By: Rohit Chashta - Sustainability Business Lead, Africa, SE Advisory Services at Schneider Electric

In 2026, the question for South African businesses is no longer 'why' sustainability matters, but 'how' to survive the transition without compromising operational resilience. For listed companies, exporters, mining houses, manufacturers, financial institutions, and increasingly data-centre operators, the real test today lies not in awareness but in execution

However, and this the crux of the matter, many are finding that moving from high-level sustainability commitments to measurable operational impact requires a different level of capability, data visibility and implementation support.

The sustainability agenda has become incredibly complex, shaped by overlapping disclosure expectations, investor scrutiny, global customer requirements and supply chain pressure.

Importantly, this is not only a response to global pressure.

In South Africa, sustainability execution has become a local business imperative because companies are balancing carbon reduction with energy reliability, electricity cost volatility, carbon-tax exposure, water stress and operational resilience.

In that sense, measurable sustainability outcomes are increasingly tied to continuity, competitiveness and capital allocation, not just disclosure. 

The sustainability execution gap

To place it into practical context, many organisations today have ambitious sustainability strategies. They have net-zero commitments, emissions reduction targets and ESG objectives.

The challenge, therefore, is to bridge the gap between a strategy documented on paper and measurable change happening across facilities, assets and value chains.

Firstly, sustainability has become increasingly data driven; investors, regulators and customers are demanding verified progress rather than broad commitments. Organisations therefore require accurate emissions baselines, transparent reporting processes and reliable operational data to understand where improvements can be made.

Secondly, sustainability transformation requires technical capability. A company may have identified the energy efficiency and renewable energy priorities, but converting these opportunities into implemented projects requires specialised expertise.

Sustainability decisions are becoming harder to navigate

Organisations are also facing an increasingly complicated sustainability landscape.

Companies must balance local requirements like South Africa’s carbon tax environment and ESG expectations, with global such as the ISSB sustainability disclosure standards - developed under the IFRS (International Financial Reporting Standards) Foundation - are increasingly shaping investor requirements.

South Africa’s own reporting landscape is also moving in this direction. The JSE has already issued climate and sustainability disclosure guidance aligned with global standards, while the FSCA has signalled that ISSB-aligned reporting is the direction of travel for the market.

That local pressure is becoming more tangible. South Africa’s carbon tax regime has entered a new phase in 2026, with reduced allowances and a more direct pass-through into energy and operating costs, increasing the business case for efficiency, electrification and cleaner power strategies.

This creates complexity for decision-makers trying to prioritise investments and determine where resources should be allocated.

At the same time, sectors such as mining and manufacturing face a particularly difficult balancing act. Decarbonisation cannot be considered separately from energy security, cost management and operational continuity. T

The same can be said for data centres, where AI growth, high power density and cooling demand mean sustainability must be designed into infrastructure strategy from the outset rather than treated as an afterthought.

Financial institutions face a different but equally significant challenge. While their direct operational emissions may be lower than energy-intensive industries, increasing attention is being placed on financed emissions — the carbon impact associated with their investment portfolios and lending activities.

For banks and investors, measurable impact therefore means going beyond operational greening to better portfolio data, transition-risk assessment and credible client engagement on decarbonisation pathways.

The Partnership for Carbon Accounting Financials (PCAF), a leading global research and standards group, defines financed emissions as the greenhouse gas (GHG) emissions linked to financial institutions’ lending and investment portfolios, stressing that these emissions often dwarf operational footprints and represent the most material climate impact of the sector.

What is clear is that across industries, one common requirement remains, credible data. Without transparent, audit-ready sustainability information, organisations struggle to prove progress, develop strong investment cases or demonstrate alignment with customer and investor expectations.

Moving beyond fragmented sustainability approaches

• One of the biggest barriers to sustainability progress is treating sustainability as a collection of separate initiatives.
• A more effective approach is an integrated model that combines strategic advisory, digital capability and practical execution.
• This approach can be viewed through three connected stages: strategise, digitise and decarbonise:
• Strategy - establishing a strong foundation which involves developing a clear sustainability roadmap supported by accurate accounting, baselines, climate risk and materiality assessments. aligned with recognised global frameworks.
• Digitisation — creating the visibility needed to turn sustainability goals into operational decisions Moving beyond manual spreadsheets to dedicated sustainability platform whilst creating a single source of truth for emissions data, enabling transparency, analytics, and opportunity identification.
• Implementation - this is where sustainability objectives become physical outcomes through initiatives such as energy efficiency programmes, process optimisation, electrification, fuel switching, renewable energy procurement, and where relevant, power purchase agreements.

The business case for sustainability

A successful sustainability programme should not be viewed purely as an environmental investment. When implemented effectively, it becomes a driver of business performance.

Energy efficiency improvements can reduce operating costs, and renewable energy strategies can improve resilience against energy price volatility. Ultimately, improved data visibility can strengthen investment decisions and reduce operational risk.

For example, Schneider Electric has worked with a fast-growing multi-site and multi-country data centre organisation in Asia to develop a comprehensive sustainability roadmap, including emissions accounting, target setting and decarbonisation planning.

Through digital enablement and implementation support, we’ve identified opportunities across energy efficiency and renewable energy, resulting in annual energy cost reductions of more than USD 2 million and approximately 10 000 tonnes of CO₂ reduction.

The programme also delivered significant improvement in energy performance, including improvements in Power Usage Effectiveness (PUE), while maintaining a strong business case with payback periods of around two years in certain projects.

This example is increasingly relevant for South Africa, where the rapid growth of data centre capacity is raising new questions around electricity demand, renewable-power sourcing, cooling efficiency, backup power and water use

Building sustainability into business performance.

Organisations often stall when sustainability remains positioned as a reporting obligation rather than a business priority.

The way forward is to integrate sustainability into operational and financial decision-making. Leading organisations treat sustainability as a single, continuous line, where impact is measured tangibly such as carbon reductions, energy savings, improved resilience, lower operating costs and stronger investment readiness

Acceleration will also come integration, and real progress will be realised through practical steps such as energy efficiency, fuel switching, electrification, renewable procurement, and power purchase agreements.

Equally, local context matters. In South Africa, sustainability must achieve dual outcomes: reducing carbon while strengthening operational resilience against volatility and cost pressures.

That is why local companies should not wait for regulation or customer pressure alone; the organisations that act early will be better positioned to manage carbon costs, improve energy security and compete more effectively in an increasingly constrained operating environment.

Indeed, those local  companies that can combine sustainability ambition with practical execution will be better positioned to manage risk, strengthen resilience and compete in increasingly sustainability-driven global markets, while also building stronger operating performance at home.