Gemini Data Center / Sioux Falls Technology Park
Sioux Falls, Minnehaha County, SD
PermittingPartially sourcedStatus confidence: lowunknown
Proposed ~500 MW hyperscale campus on ~164 acres northeast of Sioux Falls near I-90 and Xcel's Split Rock substation; ~160 acres annexed October 2025. Construction targeted 2026, operational 2028.
Announced capacity
500 MW
Operational capacity
Unknown
First power
Unknown
Owner
Not publicly disclosed
Developer
What we know
- Status: Permitting
- Announced campus capacity: 500 MW
- Developed by Gemini Data Center SD LLC
What remains unknown
- No utility-approved grid capacity on record
- No interconnection queue position identified
- No behind-the-meter generation identified
- No operational capacity on record
- Tenant not publicly disclosed
- Investment amount not publicly disclosed
- Gas supply not confirmed
- Water supply not confirmed
Overview
The essential facts on record for this project and how confident we are in them.
Codename
Unknown
Alternate names
Unknown
Type
unknown
County
Minnehaha County
State / province
SD
City
Sioux Falls
Market
Unknown
ISO / RTO
Unknown
Utility
Unknown
Power profile
Images & site
Site imagery and location context.
No imagery on record yet.
Coordinates
43.6000, -96.6600(approximate — county-level)
Gross acres
Unknown
Net developable acres
Unknown
Contiguous usable acres
Unknown
Companies & participants
1 on recordEvery organization and person with a known role in this project, with the evidence behind each relationship.
| Role | Party | Assertion | Confidence | Start | End |
|---|---|---|---|---|---|
| developer | Gemini Data Center SD LLC | reported | low | Unknown | current |
Capacity & phases
How big this project is, by each distinct measure. These figures measure different things and are never added together.
Announced campus capacity500 MWactualreported
All current records
| Type | Kind | Scope | Value | As of | Assertion | Confidence |
|---|---|---|---|---|---|---|
| announced campus | actual | Campus | 500 MW |
Grid power
0 grid connectionsThe project's path to utility power: interconnection requests, approvals, and delivery infrastructure.
No grid connection records for this project.
Behind-the-meter generation
0 unit groupsPower generated on site without going through the utility grid.
Grid and behind-the-meter supply are modeled separately.
No behind-the-meter generation records for this project.
Natural gas
0 supply recordsGas supply arrangements feeding on-site generation.
No gas supply records for this project.
Water & cooling
0 source recordsWhere the project's water comes from and how the facilities are cooled.
No water supply records for this project.
Cooling technology (facilities)
No campus is linked to this project; no facility cooling data.
Fiber & connectivity
0 routesNetwork connectivity: routes, carriers, and diversity.
No fiber route records for this project.
Land & expansion
The land under the project and how far the site could ultimately grow.
Gross, net developable, contiguous usable, and adjacent expansion acreage are distinct figures and are never conflated. Contiguous usable acreage is the binding figure for single-campus buildout.
Gross acres
Unknown
Net developable
Unknown
Contiguous usable
Unknown
Adjacent expansion
Unknown
No land profile recorded for this project.
Control type
Unknown
Zoning status
Unknown
Zoning designation
Unknown
Entitlements
Unknown
Construction & equipment
Who is building the project and the major equipment on order.
No construction or equipment intelligence on record yet.
Capital, financing & contracts
What the project costs, how it is financed, and the commercial agreements behind it.
Est. total cost
Not publicly disclosed
Infrastructure cost
Not publicly disclosed
Generation cost
Not publicly disclosed
Capex per MW
Not publicly disclosed
Financing structure
Unknown
Agreements
No agreements on record for this project.
Some commercial terms may be restricted at your access level.
Permits & incentives
Permits, zoning, tax arrangements, and public incentives.
Incentives
Unknown
Property tax
Unknown
Zoning status
Unknown
Zoning designation
Unknown
Entitlements
Unknown
Incentive agreements
No incentive agreements on record for this project.
Related policy
No policy items linked to this project.
Timeline
1 entriesEvery dated event on record, newest first. Superseded entries stay visible.
date unknown
Expected: 2028expectedcod
Recent changes
last 2What changed in this record recently, and why.
| Date | Field | Change | Cause |
|---|---|---|---|
| 2026-07-15 | capacity rollup | {"rollup":{},"headlineMw":null}->{"basis":"announced_campus","rollup":{"announced_campus":... | system rollup |
| 2026-07-15 | executive summary | (empty)->Proposed ~500 MW hyperscale campus on ~164 acres northeas... | claim accepted |
Risks & open questions
13 transparent dimensions, no single unexplained scoreOur readiness assessment across thirteen dimensions, plus known risk notes and open questions.
| Dimension | Rating | Conf | Evidence summary | Open questions | Blocking issues | Last verified |
|---|---|---|---|---|---|---|
| Land control | Unknown | unknown | Unknown | Unknown | Unknown | Unknown |
| Contiguous land | Unknown | unknown | Unknown |
Sources & evidence
1 distinct sourceEvery source cited by the accepted facts in this dossier.
Sources cited on accepted claims for this project and its child records, scoped to your access level.
| Title | Publisher | Tier | Type | Published | Retrieved |
|---|---|---|---|---|---|
| Gemini Data Center / Sioux Falls Technology Park - datacenterdynamics.com | datacenterdynamics.com | T3 | news article | Unknown | 2026-07-13 |