• Equinix is fast-tracking expansion in Johannesburg after its JN1 data centre filled ahead of schedule, driven by strong AI demand

• The move reflects intensifying competition and rapid growth in South Africa’s data centre market, with major rivals investing heavily

• Equinix is scaling its African footprint with new hubs and may launch a second Johannesburg facility as demand continues to rise 

Less than two years after its South African debut, Equinix is significantly accelerating its expansion plans in Johannesburg. The global leader in digital infrastructure has seen its first local data center, JN1, fill up much faster than the initial 18-month forecast, primarily driven by a surge in demand for Artificial Intelligence (AI) processing power. This unexpected volume of AI workloads has necessitated a major revision of the company’s original timetable. The rapid uptake of high-density computing on the continent has forced the world's largest data center operator to pivot quickly, scaling its infrastructure well ahead of its strategic roadmap to accommodate the needs of regional enterprises.

The Nasdaq-listed company, which posted $9.22 billion in revenue for full-year 2025, opened its first South African International Business Exchange (JN1) in October 2024 in Germiston, outside Johannesburg. The facility launched with 4 megawatts of IT capacity and 700 cabinets — the first phase of a campus designed to reach 20 megawatts and more than 100,000 square feet at full build-out, according to a company press release dated December 2022.

"Our brand new JN1 data centre in Johannesburg serves as a powerful platform for people and businesses to connect, innovate, and flourish not only in South Africa but across the continent," Sandile Dube, managing director for South Africa at Equinix, said at the facility's opening. Dube was appointed to the role in November 2023 after leading Hewlett Packard Enterprise's South Africa operations.

The expansion marks the first time Equinix has accelerated capacity expansion in Africa beyond its original plan, underscoring a shift in the continent's data infrastructure race. South Africa's data centre market stood at $2.55 billion in 2025 and is projected to reach $5.28 billion by 2031, a compound annual growth rate of 12.9%, according to a March 2026 report by ResearchAndMarkets. Around $1.5 billion in new investment was expected to flow into upcoming South African facilities by 2026.

Neutral Advantage

What Equinix is racing to protect is not raw capacity — it is position. The company's core business model earns fees by acting as a neutral switchboard between enterprises and hyperscale cloud providers. This structure becomes more valuable as AI workloads increase the number of required connections. Amazon Web Services, Google Cloud, Microsoft Azure, Oracle, and Huawei Cloud all operate cloud infrastructure in South Africa, according to the ResearchAndMarkets report. Each new AI deployment that requires simultaneous access to two or more of those providers routes through Equinix's Johannesburg Internet Exchange, JINX, which the company launched inside JN1 in November 2023.

The competitive threat sharpening that calculus is Teraco, a subsidiary of Digital Realty — the world's largest data centre real estate investment trust by market capitalisation — which plans to launch four new South African facilities in 2025-2026, with a combined investment of roughly $877 million. Vantage Data Centres committed more than R15 billion (approximately $820 million to $1 billion) to an 80-megawatt campus in Johannesburg's Waterfall City, as announced in October 2021, according to Antoine Boniface, president of Vantage EMEA, as cited by TechCentral.

In March 2025, Vantage formaliresed a 50-50 partnership with real estate developer Attacq for Phase II construction — with Attacq's contribution covering the R628 million ($34 million) building shell only, exclusive of fit-out equipment such as cooling systems, power infrastructure and fiber connectivity, according to Data Centre Dynamics. In that environment, the company that plants a second campus first gains a structural lead: enterprises co-locating across two sites in the same metro can build private, low-latency connections that are difficult to replicate once signed.

The risk is that speed may outpace the market. Johannesburg was already home to 15 operational data centres and six-plus under development by the end of 2024, according to industry data reviewed by Agence Ecofin. A concentration of investment at that scale can depress utilisation rates and pricing if enterprise demand — particularly from South African financial and industrial companies — does not scale with supply. Equinix reported that roughly 60% of its largest deals globally in the fourth quarter of 2025 were driven by AI workloads, according to its February 11 earnings release, but the company provided no Africa-specific breakdown.

Equinix entered the continent in April 2022 through its $320 million acquisition of MainOne Cable Co., which added data centres in Nigeria, Ghana and Côte d'Ivoire. The South African facility represented its first greenfield build on the continent. In November 2025, the company announced $100 million earmarked for Africa over two years, with the first tranche being a $22 million Lagos data centre, LG3, set to open in the first quarter of 2026, according to a statement. The full continental commitment stood at $390 million over five years, according to Bloomberg News.

Dube had laid out the strategic roadmap without ambiguity. "We're going to need key hubs on the continent as we have in Europe, which is why we have started with Lagos, Joburg and, in time, we would like to add Nairobi," he said in an interview cited by Data Centre Dynamics in February 2024. A formal decision on Nairobi — which would signal that the Johannesburg phase had been judged sufficiently mature — remained pending as of March 31, 2026.

The next milestone to watch is an official announcement of a second Johannesburg data centre, which would confirm that JN1 is absorbing demand ahead of schedule and trigger a revision of continental investment projections. Equinix's next investor update is scheduled for its first-quarter 2026 earnings call, expected in May.

Idriss Linge