#1 Supplier of Grid‑connected Renewable Energy

EXSA is a market‑leading supplier of grid‑connected renewable energy.

What is wheeling?

Wheeling is the intelligent movement of renewable energy. It transports clean power from the most efficient generation locations directly to your business, via the transmission and distribution grid. This contributes to a robust national grid, paving the way for a loadshedding-free future.

Customised energy solutions

Break free from the limitations of traditional energy procurement. Our bespoke solutions empower you to access clean energy on your terms, tailored to your consumption needs and sustainability ambitions – without rigid contracts or minimum energy requirements.

craft your custom energy solution

get a custom energy solution

craft your custom energy solution

How EXSA powers the future

EXSA buys renewable energy in bulk under long-term contracts with generators and resells that energy under bespoke arrangements that best suits each customer’s specific needs.

Strategic Partnerships & Regulatory Expertise

We cultivate strong relationships with key renewable energy players and leverage our NERSA trading licence, backed by a two-year track record, to ensure seamless transactions and regulatory compliance, giving you peace of mind.

Curated renewable energy portfolio

We source renewable energy in bulk from a network of trusted generators, ensuring a diversified and reliable supply to meet your specific needs.

Unlocking value through scale

Our large-scale procurement strategy translates into significant cost savings and operational efficiencies, which we pass on to our clients.

Empowering your sustainability journey

Partnering with EXSA gives you access to renewable energy certificates and supports your organisation's transition to a more sustainable future.

join the revolution

Our values

Our team loves being a part of a pioneering and thriving company that will grow into the most magnetic and respected energy trader for South Africa.

Switched On

Pioneering, innovative
and creative with deep expertise

Connected

Collaborative and
magnetic with robust industry networks

Catalytic

Driven by purposeand lasting, sustainable
change

Energised

Tenacious, ambitious and driven by hustle - we get things done

Constant

Trusted, dependable
and authentic in word and deed

Switched On

Pioneering, innovative
and creative with deep expertise

Connected

Collaborative and
magnetic with robust industry networks

Catalytic

Driven by purpose and lasting, sustainable change

Energised

Tenacious, ambitious and driven by hustle - we get things done

Constant

Trusted, dependable
and authentic in word and deed

This is EXSA

Meet our team of passionate experts who are driven to transform businesses, economies and communities through the power of energy. We bring together a wealth of experience across energy, infrastructure, finance and technology, united by a shared vision for a sustainable future.

Wayne Cowie

Chief Executive Officer

Aishah Gire

Chief Operating Officer

Shailin Moodley

Chief Technology Officer

Henri van Eetveldt

Head of Business Development

Rudi Du Toit

Data Analyst

Khotso Motaung

Finance Analyst

Carla Daniels

Office Manager

Board of Directors

Pieter Uys

Remgro

Dario Musso

RMB

Willem van Wyk

Remgro

Rekha Sinath

Remgro

Kenneth Oboni-Ouma

RMB

Roadmap

2017-Beyond

Business
Launched

2017

EXSA was formed and forged ahead - forming key relationships, creating critical methodologies and investigating the market

Eskom
unbundling

2019

President Ramaphosa announces Eskom unbundling

Wheeling License Cap Increased to 100MW

2021

Larger generation was enabled paving the way for the private market to enter

NERSA Trading License Awarded

2022

EXSA was granted the permission to trade electricity via the Eskom grid

RMB acquires 25% shareholding from Remgro

2023

EXSA commenced trading
4.5 GW of private generation constructed in SA

Team expansion to bolster business growth

2024

ERA amendment being signed into law and successful trading track record were key indicators of a business ready to scale

Solar
online

2025

First solar will be coming online and delivered

155 MW
Wind Financial
Close

2025

EXSA's landmark 15-year PPA with Seriti Green for a Mpumalanga wind project is finalised.

Wind
online

2027

First wind will be coming online and delivered. Just in time for the competitive market projected launch

Portfolio
trading at scale

2027

We'll have lots of electrons flowing through the system and be handling all the complexity in the background at scale

Liberalised
market

2028

With the competitive market online, more active generation and offtakers all over South Africa, we'll start looking like a free market

Company resources

latest

September 10, 2025
Powering a Just Future: Our Landmark Deal with Seriti Green
Find out more about EXSA's landmark 15-year PPA with Seriti Green for a 155 MW Mpumalanga wind project is a major milestone for South Africa's private energy market and a powerful step in the Just Energy Transition. →
September 2, 2025
More than just energy: The values that power your partnership with EXSA
Discover EXSA's core values: Switched On, Connected, Catalytic, Energised, and Constant. Learn how these principles translate into tangible benefits, ensuring you a trusted and innovative renewable energy partner. →
June 9, 2025
Why our NERSA licence matters for your renewable energy future
Discover the benefits of partnering with a NERSA-licensed electricity trader like EXSA in South Africa. Learn how our official authorisation ensures credibility, legal compliance, and access to reliable renewable energy solutions. →
December 13, 2024
Explore A New Era of Energy With A Reinvigorated EXSA
Explore the new EXSA website and find out how our commitment to driving renewable energy solutions in SA is empowering businesses to go green! →
October 16, 2024
Diversified Renewable Energy: The EXSA Advantage
Discover how EXSA’s diversified renewable energy portfolio delivers reliable, cost-effective, and sustainable energy solutions. →