Company lists · Data refreshed September 2026

Top 25 Grid energy storage companies based in South Africa

RevenueBase identified 105 grid energy storage companies headquartered in South Africa as of September 2026 and tracks 1,623 professional contacts across them, including 526 with verified work emails. Johannesburg is the largest hub.

This list covers grid energy storage companies headquartered in South Africa, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 15, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 15, 2026 86% judged on-target in blind review
105Companies
1,623Contacts tracked
526Verified emails
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The 25 largest grid energy storage companies based in South Africa

Ranked by team size
Top 25 of 105 grid energy storage companies based in South Africa, ranked by team size, largest first. Data refreshed Sep 15, 2026. RevenueBase Smart Search rates how each company's information relates to grid energy storage companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Strong evidenceLongmeadow Business Estate, South AfricaHQ checked Sep 15, 2026201-500234 contacts →

Strong evidence

“The Current Future in Energy Storage.”

Source: RevenueBase Database · checked Sep 15, 2026
2Indirect evidenceIrene, South AfricaHQ checked Sep 15, 202651-200151 contacts →

Indirect evidence

“Founded in 2011, our young company has evolved into a dynamic team passionate about providing simple, sustainable savings to our customers.”

Source: RevenueBase Database · checked Sep 15, 2026
3Indirect evidenceJohannesburg, South AfricaHQ checked Sep 15, 202651-20096 contacts →

Indirect evidence

“In a world where unpredictability has become the norm, people and businesses need more than access to essential services.”

Source: RevenueBase Database · checked Sep 15, 2026
4Partial evidence8th Floor, South AfricaHQ checked Sep 15, 202651-20086 contacts →

Partial evidence

“NOA is an energy company.”

Source: RevenueBase Database · checked Sep 15, 2026
5Partial evidenceCity Of Tshwane, South AfricaHQ checked Sep 15, 202651-20082 contacts →

Partial evidence

“South Africa's energy future is being built, one engineered solution at a time.”

Source: RevenueBase Database · checked Sep 15, 2026
6Partial evidenceSandton, South AfricaHQ checked Sep 15, 202651-20053 contacts →

Partial evidence

“Rhino Energy is committed to addressing South Africa’s energy crisis and the soaring costs of energy.”

Source: RevenueBase Database · checked Sep 15, 2026
7Strong evidenceCape Town, South AfricaHQ checked Sep 15, 202651-20048 contacts →

Strong evidence

“We believe that battery energy storage will play a key role in transitioning the world to renewable energy sources, helping to reduce climate change, bringing electricity to the…”

Source: RevenueBase Database · checked Sep 15, 2026
8Strong evidenceCape Town, South AfricaHQ checked Sep 15, 202651-20044 contacts →

Strong evidence

“The Best in BESS Scalable Energy Storage for Large-Scale Integration Built for EPCs, Contractors & Industrial Leaders Grid-Tied | Microgrid | Off-Grid | Utility-Scale Remote…”

Source: RevenueBase Database · checked Sep 15, 2026
9Indirect evidenceJohannesburg, South AfricaHQ checked Sep 15, 202611-5036 contacts →

Indirect evidence

“REVOV is here to power progress, not just power systems.”

Source: RevenueBase Database · checked Sep 15, 2026
10Strong evidenceCape Town, South AfricaHQ checked Sep 15, 202611-5019 contacts →

Strong evidence

“We are an Energy Solutions Company (ESC) providing advanced solar and Battery Energy Storage System (BESS) solutions to our clients through engineering, financial modelling, and…”

Source: RevenueBase Database · checked Sep 15, 2026
11Partial evidenceCenturion, South AfricaHQ checked Sep 15, 202611-5018 contacts →

Partial evidence

“At Cennergi, we’re passionate about shaping a cleaner, more resilient energy future for South Africa.”

Source: RevenueBase Database · checked Sep 15, 2026
12Strong evidenceSomerset West, South AfricaHQ checked Sep 15, 202611-5015 contacts →

Strong evidence

“IES | Infinite Energy Storage.”

Source: RevenueBase Database · checked Sep 15, 2026
13Partial evidenceCape Town, South AfricaHQ checked Sep 15, 202611-5013 contacts →

Partial evidence

“Blue Energy Africa is shaping the continent’s energy landscape.”

Source: RevenueBase Database · checked Sep 15, 2026
14Partial evidenceJohannesburg, South AfricaHQ checked Sep 15, 202611-5012 contacts →

Partial evidence

“Solar energy is becoming increasingly popular within Sectional Title Schemes and Homeowners' Associations (Community schemes), who are looking for alternatives to carbon‑based…”

Source: RevenueBase Database · checked Sep 15, 2026
15Partial evidenceStellenbosch, South AfricaHQ checked Sep 15, 202611-5012 contacts →

Partial evidence

“BrightBlack Energy is a South African energy solutions provider specialising in the design, procurement, construction, finance, operation and management of solar PV and battery…”

Source: RevenueBase Database · checked Sep 15, 2026
16Strong evidenceJohannesburg, South AfricaHQ checked Sep 15, 20261-1011 contacts →

Strong evidence

“Local manufacturer of Clean Energy Storage, with particular emphasis on sourcing locally manufactured components for our quality products.”

Source: RevenueBase Database · checked Sep 15, 2026
17Partial evidenceJohannesburg, South AfricaHQ checked Sep 15, 202611-508 contacts →

Partial evidence

“Resurgent Energy as a turn-key renewable energy solutions developer and product supplier to the logistics, commercial and residential sectors, seeking unique solutions for variety…”

Source: RevenueBase Database · checked Sep 15, 2026
18Strong evidenceParkmore, South AfricaHQ checked Sep 15, 20261-106 contacts →

Strong evidence

“Through our strategic partnerships, we’ve enabled optimum management of the surge-and-dip nature of power grid supply in Africa and our Sirius supercapacitor storage devices are…”

Source: RevenueBase Database · checked Sep 15, 2026
19Strong evidenceRandburg, South AfricaHQ checked Sep 15, 202611-505 contacts →

Strong evidence

“Commercial and Industrial Solar PV and Battery Energy Storage Solutions (BESS) thoughtfully designed by experienced and qualified solar professionals using only the most reliable…”

Source: RevenueBase Database · checked Sep 15, 2026
20Partial evidenceBloemfontein, South AfricaHQ checked Sep 15, 20261-105 contacts →

Partial evidence

“A Dynamic zero emission energy company founded in 2014.”

Source: RevenueBase Database · checked Sep 15, 2026
21Strong evidenceEldoraigne, South AfricaHQ checked Sep 15, 202611-504 contacts →

Strong evidence

“WHP Energy Solutions is a trusted provider of advanced renewable‑energy systems, specializing in Hybrid Battery Energy Storage Solutions and Solar PV technologies.”

Source: RevenueBase Database · checked Sep 15, 2026
22Partial evidenceRandburg, South AfricaHQ checked Sep 15, 20261-104 contacts →

Partial evidence

“Ready to harness the power of alternative energy?”

Source: RevenueBase Database · checked Sep 15, 2026
23Partial evidenceJohannesburg, South AfricaHQ checked Sep 15, 202651-2003 contacts →

Partial evidence

“Commodore Industries (Pty) Ltd is an energy company with a specific focus in the last mile development and financing of renewable projects.”

Source: RevenueBase Database · checked Sep 15, 2026
24Strong evidenceCape Town, South AfricaHQ checked Sep 15, 20261-103 contacts →

Strong evidence

“iONX is a leading energy storage OEM founded in 2023.”

Source: RevenueBase Database · checked Sep 15, 2026
25Partial evidenceInanda, South AfricaHQ checked Sep 15, 20261-103 contacts →

Partial evidence

“Welcome to Green Power, a project developer in the energy sector.”

Source: RevenueBase Database · checked Sep 15, 2026

Showing 25 of 105 grid energy storage companies based in South Africa

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Grid energy storage companies based in South Africa at a glance

As of Sep 15, 2026
32.4%Verified-email coverage
15.5Average contacts per company
11-50Median size (employees)
24.8%Largest-city concentration · Johannesburg
Sep 15, 2026Page data refreshed

Companies by employee count

1-10
42
11-50
39
51-200
16
201-500
4
501-1,000
1
1,001-5,000
2
5,001-10,000
1

Email recency for this list is measured worldwide rather than for South Africa, so it is reported there. Company counts and contact totals on this page are exact for South Africa, over 105 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among grid energy storage companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in South Africa whose own description of what they do matches “grid energy storage companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names grid energy storage companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among grid energy storage companies, and records with no verified work email. Companies headquartered outside South Africa are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every listed company carries at least one verified work email, 526 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 15, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Grid energy storage companies by metro

  • Grid energy storage companies in Johannesburg26

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names grid energy storage companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many grid energy storage companies are there based in South Africa?

RevenueBase identified 105 grid energy storage companies headquartered in South Africa as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Freedom WON PTY LTD, headquartered in Gauteng, tops this list with the largest team on record.

Which city has the most grid energy storage companies?

Johannesburg leads with 26 headquartered companies, followed by Cape Town (21) and Sandton (5).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 526 verified decision-maker contacts tracked across these 105 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 15, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.