Clarke Energy commissions first membrane-based biogas upgrader in India

Clarke Energy, a Rehlko company, has commissioned its first membrane-based biogas upgrading plant in India.
The facility is situated at a municipal solid waste anaerobic digestion site operated by Srinivas Waste Management Services Private Limited (SWMS) in Chetpet, Chennai.
The announcement coincides with this week’s UK-India trade delegation, highlighting Clarke Energy’s 30-year presence in India.
The company has installed nearly 2GW of low-carbon, renewable and resilient power across India and Bangladesh.
The SWMS facility processes biodegradable organic food waste from the local region, converting it into biogas and soil improver, providing tangible sustainability benefits to the community.
The project directly supports India’s SATAT (Sustainable Alternative Towards Affordable Transportation) initiative, which aims to establish 5,000 bio-CNG plants nationwide.
Clarke Energy’s membrane-based upgrader provides a scalable, efficient, and locally manufactured solution to meet these targets.
Replacing a conventional pressure swing adsorption (PSA) unit, the new system upgrades 600 Nm³/hr of raw biogas into high-purity biomethane.
The integrated installation includes a biogas dryer, scrubber, low-pressure compressor, two-stage membrane separation system, and complete instrumentation and interconnection piping.
Key components were sourced locally, ensuring competitive delivery timelines and sustainability advantages. Initial commissioning confirmed methane purity exceeding 97.4%, while minimising methane losses.
“This project marks the first biogas upgrader system fully designed, developed, and manufactured in India by Clarke Energy,” said Kyle Quinn, President, Clarke Energy. “It demonstrates how we are combining international expertise with local execution to deliver advanced renewable gas solutions that support India’s clean energy future.”