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About GEIH

Welcome to GEIH, where innovation meets excellence in energy, technology and we provide competitively-priced renewable and sustainable energy sources to the world.

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After years of research & development into renewable energy, we are now proud to take our first step in building up a demonstration plant in Singapore. With roots in renewable energy, GEIH will continue to deliver solutions that will allow the end users to enjoy affordable clean energy.

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GEIH is Singapore’s first and only carbon negative biomass to green hydrogen company.​ It utilises proprietary carbon negative pyrolysis method to convert non-food biomass into clean fuels, activated carbon and other high value products.​ New products are also being developed from the pyrolysis of biomass, such as new battery anode material and sustainable aviation fuel.

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On our Home page, you’ll find an overview of our latest initiatives and company updates. Dive deeper into our technological innovations and see how we’re making a difference by visiting our Technology section.

Key Management

Mr. Kwan Yau-Shing Sydney

Mr Kwan Yau-Shing Sydney (“Mr Sydney Kwan”) was appointed as an Executive Director of the Group on 22 August 2024. He is currently responsible for overseeing the Group’s Energy Business segment and serves as the CEO of Green Energy Investment Holdings Private Limited (“GEIH”). Mr Sydney Kwan’s expertise is in the areas of systems engineering, design, and sales. He initially began working in the aerospace defense industry as a systems engineer, where he designed, developed, and maintained real-time embedded avionics systems. Mr Sydney Kwan then transitioned to starting an engineering firm focused on selling systems related to critical airflow and building controls in the healthcare, education, and pharmaceutical industries. From 1984 to 2010, he was with Hughes Aircraft, serving as a Systems Engineer and Software Manager with Filenet Corporation. Subsequently, he served as a Senior Scientist with Raytheon Corporation and as Vice-President and Founder of Newmatic Engineering, Irvine. Mr Sydney Kwan has also held various senior leadership positions. He has been President of Go2 Power, Inc. since 2010 and Director of Proton Power, Inc. since 2013. Mr Sydney Kwan is a Certified Energy Manager from the Association of Energy Engineers. Additionally, he holds a Master of Science in Computer Architecture and a Bachelor of Science in Engineering from the University of California, Los Angeles.

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Our process produces cleaner hydrogen rich syngas

  • By leveraging on advances in technology, we are able to control key parameters of the pyrolysis process, including temperature, pressure and gas composition to achieve continuous production, improve energy efficiency and increase hydrogen yeild

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Our Philosophy

GEIH strives to achieve and maintain the required international standards and quality benchmarks for our products and services by devoting our resources to:

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  • Maintain and update our technologies

  • Acquire new knowledge and technologies

  • Develop and excel in our area of expertise

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The Path to a sustainable future

Converting non-food cellulous biomass waste into hydrogen,  activated carbon and renewable fuel using an advanced pyrolysis technology.

Value Proposition

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​© 2025 Green Energy Investment Holding Private Limited

All rights reserved

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Subsidiary of H2G Green Limited

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