You have probably seen the words “data centre” and “cloud” used interchangeably. They don’t mean the same thing, and the difference matters. It shapes how businesses buy technology, how regulators write rules and where investors see opportunity.
A data centre is a building. It is a secure, purpose-built facility with reliable power, cooling, security and internet connections, so that computers can run around the clock. A cloud platform is a service. It is software that lets customers rent computing power, storage, and networking on demand, switch them on or off themselves, and pay only for what they use.
Think of an airport and an airline. The airport provides the runway, fuel, and terminal; the airline provides the service you actually book. Every cloud platform runs inside a data centre, but most data centres do not offer a cloud platform. Owning an airport does not make you an airline.
Data centre grading and cloud computing standards
Companies that rent space for their own servers in someone else’s facility are buying what the industry calls “colocation”. A facility’s reliability is rated on a four-level scale from the Uptime Institute.
Tier I has no backup equipment, so any fault results in downtime. Tier II adds spares but has a single path for power and cooling.
Tier III has more than one path, so any part can be serviced without switching anything off; it is the level most serious operators aim for. Tier IV survives any single failure.
Be careful, though: “built to Tier III standards” is not the same as certified, so ask which certificate a provider actually holds.
The US National Institute of Standards and Technology defines cloud computing by five features: customers can provision resources themselves, access them over the internet, share the provider’s pool of equipment, scale capacity up or down quickly, and pay only for what they use.
A bank that runs virtualised software in a rented cage has a more efficient setup, but it only becomes a cloud when self-service, automation, and metering are added.
Why this matters for Nigeria
Customers spent US$143.4 billion on cloud infrastructure in the second quarter of 2026 alone, with Amazon, Microsoft, and Google capturing about 63 per cent of that spending. None of them runs a full cloud region in Nigeria.
Amazon has a smaller facility called a Local Zone in Lagos, but for Microsoft, Google, and Oracle, the nearest full regions are in South Africa. So when a Nigerian bank says its data is “in the cloud”, that data is often outside the country.
That is why the Central Bank of Nigeria’s order to keep payment data on local infrastructure by 1 January 2027 puts this distinction at the centre of the debate. Moving data home requires local data centres and local cloud platforms that offer the ease, scale, and reliability banks expect. Operators such as MTN, which launched cloud services alongside a new Tier III data centre in Lagos in 2025, are starting to fill that gap.
Power and progress in Nigerian infrastructure
A Tier III data centre is built on the assumption that the public grid will fail. Rack Centre in Lagos runs entirely off-grid on its own 13.5 MW gas-powered system and reports 100 per cent uptime since 2013. Where electricity does matter is cost: generating your own power is expensive, and that shows up in prices. That is a real competitiveness issue, but a different story from “Nigerian data centres keep going down because of NEPA.”
When I chose a data centre for a bank’s workloads in 2012, there was only one commercial option worth serious consideration. Rack Centre in Ikeja opened in 2013 and later became the first facility in Nigeria and West Africa to win Uptime Institute Tier III design certification.
Today, industry counts put Nigeria at around 26 operational data centres, about 28 including those being built, with 210 to 300 MW of capacity expected by 2030. In my experience, the leading operators have not lost a minute of service to a power failure.
A data centre is the foundation; a cloud platform is what you build on it. Nigeria now has a strong, professionally run foundation. The next challenge, made urgent by data localisation and demand for AI, is building cloud platforms on top of it.
Policymakers, journalists, and business leaders should ask not only “Do we have enough data centres?” but “Do we have cloud platforms to make them useful?”
Remi Adejumo is a Cloud and Infrastructure Architect with over 20 years’ experience in cloud computing, data centres, virtualisation, and enterprise IT transformation across the UK, the US, and Africa.