Powered by the sun on the surface. Sealed in steel on the seabed. Built for a country that has almost no land to spare.
A data centre is really just a very large heater with computers inside. Everything expensive about running one comes down to a single question: where does the heat go?
There is no land for a solar farm, so the panels float. Maldivian resorts have been doing exactly this at sea since 2014 — more than fifty islands already run on it. One capsule needs about 8,600 panels on roughly four hectares of lagoon.
The lagoon is bath-warm all the way down, so it is useless for cooling. But 250 metres below, the ocean sits at 14 °C all year. We send a pipe down for it. Pumping that water costs less than one percent of the power the computers use.
The computers live in a sealed steel cylinder filled with dry nitrogen — no air, no damp, no dust, nobody walking around. Hardware sealed this way has been shown to fail about one-eighth as often as the same kit on land.
The rest is ocean. Most islands can be walked around in half an hour.
A conventional data centre wants several thousand square metres of serviced, connected land — and in Malé that land does not exist until it is dredged out of the lagoon and paid for. Then it competes with housing, with the port, with tourism.
Meanwhile the country burns imported diesel for more than nine tenths of its electricity, and makes its drinking water by pushing seawater through membranes using that same power. A big air-conditioned building is close to the worst thing you could put here.
So we stopped asking for land. The capsule sits on the seabed and takes up about as much room as a shipping container. The power floats on the water above it.
Five steps, and no refrigeration anywhere in the chain.
Panels float on the lagoon beside the island. No land is cleared and nothing is reclaimed.
Computers run around the clock; the sun does not. Batteries move daytime power into the dark hours.
A pipe reaches 250 metres down for water at 14 °C and brings it to a heat exchanger on shore.
Cold water is piped to plates sitting right on the processors. No chillers, no cooling towers, no evaporation.
Warmed seawater returns deep, where it is still denser than the surface, so it sinks away and never warms the reef.
Figures are design targets for the first capsule, drawn from the project’s engineering package. The sealed-hardware reliability figure comes from Microsoft’s Project Natick, which ran a sealed underwater data centre for two years off Orkney. The full technical basis, including what is still unproven, is set out in the engineering brief — available on request.
Nothing here needs inventing. It needs building once, carefully, where anyone can come and look at it.
A full design package exists and has been independently checked — the hull, the cooling, the power, the marine work, the safety case.
Seabed rights, insurance, power, a first customer, and a firm price. Six clear yes-or-no answers before a single tonne of steel is ordered.
One capsule built, installed, run for a year — and then lifted back out again to prove it can be serviced and returned.
The cold-water pipe is built for the full size from day one. Growing means adding capsules beside the first, not starting again.
We are raising for the first capsule and talking to anyone who wants computing that does not cost an island.