Radar Companies Energy Tech · Gauteng
Radar · Energy Tech in Gauteng

Best Energy Tech Companies in Gauteng, South Africa

The 48 best Energy Tech companies in Gauteng, South Africa in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Hydrox Holdings.

48companies tracked
$2.3Bdisclosed funding
0unicorns
6have raised
FLIAR INTELLIGENCE · ENERGY TECH × GAUTENG

Our analysis of 287 Energy Tech companies

$109.4b in tracked funding; 82% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.

287companies analysed
82%cloud-native stacks
2025funding peak (by rounds)
32unicorns
2018median founding year

Ranked: Best Energy Tech companies in Gauteng

#CompanyDisclosed fundingLast roundStageFounderFoundedTech stackRecent signals
1Hydrox Holdings
Provider of technology solution for production of hydrogen
$2.3B131 mo agoLate StageCorrie Jager
Founder & CEO
2003
2Athena
Provider of medical payments management software for healthcare
$250K30 mo agoSeedJabulani Nyembe
Founder
20223 partnerships
3LetMeIn
SaaS-driven visitor management software for offices and apartments
$143K68 mo agoSeedJarrad Van Zuydam
Co-Founder
2020
4Passerine Aircraft Corporation
Developer of VTOL aircraft
$120K97 mo agoSeedMatthew Whalley
Founder & CEO
2017
5Tagora
Suite provider specializing in smart and secure transactions for diesel wholesales
$25K164 mo agoSeedLumumba Mutumanje
Founder & CEO
2012
6Everlectric
Provider of electric vehicle fleet transition, charging infrastructure, and finance solutions
18 mo agoSeedPaul Plummer
Co-Founder
2020WordPressMySQLPHP+21
7ShisiGas
App-based platform offering LPG cylinder delivery solutions
46 mo agoSeedKamogelo Rudolf
Founder
2014
8Brayfoil Technologies
Provider of solutions for wind turbines
57 mo agoDeadpooledRobert Bray
Co-Founder
2017

Top 8 Energy Tech companies in Gauteng

#1
Late Stage · Randburg, Gauteng · founded 2003
$2.3Braised

Provider of technology solution for production of hydrogen. It offers alkaline water electrolysis solution by developing technology for green decentralised hydrogen production. It specializes in membrane free electrolysis technology offering advanced electrolyzers,hydrogen storage solutions,fuel cell integration and custom hydrogen energy solutions

Funding rounds
  • Aug 2015Post IPO$64.1M
  • Mar 2015Post IPO$34.7M
Founders & team
Corrie JagerFounder & CEO
Investors
Woolworths Group, Lowe
#2
Seed · Johannesburg, Gauteng · founded 2022
$250Kraised

Provider of medical payments management software for healthcare. It offers a platform for medical bill management that enables patients to pay for healthcare in monthly instalments for healthcare surgeries and procedures.

LinkedIn Pulse recent public activity · Jul 2026
Audience: 566 LinkedIn followers
Activity: 3 partnerships (incl. Toothcare Dental Studio) announced in 12 mo
Funding rounds
  • Jan 2024Seed$150K
Founders & team
Jabulani NyembeFounder
Investors
Founders Factory Africa
#3
Seed · Johannesburg, Gauteng · founded 2020 · 3 employees
$143.4Kraised

SaaS-driven visitor management software for offices and apartments. It facilitates an API based interface that can be used in any chat app. It also offers a chatbot-based pre-screening risk management dashboard.

Funding rounds
  • Dec 2020Seed$143.4K
Founders & team
Jarrad Van ZuydamCo-FounderPaul Van ZylCo-Founder & CTO
#4
Seed · Johannesburg, Gauteng · founded 2017 · 2 employees
$120Kraised

Passerine Aircraft develops VTOL aircraft for commercial purposes. The aircraft claims to have multiple features including lift wing (powered by the lift device that offers low stall speed with high cruise speed). Both the aircraft are fixed-wings, have a payload capacity in the range of 6 kg-300 kg, and feature an onboard controller allowing it to be remotely piloted. They are capable of operating without take-off/landing infrastructure and of spot landings & standing take-offs. Claims that the products emulate the landing of Passerine bird i.e. a flared landing and then dropping onto their legs.

Funding rounds
  • 2018Seed$120K
Founders & team
Matthew WhalleyFounder & CEO
Investors
Y Combinator
#5
Seed · Pretoria, Gauteng · founded 2020 · 2 employees
raised

Provider of electric vehicle fleet transition, charging infrastructure, and finance solutions. The company packages electric vehicles and charging infrastructure. It offers financial solutions designed to facilitate the adoption of electric vehicles. The company aims to streamline the transition to electric fleets. It provides access to a charging network and operational electricity.

LinkedIn Pulse recent public activity · Jul 2026
Audience: 3k LinkedIn followers — 7.9% of this cohort's audience
Hiring: 1 hiring post in 12 mo (public) · hiring: B2B Sales Executive
Funding rounds
  • Feb 2025Venture Debt
  • Sep 2021Seed
Founders & team
Paul PlummerCo-FounderWesley WaltCo-Founder
Investors
Sakhumnotho, Vumela
Tech stack
Animate.CssBeaver BuilderBootstrapCdnjsCloudflareCloudflare Browser Insights
#6
Seed · Johannesburg, Gauteng · founded 2012
$25Kraised

Suite provider specializing in smart and secure transactions for diesel wholesales. It offers technology to simplify complex processes and enhance the buying and selling experience in the fuel industry.

Funding rounds
  • Nov 2012Seed$25K
Founders & team
Lumumba MutumanjeFounder & CEO
Investors
LaunchHouse
#7
Seed · Johannesburg, Gauteng · founded 2014
raised

App-based platform offering LPG cylinder delivery solutions. The platform allows users to create an account, select the amount of fuel, enter the delivery address, and pay online. Its app is available for Android and iOS devices.

Founders & team
Kamogelo RudolfFounder
Investors
Technology Innovation Agency
#8
Deadpooled · Johannesburg, Gauteng · founded 2017 · 9 employees
raised

Provider of solutions for wind turbines. It uses morphing wing technology to improve efficiency gains and cost reductions. It also provides solutions for the aerospace, sailing, and automotive industries.

Founders & team
Robert BrayCo-Founder
Investors
Katapult

Funding & investor landscape

$2.3Btotal disclosed funding
5companies funded
6disclosed rounds
0rounds last 90 days
Most active investors
100+ Accelerator1 rounds
Founders Factory Africa1 rounds
Jade Capital Partners1 rounds
JoziHub1 rounds
Katapult1 rounds
LaunchHouse1 rounds
Lowe1 rounds
Royal Bafokeng Holdings1 rounds
Sakhumnotho1 rounds
Startupbootcamp1 rounds

Notable founders

Corrie Jager
Founder & CEO · Hydrox Holdings
Jabulani Nyembe
Founder · Athena
Jarrad Van Zuydam
Co-Founder · LetMeIn
Paul Van Zyl
Co-Founder & CTO · LetMeIn
Matthew Whalley
Founder & CEO · Passerine Aircraft Corporation
Paul Plummer
Co-Founder · Everlectric
Wesley Walt
Co-Founder · Everlectric
Lumumba Mutumanje
Founder & CEO · Tagora
Kamogelo Rudolf
Founder · ShisiGas
Robert Bray
Co-Founder · Brayfoil Technologies
Prism market signals · South Africa · country-scoped Prism corpus, 842,504 docs

Market landscape — 10 sub-themes by coverage

Share of Energy Tech coverage by sub-theme.

Regulatory-risk over time rising

Funding & growth over time

funding rising · growth rising

RESEARCH SIGNALS · South Africa

How research on Grid Energy Storage is moving in South Africa

A read on the academic research around Grid Energy Storage — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 393 South Africa-affiliated papers.

research sentiment over time
202320252026
enthusiastic · positive · guarded tone
Tone is overwhelmingly optimistic and steady — the enthusiastic (strongly-positive) share moved 63% → 64% across 2023–2026.
top research entities
  • University of Johannesburg85
  • Tshwane University of Technology52
  • University of South Africa48
  • Stellenbosch University29
  • Cape Peninsula University of Technology27
leading researchers
Emmanuel Rotimi Sadiku · Komla A. Folly · Yskandar Hamam · Ramesh C. Bansal · Chukwuemeka Emmanuel Okafor · Maarten J. Kamper · Rong‐Jie Wang · Pooja Kumari
Breakthroughs76 · 19%
▲ 0%→20% share
0 median citations99% since 2021mostly methods-led
Breakthroughs are rising (0%→20% of field), led by Renewable energy.
rising sub-themes (early→recent)
  • Renewable energy1→11
  • Microgrid1→4
  • Energy management1→4
Newly emergingElectrochemistry 0→18 · Supercapacitor 0→14 · Battery (electricity) 0→13
Landmark Dynamic Energy Management System for a Smart Microgrid · 325 cites
Advancements220 · 56%
▲ 0%→57% share
1 median citations98% since 2021mostly methods-led
Advancements are rising (0%→57% of field), led by Battery (electricity).
rising sub-themes (early→recent)
  • Battery (electricity)1→55
  • Automotive engineering1→27
  • Electrolyte1→9
  • Sizing1→8
Newly emergingRenewable energy 0→73 · Photovoltaic system 0→36 · Microgrid 0→30
Landmark Multiobjective Optimal Sizing of Hybrid Energy Storage System for Electric Vehicles · 303 cites
Concerns47 · 12%
▲ 0%→12% share
3 median citations98% since 2021mostly reviews
Concerns are rising (0%→12% of field), led by Renewable energy.
rising sub-themes (early→recent)
  • Renewable energy20
  • Battery (electricity)8
  • Hydrogen storage7
  • Electricity7
  • Supercapacitor4
Newly emergingRenewable energy 0→19 · Battery (electricity) 0→8 · Electricity 0→7
Landmark The Prospect of Hydrogen Storage Using Liquid Organic Hydrogen Carriers · 577 cites
RESEARCH HOTSPOTS · South Africa

Where energy storage is researched across South Africa

Location clusters by institution affiliation — each city's volume, stance tone, and a quick read on its hot topic, what's advancing, the opening opportunity, and the main concern.

Pretoria148 · +0.44
Hot · ElectrochemistryAdvancing · ElectrodeOpportunity · SupercapacitorConcern · Composite number
Johannesburg102 · +0.48
Hot · Renewable energyAdvancing · Energy managementOpportunity · SupercapacitorConcern · Energy (signal processing)
Cape Town36 · +0.46
Hot · Energy managementAdvancing · Power (physics)Opportunity · Battery (electricity)
Durban36 · +0.39
Hot · Renewable energyAdvancing · VoltageOpportunity · Photovoltaic system
Stellenbosch36 · +0.54
Hot · GridAdvancing · Efficient energy useOpportunity · Battery (electricity)
Rondebosch23 · +0.26
Hot · Electric power systemAdvancing · Power (physics)Opportunity · Renewable energyConcern · Electricity
Potchefstroom16 · +0.22
Hot · Battery (electricity)Opportunity · Chromium
Bloemfontein6 · +0.57
Opportunity · Grid

Common questions

How many Energy Tech companies are there in Gauteng, South Africa?
Radar tracks 48 indexable Energy Tech companies headquartered in Gauteng, South Africa that meet our profile-completeness bar.
What is the total funding raised by Energy Tech companies in Gauteng, South Africa?
The Energy Tech companies in Gauteng, South Africa on this list have raised a combined $2.3B in disclosed equity funding across 5 funded companies.
Which is the highest-funded Energy Tech company in Gauteng, South Africa?
Hydrox Holdings is the highest-funded Energy Tech company in Gauteng, South Africa, with $2.3B in disclosed equity funding.
How many Energy Tech companies in Gauteng, South Africa are funded?
5 of the 48 Energy Tech companies in Gauteng, South Africa on this list have disclosed at least one equity funding round.
How many Energy Tech unicorns are there in Gauteng, South Africa?
None of the Energy Tech companies in Gauteng, South Africa on this list currently has a disclosed valuation of $1B or more.
Who are the top investors in Gauteng, South Africa Energy Tech companies?
The most active investors in Gauteng, South Africa Energy Tech companies on this list include 100+ Accelerator, Founders Factory Africa, Jade Capital Partners, JoziHub, Katapult.
Rohit KhannaTrends & Stories

Rohit lives in the feed. He covers what's moving right now — the funding rounds, launches and shifts breaking across the trade press — and ties them back to where the sector is heading.

Coming soon