GreenSuppliers
Guide5 March 2026

Switching to Renewable Energy: A Business Guide

How South African businesses can transition to renewable energy. Solar, wind, and battery storage options compared.

Why Switch to Renewable Energy?

South Africa's energy landscape is changing rapidly. Load shedding, rising electricity costs, and carbon tax obligations are pushing businesses to explore renewable energy alternatives. Beyond cost savings, renewable energy adoption directly improves your ESG score.

Options for South African Businesses

Solar PV

The most popular option for South African businesses. Rooftop and ground-mounted solar installations offer predictable energy costs and quick payback periods, typically 3-5 years.

Wind Energy

Viable for larger operations, particularly in the Western and Eastern Cape. Power purchase agreements (PPAs) allow businesses to benefit without owning the infrastructure.

Battery Storage

Increasingly affordable, battery storage allows businesses to store excess solar energy and reduce reliance on the grid during peak hours and load shedding events.

Impact on ESG Score

On Green Suppliers, renewable energy usage is a key factor in ESG scoring:

  • 20%+ renewable energy — Required for Silver tier
  • 50%+ renewable energy — Required for Gold tier
  • 70%+ renewable energy — Required for Platinum tier

Learn more about our ESG scoring methodology or find renewable energy suppliers in our directory.