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DataCentersExposed
Operatinghyperscale

Microsoft data center, Dallas County, IA

Dallas County, IA

Source: OpenStreetMap

Microsoft data center in Dallas County, IA is an operating facility, operated by Microsoft Corporation. DataCentersExposed has documented 106 MW of reported power capacity and a 39,146 sq ft footprint at this site.

Reporting by · Updated Jun 14, 2026

Real parent
Microsoft Corporation
Operator
Microsoft Corporation
Power
106 MW
Footprint
39,146 sq ft
Utility
Midamerican Energy Co
Grid
MISO
Attribution & capacity confidence:mediumprimary source
Status · click to filter

Most sites are mapped — located but awaiting a second source. How we verify

Dot size = disclosed capacity (MW). Smallest = undisclosed, not small.

Overview

source: link

This operating hyperscale data center in Dallas County, Iowa is run by Microsoft Corporation, the same company that ultimately owns it. The site draws a reported 106 MW of power and covers 39,146 square feet, pulling electricity from Midamerican Energy Co on the MISO grid.

Operator chain

The grid behind this site, right now

source: MISO · gridstatus
Clean right now
54%
Fossil right now
42%
Grid operator
MISO
  • Wind21.6%
  • Natural Gas21.4%
  • Coal20.5%
  • Solar18.4%
  • Nuclear14.1%
  • Imports2.2%
  • Other1.8%

Real-time generation mix for the MISO grid this site draws from, as of Jun 16, 2026, 4:35 PM. ISO-wide, not this facility's own metering. Source: gridstatus.

Tax breaks & subsidies

source: Good Jobs First / GASB 77

These tax breaks are recorded to Microsoft Corporation (the operator/parent) and may cover this or other sites — no state names the recipient at the facility level.

Dollar value not disclosed for these records.
  • Texas Qualifying Large Data Center Project Exemption$0
    State of Texas · granted 2024 · term yr · source
  • Texas Qualifying Large Data Center Project Exemption$0
    State of Texas · granted 2023 · term yr · source
  • Qualified Data Center Sales Tax Exemption$0
    State of Wisconsin · granted 2023 · term yr · source
  • Texas Qualifying Large Data Center Project Exemption$0
    State of Texas · granted 2022 · term yr · source
  • Texas Qualifying Data Center Exemption$0
    State of Texas · granted 2021 · term yr · source
  • Texas Qualifying Large Data Center Project Exemption$0
    State of Texas · granted 2015 · term yr · source
  • Texas Qualifying Data Center Exemption$0
    State of Texas · granted 2013 · term yr · source
  • Texas Qualifying Data Center Exemption$0
    State of Texas · granted 2013 · term yr · source

Water use

Modeled estimate~2.1M gpd
Direct (onsite cooling)
~967.8K gpd
Indirect (its electricity)
~1.1M gpd

No measured record exists, so this is a low-confidence model from 106 MW (disclosed IT power): 1.8 L/kWh cooling (temperate climate) + 0.55 gal/kWh embedded in MISO grid mix. How we estimate. Have a utility document? Send it and we'll replace this with the real figure.

EPA permits & violations

source: EPA ECHO

No reported violations as of last sync.

Air quality near this site

source: AirNow
58
PM2.5
Moderate
33
O3
Good

Air Quality Index from the nearest AirNow reporting area (Des Moines), as of 2026-06-10. Regional context — not this facility's own emissions.

Who lives nearby

source: Census ACS 2023
Median household income
$120.8K
People of color
17%
Below poverty
11%
Tract population
4,680

Demographics of the census tract this facility sits in (American Community Survey 5-year estimates). Environmental-justice context for who bears the local impacts.

Nearest school

source: HIFLD / NCES

The nearest public school, Woodland Hills Elementary School in West Des Moines, is 1.0 mi from this site (537 students).

Schools are sensitive receptors for the noise, backup-generator exhaust, and traffic a large data center brings. Straight-line distance to the nearest public school (HIFLD/NCES, US public schools only).

Hearings timeline

No public-hearing records linked to this site yet. We surface planning-commission and board-of-supervisors dates when a record names a facility. If you know of a hearing on this site, tell us.