OptimumHQ

OperatingEst.UnclassifiedSiteMesa, Maricopa County, Arizona

OptimumHQ is an operating data center in Mesa, Arizona. Power capacity has not been disclosed or collected yet. Verification: verified operating. 7 cited sources.

20% profile completeness

24 claims from 7 sources

Last verified against sources: Oct 12, 2026

Newest dated evidence: Oct 12, 2026

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Cite this

Text

Datacenter Source. “OptimumHQ.” /facilities/optimumhq-mesa-az. Data as of 2026-10-12. Accessed 2026-10-12.

BibTeX

@misc{datacentersource_optimumhq_mesa_az_2026,
  title = {{OptimumHQ}},
  author = {{Datacenter Source}},
  year = {2026},
  howpublished = {\url{/facilities/optimumhq-mesa-az}},
  note = {Data as of 2026-10-12; accessed 2026-10-12. Compiled from cited sources, including OpenStreetMap contributors (ODbL) and Epoch AI (CC BY 4.0)},
}

Please also cite the original source of any specific figure (linked beside it).

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

Energized — operating

High confidence

Project verification

Verified operating

Operation documented by government record.

Current stage

Operational

Furthest stage with documented evidence

Utility · ISO

Salt River Project · None (non-RTO region)

Substation: Unnamed substation (69 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

Announcedimplied by a later stage
Land acquiredApr 1, 2007
Government record
- Apr 1, 2007 · Land acquisition / deed recorded[2]
- Apr 1, 2007 · Deed/transfer recorded for parcel 140-66-915 (no sale price disclosed).[2]
- Apr 2, 2007 · Deed recorded for parcel 140-66-915 (owner of record: Lot One Weathers Limited Partnership).[2]
- Apr 2, 2007 · Deed recorded for parcel 140-66-924.[2]
- Dec 22, 2021 · Deed recorded for parcel 140-66-887 (owner of record: Sv Bai Holdings LLC).[2]
- Oct 12, 2026 · Owner of record in county parcel data[2]
Planning / zoningimplied by a later stage
Permittingimplied by a later stage

Grid interconnection

Interconnection application
Feasibility study
System impact study
Facilities study
Interconnection agreement / service contract

Build & energization

Financing
Under constructionimplied by a later stage
Energizationimplied by a later stage
OperationalOct 12, 2026
Community map · Government record
- Oct 12, 2026 · Reported status: operating[1]
- Oct 12, 2026 · County land use: Property use code 1571[2]
- Oct 12, 2026 · County land use: Property use code 1126[2]

● 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: Government record, Community map.

Grid path

facility
OptimumHQ
→
substation
Unnamed substation (69 kV)[1]
Proximity onlyUnverified
Nearest mapped substation, 1.32 km away. Proximity does not establish that it serves the site.
→
transmission
230 kV line[1]
Proximity onlyUnverified
Highest-voltage line mapped within 2 km (0.64 km away). Not confirmed as the supply path.
→
utility
Salt River Project[3]
Service territoryLikely
Retail service territory containing the site
→
ISO / RTO
None (non-RTO region)[4]
Service territoryLikely
Balancing authority: SRP

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.

LOCAL IMPACT

Water · generation · incentives · regulation · rates

Water & cooling

Not yet collected: we haven't found a source for water use or the cooling type at this site. Know one? Add a source

On-site generation & air permits

Not yet collected: we haven't found a source for on-site generation or an air permit for this site. Know one? Add a source

Incentives

Not yet collected: we haven't found a source for tax abatements, PILOTs or other incentives for this project. Know one? Add a source

Regulatory events

Not yet collected: we haven't found a source for hearings, rezonings, permits or commission proceedings. Know one? Add a source

Utility & rates

Not yet collected: we haven't found a source for a large-load tariff or commission docket for Salt River Project. Know one? Add a source

Location & imagery

Street address

Coordinates: 33.38041, -111.75267
Address: 1955 South Val Vista Drive, Mesa, AZ 85206[1]Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure. As of Oct 12, 2026.Likely
County: Maricopa County

Photographs

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

Ownership, operation & customers

1. Property owner of record
Lot One Weathers Limited Partnership(unreviewed)[2]
Sv Bai Holdings LLC(unreviewed)[2]
2. Owner / developer
Not identified
3. Operator
Not identified
4. Tenant / cloud
Not identified
5. End customer / workload
Not identified

Power supply

Utility:

Salt River Project[3]Unverified

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

Property owner of record: Lot One Weathers Limited Partnership(unreviewed)[2]Confirmed
Sv Bai Holdings LLC(unreviewed)[2]Confirmed
Utility: Salt River Project[3]Unverified
Most likely retail provider among 12 overlapping service territories (largest retail sales; territory polygons are approximate). Also overlapping: Wapa-- Western Area Power Administration, Electrical Dist No8 Maricopa, City of Mesa - (Az), Usbia-San Carlos Project, Gila River Indian Utility Authority (Gricua), Maricopa County M W C Dist #1, ….

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: None (non-RTO region)[4]Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Likelyderived
Outside all ISO/RTO footprints; balancing authority shown separately.
Balancing authority: SRP[3]Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Likelyderived
Control area of the containing utility territory.
Nearest mapped substation: Unnamed substation (69 kV)[1]Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure. As of Sep 28, 2026.Likelyderived
Nearest substation mapped in OpenStreetMap; proximity does not establish which substation serves the site.
Distance to substation: 1.3 km[1]Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure. As of Sep 28, 2026.Likelyderived
Highest-voltage line nearby: 230 kV[1]Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure. As of Sep 28, 2026.Likelyderived
Highest-voltage transmission line mapped within 2 km.
State avg. industrial price: 9.35¢/kWh[6]ConfirmedBacked by a filing, deed, permit, interconnection-queue record, or a government or utility record. As of Jul 2026.Confirmed
Arizona statewide average, July 2026.
State avg. commercial price: 13.12¢/kWh[6]ConfirmedBacked by a filing, deed, permit, interconnection-queue record, or a government or utility record. As of Jul 2026.Confirmed
Arizona statewide average, July 2026.
Generation within 50 km: 4.62 GW[7]Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure. As of Jan 1, 202502.Confirmedderived
29 EIA-reported plants within 50 km.
Generation queued in county: 1.12 GW[5]Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure. As of Oct 12, 2026.Confirmedderived
5 active generation interconnection requests in Maricopa County: Solar + storage 1,100 MW, Solar 20 MW. Queued projects often don't get built.
Interconnection status: Not yet sourced
Contracted / committed power: Not yet sourced

Nearby infrastructure	Type	Distance	Voltage / capacity	Source
69 kV line	Transmission line	0.12 km	69 kV	[1]
230 kV line	Transmission line	0.64 km	230 kV	[1]
Santan · Salt River Project	Power plant (Natural Gas)	5.3 km	1.29 GW	[7]
Superstition Energy Storage · Superstition Energy Storage, LLC	Power plant (Batteries)	7.7 km	90 MW	[7]
Ocotillo · Arizona Public Service Co	Power plant (Natural Gas)	15.5 km	605 MW	[7]
Kyrene · Salt River Project	Power plant (Natural Gas)	17.2 km	525 MW	[7]
Copper Crossing Energy and Research Cent · Salt River Project	Power plant (Natural Gas)	35.4 km	88 MW	[7]
West Phoenix · Arizona Public Service Co	Power plant (Natural Gas)	38.3 km	909 MW	[7]
Horse Mesa · Salt River Project	Power plant (Pumped Storage)	44.5 km	151 MW	[7]
Agua Fria · Salt River Project	Power plant (Natural Gas)	47.2 km	741 MW	[7]
Unnamed substation	Substation	1.32 km	69 kV	[1]
Southern Substation · Salt River Project	Substation	2.15 km	69 kV	[1]

Largest queued generation in this county	Fuel	Queue status	MW	Source
HARQUAHALA FLATS 2CAISO 2027	Solar + storage	In study · proposed 2028-04	400 MW	[5]
HARQUAHALA SUNRISECAISO 1678	Solar + storage	In study · proposed 2030-04	300 MW	[5]
VULCANCAISO 1534	Solar + storage	In study · proposed 2027-12	250 MW	[5]
HARQUAHALA SUNRISE 2CAISO 2029	Solar + storage	In study · proposed 2026-09	150 MW	[5]
AGUA CALIENTE SOLAR 2CAISO 1222	Solar	In study · proposed 2016-12	20 MW	[5]

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

Announced
—
Land acquired
Apr 1, 2007[2]
Permitting
—
Construction start
—
First operational
—
Expected completion
—

Real estate

Official assessments

Assessor's value for a tax year

$367,200[2]
Full cash value · tax year 2027 · parcel 140-66-915
$183,852[2]
Limited property value (taxable basis) · tax year 2027 · parcel 140-66-915
$365,600[2]
Full cash value · tax year 2027 · parcel 140-66-887
$183,095[2]
Limited property value (taxable basis) · tax year 2027 · parcel 140-66-887
$373,600[2]
Full cash value · tax year 2026 · parcel 140-66-915
$372,000[2]
Full cash value · tax year 2026 · parcel 140-66-887

Recorded transactions

Sale prices from recorded deeds

None sourced yet

Model estimates

Our model — not an appraisal

None sourced yet

Parcel	Record owner	Acres	Zoning / use	Building sq ft	Source
140-66-915 Maricopa County, AZ	LOT ONE WEATHERS LIMITED PARTNERSHIP 1955 S VAL VISTA DR MESA AZ USA 85204	0.02	CONTACT LOCAL JURISDICTION · Property use code 1571	—	[2]
140-66-887 Maricopa County, AZ	SV BAI HOLDINGS LLC 1753 E BROADWAY RD STE 101 PMB 400 TEMPE AZ USA 85282	0.02	CONTACT LOCAL JURISDICTION · Property use code 1571	—	[2]
140-66-924 Maricopa County, AZ	—	2.05	CONTACT LOCAL JURISDICTION · Property use code 1126	—	[2]

Site area: 2.1 acres[2]ConfirmedBacked by a filing, deed, permit, interconnection-queue record, or a government or utility record. As of Oct 12, 2026.Confirmed
Sum of county land area across parcels.
Land use: Property use code 1571[2]ConfirmedBacked by a filing, deed, permit, interconnection-queue record, or a government or utility record. As of Oct 12, 2026.Confirmed
Annual property tax: Not yet sourced

Nearby comparable transactions

The Chatfield Group · 0.0 km · parcel 140-66-892$1M · May 1, 2019 [2]
Alliance Technology · 2.3 km · parcel 140-69-027$499,000 · May 1, 2022 [2]
GoDaddy - Gilbert · 8.3 km · parcel 302-24-372$39M · Jan 1, 2018 [2]
All About Serving Process Server · 8.6 km · parcel 302-84-928$2.6M · Oct 1, 2021 [2]
StrongMind · 9.2 km · parcel 302-35-446$2.9M · Jun 1, 2018 [2]
EdgeConneX PHX02 Data Center · 10.3 km · parcel 304-03-982$187M · Aug 1, 2022 [2]

Size

Parcel / land records: 140-66-915 (Maricopa County),140-66-887 (Maricopa County),140-66-924 (Maricopa County)[2]ConfirmedBacked by a filing, deed, permit, interconnection-queue record, or a government or utility record. As of Oct 12, 2026.Confirmed
Floor area: Not yet sourced

What changed (last 3 years)

Follow this facility (RSS)

Assessed value (official)
$732,8002027[8]AnnouncedStated by the company or reported in the press; not yet backed by a filing or grid record.→$10M2027[2]ConfirmedBacked by a filing, deed, permit, interconnection-queue record, or a government or utility record.→$732,8002027[2]ConfirmedBacked by a filing, deed, permit, interconnection-queue record, or a government or utility record.

Timeline

Apr 1, 2007[2]
Deed/transfer recorded for parcel 140-66-915 (no sale price disclosed).
Apr 2, 2007[2]
Deed recorded for parcel 140-66-915 (owner of record: Lot One Weathers Limited Partnership).
Dec 22, 2021[2]
Deed recorded for parcel 140-66-887 (owner of record: Sv Bai Holdings LLC).
Apr 2, 2007[2]
Deed recorded for parcel 140-66-924.

All claims (provenance audit)

Field	Value	Source	Confidence	As of	Status
Name	OptimumHQnode/7557854384 name=OptimumHQ	[1]	Likely	2026-10-12	Shown
Status	Operating	[1] derived	Unverified	2026-10-12	Shown
Address	1955 South Val Vista Drive, Mesa, AZ 85206	[1]	Likely	2026-10-12	Shown
Property owner of record	Lot One Weathers Limited PartnershipParcel 140-66-915: LOT ONE WEATHERS LIMITED PARTNERSHIP	[2]	Confirmed	2026-10-12	Shown
Property owner of record	Sv Bai Holdings LLCParcel 140-66-887: SV BAI HOLDINGS LLC	[2]	Confirmed	2026-10-12	Shown
Utility	Salt River Projectterritory 16572: SALT RIVER PROJECT (POLITICAL SUBDIVISION, SALT RIVER PROJECT)	[3] derived	Unverified	2022	Shown
ISO / RTO	None (non-RTO region)	[4] derived	Likely	—	Shown
Balancing authority	SRP	[3] derived	Likely	—	Shown
Nearest mapped substation	Unnamed substation (69 kV)way/292653458	[1] derived	Likely	2026-09-28	Shown
Distance to substation	1.3 km	[1] derived	Likely	2026-09-28	Shown
Highest-voltage line nearby	230 kV	[1] derived	Likely	2026-09-28	Shown
Generation queued in county	1.12 GW	[5] derived	Confirmed	2026-10-12	Shown
State avg. industrial price	9.35¢/kWh	[6]	Confirmed	2026-07	Shown
State avg. commercial price	13.12¢/kWh	[6]	Confirmed	2026-07	Shown
Generation within 50 km	4.62 GW	[7] derived	Confirmed	202502	Shown
Site area	2.1 acres	[2]	Confirmed	2026-10-12	Shown
Parcel / land records	140-66-915 (Maricopa County)	[2]	Confirmed	2026-10-12	Shown
Parcel / land records	140-66-887 (Maricopa County)	[2]	Confirmed	2026-10-12	Shown
Parcel / land records	140-66-924 (Maricopa County)	[2]	Confirmed	2026-10-12	Shown
Assessed value (official)	$732,800	[2]	Confirmed	2027	Shown
Land use	Property use code 1571	[2]	Confirmed	2026-10-12	Shown
Land use	Property use code 1571	[2]	Confirmed	2026-10-12	Superseded / alternative
Land use	Property use code 1126	[2]	Confirmed	2026-10-12	Superseded / alternative
Land acquired	Apr 1, 2007	[2] derived	Confirmed	2026-10-12	Shown

Sources

[1]
OpenStreetMap — features tagged telecom=data_center or building=data_center
OpenStreetMap contributors · retrieved 2026-10-12 · ODbL 1.0
[2]
Assessor Parcels
Maricopa County Assessor's Office, AZ · retrieved 2026-10-12 · Public record
[3]
Electric Retail Service Territories (HIFLD, from EIA-861)
DHS HIFLD / U.S. EIA (via Esri Living Atlas) · retrieved 2026-09-28 · Public domain
[4]
Independent System Operators (HIFLD)
DHS HIFLD (via PNNL ArcGIS) · retrieved 2026-09-28 · Public domain
[5]
CAISO Public Queue Report
California ISO · retrieved 2026-10-12 · Public
[6]
Electric Power Monthly, Table 5.6.A — Average price of electricity to ultimate customers by state (July 2026)
U.S. Energy Information Administration · retrieved 2026-10-12 · Public domain
[7]
Power Plants in the U.S. (EIA-860)
U.S. Energy Information Administration · retrieved 2026-10-12 · Public domain

Record links

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Confirmed primary source · Likely reputable secondary or modeled · Unverified inferred · Speculative weak evidence.

Evidence level: ConfirmedBacked by a filing, deed, permit, interconnection-queue record, or a government or utility record. filing, deed, permit or grid recordAnnouncedStated by the company or reported in the press; not yet backed by a filing or grid record. company or press claimEst.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure. satellite, model or map inferenceHow levels are assigned

derived computed by our pipeline; estimated a model estimate, not a disclosed figure. Methodology →