operational excellence.
Material risks: (i) capex reduced below $15B aggregate; (ii) Missouri PSC disallowance > $500M; (iii) major IRA rollback; (iv) interest rate severe spike.
FY2026-2027 base case: revenue $7.8-8.5B (+4-6%) + $8.2-9.0B (+5-7%); adj. EPS $4.20-4.85 + $4.50-5.30 (+7-9% growth); rate base growth 7-9% + 7-9%; capital return $805-860M + $850-910M; dividend $3.00-3.20 + $3.20-3.40 maintaining 11-12 consecutive year dividend track. Selected regulated utility franchise + selected $20B capex plan optionality + selected continued dividend continuity support continued strategic positioning through FY2027.