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About Us
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Who We Are
Revolutionizing Cooking & Farming with Onsite Biogas Solutions
We’re an impact-driven enterprise tackling the dual challenges of poor waste management and unsustainable cooking methods. Using the design thinking approach, we listen first and innovate with empathy – creating biogas systems tailored for homes, restaurants, and farms.
- Over 80% rely on firewood or coal for cooking
- Kitchen staff waste 2+ hours a day on unsafe cooking.
- 30% of salaries go toward treating smoke-related illnesses.
- Organic waste is poorly managed and rarely reused.
About Company
Why Choose Us
Why Greentech Bioenergy is Your Smart Cooking Choice
Experience a cleaner, safer, and more cost-effective way to cook. Our innovative biogas solutions transform waste into free, fast cooking gas and organic fertilizer – saving you money, improving health, and protecting the environment all at once.
Locations
OUR OFFICE LOCATIONS
Visit us at our offices to learn more about our solutions, see our technology in action, and meet the team working to power a cleaner future.
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Households and restaurants will benefit from using our systems
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Thousands of kilograms of organic waste diverted from landfills
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Hundreds of farmers use our biofertilizers to grow clean food
Join Us
Are you a restaurant, household, farmer, or institution ready to embrace clean energy?
Reach out today to learn how Greentech Bioenergy can transform your kitchen and your land.
Revolutionizing Cooking & Farming with Onsite Biogas Solutions
Cook cleaner, safer, and cheaper with our biogas solutions—turning waste into free gas and fertilizer while saving money, boosting health, and protecting the planet.
Our Team
Meet With Professional Team
At Greentech Bioenergy, our strength lies in the expertise, passion, and dedication of our people. From visionary innovators to skilled engineers and strategic leaders, each team member plays a vital role in driving our mission to create sustainable energy solutions. Together, we combine technical know-how, creative problem-solving, and a shared commitment to building a cleaner, greener future for all.
Mr. Andrew Sahr Norma
He is an electrical and electronic engineer trained at Milton Margai Technical University, is a passionate renewable energy enthusiast, innovator, and business developer. With hands-on expertise in waste management, biogas digester technology, and solar (PV), he actively advocates for the UN SDGs. In 2018, he invented a non-polluting generator, earning the Best Male Runner-Up prize at the UNDP Social Good Summit Innovation Competition. He is the Founder of Greentech Bioenergy.
Andrew Sahr Norma
Internal Adviser, CEO & Founder
Barrister Moses Moore-Conteh
He earned a BA in English Language and Literature, Business Law (BL), and LLB (Hons) from the University of Sierra Leone-FBC. Currently a Barrister and Solicitor at A.B.T Law, he has worked with various youth-led groups, earning awards such as Sierra Leone’s 100 Most Influential Youth and Youngest Influential Sierra Leonean. His broad expertise in business and law makes him a valued board trustee and company lawyer.
Barrister Moses Moore-Conteh
External Adviser
Theodore Clarkson
Finance
Hajah Iye Bundu
Marketing And Sales Lead
Alpha Foday Kamara
Lead Operations
Christopher Abubakar koroma
Biogas Digester Technician
Hannah E. E. Jusu
She is a 3rd-year BSc (Hons) Electrical Engineering student at the University of Sierra Leone – Fourah Bay College. A passionate renewable energy and environmental engineering enthusiast, she has two years of experience with Student Energy FBC Chapter and the Student Association for Environmental Protection and Transformation. Her strong STEM expertise embodies the qualities we value as an energy technology provider.
Hannah E. E. Jusu
Operations Manager
Mr. Alie Sesay
He holds a Certificate and Diploma in Electrical and Electronic Engineering from Milton Margai Technical University, Sierra Leone. A passionate energy practitioner, he brings extensive experience from his work with the Electricity Distribution and Supply Authority (EDSA). His skills and professionalism make him a valued member of our team.
Mr. Alie Sesay
Project Manager
Greentech Bioenergy provides safe, clean biogas solutions to replace firewood and charcoal for homes, businesses, and institutions.
- Kortright, Opposite Fourah Bay College Filed, Freetown, Sierra Leone
- andrewsahrnorma@gmail.com
- +232 30 765375
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