---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-23-062114"
form_type: "8-K"
ticker: "MNTK"
cik: "0001826600"
company_name: "Montauk Renewables, Inc."
filed_at: "2023-11-09T23:59:59+00:00"
generated_at: "2026-06-08T07:31:21.442482+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Montauk Renewables Q3 net income up 15.6% to $12.9M; updates FY outlook, OKs NC project phase

## Summary
- Revenue $55.7M (-0.4% YoY); net income $12.9M (+15.6%); Adj. EBITDA $22.4M (+7.4%).
- RNG production 1.4M MMBtu (-4% YoY); realized D3 RIN price fell 12.6% to $3.05.
- Updated FY 2023 outlook: RNG revenue $155-160M, RNG production 5.7-5.8M MMBtu; Renewable electricity revenue $17.7-18.7M.
- Board approved first phase of NC project; capex $140-160M; first production expected staged from Q2 2024 through Q3 2025.
- At full phase, annual output of 190-200K MMBtu, 25-30K MWh, and 17-20K tons char soil enhancement.

## SEC filing metadata
- accession: 0000950170-23-062114
- form_type: 8-K
- ticker: MNTK
- cik: 0001826600
- company_name: Montauk Renewables, Inc.
- filed_at: 2023-11-09T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1826600/000095017023062114/0000950170-23-062114-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1826600/000095017023062114/mntk-20231109.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-23-062114
- JSON: https://secwatch.observer/filing/0000950170-23-062114.json
- Plain text: https://secwatch.observer/filing/0000950170-23-062114.txt

## Key facts
- Earnings Releases
  Montauk Renewables, Inc. reported the third quarter ended September 30, 2023 results: revenue $55.7 million, net income $12.9 million. Guidance lowered.
  - Period: the third quarter ended September 30, 2023
  - Revenue: $55.7 million
  - Net income: $12.9 million
  - Guidance: lowered
  - Result: reported results
  source text: of biogas into renewable natural gas (“RNG”), today announced financial results for the third quarter ended September 30, 2023. Third Quarter Financial Highlights: • Revenues of $55.7 million, decreased 0.3% as compared to the third quarter of 2022 • Net Income of $12.9 million, increased 15.6% as compared to the third quarter of 2022 • Non-GAAP Adjusted EBITDA of
  evidence_url: https://www.sec.gov/Archives/edgar/data/1826600/000095017023062114/0000950170-23-062114-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.