What is Montauk Renewables's capex?

Montauk Renewables (MNTK) reported capex of $30.87M in Q1 2026.

How has Montauk Renewables's capex changed year-over-year?

Montauk Renewables's capex increased by 165.4% year-over-year, from $11.63M to $30.87M.

What is the long-term trend for Montauk Renewables's capex?

Over 4 years (2021 to 2025), Montauk Renewables's capex has grown at a 84.8% compound annual growth rate (CAGR), from $9.99M to $116.54M.

What does capex mean?

Cash spent on property, plant, and equipment — the primary measure of investment in productive capacity and infrastructure.

Montauk Renewables MNTK CapEx

CapEx at other companies

Clean Energy FuelsCLNE

$6.89M-8.0%

GevoGEVO

$8.88M+52.1%

AmerescoAMRC

$542K+28.4%

OPA

OPAL Fuels Inc.OPAL

$24.37M+111%

Clearway Energy, Inc.CWEN

$75M+33.9%

MDU Resources GroupMDU

$92.41M-0.7%

Segments

By segment

See full

Renewable Natural Gas$2.57M-66.1%

Other financials

Income statement

See full

Revenue$46.4M+9.0%

Operating income-$1.6M-490%

Net income$5.0K+101%

EPS (diluted)$0.00—

Balance sheet

See full

Cash & equivalents$25.9M-35.3%

Total debt$158.0M+164%

Total equity$263.8M+2.2%

Total assets$467.8M+32.1%

Cash flow

See full

Operating cash flow$15.8M+73.4%

Free cash flow-$15.0M-503%

Valuation

See full

Market cap$222.05M-26.2%

Enterprise value$354.11M-0.3%

P/E100.2×—

P/S1.2×-0.4×

Profitability

See full

Operating margin17.1%+3.2pp

Net margin1.2%—

FCF margin-54.8%—

Returns & leverage

See full

Return on equity0.8%—

Debt / equity0.6×+0.4×

Current ratio0.9×-0.4×

Where this comes from

Reported directly by Montauk Renewables in its filing.

Tagged under the XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment.

The official record: Montauk Renewables’s 10-Q, filed May 6, 2026, on SEC EDGAR. View the filing →

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Questions, answered.

What is Montauk Renewables's capex?: Montauk Renewables (MNTK) reported capex of $30.87M in Q1 2026.
How has Montauk Renewables's capex changed year-over-year?: Montauk Renewables's capex increased by 165.4% year-over-year, from $11.63M to $30.87M.
What is the long-term trend for Montauk Renewables's capex?: Over 4 years (2021 to 2025), Montauk Renewables's capex has grown at a 84.8% compound annual growth rate (CAGR), from $9.99M to $116.54M.
What does capex mean?: Cash spent on property, plant, and equipment — the primary measure of investment in productive capacity and infrastructure.