Where in South Africa are Clean Tech startups based?

Johannesburg (2), Cape Town (1) and East London (1) have the most.

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Clean Tech startups in South Africa

StartupList Africa tracks 13 Clean Tech startups in South Africa. Johannesburg has the most, with 2, followed by Cape Town (1) and East London (1).

Companies: 13; in South Africa

Updated 20 Oct 202613 companiesSource: SLA Startup IndexHow sectors are assigned →Full directory →

Clean Tech startups in South Africa13

#	Startup	What they do	Last round	Raised	Team
1	Hypreom ResearchSouth Africa	Hypreom Research: Transforming industries with cutting-edge AI solutions and pioneering renewable energy innovations.	-	Not disclosed	2–10
2	NambuSouth Africa	South African insect protein company turning food waste into black soldier fly feed for poultry, pigs and fish.	-	Not disclosed	11–50
3	PeeCyclingSouth Africa	University of Cape Town spin-out turning human urine into liquid fertiliser and reusable water.	-	Not disclosed
4	Freedom WonSouth Africa	South African maker of lithium battery energy storage systems and inverters for homes, businesses and utility sites	-	Not disclosed	201–500
5	HyPlatSouth Africa	Fuel-cell technology company producing membrane electrode assemblies and platinum-group-metal catalysts	-	Not disclosed	11–50
6	LiquidGold AfricaSouth Africa	Circular economy company converting organic waste and sanitation resources into protein, oil and fertiliser with ESG traceability	-	Not disclosed	11–50
7	CloudlineSouth Africa	Autonomous solar-powered airships for cargo, aerial monitoring and remote-area operations with zero emissions.	-	Not disclosed
8	Valternative EnergySouth Africa	Battery-swapping electric motorcycles, swap stations and fleet software for riders and delivery fleets in South Africa	-	Not disclosed
9	REVOVSouth Africa	South African battery brand supplying lithium energy storage for homes, businesses and installers across Africa	-	Not disclosed	11–50
10	Candi SolarSouth Africa	Financed solar and storage for commercial and industrial businesses in South Africa and India, with zero upfront cost.	-	Not disclosed
11	WiSolarSouth Africa	WiSolar is an on-demand prepaid solar utility.	-	Not disclosed	50–100
12	Zero Carbon ChargeSouth Africa	Zero Carbon Charge is a South African startup specialising in clean mobility infrastructure.	Seed	$6M	11–50
13	Brayfoil TechnologiesSouth Africa	Brayfoil Technologies is a clean-tech startup that has created a compliant structure and morphed aerofoil research and design.	Funding Round	$1M	2–10

SLA Startup Index · as of 20 Oct 2026 · raised is disclosed funding

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Frequently asked about Clean Tech in South Africa

How many Clean Tech startups are there in South Africa?: StartupList Africa tracks 13 Clean Tech startups in South Africa.
Where in South Africa are Clean Tech startups based?: Johannesburg (2), Cape Town (1) and East London (1) have the most.

Cite this page

StartupList Africa, “Clean Tech startups in South Africa”, updated 20 Oct 2026.

startuplist.africa/countries/south-africa/industries/clean-tech