Microsoft Is Targeting 26 More Gigawatts of Data Center Capacity

Microsoft is planning to expand its data center fleet to more than 38 gigawatts of capacity by 2032, up from roughly 12 gigawatts today, according to a Bloomberg report published September 11 and carried the same day by Reuters and the data center trade press. The gap between those two figures is about 26 gigawatts of new capacity to be built over six years. Microsoft declined to comment on its building plans, so the number is a reported internal target rather than a company announcement.

The spending behind it is already on the books. Microsoft's capital expenditure rose from $55.7 billion in 2024 to $115.9 billion in 2025 and $145.3 billion in 2026, with roughly $41 billion of that falling in the fiscal fourth quarter alone. The company brought 88 data centers online across five continents in fiscal 2026, 31 of them in the final quarter, and has been averaging about a gigawatt of new capacity every three months. Reaching 38 gigawatts by 2032 means holding slightly above that pace for twenty-four consecutive quarters. Capacity dedicated to AI workloads, roughly 2 gigawatts now, is projected to grow to about a third of the total.

A gigawatt a quarter is not a spike in work. It is a standing order. Each gigawatt carries utility interconnection, substation construction, medium-voltage distribution, switchgear lineups, busway, UPS systems, generator paralleling, and the terminations and acceptance testing that follow. The target also counts leased capacity from third-party operators including CoreWeave, Nscale, Lambda, Iren and Nebius, which means the electrical scope is spread across many developers' sites rather than concentrated on one company's own campuses.

Equipment, not capital, is the binding constraint on that pace. U.S. lead times for high-capacity transformers have stretched to as long as four years, and transformer prices have climbed roughly 80 percent over five years. Demand for generator step-up transformers rose 274 percent between 2019 and 2025, and demand for substation transformers rose 116 percent over the same period. Microsoft is also reportedly extending long-term data center leases from 15 years to 25, a financing change that lowers reported annual spending while stretching the obligation behind it.

For commercial electricians, the hiring consequence is duration rather than volume. A six-year schedule at a steady gigawatt per quarter favors contractors who can hold crews together between phases, and electricians who carry medium-voltage qualification, NFPA 70E training, and commissioning experience from one phase into the next instead of being reassembled for each one. Long procurement windows also pull work forward in the schedule. Switchgear and transformers are ordered before drawings are final, which makes submittal review, factory witness testing, and coordination with the utility part of the job long before anyone pulls wire.

A reported target is not a permit. Siting pauses, interconnection queues, and state rules on who pays for grid upgrades can all move these dates, and several states have already slowed large-load approvals this year. The capital already recorded, though, points in the same direction as the plan.