Company lists · Data refreshed September 2026

Top 25 Clean energy contractors based in South Africa

Name: Clean energy contractors based in South Africa
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 21, 2026 901 companies tracked

RevenueBase identified 901 clean energy contractors headquartered in South Africa as of September 2026 and tracks 7,325 professional contacts across them, including 2,399 with verified work emails. Johannesburg is the largest hub.

This list covers clean energy contractors 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 21, 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 21, 2026 86% judged on-target in blind review

901Companies

7,325Contacts tracked

2,399Verified emails

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The 25 largest clean energy contractors based in South Africa

Ranked by team size

Top 25 of 901 clean energy contractors based in South Africa, ranked by team size, largest first. Data refreshed Sep 21, 2026. RevenueBase Smart Search rates how each company's information relates to clean energy contractors: 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Terra Firma	Partial evidence	Cape Town, South AfricaHQ checked Sep 21, 2026	201-500	231 contacts →
	Partial evidence “Terra Firma is a leading turnkey energy engineering solution provider based in sub-Saharan Africa.” Source: RevenueBase Database · checked Sep 21, 2026
2	Herholdt's Group	Partial evidence	Bloemfontein, South AfricaHQ checked Sep 21, 2026	201-500	208 contacts →
	Partial evidence “Cultivating Sustainable Energy Solutions Nationwide, Herholdt’s Group is your premier importer and wholesaler of leading renewable energy and electrical brands.” Source: RevenueBase Database · checked Sep 21, 2026
3	Diesel Electric Services PTY LTD	Indirect evidence	Booysens, South AfricaHQ checked Sep 21, 2026	501-1,000	207 contacts →
	Indirect evidence “Since 1993 Diesel Electric Services (PTY) Ltd has specialised in the design, manufacture, delivery, installation, commissioning and maintenance of turnkey power solutions to suit…” Source: RevenueBase Database · checked Sep 21, 2026
4	Barloworld Power	Indirect evidence	Boksburg North, South AfricaHQ checked Sep 21, 2026	201-500	190 contacts →
	Indirect evidence “Barloworld Power has been a CAT Dealer for power products since 1927 and represents CAT, Perkins, and MAK brands.” Source: RevenueBase Database · checked Sep 21, 2026
5	Mulilo	Indirect evidence	Cape Town, South AfricaHQ checked Sep 21, 2026	51-200	180 contacts →
	Indirect evidence “Since its establishment in 2008, Mulilo has grown into one of the leading Independent Power Producers (IPP) in Southern Africa.” Source: RevenueBase Database · checked Sep 21, 2026
6	Tractionel Enterprise	Indirect evidence	Roodepoort, South AfricaHQ checked Sep 21, 2026	501-1,000	163 contacts →
	Indirect evidence “Established in 1982, Tractionel Enterprise is a 100% Black-Owned Level 1 Electrical Construction Company with an outstanding track record in the design, supply, construction and…” Source: RevenueBase Database · checked Sep 21, 2026
7	Stage Zero	Partial evidence	Cape Town, South AfricaHQ checked Sep 21, 2026	201-500	162 contacts →
	Partial evidence “Stage Zero – Solar & Backup Power Solutions At Stage Zero, we help South Africans achieve energy independence, saving on their electricity bills and protect against load shedding.” Source: RevenueBase Database · checked Sep 21, 2026
8	Solarafrica Energy	Indirect evidence	Irene, South AfricaHQ checked Sep 21, 2026	51-200	151 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 21, 2026
9	Solareff	Partial evidence	Johannesburg, South AfricaHQ checked Sep 21, 2026	51-200	128 contacts →
	Partial evidence “Solareff is a specialist South African-based renewable energy solutions company, with a proven track record of installing medium to large-scale rooftop and ground-mounted Solar…” Source: RevenueBase Database · checked Sep 21, 2026
10	ABC Solar SA	Indirect evidence	Johannesburg, South AfricaHQ checked Sep 21, 2026	201-500	122 contacts →
	Indirect evidence “At ABC Solar, we do more than deliver solar infrastructure; we engineer certainty.” Source: RevenueBase Database · checked Sep 21, 2026
11	NEW Planet	Indirect evidence	Johannesburg, South AfricaHQ checked Sep 21, 2026	201-500	113 contacts →
	Indirect evidence “We are New Planet, a leading Green Tech company, inspiring people to #LiveANewWay through sustainable solutions for a New Planet.” Source: RevenueBase Database · checked Sep 21, 2026
12	Gosolr	Indirect evidence	Johannesburg, South AfricaHQ checked Sep 21, 2026	51-200	112 contacts →
	Indirect evidence “GoSolr is here to power your life.” Source: RevenueBase Database · checked Sep 21, 2026
13	Wetility	Indirect evidence	Johannesburg, South AfricaHQ checked Sep 21, 2026	51-200	96 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 21, 2026
14	NOA	Partial evidence	8th Floor, South AfricaHQ checked Sep 21, 2026	51-200	86 contacts →
	Partial evidence “NOA is an energy company.” Source: RevenueBase Database · checked Sep 21, 2026
15	MOTLA	Partial evidence	City Of Tshwane, South AfricaHQ checked Sep 21, 2026	51-200	82 contacts →
	Partial evidence “South Africa's energy future is being built, one engineered solution at a time.” Source: RevenueBase Database · checked Sep 21, 2026
16	Alumo Energy	Indirect evidence	Pretoria, South AfricaHQ checked Sep 21, 2026	201-500	79 contacts →
	Indirect evidence “We're not your average solar company.” Source: RevenueBase Database · checked Sep 21, 2026
17	Seriti Green	Indirect evidence	Johannesburg, South AfricaHQ checked Sep 21, 2026	51-200	74 contacts →
	Indirect evidence “Seriti Green is owned by Seriti Resources (54.19 %), VennEnergy (15%), RMB (15.41%) and Standard Bank (15.41%), and overseen by its own Board and independent management.” Source: RevenueBase Database · checked Sep 21, 2026
18	Artsolar	Indirect evidence	Pinetown, South AfricaHQ checked Sep 21, 2026	51-200	69 contacts →
	Indirect evidence “ARTsolar proudly stands for African Renewable Technologies.” Source: RevenueBase Database · checked Sep 21, 2026
19	Valley Electrical Contractors PTY LTD	Partial evidence	Cape Town, South AfricaHQ checked Sep 21, 2026	201-500	63 contacts →
	Partial evidence “Founded in Valley Electrical Contractors has, and continues to strive for excellence in all of the work that we do; whether it be Commercial, Industrial or Residential.” Source: RevenueBase Database · checked Sep 21, 2026
20	Lumax Energy PTY LTD	Strong evidence	Midrand, South AfricaHQ checked Sep 21, 2026	51-200	59 contacts →
	Strong evidence “Lumax Energy delivers cutting-edge clean energy technology at highly competitive prices.” Source: RevenueBase Database · checked Sep 21, 2026
21	Aces Africa	Indirect evidence	Cape Town, South AfricaHQ checked Sep 21, 2026	51-200	54 contacts →
	Indirect evidence “A leading EPC specialising in Solar PV, large-scale BESS, and Building Integrated PV solutions.” Source: RevenueBase Database · checked Sep 21, 2026
22	Rhino Energy Solutions	Partial evidence	Sandton, South AfricaHQ checked Sep 21, 2026	51-200	53 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 21, 2026
23	Pele Green Energy	Partial evidence	Johannesburg, South AfricaHQ checked Sep 21, 2026	51-200	51 contacts →
	Partial evidence “Founded in 2009, Pele Green Energy (PGE) is a leading independent power producer dedicated to transforming Africa’s energy landscape through innovative renewable energy solutions.” Source: RevenueBase Database · checked Sep 21, 2026
24	GC Solar	Partial evidence	Centurion, South AfricaHQ checked Sep 21, 2026	11-50	47 contacts →
	Partial evidence “GC Solar is a leading South African renewable energy system supplier.” Source: RevenueBase Database · checked Sep 21, 2026
25	NEW Southern Energy	Partial evidence	Cape Town, South AfricaHQ checked Sep 21, 2026	11-50	44 contacts →
	Partial evidence “Click the at the top right hand of this page to follow us, or visit New Southern Energy (N.S.E) is an African company based in South Africa.” Source: RevenueBase Database · checked Sep 21, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: clean energy contractors. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names clean energy contractors.
Partial evidence: Its own public description names part of clean energy contractors, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name clean energy contractors. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 901 clean energy contractors based in South Africa

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Clean energy contractors based in South Africa at a glance

As of Sep 21, 2026

32.8%Verified-email coverage

8.1Average contacts per company

1-10Median size (employees)

19.6%Largest-city concentration · Johannesburg

Sep 21, 2026Page data refreshed

Companies by employee count

1-10

460

11-50

328

51-200

201-500

501-1,000

1,001-5,000

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 901 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 clean energy contractors, 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 “clean energy contractors”. 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 clean energy contractors), 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 clean energy contractors, 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, 2,399 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 21, 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.

Clean energy contractors by metro

Clean energy contractors in Johannesburg177
Clean energy contractors in Cape Town164
Clean energy contractors in Pretoria54
Clean energy contractors in Sandton29
Clean energy contractors in City Of Tshwane27
Clean energy contractors in Centurion26

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 clean energy contractors, 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 clean energy contractors are there based in South Africa?

RevenueBase identified 901 clean energy contractors 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?

Terra Firma, headquartered in Cape Town, tops this list with the largest team on record.

Which city has the most clean energy contractors?

Johannesburg leads with 177 headquartered companies, followed by Cape Town (164) and Pretoria (54).

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 2,399 verified decision-maker contacts tracked across these 901 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 21, 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.