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Side-by-side financial comparison of Ameren (AEE) and OPAL Fuels Inc. (OPAL). Click either name above to swap in a different company.
Ameren is the larger business by last-quarter revenue ($1.8B vs $88.4M, roughly 20.2× OPAL Fuels Inc.). OPAL Fuels Inc. runs the higher net margin — 18.3% vs 14.2%, a 4.1% gap on every dollar of revenue. On growth, OPAL Fuels Inc. posted the faster year-over-year revenue change (18.7% vs -8.2%). OPAL Fuels Inc. produced more free cash flow last quarter ($-13.4M vs $-54.0M). Over the past eight quarters, OPAL Fuels Inc.'s revenue compounded faster (17.6% CAGR vs -0.9%).
Ameren Corporation, together with its subsidiaries, operates as a public utility holding company in the United States. It operates through four segments: Ameren Missouri, Ameren Illinois Electric Distribution, Ameren Illinois Natural Gas, and Ameren Transmission. The company engages in the rate-regulated electric generation, transmission, and distribution activities; and rate-regulated natural gas distribution and transmission businesses. It primarily generates electricity through coal, nucle...
OPAL Fuels Inc. is a North American energy company focused on producing and distributing low-carbon renewable natural gas (RNG). It captures methane from landfills, dairy operations and other organic waste streams to produce RNG, which is mainly supplied to heavy-duty transportation fleets, commercial logistics operators and public transport entities to help reduce their greenhouse gas emissions.
AEE vs OPAL — Head-to-Head
Income Statement — Q4 2025 vs Q4 2025
| Metric | | |
|---|---|---|
| Revenue | $1.8B | $88.4M |
| Net Profit | $253.0M | $16.2M |
| Gross Margin | — | — |
| Operating Margin | 20.2% | 7.5% |
| Net Margin | 14.2% | 18.3% |
| Revenue YoY | -8.2% | 18.7% |
| Net Profit YoY | 21.6% | 401.5% |
| EPS (diluted) | $0.92 | $0.08 |
Green = leading value per metric. Periods may differ when fiscal calendars don't align.
8-Quarter Revenue & Profit Trend
Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.
| Q4 25 | $1.8B | $88.4M | ||
| Q3 25 | $2.7B | $77.9M | ||
| Q2 25 | $2.2B | $77.4M | ||
| Q1 25 | $2.1B | $83.0M | ||
| Q4 24 | $1.9B | $74.5M | ||
| Q3 24 | $2.2B | $82.6M | ||
| Q2 24 | $1.7B | $69.8M | ||
| Q1 24 | $1.8B | $64.0M |
| Q4 25 | $253.0M | $16.2M | ||
| Q3 25 | $641.0M | $11.4M | ||
| Q2 25 | $277.0M | $7.6M | ||
| Q1 25 | $290.0M | $1.3M | ||
| Q4 24 | $208.0M | $-5.4M | ||
| Q3 24 | $457.0M | $17.1M | ||
| Q2 24 | $260.0M | $1.9M | ||
| Q1 24 | $262.0M | $677.0K |
| Q4 25 | 20.2% | 7.5% | ||
| Q3 25 | 30.6% | 4.6% | ||
| Q2 25 | 18.5% | -1.1% | ||
| Q1 25 | 20.5% | -2.3% | ||
| Q4 24 | 10.2% | -0.5% | ||
| Q3 24 | 27.0% | 14.9% | ||
| Q2 24 | 21.3% | 8.1% | ||
| Q1 24 | 20.4% | 5.6% |
| Q4 25 | 14.2% | 18.3% | ||
| Q3 25 | 23.7% | 14.6% | ||
| Q2 25 | 12.5% | 9.8% | ||
| Q1 25 | 13.8% | 1.5% | ||
| Q4 24 | 10.7% | -7.2% | ||
| Q3 24 | 21.0% | 20.7% | ||
| Q2 24 | 15.4% | 2.7% | ||
| Q1 24 | 14.4% | 1.1% |
| Q4 25 | $0.92 | $0.08 | ||
| Q3 25 | $2.35 | $0.05 | ||
| Q2 25 | $1.01 | $0.03 | ||
| Q1 25 | $1.07 | $-0.01 | ||
| Q4 24 | $0.77 | $-0.05 | ||
| Q3 24 | $1.70 | $0.09 | ||
| Q2 24 | $0.97 | $-0.01 | ||
| Q1 24 | $0.98 | $-0.01 |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest quarter.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | $13.0M | $24.4M |
| Total DebtLower is stronger | $19.4B | $361.3M |
| Stockholders' EquityBook value | $13.4B | $-12.9M |
| Total Assets | $48.5B | $959.5M |
| Debt / EquityLower = less leverage | 1.45× | — |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $13.0M | $24.4M | ||
| Q3 25 | $9.0M | $29.9M | ||
| Q2 25 | $11.0M | $29.3M | ||
| Q1 25 | $23.0M | $40.1M | ||
| Q4 24 | $7.0M | $24.3M | ||
| Q3 24 | $17.0M | $31.0M | ||
| Q2 24 | $19.0M | $27.6M | ||
| Q1 24 | $85.0M | $34.2M |
| Q4 25 | $19.4B | $361.3M | ||
| Q3 25 | — | $351.2M | ||
| Q2 25 | — | $331.6M | ||
| Q1 25 | — | $307.0M | ||
| Q4 24 | $17.8B | $307.5M | ||
| Q3 24 | — | $252.9M | ||
| Q2 24 | — | $233.3M | ||
| Q1 24 | — | $208.7M |
| Q4 25 | $13.4B | $-12.9M | ||
| Q3 25 | $12.8B | $7.5M | ||
| Q2 25 | $12.3B | $-25.0M | ||
| Q1 25 | $12.2B | $57.1M | ||
| Q4 24 | $12.1B | $-148.4M | ||
| Q3 24 | $11.8B | $-180.1M | ||
| Q2 24 | $11.5B | $-273.0M | ||
| Q1 24 | $11.4B | $-382.4M |
| Q4 25 | $48.5B | $959.5M | ||
| Q3 25 | $47.4B | $916.7M | ||
| Q2 25 | $46.6B | $905.5M | ||
| Q1 25 | $45.7B | $884.9M | ||
| Q4 24 | $44.6B | $881.1M | ||
| Q3 24 | $43.3B | $831.1M | ||
| Q2 24 | $42.3B | $782.3M | ||
| Q1 24 | $41.3B | $750.5M |
| Q4 25 | 1.45× | — | ||
| Q3 25 | — | 46.95× | ||
| Q2 25 | — | — | ||
| Q1 25 | — | 5.38× | ||
| Q4 24 | 1.47× | — | ||
| Q3 24 | — | — | ||
| Q2 24 | — | — | ||
| Q1 24 | — | — |
Cash Flow & Capital Efficiency
How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.
| Metric | | |
|---|---|---|
| Operating Cash FlowLast quarter | $956.0M | $-3.5M |
| Free Cash FlowOCF − Capex | $-54.0M | $-13.4M |
| FCF MarginFCF / Revenue | -3.0% | -15.1% |
| Capex IntensityCapex / Revenue | 56.7% | 11.1% |
| Cash ConversionOCF / Net Profit | 3.78× | -0.22× |
| TTM Free Cash FlowTrailing 4 quarters | $-775.0M | $-34.2M |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $956.0M | $-3.5M | ||
| Q3 25 | $1.1B | $18.2M | ||
| Q2 25 | $862.0M | $-7.9M | ||
| Q1 25 | $431.0M | $29.7M | ||
| Q4 24 | $817.0M | $-532.0K | ||
| Q3 24 | $897.0M | $17.7M | ||
| Q2 24 | $557.0M | $533.0K | ||
| Q1 24 | $492.0M | $13.7M |
| Q4 25 | $-54.0M | $-13.4M | ||
| Q3 25 | $116.0M | $-9.3M | ||
| Q2 25 | $-204.0M | $-29.7M | ||
| Q1 25 | $-633.0M | $18.1M | ||
| Q4 24 | $-473.0M | $-55.0M | ||
| Q3 24 | $-240.0M | $-5.4M | ||
| Q2 24 | $-445.0M | $-22.5M | ||
| Q1 24 | $-398.0M | $-13.0M |
| Q4 25 | -3.0% | -15.1% | ||
| Q3 25 | 4.3% | -11.9% | ||
| Q2 25 | -9.2% | -38.4% | ||
| Q1 25 | -30.2% | 21.8% | ||
| Q4 24 | -24.4% | -73.8% | ||
| Q3 24 | -11.0% | -6.5% | ||
| Q2 24 | -26.3% | -32.2% | ||
| Q1 24 | -21.9% | -20.4% |
| Q4 25 | 56.7% | 11.1% | ||
| Q3 25 | 36.6% | 35.3% | ||
| Q2 25 | 48.0% | 28.2% | ||
| Q1 25 | 50.7% | 13.9% | ||
| Q4 24 | 66.5% | 73.1% | ||
| Q3 24 | 52.3% | 27.9% | ||
| Q2 24 | 59.2% | 32.9% | ||
| Q1 24 | 49.0% | 41.8% |
| Q4 25 | 3.78× | -0.22× | ||
| Q3 25 | 1.72× | 1.60× | ||
| Q2 25 | 3.11× | -1.04× | ||
| Q1 25 | 1.49× | 23.11× | ||
| Q4 24 | 3.93× | — | ||
| Q3 24 | 1.96× | 1.03× | ||
| Q2 24 | 2.14× | 0.28× | ||
| Q1 24 | 1.88× | 20.26× |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
Revenue Breakdown by Segment
AEE
Segment breakdown not available.
OPAL
| Fuel Station Services Segment | $65.1M | 74% |
| Related Party | $12.1M | 14% |
| Renewable Power Segment | $8.6M | 10% |
| Other | $2.6M | 3% |
