South Africa’s revamped carbon tax policy, coming into effect in 2026, signals a decisive shift in the country’s climate and energy landscape.
With stricter emissions thresholds and an expanded scope for carbon offsets, the carbon tax overhaul is set to drive major investment in renewable energy. It will also reshape how businesses source electricity. This policy evolution opens new doors, even though some hurdles remain.
A financial incentive for cleaner energy
The carbon tax overhaul increases the cost of fossil-fuel-based electricity. As a result, it creates a financial incentive for companies to switch to cleaner alternatives.
Businesses connected to coal-intensive energy supply chains are now facing real economic pressure. For them, investing in renewables has become a necessity, not a choice. This shift is improving the competitiveness of solar, wind and battery storage technologies, especially for industrial users.
Making use of carbon offsets
The updated policy allows broader use of carbon offsets. This is particularly relevant for projects under South Africa’s Renewable Energy Independent Power Producer Procurement Programme (REIPPP). However, these projects must meet the principle of additionality.
In other words, they must prove they would not be financially viable without the offset mechanism. That requirement is becoming increasingly difficult to demonstrate in South Africa. The process also involves complex technical considerations.
Confronting grid constraints
Despite rising demand for clean energy, South Africa’s grid infrastructure remains a major obstacle. Several REIPPP rounds have failed because of limited transmission capacity.
Still, some progress is evident. The government’s Independent Transmission Programme encourages private-sector participation. The programme aims to build 14,000 kilometres of high-voltage lines and install hundreds of transformers across the country.
Storage technologies also offer solutions. Battery systems can store excess energy generated during peak sunlight hours. This stored energy can then be released when demand rises or when grid capacity allows.
Corporate procurement under pressure
The carbon tax overhaul is also increasing corporate interest in Power Purchase Agreements (PPAs). Companies are under pressure to reduce emissions and cut electricity costs. This pressure is further amplified by international regulations.
One key example is the European Union’s Carbon Border Adjustment Mechanism (CBAM). Manufacturers that export to Europe face steep tariffs if they rely on coal-based electricity. In this context, renewable procurement becomes essential not just for sustainability, but for survival in global markets.
Positioning for a green hydrogen future
The revised policy presents a longer-term opportunity: green hydrogen. South Africa’s vast renewable energy resources and rising global demand could position the country as a leader in this emerging sector.
However, success will depend on addressing critical barriers. These include production costs and infrastructure for exporting the product. South Africa must be able to produce hydrogen at the right cost and move it efficiently to market.
Turning policy into progress
Rather than introducing more regulation, South Africa should focus on implementing what already exists. Frameworks such as the Electricity Regulation Act and wheeling mechanisms must be fully operational.
A national curtailment framework could also improve energy trading flexibility. In addition, municipalities need better resources to procure and distribute clean energy. Currently, only a few municipalities are equipped to act as reliable off-takers.
A call for collaboration
Unlocking the full potential of the country’s energy transition requires strong public-private cooperation. Forums for dialogue already exist, but conversation alone is not enough.
Real progress depends on converting dialogue into action. This includes expanding grid capacity, speeding up project delivery, and improving municipal readiness. With the right collaboration and the momentum of the carbon tax overhaul, South Africa can reach its energy goals and build a more sustainable and inclusive economy.
Alberto Gambacorta | Executive Vice-President | Sub-Saharan Africa | Scatec | mail me |
