Company lists · Data refreshed September 2026

Top 25 Residential renewable energy companies based in South Africa

Name: Residential renewable energy companies based in South Africa
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 459 companies tracked

RevenueBase identified 459 company matches for residential renewable energy companies associated with South Africa as of September 2026 and tracks 3,519 professional contacts across them, including 1,265 with verified work emails. Johannesburg is the largest hub.

This list covers company matches for residential renewable energy companies associated with South Africa, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 17, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 RevenueBase SmartSearch · Exact Recorded Sep 17, 2026 How this list was built

459Companies

3,519Contacts tracked

1,265Verified emails

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The 25 largest residential renewable energy companies based in South Africa

Ranked by team size

Top 25 of 459 company matches for residential renewable energy companies based in South Africa, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 17, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Herholdt's Group	Exact match	Bloemfontein, South AfricaHQ recorded Sep 17, 2026	201-500	208 contacts →
	Exact match “Cultivating Sustainable Energy Solutions Nationwide, Herholdt’s Group is your premier importer and wholesaler of leading renewable energy and electrical brands.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2	Stage Zero	Exact match	Cape Town, South AfricaHQ recorded Sep 17, 2026	201-500	162 contacts →
	Exact match “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.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3	Solarafrica Energy	Exact match	Irene, South AfricaHQ recorded Sep 17, 2026	51-200	151 contacts →
	Exact match “Founded in 2011, our young company has evolved into a dynamic team passionate about providing simple, sustainable savings to our customers.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4	Solareff	Exact match	Johannesburg, South AfricaHQ recorded Sep 17, 2026	51-200	128 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5	ABC Solar SA	Exact match	Johannesburg, South AfricaHQ recorded Sep 17, 2026	201-500	122 contacts →
	Exact match “At ABC Solar, we do more than deliver solar infrastructure; we engineer certainty.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6	NEW Planet	Exact match	Johannesburg, South AfricaHQ recorded Sep 17, 2026	201-500	113 contacts →
	Exact match “We are New Planet, a leading Green Tech company, inspiring people to #LiveANewWay through sustainable solutions for a New Planet.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7	Gosolr	Exact match	Johannesburg, South AfricaHQ recorded Sep 17, 2026	51-200	112 contacts →
	Exact match “GoSolr is here to power your life.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8	Wetility	Exact match	Johannesburg, South AfricaHQ recorded Sep 17, 2026	51-200	96 contacts →
	Exact match “In a world where unpredictability has become the norm, people and businesses need more than access to essential services.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9	NOA	Exact match	8th Floor, South AfricaHQ recorded Sep 17, 2026	51-200	86 contacts →
	Exact match “NOA is an energy company.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10	MOTLA	Exact match	City Of Tshwane, South AfricaHQ recorded Sep 17, 2026	51-200	82 contacts →
	Exact match “South Africa's energy future is being built, one engineered solution at a time.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	Alumo Energy	Exact match	Pretoria, South AfricaHQ recorded Sep 17, 2026	201-500	79 contacts →
	Exact match “We're not your average solar company.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	Solarsaver	Exact match	Bryanston, South AfricaHQ recorded Sep 17, 2026	51-200	57 contacts →
	Exact match “Our proprietary rent-to-own contract will allow your property to “go green” and let you start saving on your monthly electricity bills without any capital investment.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	Rhino Energy Solutions	Exact match	Sandton, South AfricaHQ recorded Sep 17, 2026	51-200	53 contacts →
	Exact match “Rhino Energy is committed to addressing South Africa’s energy crisis and the soaring costs of energy.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	GC Solar	Exact match	Centurion, South AfricaHQ recorded Sep 17, 2026	11-50	47 contacts →
	Exact match “GC Solar is a leading South African renewable energy system supplier.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	NEW Southern Energy	Exact match	Cape Town, South AfricaHQ recorded Sep 17, 2026	11-50	44 contacts →
	Exact match “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.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	Genergy South Africa	Exact match	Port Elizabeth, South AfricaHQ recorded Sep 17, 2026	51-200	43 contacts →
	Exact match “Genergy is a renewable energy company with a National Footprint and its Head Quarters based in Gqeberha.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	Dorman Energy PTY LTD	Exact match	Cape Town, South AfricaHQ recorded Sep 17, 2026	201-500	39 contacts →
	Exact match “Est Dorman Energy is a family driven Solar and battery initiative bringing high quality Renewable Energy solutions to Southern Africa.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	Enertrag South Africa	Exact match	Cape Town, South AfricaHQ recorded Sep 17, 2026	11-50	37 contacts →
	Exact match “ENERTRAG South Africa is a clean energy developer and is a subsidiary of ENERTRAG SE, an independent energy company in Germany, France, Ghana, Vietnam, Uruguay and expanding to…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	Emergent Energy	Exact match	Cape Town, South AfricaHQ recorded Sep 17, 2026	11-50	34 contacts →
	Exact match “At Emergent Energy, we believe energy investments should be clear, simple, and designed for long-term value.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	Solar Energy Africa	Exact match	Stellenbosch, South AfricaHQ recorded Sep 17, 2026	11-50	27 contacts →
	Exact match “Solar Energy Africa is a multi-disciplinary engineering company and renewable energy solutions provider.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	Mainstream Renewable Power South Africa	Exact match	Cape Town, South AfricaHQ recorded Sep 17, 2026	51-200	26 contacts →
	Exact match “Mainstream Renewable Power is a leading pure-play renewable energy company, with wind and solar assets across global markets, including in South Africa, Latin America, and…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22	Joule Energy Solutions PTY LTD	Exact match	Cape Town, South AfricaHQ recorded Sep 17, 2026	11-50	24 contacts →
	Exact match “Joule Energy Solutions is a forward-thinking dynamic company, who is on a mission to help solve the energy crisis in South Africa.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23	Advanced Energies Africa	Exact match	Paarl, South AfricaHQ recorded Sep 17, 2026	1-10	24 contacts →
	Exact match “We install custom-designed and operational-ready solar and supplementary energy solutions to the residential sector, agriculture, commerce, industry, mining, and solar PV parks…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24	Journey2green	Exact match	Johannesburg, South AfricaHQ recorded Sep 17, 2026	11-50	22 contacts →
	Exact match “Journey2Green see the decision to go Renewable Energy as a Journey and like any journey you plan for it with a start date, an end-destination and a route plan to get you there…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
25	Sparki Solar	Exact match	Johannesburg, South AfricaHQ recorded Sep 17, 2026	51-200	22 contacts →
	Exact match “Sparki is a rapidly growing solar installation company that aims to provide high-quality.compliant solar installations to homeowners, and business alike.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “residential renewable energy companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 459 residential renewable energy companies based in South Africa

See the full list, filter by size, metro and specialty, and access 1,265 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Residential renewable energy companies based in South Africa at a glance

As of Sep 17, 2026

35.9%Verified-email coverage

7.7Average contacts per company

1-10Median size (employees)

21.8%Largest-city concentration · Johannesburg

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

231

11-50

174

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 459 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies: Company records associated with South Africa whose business descriptions match “residential renewable energy companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 1,265 professional contacts with verified work emails across the full matched dataset. 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 17, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Residential renewable energy companies by metro

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “residential renewable energy companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many residential renewable energy companies are there based in South Africa?

RevenueBase identified 459 company matches for residential renewable energy companies associated with South Africa as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Herholdt's Group tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most residential renewable energy companies?

Johannesburg leads with 100 company records, followed by Cape Town (83) and Pretoria (29).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 1,265 professional contacts with verified work emails tracked across these 459 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 17, 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 SmartSearch, 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.