Montauk Renewables, Inc.

Montauk Renewables, Inc. develops, owns, and operates renewable natural gas and renewable electricity projects that convert biogas from landfills and other non-fossil sources into usable energy. The company monetizes both the underlying fuel and the environmental attributes it creates, such as RINs and RECs, across transportation and power markets.

17,5 %

1,0 %

+0,4 %

1.11

1.11

— Montauk Renewables, Inc.
%
Renewable Natural Gas80% RNG projects recover and process biogas into pipeline-quality fuel for transportation and other end uses.
Renewable Electricity Generation10% Electricity projects convert biogas into power and sell output under fixed-price PPAs.
Environmental Attributes10% Credits and certificates such as RINs, LCFS credits, and RECs generated alongside renewable fuel and power.

Montauk sells RNG and related environmental attributes to fuel marketers, refiners, and other counterparties that need...

  • RNG offtake and credit counterpartiesprimary

    Buy RNG volumes and associated RIN/LCFS value to satisfy fuel and compliance needs.

  • Electricity utilitiesprimary

    Purchase renewable electricity and RECs under fixed-price PPAs for grid supply and renewable targets.

  • Environmental attribute buyersprimary

    Acquire RINs and other credits generated from renewable fuel production.

  • Project partners and landfill ownerssecondary

    Partner on site access, gas rights, and project development to enable biogas capture and monetization.

Montauk operates projects across seven U.S. states, with a portfolio built through self-development, partnerships, and...

  • •Operations span seven U.S. states across landfill and dairy gas sites
  • •Project siting depends on access to biogas feedstock and interconnection
  • •RNG economics are influenced by U.S. federal and state credit markets
  • •Electricity projects sell under fixed-price PPAs to U.S. utilities
  • •Secondary listing on the Johannesburg Stock Exchange under ticker MKR

Montauk’s strategy is to expand its RNG and renewable electricity portfolio through development, acquisitions, and...

01
Expand RNG project pipelinemedium-term

RNG is the core growth engine and the main source of environmental attribute monetization.

02
Improve operating reliability and maintenance executionshort-term

Higher uptime and lower downtime directly support production volumes and cash flow.

03
Secure and renew commercial pathways for credits and offtakeshort-term

Revenue depends on continued access to RIN, LCFS, and PPA monetization channels.

Montauk’s results depend on stable biogas production, project uptime, and continued access to environmental credit...

high

Production shortfalls at RNG and electricity projects

Revenue depends on continuous biogas capture, processing, and power generation.

Scope
Landfill gas systems, interconnection, severe weather, equipment reliability
Materiality
high
high

Environmental credit and commodity price volatility

A large share of revenue comes from RINs, LCFS credits, and indexed energy pricing.

Scope
RIN market, regulatory changes, gas and power pricing
Materiality
high
high

Customer concentration

A limited number of buyers account for a substantial portion of operating revenue and receivables.

Scope
Valero, ExxonMobil, Mercuria, GE Warren, City of Anaheim
Materiality
high
medium

Cybersecurity and IT disruption

Operations rely on connected systems for maintenance, reporting, and project control.

Scope
ERP, operational technology, data security, third-party infrastructure
Materiality
medium
medium

Asset impairment and project execution

Capital-intensive sites can lose value if cash flows or development assumptions weaken.

Scope
Operating sites, development projects, long-lived assets
Materiality
medium
Revenue recognition for RNG and environmental attributes
Can shift reported revenue between periods and affect gross margin comparability
Impairment of long-lived assets
Can create non-cash charges when projects underperform or are reconfigured
Lease accounting
Affects balance sheet liabilities and future cash commitment disclosure
Contractual obligations and royalty arrangements
Influences operating cost visibility and cash flow sensitivity

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: 28/04/2026