10 Best Renewable Energy Companies in South Africa

Renewable energy sources, such as wind and sun, are never depleted since they are naturally replenished. Therefore, sustainable energy is another name for renewable energy.

In this article, we reveal the 10 Best Renewable Energy Companies in South Africa. In our extensive fundamental and technical analyses, we identify the companies actively involved in the production of green energy in South Africa.

As the world moves towards sustainable energy, South Africa has been at the forefront of embracing the move.  Of all of the renewable energies in South Africa, solar power holds the most potential.

Because of the country’s geographic location, it receives large amounts of radiative energy which is useful in the solar electricity sector. Another renewable energy in South Africa with high potential is wind energy however, its government has put in place favorable policies to encourage the adoption of solar energy.

As a result, several solar companies have sprung up to meet the growing demand for solar panels and solar-powered products.

In this article, we will look at the top 10 renewable energy companies created in South Africa.

Renewable Energy Companies in South Africa

10 Best Renewable Energy Companies in South Africa

Below is a list of the top 10 renewable energy companies in South Africa.

  • Specialized Solar Systems
  • Sun Hot Solar and Construction
  • Soventix SA (Pty) Limited
  • ZRW Solar
  • Jlinx Power System in Paarl
  • Engerati
  • Restio
  • Juwi Renewable Energies (PTY) Limited
  • Rubicon SA
  • Mainstream Energy Company

1. Specialized Solar Systems

Specialized Solar System is a renewable energy company that is located at 43 Ossie Urban Street, Tamsui Industria George, Western Cape, 6529.  It is a South African-owned company that powers 600 million households.

Specialized Solar Systems (SSS) was established in 2008 to develop an affordable, renewable, alternative energy source for the millions of people in Africa with no foreseeable access to the national electricity supply.

SSS specializes in providing complete off-grid electrification (with optional backup) to rural and undeveloped communities in South Africa and other African countries. The off-grid solar electrification projects provide an effective and renewable energy source that meets the highest safety and design specifications.

Visit Company site here

2. Sun Hot Solar

Sun Hot Solar is located at De Villiers Street, Langerug, Worcester, Western Cape.  They specialize in designing as well as installing renewable energy applications, including inverters (off-grid and grid-tied), Batteries, Charge controllers, wind turbines, PV panels, and Solar Water Heaters.

 At Sun Hot Solar, they offer a wide range of solar water heating systems for different budgets and applications and can tailor systems to suit each of their customers’ requirements.

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3. Soventix SA (Pty) Limited

Soventix SA (Pty) Ltd is a German-based manufacturer of high-quality and high-efficiency solar modules located in Suite 10 Cotillion Place, 22 Techno Drive, Techno Park, Stellenbosch, Western Cape. 

Soventix SA (Pty) Limited is a company dedicated to delivering products and solutions that are environmentally responsible and contribute to a sustainable future. It recognizes South Africa as one of the most dynamic renewable energy markets.

It specializes in the building and operating of solar farms in sub-Saharan Africa., Soventix realizes profitable photovoltaic projects, offering a variety of services from project development to financing, project realization, operation, and maintenance.

Soventix is increasingly active in the field of Independent Power Production (IPP) and develops innovative business models for Power Purchase Agreements (PPA).

Soventix SA also supports Project Development and financing through its comprehensive Project Partner Program. It is owned by Ventizz Capital Partners Advisory AG, one of Europe’s largest private equity funds for technology-oriented growth companies.

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4. ZRW Solar

ZRW Solar also known as ZRW Mechanika. This is a renewable energy company that provides solar and energy storage solutions for homes and businesses in South Africa. The company designs and installs solar panels, batteries, and energy management systems to help clients become more energy-independent.

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5. Jlinx Power System in Paarl

Jlinx is located at COR 41A Main and Station Road, Paarl, Western Cape. Jlinx supplies renewable and Automation solutions to Architects, developers, and builders.

Jlinx Electronics was founded in 2008 and has years of industry experience in electronic building infrastructure, enabling us to meet the requirements of our clients with quality solutions. Their team of skilled engineers and technicians provides professional service and advice about suitable solutions.

JLINX offers affordable and reputable electrical and electronic technical services. JLINX strives to offer a comprehensive range of services to all its clients, which is evident throughout its business operations.

Included in her range of services are security solutions. Jlinx offers a 360-degree approach to the security industry, providing clients with integrated security, video surveillance, and intercom solutions that are suitable for their security measures.

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6. Engerati

Engerati is Located at Spintelligent House, Westlake Business Park 31 Bell Crescent, Tokai, Western Cape. Engerati is a global community of energy industry professionals curating smart energy and energy-related news, analysis, webinars, and podcasts from around the world.

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7. Restio

 Restio Energy is a renewable energy company established in 2001, which is located at Orange House 63 Caledon Road, Somerset West, Western Cape.

Restio’s focus has been on understanding energy poverty and developing sustainable solutions to address these realities. They design, implement, and evaluate energy access projects, with substantial experience in all phases of energy access program development, from design to implementation to monitoring and evaluation.

Energy access has moved beyond the Research & Development phase and Restio has tracked these movements, having been involved in numerous technology implementation environments in various capacities.

Restio has been involved in developing policy and regulatory frameworks that encourage standardization, best practices, and compliance while ensuring these frameworks are light-handed, supportive, and accommodating of innovation.

Restio Energy has a long professional history of understanding the socio-economic realities of energy consumers at the household level. And have undertaken extensive socio-economic and energy consumption surveys, which have assisted with product, business, and policy development.

Restio Energy is working in partnership with University College London (UCL) to develop toolkits and field guides for delivering thermal energy services in rural areas.

Restio Energy has been involved in a range of programs designed to improve access to modern energy services. Restio Energy has worked in most East and Southern African countries, as well as having established a nascent profile in Southeast Asia with professional assignments to Thailand, Cambodia, and the Philippines.

Restio Energy works with different energy technologies, in different countries and policy environments, with different people, communities, and organizations to develop appropriate solutions for improved access to modern energy services.

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8. Juwi Renewable Energies (PTY) Limited

Juwi Renewable Energies (PTY) Limited is located at Metropolitan Ctr, Coen Steytler Ave. Foreshore, Western Cape. The JUWI organization was founded in Rhineland-Palatinate, Germany in 1996. Since 2014, the utility company MVV Energie AG of Mannheim has owned the JUWI Group.

Juwi has around 850 workers globally, branches on all continents, and is actively involved in several projects on every continent. Juwi is a trustworthy partner for project development, EPC services, and operations & maintenance. JUWI has been one of the foremost authorities on renewable energy for over 25 years.

Juwi’s business areas include onshore wind and utility-scale solar energy projects and hybrid storage systems. Juwi is one of the world’s leading specialists in renewable energies. The company offers project development, EPC, and O&M services, as well as products and solutions for the ongoing transition to 100% renewable energy.

Its business activities are mainly focused on Solar (Utility-scale and Commercial and industrial) and Onshore Wind Energy. They work together to implement renewable energies economically and reliably, thereby delivering the best value renewable energy projects in Africa today.

Juwi South Africa has a very strong and technically diverse Development Team comprising colleagues based both in South Africa and Germany, and they pride themselves in developing excellent Wind projects from initial concept through to construction.

Besides developing her projects, they also take care of clients’ projects.

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9. Rubicon SA

Rubicon SA is a leading renewable energy company in South Africa. It is one of the biggest solar energy companies in South Africa with outlets and projects all over the country.

The company specializes in the design, installation, and maintenance of solar panels, wind turbines, and other renewable energy solutions. Rubicon SA has completed several large-scale projects in the country, including a 4.5 MW solar installation for a shopping center in Cape Town.

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10. Mainstream Energy Company

In South Africa, Mainstream is the most successful company in the history of the country’s renewable energy independent power producer procurement program (REIPPPP), having been awarded over 2.1 GW to date. Mainstream has the honor of having developed and built the country’s first wind and solar farms in Round 1 of her program.

To date, they have developed and built 850 MW (gross) of wind and solar generation assets across REIPPPP Rounds 1, 3, and 4. That is equivalent to approximately 15% of the total renewable energy generation capacity delivered under the program.

In 2021, Mainstream was awarded preferred bidder status in Round 5 of the program with a total capacity of 1.27 GW across wind (824 MW) and solar (450 MW) technologies. Mainstream also provides O&M services to its African joint venture company, Lekela Power, with over 600 MW under management in South Africa across five wind farms.

Visit Company site here


South Africa has developed and expanded renewable energy companies and the top 10 discussed above are at the forefront of the country’s transition to sustainable energy.

With their expertise and experience, these companies are helping homes and businesses reduce their energy bills and become more energy-independent. If you’re looking to switch to renewable energy, these companies are a great place to start.


Environmental Consultant at Environment Go! | + posts

Ahamefula Ascension is a Real Estate Consultant, Data Analyst, and Content writer. He is the founder of Hope Ablaze Foundation and a Graduate of Environmental Management in one of the prestigious colleges in the country. He is obsessed with Reading, Research and Writing.

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