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Datacenter Sites in Sac County, Iowa

Sac County has 19 scored datacenter candidate sites averaging 54.9/100 DC Readiness, with a catalogued aggregate of 800 MW. FEMA rates local natural-hazard risk as "Relatively Moderate". The county has a datacenter tax incentive on record.

At a glance

Sac County, Iowa has 19 scored datacenter candidate sites averaging 54.9/100 DC Readiness, roughly in line with the Iowa average of 56.3. It ranks 41st of 85 Iowa counties by number of sites and 55th by average score. The top-scoring site is Substation-Adjacent site · dcb32131 at 58.2/100.

19
Candidate sites
54.9/100
Avg DC Readiness
800 MW
Catalogued capacity
theoretical aggregate
Relatively Moderate
Hazard rating
◆ Loading map…
≥ 7560–7540–60≤ 40
Top 19 in Sac County

Site-selection context for Sac County

Yessales_tax_exemption
Datacenter tax incentive
8.72¢/kWh
Commercial electricity
6.74¢/kWh
Industrial electricity
8
Fiber providers
Low
Water stress
$11,519
Land price / acre
900
Cooling degree days
6,500
Heating degree days
48°F
Mean annual temp

Incentive detail: Sales tax exemption on DC equipment for $1M+ investments; property tax phase-in for new construction.

How does Sac County compare with other counties in Iowa?

By number of scored sites, Sac County ranks 41st of the 85 Iowa counties with a county page, holding 0.7% of the state's 2,572 sites. Its average DC Readiness of 54.9/100 ranks 55th in the state and is roughly in line with the national average of 53.0. Nationally it has the 1783rd-largest site inventory of 2,964 counties with five or more sites. 0 sites score 70 or higher and 15 score 55 or higher.

What types of datacenter sites are in Sac County?

Substation-Adjacent sites are the most common (15, 79% of the county's inventory), followed by former mine (4). Site type reflects how the parcel was identified — next to a substation, on a former mine or brownfield, on industrial or federal excess land — and is scored on the same 14 factors either way.

What are power cost, hazard, water and fiber conditions in Sac County?

Industrial electricity averages 6.74¢/kWh and commercial 8.72¢/kWh. FEMA's National Risk Index rates the county "Relatively Moderate" (30). WRI water stress is low. 8 fiber providers report service in the county. The climate runs 900 cooling degree days a year with a mean temperature of 48°F. Land is valued around $11,519 an acre.

By site type

Top datacenter sites in Sac County

Top datacenter sites in Sac County
SiteTypeVoltageCapacityQueue waitScore
UNKNOWN130423Substation-Adjacent161 kV100 MW4.3 yrs58.2
UNKNOWN168169Substation-Adjacent69 kV50 MW4.3 yrs56.0
TAP168172Substation-Adjacent69 kV50 MW4.3 yrs56.0
TAP168168Substation-Adjacent69 kV50 MW4.3 yrs56.0
UNKNOWN168171Substation-Adjacent69 kV50 MW4.3 yrs55.9
TAP168166Substation-Adjacent69 kV50 MW4.3 yrs55.8
TAP168170Substation-Adjacent69 kV50 MW4.3 yrs55.8
UNKNOWN168163Substation-Adjacent69 kV50 MW4.3 yrs55.6
TAP168165Substation-Adjacent69 kV50 MW4.3 yrs55.4
TAP168178Substation-Adjacent69 kV50 MW4.3 yrs55.4
UNKNOWN168181Substation-Adjacent69 kV50 MW4.3 yrs55.3
TAP168162Substation-Adjacent69 kV50 MW4.3 yrs55.2
TAP168174Substation-Adjacent69 kV50 MW4.3 yrs55.2
UNKNOWN168175Substation-Adjacent69 kV50 MW4.3 yrs55.1
UNKNOWN168182Substation-Adjacent69 kV50 MW4.3 yrs55.1
Mine SiteFormer Mine——4.3 yrs52.1
Mine SiteFormer Mine——4.3 yrs52.0
Mine SiteFormer Mine——4.3 yrs51.8
Mine SiteFormer Mine——4.3 yrs51.8

Every scored site in Sac County

All 19 sites, best first.

Sac County datacenter FAQ

How many datacenter sites are in Sac County?

19 scored datacenter candidate sites, averaging 54.9/100 DC Readiness. That is the 41st-most of 85 Iowa counties with five or more sites.

What is the highest-scoring datacenter site in Sac County?

Substation-Adjacent site · dcb32131 scores 58.2/100 DC Readiness, the highest of the 19 scored sites in Sac County (a substation-adjacent site).

Does Sac County offer datacenter tax incentives?

Sales tax exemption on DC equipment for $1M+ investments; property tax phase-in for new construction.

What is the natural-hazard risk in Sac County?

FEMA's National Risk Index rates Sac County as "Relatively Moderate" (score 30).

What are industrial electricity rates in Sac County?

Average industrial electricity is 6.74¢/kWh and commercial is 8.72¢/kWh in Sac County.

More in Iowa

About this data

Source: GridCensus composite of HIFLD transmission and substation data, EIA, FEMA National Risk Index, FCC broadband data, PeeringDB and ISO interconnection queues, as published November 12, 2026 — GridCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.

Cite as: GridCensus, “Datacenter candidate sites in Sac County, Iowa”, https://gridcensus.com/datacenter-sites/iowa/sac-county (data as of November 12, 2026).

Dataset updated . Screening estimates derived from public data sources.

Go deeper than the public screen

Every site and score for Sac County, Iowa is free to browse. Pro adds Watchtower on 25 sites, alerts when new candidate sites, datacenters or interconnection-queue requests appear in your markets, score and capacity history, and CSV export. Enterprise adds team seats, weekly data files for all 147,272 sites, the REST API and an MCP server for AI tools.

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