Home of Innovations · Lilongwe, Malawi
We turn organic waste into clean energy, safer sanitation and lower operating costs for homes, farms, institutions and businesses across Malawi.
Who is this for?
Our systems
Biogas systems that convert animal manure, poultry and pig waste, agricultural residue, human waste and organic industrial waste into clean cooking gas and electricity. Includes gas collection, purification, moisture removal, hydrogen sulphide treatment and pressure management. The digested output returns to the soil as biofertiliser.
Biodigester septic systems that treat human waste biologically instead of simply storing it. New builds or conversion of existing septic tanks, with inlet and outlet systems, soakaway and slurry design, wastewater management and ongoing maintenance support.
Conversion of selected petrol generators and water pumps to run on petrol, LPG or CNG. Kit supply, installation, commissioning, testing and technical guidance. Fuel flexibility for any facility that depends on backup power.
Who we serve
Households, farmers, poultry farms and piggeries produce organic waste every day. We turn it into cooking gas, power and biofertiliser, or treat it safely where sanitation is the priority.
Schools, universities, hospitals, churches, NGOs and government institutions need systems that handle high volumes and keep running. We provide site assessment, technical design, formal costing, installation, commissioning and staff training.
Shopping malls, retail centres, supermarkets, hotels, restaurants, office complexes and warehouses depend on backup power and generate significant waste. We support generator and water pump conversion, wastewater management, food-waste-to-energy systems and environmental compliance.
Edward Kahaya
Lead Biogas and Energy Systems Engineer
Technical leadership
Edward Kahaya holds a Bachelor's Degree in Electrical Engineering and has spent eleven years designing and installing biogas systems, biodigesters, sanitation infrastructure and alternative energy systems.
His work began in Uganda in 2015 with the Belgian Technical Cooperation, now Enabel, on a biogas system of around 120 cubic metres at Kaliro Technical Institute. It continued with a system of around 160 cubic metres at Abilonino Instructors College in 2016 and septic conversion and biogas projects with Uganda's Ministry of Energy and Mineral Development, including work at Kabojja Preparatory and Nyakasura Secondary School.
His largest installation to date is around 300 cubic metres of gas. Since November 2022 he has led biodigester and generator conversion work in Malawi.
Credentials and reach
Biotech Holdings Limited is a registered Malawian company headquartered in Lilongwe. Our teams mobilise for projects across the country and our technical experience extends to projects in Southern and East Africa.
11
Years lead engineer field experience
~300m³
Largest biogas system installed
03
Flagship systems
2022
Malawi operations since
Also from Biotech Holdings
Our process
We evaluate existing infrastructure, site conditions, waste streams and energy requirements in person.
We design a practical solution matched to your site, needs and budget.
We set out materials, equipment, labour and the implementation plan before work begins.
Skilled personnel carry out construction, installation or conversion.
Every system is tested for correct operation before handover.
We train the people who will run the system and provide technical support afterwards.
Get in touch
Whether you need cooking gas for a farm, a sanitation system for a school, backup power options for a commercial property or technical advice on an existing system, we respond to every enquiry directly.
Lilongwe, Malawi