8.9 GW in development
1.27 GW won in Rd5, REIPPPP
850 MW already delivered into operation
600+ MW operating assets
100+ local employees
Obtained Accreditations ISO 45001 and ISO 14001
Industry awards
€1 billion project finance debt raised
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The Leading Renewable Energy Company in South Africa

Mainstream is the leading renewable energy company in South Africa, with over 2.1 GW awarded under the REIPPPP programme to date.  Since the programme commenced, Mainstream has delivered 842 MW of wind and solar plant into commercial operation.   

Mainstream develops, manages construction activities and delivers projects into commercial operation.  It provides operations and maintenance through its subsidiary, Mainstream Asset Management South Africa (MAMSA). 

Mainstream asset management SA (MAMSA)

Headed up by Titania Stefanus-Zincke, MAMSA, operates and maintains utility scale wind and solar projects to ensure long term asset integrity.  The company operates over 600 MW of wind assets on behalf of its joint venture company, Lekela Power. 

The MAMSA objective is to maximize availability, production and revenue at an optimal cost level.  Key to achieving this is the implementation of safety systems to ensure zero Lost Time Incidents and to operate in a respectful manner that accounts for the social and environmental impact created by the business.

The MAMSA team work closely with communities to transition to economic independence through the implementation of Socio-economic and Economic Development projects and it  remains a key focus of the MAMSA team.

MAMSA ensures that all projects are managed in compliance with the applicable laws, regulations, permits and project agreements. Lender and Equity Reporting remains a core output of the MAMSA service offering.

Our Local Team

Our local team is led by General Manager and industry pioneer, Hein Reyneke. He leads a locally based management team and over 100 South African colleagues, committed to deliver much needed MWs to the grid.

explore our current vacancies


We are looking for ambitious people to join our fast-paced, collaborative environment. If you want to experience a global company, with a small company feel and learn new and exciting cultures, look no further.

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