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Menlo Digital MD-PHX1 Phoenix Campus

PRJ-1320 · Site · Phoenix, Arizona, United States

Record last updated Oct 29, 2026

Scope and capacity

Menlo Digital plans a five-building, 180 MW critical-IT campus in Phoenix. The reported 257 MW utility feed is separate; neither figure represents verified operating capacity. Operator targets are Q4 2026 for substation/shell delivery and Q1 2027 for first halls. City records dated October 31, 2026 show issued Building 5 and Buildings 1–2 core/shell permits still open. An air application proposes 72 backup diesel engines for Buildings 1–3. Current title, the parcel transition and APS/SRP utility identity remain unresolved; the operator names SRP.

Headline: 180 MW Planned critical IT

Numbers refer to their stated physical boundaries and are not added together. Source dates, claim dates and record updates have different meanings. Missing dates and locators are not inferred.

Claims and exhibit sources

Jump to a claim (22)

Target critical IT capacity MW · 180 MW

Planned / design or future potential · Menlo Digital MD-PHX1 Phoenix Campus (Project)

Claim 162134 · Recorded claim type: Forecast · Review: Approved · Claim date: Not stated

Headline treatment: Selected headline

  1. MD-PHX1 (Phoenix)

    Menlo Digital · Document date: Not stated · Primary

    Source reference: SRC-8209 · Company announcement · Recorded authority: Party primary

    Source URL

    https://menlo-digital.com/portfolio/md-phx1-phoenix/

Site location · 4801–4811 East Thistle Landing Drive, Phoenix 85044; 38.3 acres.

Reported rounded · Menlo Digital MD-PHX1 Phoenix Campus (Project)

Claim 162135 · Recorded claim type: Reported rounded · Review: Approved · Claim date: Not stated

  1. MD-PHX1 (Phoenix)

    Menlo Digital · Document date: Not stated · Primary

    Source reference: SRC-8209 · Company announcement · Recorded authority: Party primary

    Source URL

    https://menlo-digital.com/portfolio/md-phx1-phoenix/

Land and site control context · Operator identifies 38.3-acre redevelopment site. Legal title vehicle not verified.

Reported rounded · Menlo Digital MD-PHX1 Phoenix Campus (Project)

Claim 162136 · Recorded claim type: Reported rounded · Review: Approved · Claim date: Not stated

  1. MD-PHX1 (Phoenix)

    Menlo Digital · Document date: Not stated · Primary

    Source reference: SRC-8209 · Company announcement · Recorded authority: Party primary

    Source URL

    https://menlo-digital.com/portfolio/md-phx1-phoenix/

Operator named utility provider · Menlo Digital identifies Salt River Project as MD-PHX1 utility provider; this does not independently establish an executed supply agreement or energization.

Reported rounded · Menlo Digital MD-PHX1 Phoenix Campus (Project)

Claim 162478 · Recorded claim type: Reported rounded · Review: Approved · Claim date: Not stated

  1. MD-PHX1 (Phoenix)

    Menlo Digital · Document date: Not stated · Primary

    Source reference: SRC-8209 · Company announcement · Recorded authority: Party primary

    Source URL

    https://menlo-digital.com/portfolio/md-phx1-phoenix/

Planned total building area sqft · Operator development program specifies 1,022,400 square feet across five two story buildings, with 204,480 square feet per building; planned building area, not delivered or IT-whitespace area.

Forecast · Menlo Digital MD-PHX1 Phoenix Campus (Project)

Claim 162479 · Recorded claim type: Forecast · Review: Approved · Claim date: Not stated

  1. MD-PHX1 (Phoenix)

    Menlo Digital · Document date: Not stated · Primary

    Source reference: SRC-8209 · Company announcement · Recorded authority: Party primary

    Source URL

    https://menlo-digital.com/portfolio/md-phx1-phoenix/

Reviewed menlo identity owner context · The assessor’s owner field lists ME PHX TECH CAMPUS LLC for parcel 301-84-762 at 4801 East Thistle Landing Drive. The 2023 zoning application identifies parcels 301-84-762, 301-84-763, 301-84-764 and 301-84-765. This is not a title certification or verification of the subsequent parcel transition.

Reported rounded · Menlo Digital MD-PHX1 Phoenix Campus (Project)

Claim 162573 · Recorded claim type: Reported rounded · Review: Approved · Claim date: Not stated

  1. Maricopa County assessor record — parcel 301-84-762

    Maricopa County Assessor · Document date: Not stated · Primary

    Source reference: SRC-8288 · Government record · Recorded authority: Official primary

    Source URL

    https://mcassessor.maricopa.gov/mcs/?q=30184762

  2. Phoenix PHO-2-24 zoning application and conceptual site-plan attachments

    City of Phoenix · Document date: Not stated · Primary

    Source reference: SRC-8291 · Regulatory record · Recorded authority: Party primary

    Source URL

    https://phoenix.legistar.com/View.ashx?GUID=B03FADA5-422F-4372-84DE-5AD275B3C3DC&ID=12756059&M=F

Reviewed menlo land history context · The assessor record for parcel 301-84-762 shows a May 1, 2024 sale value of $77.3 million and a May 3, 2024 deed date, instrument 20240236145. This does not establish a per parcel price, full campus purchase price, buyer/seller direction or arms length transaction.

Reported rounded · Menlo Digital MD-PHX1 Phoenix Campus (Project)

Claim 162574 · Recorded claim type: Reported rounded · Review: Approved · Claim date: Not stated

  1. Maricopa County assessor record — parcel 301-84-762

    Maricopa County Assessor · Document date: Not stated · Primary

    Source reference: SRC-8288 · Government record · Recorded authority: Official primary

    Source URL

    https://mcassessor.maricopa.gov/mcs/?q=30184762

Reviewed menlo zoning history context · Phoenix City Council ratified stipulation modifications for PHO-2-24--Z-127-96-6 and PHO-1-24--Z-10-96-6 on March 20, 2024. These are zoning case actions, not construction or operating approvals; case acreages must not be added to derive campus area.

Reported rounded · Menlo Digital MD-PHX1 Phoenix Campus (Project)

Claim 162575 · Recorded claim type: Reported rounded · Review: Approved · Claim date: Not stated

  1. Phoenix zoning stipulation case PHO-2-24--Z-127-96-6 — council action March 20, 2024

    City of Phoenix · Document date: Not stated · Primary

    Source reference: SRC-8289 · Government record · Recorded authority: Official primary

    Source URL

    https://phoenix.legistar.com/LegislationDetail.aspx?GUID=C52E1400-B41B-4E9D-85F5-2271170EACF1&ID=6575686&Options=&Search=

  2. Phoenix zoning stipulation case PHO-1-24--Z-10-96-6 — council action March 20, 2024

    City of Phoenix · Document date: Not stated · Primary

    Source reference: SRC-8290 · Government record · Recorded authority: Official primary

    Source URL

    https://phoenix.legistar.com/LegislationDetail.aspx?GUID=374B3247-44F0-4856-A86A-90A44E971EB6&ID=6575689&Options=&Search=

Reviewed menlo building permits context · As of the October 31, 2026 records, project 23-1632 includes Building 5 permit 26008627, issued July 2, 2026, and Buildings 1–2 core/shell permit 26008875, issued July 17, 2026. Both records are OPEN with no completion date. Issuance does not establish completed construction or commissioning.

Reported rounded · Menlo Digital MD-PHX1 Phoenix Campus (Project)

Claim 162576 · Recorded claim type: Reported rounded · Review: Approved · Claim date: Not stated

  1. Phoenix planning-permit records for project 23-1632

    City of Phoenix · Document date: Not stated · Primary

    Source reference: SRC-8287 · Government record · Recorded authority: Official primary

    Source URL

    https://maps.phoenix.gov/pub/rest/services/Public/Planning_Permit/MapServer/1/query?f=json&outFields=*&where=PROJECT%3D%2723-1632%27

Reviewed menlo construction participants context · The October 31, 2026 permit snapshot lists CLAYCO INC in the company fields for the Building 5 and Buildings 1–2 core/shell permits. Utility only foundation permit 26005012 lists SUNDT CONSTRUCTION; water main permits list RICOR INC. These are scoped permit associated company fields, not proof each party is the whole campus EPC or that construction is complete.

Reported rounded · Menlo Digital MD-PHX1 Phoenix Campus (Project)

Claim 162577 · Recorded claim type: Reported rounded · Review: Approved · Claim date: Not stated

  1. Phoenix planning-permit records for project 23-1632

    City of Phoenix · Document date: Not stated · Primary

    Source reference: SRC-8287 · Government record · Recorded authority: Official primary

    Source URL

    https://maps.phoenix.gov/pub/rest/services/Public/Planning_Permit/MapServer/1/query?f=json&outFields=*&where=PROJECT%3D%2723-1632%27

Reviewed menlo siteworks water context · Water main abandonment permit 26000262 was issued January 7, 2026 and recorded DONE with an April 30, 2026 completion date. New water main permit 26009402 was issued August 6, 2026 and recorded OPEN in the October 31 snapshot. These records do not establish water allocation, cooling design or campus completion.

Reported rounded · Menlo Digital MD-PHX1 Phoenix Campus (Project)

Claim 162578 · Recorded claim type: Reported rounded · Review: Approved · Claim date: Not stated

  1. Phoenix planning-permit records for project 23-1632

    City of Phoenix · Document date: Not stated · Primary

    Source reference: SRC-8287 · Government record · Recorded authority: Official primary

    Source URL

    https://maps.phoenix.gov/pub/rest/services/Public/Planning_Permit/MapServer/1/query?f=json&outFields=*&where=PROJECT%3D%2723-1632%27

Reviewed menlo easement action context · Phoenix City Council adopted Resolution 22388 on July 1, 2026 for ABND250032/project 23-1632, approving abandonment of specified drainage and waterline easements at 4801, 4805, 4809 and 4811 East Thistle Landing Drive. This is not a water supply grant.

Reported rounded · Menlo Digital MD-PHX1 Phoenix Campus (Project)

Claim 162579 · Recorded claim type: Reported rounded · Review: Approved · Claim date: Not stated

  1. Phoenix Resolution 22388 — ABND250032 easement abandonment

    City of Phoenix · Document date: Not stated · Primary

    Source reference: SRC-8292 · Government record · Recorded authority: Official primary

    Source URL

    https://phoenix.legistar.com/LegislationDetail.aspx?GUID=1FABAE54-A256-4B3E-9785-ADFF52970291&ID=8117645&Options=&Search=

Reviewed menlo tax preapproval context · The Arizona Commerce Authority FY2025 report lists ME PHX Tech Campus, LLC as preapproved for its Computer Data Center Tax Incentive Program with a $50 million plus statutory minimum aggregate investment threshold over up to five years. This is not actual expenditure, a subsidy amount or proof of completed qualification.

Reported rounded · Menlo Digital MD-PHX1 Phoenix Campus (Project)

Claim 162580 · Recorded claim type: Reported rounded · Review: Approved · Claim date: Not stated

  1. Arizona Commerce Authority FY2025 annual report — Computer Data Center Tax Incentive Program

    Arizona Commerce Authority · Document date: Not stated · Primary

    Source reference: SRC-8293 · Government record · Recorded authority: Official primary

    Source URL

    https://www.azcommerce.com/media/esphcazj/aca-fy25-annual-report.pdf

Reviewed menlo historical design team context · The 2023 conceptual architectural site plan submitted with PHO-2-24 identifies Gensler and Menlo Equities, with a southeast substation and northeast public open space. The plan is marked NOT FOR CONSTRUCTION; it does not establish current executed architect contracts or as built amenities.

Reported rounded · Menlo Digital MD-PHX1 Phoenix Campus (Project)

Claim 162581 · Recorded claim type: Reported rounded · Review: Approved · Claim date: Not stated

  1. Phoenix PHO-2-24 zoning application and conceptual site-plan attachments

    City of Phoenix · Document date: Not stated · Primary

    Source reference: SRC-8291 · Regulatory record · Recorded authority: Party primary

    Source URL

    https://phoenix.legistar.com/View.ashx?GUID=B03FADA5-422F-4372-84DE-5AD275B3C3DC&ID=12756059&M=F

Reviewed menlo air identity context · Maricopa County associates MD-PHX1 facility F057422 at 4801 East Thistle Landing Drive, parcel 301-84-899, with ME PHX Tech Campus LLC. This is a facility association, not legal title certification or resolution of the parcel transition from the older assessor/zoning parcel set.

Reported rounded · Menlo Digital MD-PHX1 Phoenix Campus (Project)

Claim 162582 · Recorded claim type: Reported rounded · Review: Approved · Claim date: Not stated

  1. Maricopa County air-quality facility records F057422 and F054873

    Maricopa County Air Quality Department · Document date: Not stated · Primary

    Source reference: SRC-8294 · Government record · Recorded authority: Official primary

    Source URL

    https://gis.maricopa.gov/arcgis/rest/services/AQD/ImpactFacility/MapServer/0/query?where=facility_id+IN+%28%27F057422%27%2C%27F054873%27%29&outFields=%2A&returnGeometry=false&f=json

Reviewed menlo air permit chronology context · The October 1, 2026 supplement describes the June 2026 non-Title V application as under review at that time. An issued permit has not been independently verified in this review.

Reported rounded · Menlo Digital MD-PHX1 Phoenix Campus (Project)

Claim 162583 · Recorded claim type: Reported rounded · Review: Approved · Claim date: Not stated

  1. ME-PHX Tech Campus air-application supplement — dated October 1, 2026

    SWCA Environmental Consultants, for ME-PHX Tech Campus LLC · Document date: Not stated · Primary

    Source reference: SRC-8296 · Regulatory record · Recorded authority: Party primary

    Source URL

    https://aqdata.maricopa.gov//filestore/Facilities/F057422/Applications/14673/1038708.pdf

Reviewed menlo air engine revision context · The October 1, 2026 supplement proposes 72 Caterpillar C175-16 emergency diesel engines, 24 per building for Buildings 1–3, and changes the proposed configuration to SCR on all 72 engines. This is an application proposal, not evidence of installation or operation, and excludes the other two campus buildings.

Reported rounded · Menlo Digital MD-PHX1 Phoenix Campus (Project)

Claim 162584 · Recorded claim type: Reported rounded · Review: Approved · Claim date: Not stated

  1. ME-PHX Tech Campus air-application supplement — dated October 1, 2026

    SWCA Environmental Consultants, for ME-PHX Tech Campus LLC · Document date: Not stated · Primary

    Source reference: SRC-8296 · Regulatory record · Recorded authority: Party primary

    Source URL

    https://aqdata.maricopa.gov//filestore/Facilities/F057422/Applications/14673/1038708.pdf

Reviewed menlo air engine specs context · Each proposed engine is rated 4,423 bhp with a 3,000 ekW generator set. The supplement describes Miratech SCR designed to meet the Tier 4 NOx standard of 0.5 g/bhp hr; this is aftertreatment performance, not Tier 4 engine certification or proof of actual installation. Backup generator ratings are not IT capacity.

Reported rounded · Menlo Digital MD-PHX1 Phoenix Campus (Project)

Claim 162585 · Recorded claim type: Reported rounded · Review: Approved · Claim date: Not stated

  1. ME-PHX Tech Campus air-application supplement — dated October 1, 2026

    SWCA Environmental Consultants, for ME-PHX Tech Campus LLC · Document date: Not stated · Primary

    Source reference: SRC-8296 · Regulatory record · Recorded authority: Party primary

    Source URL

    https://aqdata.maricopa.gov//filestore/Facilities/F057422/Applications/14673/1038708.pdf

Reviewed menlo air source scope context · The June 2026 air application addresses emergency backup engines for Buildings 1–3 of a five building campus. The applicant describes utility line power and no onsite baseload generation, and says Buildings 4–5 emergency configurations await tenant specific needs, finalized design and future permitting. This is a dated applicant statement, not evidence that Buildings 4–5 can operate without permits or currently lack tenants.

Reported rounded · Menlo Digital MD-PHX1 Phoenix Campus (Project)

Claim 162586 · Recorded claim type: Reported rounded · Review: Approved · Claim date: Not stated

  1. ME-PHX Tech Campus non-Title V air-permit application — June 2026

    SWCA Environmental Consultants, for ME-PHX Tech Campus LLC · Document date: Not stated · Primary

    Source reference: SRC-8295 · Regulatory record · Recorded authority: Party primary

    Source URL

    https://aqdata.maricopa.gov//filestore/Facilities/F057422/Applications/14673/983881.pdf

Reviewed menlo air consultant context · SWCA Environmental Consultants prepared the June 2026 air permit application and October 1 supplement on behalf of ME-PHX Tech Campus LLC. This establishes an air quality consultant role only, not architect, EPC or general contractor scope.

Reported rounded · Menlo Digital MD-PHX1 Phoenix Campus (Project)

Claim 162587 · Recorded claim type: Reported rounded · Review: Approved · Claim date: Not stated

  1. ME-PHX Tech Campus non-Title V air-permit application — June 2026

    SWCA Environmental Consultants, for ME-PHX Tech Campus LLC · Document date: Not stated · Primary

    Source reference: SRC-8295 · Regulatory record · Recorded authority: Party primary

    Source URL

    https://aqdata.maricopa.gov//filestore/Facilities/F057422/Applications/14673/983881.pdf

  2. ME-PHX Tech Campus air-application supplement — dated October 1, 2026

    SWCA Environmental Consultants, for ME-PHX Tech Campus LLC · Document date: Not stated · Primary

    Source reference: SRC-8296 · Regulatory record · Recorded authority: Party primary

    Source URL

    https://aqdata.maricopa.gov//filestore/Facilities/F057422/Applications/14673/1038708.pdf

Reviewed menlo air dust construction context · The county separately lists dust facility F054873, ME-PHX DC Buildings 1–5, associated with Clune Construction Company LP and dust application D0063915, for data center campus construction at the southeast corner of 48th Street and Thistle Drive. The dust record’s Operating label is a dust facility administrative status, not proof that the data center or any IT capacity is operating, and not by itself confirmation of ongoing construction on the observation date. No contract value, exact whole campus EPC scope or completed building is established.

Reported rounded · Menlo Digital MD-PHX1 Phoenix Campus (Project)

Claim 162588 · Recorded claim type: Reported rounded · Review: Approved · Claim date: Not stated

  1. Maricopa County air-quality facility records F057422 and F054873

    Maricopa County Air Quality Department · Document date: Not stated · Primary

    Source reference: SRC-8294 · Government record · Recorded authority: Official primary

    Source URL

    https://gis.maricopa.gov/arcgis/rest/services/AQD/ImpactFacility/MapServer/0/query?where=facility_id+IN+%28%27F057422%27%2C%27F054873%27%29&outFields=%2A&returnGeometry=false&f=json

Reviewed menlo air building1 target context · The June 2026 air application targets commercial operation of Building 1's 24 emergency generators in Q2 2027. This is a dated forecast distinct from the operator's Q1 2027 first hall target; it establishes neither achieved commissioning nor a verified schedule change.

Reported rounded · Menlo Digital MD-PHX1 Phoenix Campus (Project)

Claim 162589 · Recorded claim type: Reported rounded · Review: Approved · Claim date: Not stated

  1. ME-PHX Tech Campus non-Title V air-permit application — June 2026

    SWCA Environmental Consultants, for ME-PHX Tech Campus LLC · Document date: Not stated · Primary

    Source reference: SRC-8295 · Regulatory record · Recorded authority: Party primary

    Source URL

    https://aqdata.maricopa.gov//filestore/Facilities/F057422/Applications/14673/983881.pdf

Counterparties and capital

Menlo Digital · Developer · CMP-1732

This schedule captures public Cartis research. It is not a title, lien or legal-opinion report. Document page/section locators and claim review timestamps are included only when published; this version has no separate locator or claim-review-time feed.