Microsoft Project Osmium

190 MW AI data center in West Des Moines, IA, United States: operational.

Microsoft Project Osmium is a 190 MW AI data center project located in West Des Moines, IA, United States, currently operational. It is being built by Microsoft for tenant OpenAI. The estimated build cost is $1.5B. Its energy source is listed as Microsoft says it matches 100% of energy used by Iowa datacenters with renewable energy; facility-level hourly supply is not selected. This project is one of thousands of data-center facilities tracked by Data Center Index across IA, United States, covering operational, under-construction, announced, and permitted sites.

Notes

Users: OpenAI; Epoch 'Current power' = 190 MW (may include campus expansions); Cost modeled at ~$44B/GW by Epoch AI

Public companies linked to Microsoft Project Osmium

Developers, tenants, and suppliers tracked by Data Center Index with exposure to this project:

Related data center projects

Frequently asked questions

What is Microsoft Project Osmium?
Microsoft Project Osmium is an AI data center project in West Des Moines, Iowa tracked by Data Center Index. Its status is operational.
Where is Microsoft Project Osmium?
Microsoft Project Osmium is in West Des Moines, Iowa. Every tracked Iowa campus, with counts and capacity, is at https://datacenterindex.ai/markets/iowa.
How big is Microsoft Project Osmium?
Data Center Index tracks Microsoft Project Osmium at 190 MW, on an estimated $1.5B build. That capacity is an estimate. We modeled or inferred it, and no source states it.
Who is building Microsoft Project Osmium?
Microsoft is developing Microsoft Project Osmium, with OpenAI named as the tenant.
Which public companies are linked to Microsoft Project Osmium?
Data Center Index links 3 tracked public companies to Microsoft Project Osmium: Microsoft (MSFT), OpenAI (OPENAI), Jacobs Solutions (J). Each is a developer, tenant or supplier with a sourced link to the project.

Sources

  1. Go West Des Moines (city economic development) (gowestdesmoines.com · press · 2020-09-29)
  2. Business Record (Des Moines) (businessrecord.com · press · 2023-09-20)
  3. Microsoft Project Osmium | AI Data Centers (epoch.ai · aggregator · 2026-09-11)
  4. Wisconsin Public Radio (wpr.org · press · 2026-09-12)