Cape Town’s Data-Centre Expansion Is Moving Faster Than Its Water and Energy Rules

Cape Town’s approval of land-use changes for two proposed hyperscale data centres has opened a wider debate about whether African cities are regulating digital infrastructure at the same speed that they are trying to attract it.

The Municipal Planning Tribunal approved applications connected to a proposed Equinix development at King Air Industria near Cape Town International Airport. The decision advances the project through a planning stage, but does not amount to full construction approval. Detailed site-development plans, building approvals and other regulatory processes would still be required before any facility could be built.

The scale of the proposal has drawn attention. Publicly available documents cited by objectors referred to a combined electricity requirement of up to 174 MVA, although power figures have also been reported in megawatts. The Legal Resources Centre cautioned that those units measure different things and should not be used interchangeably.

Community groups and technology-justice organisations have argued that the application did not provide enough information about water demand, cooling systems, diesel backup generation, emissions, noise or the cumulative burden on surrounding infrastructure.

A real economic case for more computing capacity

South Africa has one of Africa’s most developed digital markets. Additional data-centre capacity can support cloud computing, financial services, artificial intelligence, public-sector digitisation and the local storage and processing of data.

That economic case is substantial. African companies and governments increasingly depend on digital infrastructure located closer to users. Local capacity can improve latency, support business continuity and reduce reliance on facilities outside the continent.

However, hyperscale data centres are also major infrastructure projects. They require dependable electricity, cooling, secure water arrangements, backup generation and high-capacity telecommunications links. Their resource requirements therefore extend beyond ordinary land-use considerations.

Planning approval is not the same as project approval

The distinction matters. The tribunal’s decision concerned rezoning, subdivision, consolidation and development rights. It did not settle the final technical design or authorise immediate construction.

Equinix has said it purchased land in Cape Town but had not itself submitted a final planning application for development of the site. The company said that if it proceeds, it will provide information to relevant stakeholders and engage transparently.

That leaves important questions for later regulatory stages. Those include the source of electricity, the proposed cooling technology, expected water consumption, the use of diesel generators and whether the project will invest in additional infrastructure rather than rely only on existing municipal capacity.

Water and energy cannot be treated separately

Cape Town’s recent history makes the debate especially sensitive. The city came close to severe water restrictions during the 2017–2018 drought, while South Africa’s power system has struggled with years of electricity shortages and load-shedding.

Data-centre developers can reduce resource pressure through air cooling, closed-loop systems, renewable-energy procurement, energy storage and water-reuse technologies. But those claims need project-specific evidence. Without disclosure of the proposed design, communities and regulators cannot assess the likely effect.

The Department of Water and Sanitation has said there is no reason for panic, but that residents should be informed about how the facilities would use and pay for water. That response reinforces the need for a clearer public record rather than resolving the underlying questions.

A regulatory gap larger than one project

The dispute points to a broader policy issue. Municipal planning systems often treat data centres as industrial or commercial developments, even when their power and water demand can resemble that of major infrastructure assets.

A dedicated framework could require early disclosure of projected electricity and water use, cooling design, backup power, emissions, community impacts and infrastructure contributions. It could also establish thresholds that trigger more detailed assessment for hyperscale facilities.

Such rules would not have to block investment. Clear standards could give developers greater certainty while allowing cities to compare economic benefits with infrastructure costs.

A test for African digital growth

Africa needs more data centres, cloud infrastructure and computing capacity. The policy challenge is to make sure that digital growth does not outpace the systems responsible for water security, electricity planning and community participation.

Cape Town’s decision is therefore best understood as the beginning of a regulatory test, not the conclusion of one.

Sources

• Legal Resources Centre: Equinix Data Centre Municipal Planning Tribunal
• Reuters: South Africa tribunal approves Equinix data centres despite activist objections
• Cape Town News: Tribunal approves first planning step for two airport data centres
• Foxglove: Data-centre approval and resource-disclosure concerns