How Lower RIN Prices Weighed on Montauk Renewables’ 2025 Profitability

Montauk Renewables (NASDAQ:MNTK) is 1 of the best renewable vigor penny stocks to buy.

On March 11, 2026, Montauk Renewables reported full-year 2025 results showing gross of $176.4 million, fundamentally level from $175.7 cardinal successful 2024, arsenic a 29.0% driblet successful mean realized RIN pricing to $2.33 offset the stronger earthy state scale pricing, which roseate 51.1%, and higher RIN volumes sold. The institution sold 44.1 cardinal RINs successful 2025, up 20.5% twelvemonth implicit year, portion RNG accumulation accrued 1.0% to 5.6 cardinal MMBtu erstwhile adjusted for the prior-year merchantability of an RNG facility.

Profitability weakened. Net income fell 82.0% to $1.7 million, operating income dropped 94.7% to $0.9 million, and adjusted EBITDA declined 16.5% to $35.6 million. Management attributed the unit chiefly to higher operating and attraction costs astatine RNG facilities, including accrued inferior expense, preventative maintenance, wellfield operational enhancement programs, media change-outs, and disposal costs astatine Apex, Atascocita, Rumpke, and Raeger. Renewable energy operating and attraction disbursal besides rose, driven chiefly by non-capitalizable costs astatine the Montauk Ag Renewables project.

For 2026, Montauk expects RNG gross of $175 cardinal to $190 cardinal connected accumulation of 5.8 cardinal to 6.1 cardinal MMBtu. It besides guided for renewable energy gross of $35 cardinal to $41 cardinal and accumulation of 195 1000 to 207 1000 MWh, with the summation tied to the anticipated commercialized cognition of the Montauk Ag Renewables task successful North Carolina.

Montauk Renewables, Inc. (NASDAQ:MNTK) is simply a renewable vigor institution focused connected recovering biogas and converting it into renewable earthy state and renewable electricity. Headquartered successful Pittsburgh, the institution operates landfill methane-fueled projects crossed aggregate U.S. states.

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