Biogas push gathers pace in US energy sector

BP, Clean Energy Fuels, and Ameresco accelerate US biogas growth as reliable performance becomes the key competitive edge

11 Dec 2025

The US biogas market is entering a period of faster expansion as a series of deals, capital commitments and long-term projects signal a shift towards larger and more dependable renewable gas operations.

Companies across the sector are focusing on scale and reliability after several years of groundwork. BP is broadening its renewable natural gas business through its bioenergy unit and the network of facilities gained via its purchase of Archaea Energy. Clean Energy Fuels is adding to its portfolio through its venture with BP and by monetising projects that support its position in transport fuels. Ameresco is building and upgrading biogas and renewable gas assets at wastewater and landfill sites, strengthening its role in the US clean energy market.

Sector analysts say these moves indicate that biogas has moved beyond early-stage projects and is becoming a stable part of US decarbonisation plans. One analyst noted that the market is shifting “from one-off pilot systems to dependable full-scale assets” as fleet operators, utilities and large companies increase efforts to cut emissions.

Developers are securing long-term feedstock supplies, improving processing systems and seeking durable commercial contracts to support growth. But the sector also faces policy uncertainty and shifts in credit markets, which can affect financing conditions. Smaller developers warn that ongoing consolidation may reduce access to new projects.

Industry executives argue that sustained investment will improve the national infrastructure for renewable gas and help raise project performance. Continued mergers and strategic funding are also attracting investors looking for long-term exposure to cleaner fuels.

The outlook for 2025 points to further expansion as technology improves and corporate demand remains steady, positioning biogas as an increasingly significant part of the US energy transition.