Company lists · Data refreshed September 2026

Top 25 Residential solar companies based in Cape Town, South Africa

Name: Residential solar companies based in Cape Town, South Africa
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 88 companies tracked

RevenueBase identified 88 residential solar companies headquartered in Cape Town, South Africa as of September 2026 and tracks 528 professional contacts across them, including 205 with verified work emails. Johannesburg is the largest hub.

This list covers residential solar companies headquartered in Cape Town, 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 17, 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 17, 2026 86% judged on-target in blind review

88Companies

528Contacts tracked

205Verified emails

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The 25 largest residential solar companies based in Cape Town, South Africa

Ranked by team size

Top 25 of 88 residential solar companies based in Cape Town, South Africa, ranked by team size, largest first. Data refreshed Sep 17, 2026. RevenueBase Smart Search rates how each company's information relates to residential solar 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Stage Zero	Partial evidence	Cape Town, South AfricaHQ checked Sep 17, 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 17, 2026
2	Dorman Energy PTY LTD	Partial evidence	Cape Town, South AfricaHQ checked Sep 17, 2026	201-500	39 contacts →
	Partial evidence “Est Dorman Energy is a family driven Solar and battery initiative bringing high quality Renewable Energy solutions to Southern Africa.” Source: RevenueBase Database · checked Sep 17, 2026
3	Emergent Energy	Indirect evidence	Cape Town, South AfricaHQ checked Sep 17, 2026	11-50	34 contacts →
	Indirect evidence “At Emergent Energy, we believe energy investments should be clear, simple, and designed for long-term value.” Source: RevenueBase Database · checked Sep 17, 2026
4	Joule Energy Solutions PTY LTD	Indirect evidence	Cape Town, South AfricaHQ checked Sep 17, 2026	11-50	24 contacts →
	Indirect evidence “Joule Energy Solutions is a forward-thinking dynamic company, who is on a mission to help solve the energy crisis in South Africa.” Source: RevenueBase Database · checked Sep 17, 2026
5	Power Partners Group	Indirect evidence	Cape Town, South AfricaHQ checked Sep 17, 2026	11-50	17 contacts →
	Indirect evidence “Power Partners Group was established in 2019.” Source: RevenueBase Database · checked Sep 17, 2026
6	Micasa Energy Solutions	Strong evidence	Cape Town, South AfricaHQ checked Sep 17, 2026	51-200	14 contacts →
	Strong evidence “We offer Integrated Smart and Sustainable Energy solutions that include Solar PV, Water, and Lighting solutions for the Commercial, Industrial, Agricultural and Residential…” Source: RevenueBase Database · checked Sep 17, 2026
7	Treetops Renewable Energy Systems	Strong evidence	Cape Town, South AfricaHQ checked Sep 17, 2026	11-50	10 contacts →
	Strong evidence “We are providing Turnkey Solar Systems for our Residential, Commercial and Industrial / Agricultural customers.” Source: RevenueBase Database · checked Sep 17, 2026
8	Northface Solar	Partial evidence	Cape Town, South AfricaHQ checked Sep 17, 2026	11-50	8 contacts →
	Partial evidence “Northface Solar is a commercial solar EPC and battery energy storage (BESS) specialist delivering engineered energy systems for developers, asset owners, and operating businesses…” Source: RevenueBase Database · checked Sep 17, 2026
9	MLT Power	Partial evidence	Cape Town, South AfricaHQ checked Sep 17, 2026	11-50	8 contacts →
	Partial evidence “MLT Power distributes and installs solar back up and grid tied inverter systems as full turn-key solutions to your alternative power needs.” Source: RevenueBase Database · checked Sep 17, 2026
10	Lunar Solar	Partial evidence	Cape Town, South AfricaHQ checked Sep 17, 2026	11-50	6 contacts →
	Partial evidence “Award-Winning Solar Installation Installers Get Lit With Lunar Solar WE SPECIALIZE IN: SOLAR INSTALLATIONS & SYSTEM OPTIMIZATION – SOLAR MAINTENANCE & AFTERSALES SERVICES – SOLAR…” Source: RevenueBase Database · checked Sep 17, 2026
11	ONE Energy Cape Town	Partial evidence	Cape Town, South AfricaHQ checked Sep 17, 2026	11-50	5 contacts →
	Partial evidence “One Energy Cape Town specialises in helping residential and commercial clients take control of their electricity costs and supply by getting off the grid step-by-step using our…” Source: RevenueBase Database · checked Sep 17, 2026
12	Elicity	Indirect evidence	Cape Town, South AfricaHQ checked Sep 17, 2026	1-10	5 contacts →
	Indirect evidence “Empowering businesses and homes with clean, affordable energy.” Source: RevenueBase Database · checked Sep 17, 2026
13	LRG Solar	Partial evidence	Cape Town, South AfricaHQ checked Sep 17, 2026	11-50	5 contacts →
	Partial evidence “At LRG Solar, we're more than just a solar energy company; we're pioneers in the renewable energy revolution.” Source: RevenueBase Database · checked Sep 17, 2026
14	Iseli Energy	Strong evidence	Cape Town, South AfricaHQ checked Sep 17, 2026	11-50	4 contacts →
	Strong evidence “iseli energy is a solar wholesaler, systems integrator and solutions provider specialising in the residential, C&I and Off-grid markets.” Source: RevenueBase Database · checked Sep 17, 2026
15	Hydratherm Services PTY LTD	Indirect evidence	Cape Town, South AfricaHQ checked Sep 17, 2026	11-50	3 contacts →
	Indirect evidence “We are a brand of energy solutions.” Source: RevenueBase Database · checked Sep 17, 2026
16	Samsam PTY LTD	Indirect evidence	Cape Town, South AfricaHQ checked Sep 17, 2026	1-10	3 contacts →
	Indirect evidence “Social.” Source: RevenueBase Database · checked Sep 17, 2026
17	Sunsmart Engineering	Indirect evidence	Cape Town, South AfricaHQ checked Sep 17, 2026	1-10	2 contacts →
	Indirect evidence “At SunSmart Engineering, we don’t just deliver energy solutions-we redefine how businesses power their operations.” Source: RevenueBase Database · checked Sep 17, 2026
18	Elementary Technologies	Indirect evidence	Cape Town, South AfricaHQ checked Sep 17, 2026	1-10	2 contacts →
	Indirect evidence “At Elementary Technologies, we’re passionate about reimagining how energy is used in commercial and industrial spaces.” Source: RevenueBase Database · checked Sep 17, 2026
19	Mettle Corporate & Specialised Finance	Indirect evidence	Cape Town, South AfricaHQ checked Sep 17, 2026	11-50	2 contacts →
	Indirect evidence “Mettle was established in 1995 as a specialist financial services company and has, since its inception become recognised for innovation in the creation of specialised financial…” Source: RevenueBase Database · checked Sep 17, 2026
20	Coalition Energy Projects	Strong evidence	Cape Town, South AfricaHQ checked Sep 17, 2026	11-50	2 contacts →
	Strong evidence “Installation and Maintenance of Solar PV, Back-Up Systems and Electrical Contractors for Residential, Commercial and Industrial Sectors.” Source: RevenueBase Database · checked Sep 17, 2026
21	Blue SUN Energy Solutions	Partial evidence	Cape Town, South AfricaHQ checked Sep 17, 2026	1-10	2 contacts →
	Partial evidence “Blue Sun Energy Solutions is a specialist provider of Solar Grid Tie and PV Hybrid Solar Systems.” Source: RevenueBase Database · checked Sep 17, 2026
22	Solarjoy	Indirect evidence	Cape Town, South AfricaHQ checked Sep 17, 2026	1-10	2 contacts →
	Indirect evidence “About SolarJoy… 2023 marks 18 years in operation.” Source: RevenueBase Database · checked Sep 17, 2026
23	SUN Savings	Partial evidence	Cape Town, South AfricaHQ checked Sep 17, 2026	11-50	1 contacts →
	Partial evidence “Sun Savings is a pioneering solar power and backup energy solutions provider based in South Africa.” Source: RevenueBase Database · checked Sep 17, 2026
24	Intergro Energy	Strong evidence	Cape Town, South AfricaHQ checked Sep 17, 2026	11-50	1 contacts →
	Strong evidence “Intergro Energy provides solar and battery backup solutions for both business and residential environments.” Source: RevenueBase Database · checked Sep 17, 2026
25	False BAY Heating	Indirect evidence	Cape Town, South AfricaHQ checked Sep 17, 2026	1-10	1 contacts →
	Indirect evidence “At Falsebay heating we leave the guess work out of the equation.” Source: RevenueBase Database · checked Sep 17, 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: residential solar companies. 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 residential solar companies.
Partial evidence: Its own public description names part of residential solar companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name residential solar companies. 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 88 residential solar companies based in Cape Town, South Africa

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Residential solar companies based in Cape Town, South Africa at a glance

As of Sep 17, 2026

38.8%Verified-email coverage

6.0Average contacts per company

1-10Median size (employees)

130.7%Largest-city concentration · Johannesburg

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

Email recency for this list is measured across the whole South Africa list rather than for Cape Town, so it is reported there. Company counts and contact totals on this page are exact for Cape Town, over 88 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 residential solar 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 Cape Town, South Africa whose own description of what they do matches “residential solar 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 residential solar 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 residential solar companies, and records with no verified work email. Companies headquartered outside Cape Town 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, 205 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 17, 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.

Residential solar companies by metro in South Africa

Residential solar companies in Johannesburg115
Residential solar companies in Cape Town88
Residential solar companies in Pretoria42

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 residential solar 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 residential solar companies are there based in Cape Town, South Africa?

RevenueBase identified 88 residential solar companies headquartered in Cape Town, 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?

Stage Zero, headquartered in Cape Town, tops this list with the largest team on record.

Which city has the most residential solar companies?

Johannesburg leads with 115 headquartered companies, followed by Cape Town (88) and Pretoria (42).

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 205 verified decision-maker contacts tracked across these 88 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 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 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.