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Data Holdings Data Center

OperatingUnclassifiedSiteMilwaukee, Milwaukee County, Wisconsin
30% profile completeness
14 claims from 6 sources
Current facility power
Not yet sourced
Planned capacity
Not yet sourced
Floor area
Not yet sourced
Buildings (planned)
Not yet sourced
Capital cost / investment
Not yet sourced
First operational
Not yet sourced

POWER & GRID

Time-to-power · verification · interconnection
Time to power
Operating (community-mapped, unverified)
Low confidence
Project verification
Unverified
Evidence is limited to community map.
Current stage
Operational
Furthest stage with documented evidence
Utility · ISO
We Energies · MISO
Substation: 28th Street Substation (138 kV) (nearest, unverified)

Power reality

Announced
No record
Interconnection request
No record
Contracted / approved
No record
Under construction
No record
Operational
No record
AI evidence brief
Summarizes only the evidence on this page. Answers citing anything else are rejected automatically.

Project verification

Development
  1. Announcedimplied by a later stage
  2. Land acquiredimplied by a later stage
  3. Planning / zoningimplied by a later stage
  4. Permittingimplied by a later stage
Grid interconnection
  1. Interconnection application
  2. Feasibility study
  3. System impact study
  4. Facilities study
  5. Interconnection agreement / service contract
Build & energization
  1. Financing
  2. Under constructionimplied by a later stage
  3. Energizationimplied by a later stage
  4. OperationalSep 27, 2026
    Community map
    • Sep 27, 2026 · Reported status: operating[1]

● documented · ◌ implied by a later stage · ○ no evidence found. Dates are those of the earliest dated evidence, which can be later than when a stage actually began. Evidence classes: Community map.

Grid path

  1. facility
    Data Holdings Data Center
  2. substation
    28th Street Substation (138 kV)[1]
    Proximity onlyUnverified
    Nearest mapped substation, 1.15 km away. Proximity does not establish that it serves the site.
  3. transmission
    138 kV line[1]
    Proximity onlyUnverified
    Highest-voltage line mapped within 2 km (1.19 km away). Not confirmed as the supply path.
  4. utility
    We Energies[2]
    Service territoryLikely
    Retail service territory containing the site
  5. ISO / RTO
    MISO[3]
    Service territoryLikely
    Balancing authority: MISO
Substation capacity:
not published
Required upgrades:
not yet sourced
Congestion:
not yet sourced (no nodal price data)

Dashed boxes are based on proximity only and do not establish which asset serves the site.

Interconnection records

No interconnection-queue record is linked to this site. Of the ISOs we ingest, only NYISO publishes large-load requests; PJM, ERCOT, MISO, SPP and CAISO queues list generation only.

On-site & dedicated generation

No on-site, behind-the-meter or dedicated generation found in sources.

Location & imagery

Street address
Coordinates
43.04394, -87.95398
Address
3135 West Highland Boulevard, Milwaukee, WI 53208-3251[1]Likely
County
Milwaukee County
Photographs

No openly licensed ground-level photos matched to this site yet.

Ownership, operation & customers

  1. 1. Property owner of record
    Not identified
  2. 2. Owner / developer
    Potawatomi Business Development Corporation(unreviewed)[1]Likely
  3. 3. Operator
    Not identified
  4. 4. Tenant / cloud
    Not identified
  5. 5. End customer / workload
    Not identified
Power supply
Utility:
We Energies[2]Likely

Each link is sourced separately. The property owner of record is often a special-purpose entity; the same company appearing in two roles is shown only when sources say so.

All parties with evidence
Owner
Utility
We Energies[2]Likely

Location falls inside this utility's retail service territory.

No tenants or end users identified in our sources yet.

Power (all fields)

Current facility power
Not yet sourced
Planned capacity
Not yet sourced

Capacity figures are nameplate or contracted; annual consumption is a labeled model estimate, not metered data.

Grid & electricity

ISO / RTO
MISO[3]Likelyderived

Location falls inside this ISO/RTO footprint.

Balancing authority
MISO[2]Likelyderived

Control area of the containing utility territory.

Nearest mapped substation
28th Street Substation (138 kV)[1]Likelyderived

Nearest substation mapped in OpenStreetMap; proximity does not establish which substation serves the site.

Distance to substation
1.2 km[1]Likelyderived
Highest-voltage line nearby
138 kV[1]Likelyderived

Highest-voltage transmission line mapped within 2 km.

State avg. industrial price
10.46¢/kWh[5]Confirmed

Wisconsin statewide average, July 2026.

State avg. commercial price
13.93¢/kWh[5]Confirmed

Wisconsin statewide average, July 2026.

Generation within 50 km
4.3 GW[6]Confirmedderived

23 EIA-reported plants within 50 km.

Generation queued in county
1.44 GW[4]Confirmedderived

2 active generation interconnection requests in Milwaukee County: Gas 1,138 MW, Storage 300 MW. Queued projects often don't get built.

Interconnection status
Not yet sourced
Contracted / committed power
Not yet sourced
Nearby infrastructureTypeDistanceVoltage / capacitySource
138 kV line · American Transmission CompanyTransmission line1.19 km138 kV[1]
Valley (Wi) · Wisconsin Electric Power CoPower plant (Natural Gas)2.9 km267 MW[6]
Mmsd Jones Island Wastewater · Milwaukee Metro Sewerage DistPower plant (Natural Gas)5 km27 MW[6]
Germantown · Wisconsin Electric Power CoPower plant (Petroleum)23.1 km255 MW[6]
Elm Road Generating Station · Wisconsin Electric Power CoPower plant (Natural Gas)23.8 km1.27 GW[6]
South Oak Creek · Wisconsin Electric Power CoPower plant (Coal)24.3 km616 MW[6]
Port Washington Generating Station · Wisconsin Electric Power CoPower plant (Natural Gas)38.5 km1.24 GW[6]
Paris (Wi) · Wisconsin Electric Power CoPower plant (Natural Gas)42.3 km360 MW[6]
Paris Solar · Wisconsin Electric Power CoPower plant (Solar)42.8 km200 MW[6]
28th Street Substation · American Transmission CompanySubstation1.15 km138 kV[1]
WalkerSubstation1.36 km138 kV[1]
Park Hill Substation · American Transmission CompanySubstation1.58 km138 kV[1]
Center SubstationSubstation2.72 km—[1]
Valley Substation · WE EnergiesSubstation2.8 km—[1]
Largest queued generation in this countyFuelQueue statusMWSource
R1053 at Elm RoadMISO R1053GasIA signed1.14 GW[4]
J3006 at Granville345kV SubstationMISO J3006StorageIn study · proposed 2028-03300 MW[4]

Utility, ISO and nearby assets are derived from the site's location. Proximity to a substation or line doesn't establish the interconnection; that needs a utility filing or interconnection-queue record. Queue requests are applications, not commitments — most never reach operation.

Construction & permitting

  1. Announced
    —
  2. Land acquired
    —
  3. Permitting
    —
  4. Construction start
    —
  5. First operational
    —
  6. Expected completion
    —

Real estate

Official assessments
Assessor's value for a tax year

None sourced yet

Recorded transactions
Sale prices from recorded deeds

None sourced yet

Model estimates
Our model — not an appraisal

None sourced yet

Annual property tax
Not yet sourced

No county parcel or assessor records linked yet. County records are currently ingested for Loudoun County, VA and Maricopa County, AZ.

Size

Floor area
Not yet sourced

What changed (last 3 years)

Follow this facility (RSS)

No tracked changes yet. Values are recorded on every data refresh, so changes will appear here over time.

Timeline

No dated events sourced yet.

All claims (provenance audit)

14
FieldValueSourceConfidenceAs ofStatus
NameData Holdings Data Centernode/8165754026 name=Data Holdings Data Center[1] Likely2026-09-27Shown
StatusOperating[1] derivedUnverified2026-09-27Shown
Address3135 West Highland Boulevard, Milwaukee, WI 53208-3251[1] Likely2026-09-27Shown
OwnerPotawatomi Business Development Corporationowner=Potawatomi Business Development Corporation[1] Likely2026-09-27Shown
UtilityWe Energiesterritory 20847: WISCONSIN ELECTRIC POWER CO (INVESTOR OWNED, WISCONSIN ENERGY C[2] derivedLikely2022Shown
ISO / RTOMISOMIDCONTINENT INDEPENDENT TRANSMISSION SYSTEM OPERATOR, INC..[3] derivedLikely—Shown
Balancing authorityMISO[2] derivedLikely—Shown
Nearest mapped substation28th Street Substation (138 kV)way/96783323[1] derivedLikely2026-09-28Shown
Distance to substation1.2 km[1] derivedLikely2026-09-28Shown
Highest-voltage line nearby138 kV[1] derivedLikely2026-09-28Shown
Generation queued in county1.44 GW[4] derivedConfirmed2026-09-27Shown
State avg. industrial price10.46¢/kWh[5] Confirmed2026-07Shown
State avg. commercial price13.93¢/kWh[5] Confirmed2026-07Shown
Generation within 50 km4.3 GW[6] derivedConfirmed202502Shown