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Side-by-side financial comparison of AES Corporation (AES) and Montauk Renewables, Inc. (MNTK). Click either name above to swap in a different company.
AES Corporation is the larger business by last-quarter revenue ($3.1B vs $43.4M, roughly 71.5× Montauk Renewables, Inc.). AES Corporation runs the higher net margin — 10.3% vs 5.7%, a 4.6% gap on every dollar of revenue. On growth, Montauk Renewables, Inc. posted the faster year-over-year revenue change (56.7% vs 4.7%). Montauk Renewables, Inc. produced more free cash flow last quarter ($-41.1M vs $-47.0M). Over the past eight quarters, Montauk Renewables, Inc.'s revenue compounded faster (5.8% CAGR vs 0.3%).
The AES Corporation is an American utility and power generation company. It owns and operates power plants, which it uses to generate and sell electricity to end users and intermediaries like utilities and industrial facilities. AES, headquartered in Arlington, Virginia, is one of the world's leading power companies, generating and distributing electric power in 15 countries and employing 10,500 people worldwide. AES Corporation is a global Fortune 500 power company.
Montauk Renewables, Inc. is a US-based renewable energy firm specializing in capturing and converting biogenic methane from landfills and agricultural waste into renewable natural gas (RNG) and low-carbon electricity. It serves utility, commercial, and industrial customers across North America, with operations focused on advancing decarbonization and sustainable energy transition goals.
AES vs MNTK — Head-to-Head
Income Statement — Q4 2025 vs Q4 2025
| Metric | | |
|---|---|---|
| Revenue | $3.1B | $43.4M |
| Net Profit | $320.0M | $2.5M |
| Gross Margin | 18.8% | — |
| Operating Margin | -8.7% | -3.8% |
| Net Margin | 10.3% | 5.7% |
| Revenue YoY | 4.7% | 56.7% |
| Net Profit YoY | -42.9% | 129.5% |
| EPS (diluted) | $0.45 | $0.01 |
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 | $3.1B | $43.4M | ||
| Q3 25 | $3.4B | $45.3M | ||
| Q2 25 | $2.9B | $45.1M | ||
| Q1 25 | $2.9B | $42.6M | ||
| Q4 24 | $3.0B | $27.7M | ||
| Q3 24 | $3.3B | $65.9M | ||
| Q2 24 | $2.9B | $43.3M | ||
| Q1 24 | $3.1B | $38.8M |
| Q4 25 | $320.0M | $2.5M | ||
| Q3 25 | $639.0M | $5.2M | ||
| Q2 25 | $-95.0M | $-5.5M | ||
| Q1 25 | $46.0M | $-464.0K | ||
| Q4 24 | $560.0M | $-8.5M | ||
| Q3 24 | $502.0M | $17.0M | ||
| Q2 24 | $185.0M | $-712.0K | ||
| Q1 24 | $432.0M | $1.9M |
| Q4 25 | 18.8% | — | ||
| Q3 25 | 21.9% | — | ||
| Q2 25 | 15.9% | — | ||
| Q1 25 | 15.1% | — | ||
| Q4 24 | 14.2% | — | ||
| Q3 24 | 22.0% | 43.8% | ||
| Q2 24 | 18.8% | 15.6% | ||
| Q1 24 | 20.1% | 22.8% |
| Q4 25 | -8.7% | -3.8% | ||
| Q3 25 | 9.8% | 9.8% | ||
| Q2 25 | 1.4% | -5.2% | ||
| Q1 25 | -0.8% | 1.0% | ||
| Q4 24 | 12.3% | -35.5% | ||
| Q3 24 | 10.0% | 34.4% | ||
| Q2 24 | -2.6% | 2.0% | ||
| Q1 24 | 9.0% | 6.1% |
| Q4 25 | 10.3% | 5.7% | ||
| Q3 25 | 19.1% | 11.5% | ||
| Q2 25 | -3.3% | -12.2% | ||
| Q1 25 | 1.6% | -1.1% | ||
| Q4 24 | 18.9% | -30.5% | ||
| Q3 24 | 15.3% | 25.9% | ||
| Q2 24 | 6.3% | -1.6% | ||
| Q1 24 | 14.0% | 4.8% |
| Q4 25 | $0.45 | $0.01 | ||
| Q3 25 | $0.89 | $0.04 | ||
| Q2 25 | $-0.15 | $-0.04 | ||
| Q1 25 | $0.07 | $0.00 | ||
| Q4 24 | $0.78 | $-0.05 | ||
| Q3 24 | $0.71 | $0.12 | ||
| Q2 24 | $0.27 | $-0.01 | ||
| Q1 24 | $0.60 | $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 | $1.6B | $23.8M |
| Total DebtLower is stronger | — | $126.0M |
| Stockholders' EquityBook value | $4.1B | $263.1M |
| Total Assets | $51.8B | $435.5M |
| Debt / EquityLower = less leverage | — | 0.48× |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $1.6B | $23.8M | ||
| Q3 25 | $1.8B | $6.8M | ||
| Q2 25 | $1.4B | $29.1M | ||
| Q1 25 | $1.8B | $40.1M | ||
| Q4 24 | $1.6B | $45.6M | ||
| Q3 24 | $2.0B | $55.0M | ||
| Q2 24 | $1.8B | $42.3M | ||
| Q1 24 | $2.4B | $63.3M |
| Q4 25 | — | $126.0M | ||
| Q3 25 | — | $54.9M | ||
| Q2 25 | — | $57.8M | ||
| Q1 25 | — | $40.8M | ||
| Q4 24 | — | $43.8M | ||
| Q3 24 | — | $46.7M | ||
| Q2 24 | — | $49.7M | ||
| Q1 24 | — | $52.7M |
| Q4 25 | $4.1B | $263.1M | ||
| Q3 25 | $3.9B | $260.7M | ||
| Q2 25 | $3.4B | $254.7M | ||
| Q1 25 | $3.5B | $258.2M | ||
| Q4 24 | $3.6B | $257.4M | ||
| Q3 24 | $3.3B | $275.3M | ||
| Q2 24 | $3.1B | $255.3M | ||
| Q1 24 | $2.9B | $254.3M |
| Q4 25 | $51.8B | $435.5M | ||
| Q3 25 | $50.8B | $383.3M | ||
| Q2 25 | $48.5B | $382.5M | ||
| Q1 25 | $48.6B | $354.2M | ||
| Q4 24 | $47.4B | $349.0M | ||
| Q3 24 | $50.1B | $374.1M | ||
| Q2 24 | $47.7B | $362.0M | ||
| Q1 24 | $47.0B | $354.7M |
| Q4 25 | — | 0.48× | ||
| Q3 25 | — | 0.21× | ||
| Q2 25 | — | 0.23× | ||
| Q1 25 | — | 0.16× | ||
| Q4 24 | — | 0.17× | ||
| Q3 24 | — | 0.17× | ||
| Q2 24 | — | 0.19× | ||
| Q1 24 | — | 0.21× |
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 | $1.5B | $337.0K |
| Free Cash FlowOCF − Capex | $-47.0M | $-41.1M |
| FCF MarginFCF / Revenue | -1.5% | -94.7% |
| Capex IntensityCapex / Revenue | 49.5% | 95.5% |
| Cash ConversionOCF / Net Profit | 4.65× | 0.14× |
| TTM Free Cash FlowTrailing 4 quarters | $-1.6B | $-86.2M |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $1.5B | $337.0K | ||
| Q3 25 | $1.3B | $12.7M | ||
| Q2 25 | $976.0M | $8.2M | ||
| Q1 25 | $545.0M | $9.1M | ||
| Q4 24 | $1.1B | $724.0K | ||
| Q3 24 | $985.0M | $28.6M | ||
| Q2 24 | $392.0M | $193.0K | ||
| Q1 24 | $287.0M | $14.3M |
| Q4 25 | $-47.0M | $-41.1M | ||
| Q3 25 | $-511.0M | $-17.2M | ||
| Q2 25 | $-356.0M | $-25.5M | ||
| Q1 25 | $-709.0M | $-2.5M | ||
| Q4 24 | $-639.0M | $-8.3M | ||
| Q3 24 | $-847.0M | $16.0M | ||
| Q2 24 | $-1.3B | $-18.6M | ||
| Q1 24 | $-1.9B | $-7.7M |
| Q4 25 | -1.5% | -94.7% | ||
| Q3 25 | -15.2% | -37.9% | ||
| Q2 25 | -12.5% | -56.4% | ||
| Q1 25 | -24.2% | -5.8% | ||
| Q4 24 | -21.6% | -29.8% | ||
| Q3 24 | -25.8% | 24.3% | ||
| Q2 24 | -43.9% | -42.9% | ||
| Q1 24 | -60.3% | -19.8% |
| Q4 25 | 49.5% | 95.5% | ||
| Q3 25 | 54.0% | 65.9% | ||
| Q2 25 | 46.7% | 74.6% | ||
| Q1 25 | 42.9% | 27.3% | ||
| Q4 24 | 58.3% | 32.5% | ||
| Q3 24 | 55.7% | 19.1% | ||
| Q2 24 | 57.3% | 43.3% | ||
| Q1 24 | 69.6% | 56.7% |
| Q4 25 | 4.65× | 0.14× | ||
| Q3 25 | 2.03× | 2.43× | ||
| Q2 25 | — | — | ||
| Q1 25 | 11.85× | — | ||
| Q4 24 | 1.94× | — | ||
| Q3 24 | 1.96× | 1.68× | ||
| Q2 24 | 2.12× | — | ||
| Q1 24 | 0.66× | 7.73× |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
Revenue Breakdown by Segment
AES
| Electric Distribution | $1.0B | 33% |
| Regulated Revenue | $1.0B | 33% |
| Renewables | $786.0M | 25% |
| AES Andes | $225.0M | 7% |
| Corporate Other And Other | $38.0M | 1% |
| Other Expense | $10.0M | 0% |
MNTK
| Natural Gas Environmental Attributes | $28.1M | 65% |
| Natural Gas Commodity | $10.7M | 25% |
| Electric Commodity | $2.7M | 6% |
| Electric Environmental Attributes | $2.0M | 5% |
