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Clarke Energy Commissions First Membrane-Based Biogas Upgrader in India
The SWMS site processes biodegradable organic food waste from the surrounding region, converting it into biogas and soil improver—delivering meaningful sustainability benefits to the local community.
This 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 offers a scalable, efficient, and locally manufactured solution to meet these ambitious targets.
Building on Clarke Energy's 30-year presence in the Indian biogas sector, this project showcases the company's capability to deliver advanced renewable gas solutions that support India's circular economy. The new system replaces a pressure swing adsorption (PSA) unit with a membrane-based purification system capable of upgrading 600 Nm³/hr of raw biogas into high-purity biomethane.
The integrated solution 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 benefits. Initial commissioning results confirm the system is meeting guaranteed performance levels at part load, with methane purity exceeding 97.4%, while minimizing methane losses.
said Kyle Quinn , President, Clarke Energy .
Unlike conventional PSA systems, Clarke Energy's membrane-based upgrader offers higher methane recovery, potentially lower operational costs, and modular scalability – making it ideal for urban waste-to-energy applications.
Clarke Energy, a Rehlko company, is a global leader in the design, engineering, installation, and long-term maintenance of resilient distributed energy solutions. With deep expertise in renewable gas technologies, Clarke Energy delivers complex energy systems including biogas upgrading, biogas combined heat and power (CHP), and battery energy storage systems (BESS).
To date, Clarke Energy has installed over 1.4 GW of biogas CHP capacity globally and is actively expanding its portfolio of biogas upgrading projects in India , France , and the United States . The company also offers integrated green gas solutions, including carbon dioxide recovery from biogas upgrading systems and hydrogen production technologies—supporting industrial decarbonization and the transition to a circular economy.
www.clarke-energy.com
Founded in 2003 and based in Chennai , Srinivas Waste Management Services Private Limited (SWMS) is one of
South India's leading integrated waste management companies. The company works across all stages of waste management—from collection and transportation to processing, recycling, and safe disposal—and is steadily expanding into renewable energy and circular economy projects.
SWMS has built South India's first 100 TPD Bio-CNG plant, which turns organic waste into Compressed Biogas (CBG), a clean and renewable fuel. Through this and other innovations, SWMS is turning waste into a valuable resource and supporting India's efforts toward clean energy and a greener future.
www.swms.in
A global leader in energy resilience, Rehlko delivers innovative energy solutions that sustain and improve life across home energy, industrial energy systems, and powertrain technologies with control, resilience, and innovation. Leveraging the strength of its portfolio of businesses— Power Systems, Home Energy, Kohler Uninterruptible Power, Clarke Energy, and Engines—and its more than a century of industry leadership, Rehlko provides power where and when the grid cannot. Rehlko goes beyond function and individual recovery to create better lives, communities, and a more durable and energy-resilient future. Learn more at rehlko.com.
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