Vietnam Data Centre Regional Competition vs ASEAN Peers

Southeast Asia is running a contest for who hosts the region’s data, and Vietnam has just walked onto the field with 221 MW of capacity across 41 sites. The question is no longer whether Vietnam has digital infrastructure, but where it ranks against Singapore, Malaysia, Indonesia and Thailand. This piece looks squarely at that competitive position: where Vietnam wins on cost and power, and where it still trails on latency, subsea cable and scale.

Each market in the region plays a different hand. Singapore has the connectivity and the trust but has run out of land and power. Malaysia’s Johor, right across the strait, is soaking up Singapore’s overflow. Indonesia has a vast domestic market but a coal-heavy grid. Thailand sits at the centre of the peninsula. The interesting question is which gap Vietnam slots into among those four rivals, and how long it can hold it.

The competitive map: five players, five hands

Set the five markets side by side and each is strong in a different way. Singapore remains the regional anchor with more than 1 GW of installed capacity, dense subsea-cable links and the confidence of global customers — but the island has hit limits on land and power severe enough that it once froze new-build approvals. Malaysia, and Johor in particular right on the strait, has become the place that catches Singapore’s overflow with cheap power and available land. Indonesia plays the giant-domestic-market card. Thailand leans on its central position in the Indochina peninsula.

Vietnam arrives late, with 221 MW across 41 sites as of 2025 — small against Singapore, but on a steep trajectory. Its position rests less on current scale than on a combination the rivals lack: land still available, large renewable-power potential, a young population and a government keen to host hyperscale capacity.

This is not a winner-take-all race. The region is large enough for several hubs to coexist. But rank matters: whoever sits at the top tier draws the bulk of hyperscale capital, and with it the ecosystem of suppliers, talent and subsea cable. Vietnam is racing not to be sorted into the lower tier.

The cost hand: where Vietnam wins big

Cost is Vietnam’s clearest advantage. Land and power run well below Singapore and Malaysia, and labour is among the most affordable in the region. In a capital-intensive industry where returns hinge on operating efficiency, that gap feeds straight through to how attractive a project looks.

Against Singapore the gap is wide. The island carries some of Asia’s highest power and land-lease costs, so every megawatt sited there costs several times more. That is exactly why Johor has boomed: customers want to sit close to Singapore on latency while paying less. Vietnam competes in the same gap, with the added pull of more land than an increasingly tight Johor.

The market Vietnam has to watch is Indonesia, where land and labour are also cheap and the domestic market is far larger. Vietnam’s cost edge is therefore not absolute — it has to travel with something else to keep customers. That is where power and regulation come in.

The power hand: renewables versus coal

Data centres draw power like a small town, so energy is both a weakness and a sorting line between countries. This is where Vietnam pulls ahead of Indonesia in a way that matters strategically. With more than 20 GW of installed solar and wind by 2025, Vietnam offers hyperscale customers a route to renewable power that Indonesia, still coal-heavy, struggles to match.

Hyperscale customers today want clean power, not merely power, to square with their own emissions commitments. An abundant renewable base makes Vietnam the easier choice on that axis, though the detail of the energy mechanics and the ESG edge is examined in a separate companion piece.

The flip side is reliability. Vietnam has had bouts of power shortage that disrupted industry, and that is where Singapore and Malaysia score: stable grids, low risk of curtailment. To turn the renewable hand into a winning one, Vietnam has to prove supply is durable and uninterrupted — cheap and green alone won’t close it.

The latency and cable hand: where Vietnam trails

This is the front where Vietnam is weakest against the region. Data centres live on connectivity: the number of subsea cables, latency to major cities, the density of transmission. Singapore wins outright here — it is the landing point for dozens of subsea cables, with the lowest latency to the rest of Asia. That is why, expensive and crowded as it is, Singapore keeps its crown.

Vietnam connects to the world through a handful of subsea cables, and those cables have repeatedly broken at the same time, slowing the whole country. For latency-sensitive workloads such as finance and real-time serving, that is a genuine mark against it. Customers weighing whether to put core workloads in Vietnam have to price in that connectivity risk.

Against that, not every workload is latency-sensitive. The things that run in the background, such as storage, backup and batch AI-model training, care more about cost and power than a few milliseconds. Vietnam can win that layer first, then use the revenue to thicken its subsea links and pull latency-sensitive workloads in over time. Regional position will be built in layers, not won in one shot.

The regulatory hand: data localisation as both wall and floor

Each market in the region uses regulation to shape its market its own way, and Vietnam has chosen data localisation as its lever. Rules requiring sensitive data to be stored domestically hand sites located in Vietnam a guaranteed base of demand: a global firm that wants to serve Vietnamese users has to put kit here, it can’t route everything back to Singapore.

Against the region this cuts both ways. Indonesia has similar localisation rules, so the advantage isn’t unique. Singapore took the opposite road of free data flows and few barriers, and that openness is part of what draws regional customers to the island. Vietnam makes a trade: it locks in domestic demand, but it is harder for it to become a cross-border data transit point the way Singapore is.

The cost that comes with it is rising complexity. Requirements on cybersecurity, environmental standards and foreign ownership are tightening, forcing investors to weigh opportunity against compliance load. In the regional race, the country whose legal framework both protects data sovereignty and avoids choking off foreign capital takes the edge — and that is a balance Vietnam is still working out.

Where Vietnam ranks, and how long it holds

Add the five hands together and Vietnam’s position comes into focus. It wins on cost, wins on clean-power potential, draws level on localisation, but trails on latency and subsea cable, and still owes a proof of power reliability. That is the profile of a rising challenger, not yet a leader.

Its most direct rivals are not Singapore but Malaysia and Indonesia. Johor competes for exactly the low-cost-near-Singapore gap Vietnam is aiming at, and is ahead on infrastructure. Indonesia competes on the scale of its domestic market. Vietnam has to set itself apart through the combination of available land plus renewable power — something Johor is running short of and Indonesia struggles to match.

The timing window is real. Over the next few years, as hyperscale capital allocates long-term positions across Southeast Asia, the ranking will gradually set. Build scale fast enough and patch the connectivity gap, and Vietnam makes the top tier; move slowly and it becomes a second-tier market taking the overflow. The race waits for no one.

Conclusion

Vietnam doesn’t need to beat Singapore to win — the island’s hold on connectivity is hard to overturn. The real test is to climb above Malaysia and Indonesia in the low-cost tier now fighting over the region’s overflow. On that axis, the cost hand plus renewable power gives Vietnam a genuinely strong start.

But regional position does not follow automatically from a cost advantage. It demands patching the subsea-cable weakness, proving power reliability, and keeping a legal framework open enough that foreign capital doesn’t flinch. Get that right and Vietnam becomes a real pole on the ASEAN data-centre map. Get it wrong and the early momentum drains toward Johor and Jakarta. The competitive field is open, and it won’t stay open forever.

Lotus Investment Group advises on cross-border M&A and FDI into Vietnam and Southeast Asia. If you are underwriting Vietnam exposure, get in touch.