Power from decomposition.
The Vunda Processing Unit is a self-powered, containerised system that converts organic waste into electricity, biogas, certified fertilizer, and clean water — from one biological process, deployed anywhere in 48 hours.
Two crises. One waste stream.
Kenyan farms and processors pay for energy they cannot control, and pay again to remove organic waste they cannot use. Diesel hit an all-time record in May 2026 — and Kenya imports 100% of its refined fuel. Every global oil shock arrives at the farm gate within one pricing cycle.
Meanwhile, the same site is paying tipping fees and transport costs to truck away tea leaves, food waste, and processing effluent — organic material that still holds most of its chemical energy. The energy and the cost are the same molecule, going in opposite directions.
One closed loop, four exits.
Every VPU runs the same four-stage process — whether the input is shredded farm waste or liquid tea factory effluent piped straight from the floor drain.
Waste enters
Solid organic waste is shredded to 20mm. Liquid effluent — like tea factory slurry — is piped directly in. No pre-treatment needed for liquids.
Bacteria take over
Anaerobic digestion converts organic carbon to biogas over 15–25 days at 35°C. The biogas fuels an internal generator that powers the whole system.
Zero external power, day 30+Direct electricity
Digestate passes through a microbial fuel cell stack. Bacteria transfer electrons directly to carbon electrodes, charging a vanadium redox flow battery.
Fertilizer and water
Remaining solids are dewatered, dried, granulated, and bagged at 25kg with QR tracing. Liquids pass through a reed bed and UV unit to NEMA Class 1.
Every input exits as a product.
Nothing leaves the system as waste. Four commercial outputs, generated continuously, from a single feedstock.
Electricity
6–50 kW continuousGrid-tie ready, stored in a vanadium redox flow battery with a 20-year lifetime and zero capacity degradation.
Biogas
Piped on-site, no storageSurplus biogas replaces heavy fuel oil and LPG directly in existing boilers — usable in retrofits without a new burner.
Fertilizer
25kg bags, QR-tracedCertified organic, NPK-verified fertilizer, granulated and packaged per batch with full traceability.
Clean water
NEMA Class 1Reed bed filtration and UV sterilisation return irrigation-ready water — closing the loop back to the farm.
Five sizes, one architecture.
Every model uses the same process — only the container count and throughput change. A VPU-2 upgrades to a VPU-3 by adding one container, with no downtime.
| Model | Throughput | Containers | Net power | Fertilizer / mo | Water / day | Target site |
|---|---|---|---|---|---|---|
| VPU-1 | 1 t/day | 2 | 3–6 kW | 1,500 kg | 600 L | Estate, campus |
| VPU-2 | 2 t/day | 2 | 6–12 kW | 3,000 kg | 1,200 L | Konza pilot |
| VPU-3 | 3 t/day | 3 | 9–18 kW | 4,500 kg | 1,800 L | Mid processor |
| VPU-5 Pro | 5 t/day | 5 | 15–25 kW | 7,500 kg | 3,000 L | KTDA factory |
| VPU-10 | 10 t/day | 8 | 30–50 kW | 15,000 kg | 6,000 L | Municipality |
Zero capital. Shared upside.
Vunda installs at zero cost to the partner. The partner provides organic waste, land, and site access. Vunda provides the system, maintenance, AI monitoring, and licensing.
Capital from the partner
The VPU is installed, commissioned, and maintained by Vunda. The partner's only contribution is feedstock and a small footprint of land.
Of verified energy savings
Vunda's share of the diesel and grid cost displacement, verified monthly through the AI monitoring system.
Of fertilizer & carbon credit revenue
Additional revenue streams for Vunda that do not reduce the partner's energy savings share.
Five SDGs, one system.
Every deployment produces verified impact across five Sustainable Development Goals, as a direct output of the biological process — not as an add-on.
Clean energy
Continuous baseload power from waste, replacing diesel and grid draw.
Zero hunger
Certified organic fertilizer improves soil health for smallholder supply chains.
Clean water
NEMA Class 1 water eliminates organic effluent discharge to waterways.
Responsible consumption
100% of waste input exits as a commercial product. Zero landfill output.
Climate action
Methane capture and fossil fuel displacement generate verified carbon credits.
Protected, partnered, and piloting.
Patent pending
Filed at KIPI, Kenya — 7 claims. PCT international filing in progress.
Research partner
Kenya Advanced Institute of Science and Technology (Kenya-AIST), Konza Technopolis.
Laboratory validation
Parallel electrochemical validation underway at NMBU, Norway.
Pilot deployment
VPU-2 commissioning at Konza Technopolis, Kenya — Silicon Savannah.
Let's build the first one together.
Whether you're a processor with an organic waste problem, a research partner, or a funder — we'd like to talk.
Email john@vunda.co.ke