# Microsoft Project Mountain Data Center

MISO data center · https://askthegrid.com/assets/facilities/microsoft-project-mountain-data-center

Microsoft's Project Mountain is its first data center campus in West Des Moines, Iowa, at 8855 Grand Ave. Announced in 2008 and started in 2010, it opened in 2012, according to Microsoft. A $677.6 million expansion announced in 2013 carried up to $20 million in state tax credits. The Business Record lists the campus at 41 acres and 487,927 sq ft. Iowa DNR tracks it as a minor air source under the name Microsoft DM1-4 Data Center.

## Identity and location

- Operating status: operating
- Asset scope: campus
- Location: 8855 Grand Ave, West Des Moines, IA
- Operator: Microsoft (campus) — https://news.microsoft.com

## Development

- Construction: Announced in August 2008 and delayed, construction began in June 2010; a $677.6 million expansion announced in 2013 was scheduled to finish by the end of 2015.

## Compute and operations

- Facility classes: hyperscale, cloud

## Sources

- [Facility Explorer and Maintenance System](https://facilityexplorer.iowadnr.gov/FacilityExplorer/SiteDetail.aspx?facID=312531347)
- [U.S. Census street-address geocode](https://geocoding.geo.census.gov/geocoder/geographies/onelineaddress?address=8855+Grand+Ave%2C+West+Des+Moines%2C+IA&benchmark=Public_AR_Current&vintage=Current_Current&format=json)
- [How a small city in Iowa became an epicenter for advancing AI - Source](https://news.microsoft.com/source/features/ai/west-des-moines-iowa-ai-supercomputer/)
- [West Des Moines, IA : City News](https://web.archive.org/web/20160926170001/http://www.wdm.iowa.gov/Home/Components/News/News/4420)
- [Growth of data centers in Iowa - Business Record](https://www.businessrecord.com/growth-of-data-centers-in-iowa/)
- [Microsoft Plans Major Expansion of Iowa Data Center](https://www.datacenterknowledge.com/hyperscalers/microsoft-plans-major-expansion-of-iowa-data-center)

## Data quality

- Power values retain their reported, requested, contracted, energized, gross-campus, or critical-IT basis.
- Map point: approximate U.S. Census street-address geocode.

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Canonical page: https://askthegrid.com/assets/facilities/microsoft-project-mountain-data-center
Profile generated: 2026-10-09T14:39:05.730824Z
Source: Ask the Grid — https://askthegrid.com/