Data center profile · Elliot and Sossaman Roads, Mesa, Maricopa County, Arizona

Google Mesa (Project Red Hawk)

Google's first Arizona campus on 187 acres in Mesa: Phase 1 in service since 2024 on Salt River Project power, Phase 3 in design review.

Phased: 1 running, 3 planned. Phase 1 is in service per the utility; Phase 2 began construction in March 2025, estimated operating by Aug. 2026 (tracker). Phase 3 (about 283,500 sq ft) went to city design review in Oct. 2025; no outcome on record.
183 MW
IT power, Epoch AI tracker estimate for two buildings (Aug. 2026)
estimate, not metered; Google publishes no figure
2030
year the whole project is expected to be finished (press)
2019 city agreement coverage; $1B and 750,000 sq ft are required by 2029
$1B
investment the city agreement requires by 2029
$600M by July 2025 and $800M by 2027 on the way
750,000 sq ft
build-out required by 2029 on 187 acres
three phases; air-cooled
OperatorGoogle (land held through Stone Applications LLC)
CustomerGoogle itself (owner-occupied; runs its own TPU chips)
Planned IT capacity190 MW at full build-out (our estimate from the company's 237 MW campus power figure)
First building in serviceIn service since July 2025 (about 183 MW of IT capacity live, estimated)
Next deadlineJuly 2027: City agreement: $800M spent and 500,000 sq ft built by July 2027 (Phase 2 deadline, as reported)
Power

Power and the grid

Energized, size not disclosed

Sources on record, size not disclosed

Getting on the grid

Who supplies what, what it costs, and what is still not public.

  1. Dec. 10, 2019
    State approves the switchyard
    The Arizona Corporation Commission unanimously approves the 230 kV switchyard certificate for the data center. Utility regulator · Dec. 2019
  2. April 2023
    Sidewinder switchyard completed
    The utility finishes the switchyard that feeds Google's own substations. Utility regulator · May 2025
  3. March 14, 2024
    Supply agreement announced
    Google and the utility sign for more than 430 MW of new carbon-free capacity, reported as an eight-year contract (press). News report · March 2024
  4. Oct. 2024
    Phase 1 energized
    The first customer substation, Diamondback, is in service. Utility regulator · May 2025
  5. May 2025
    Phase 2 electrical work begins
    The utility builds Phase 2 equipment at the switchyard and the Nexus substation through Jan. 2026. Utility regulator · Oct. 2026
Permits

Permits checklist

2 pending · 4 granted · 2 checked, nothing on file

Risks

What could slow it down

Money

Money on record

$1B
project investment (press)
press describes a $1 billion project previously known as Redhawk News report · July 2019
$600M
required spend by July 2025, then $800M by 2027
Phase 1 also needs $180M in taxable construction (press) News report · Oct. 2026
$16M
property tax break over 25 years (press)
city says Google still pays about $61M in other taxes News report · July 2019
$65,000
minimum average salary for data center staff
2019 agreement condition (press) News report · April 2024
Timeline

What happened, and what is due

SitePaper trailConstructionPowerPermitsMoneyLegalUpcoming
  1. April 2019
    Permits City rezones the former Morrison ranch parcel for a data center Utility regulator · Sept. 2019
  2. July 1, 2019
    Money Mesa council approves the development agreement and 25-year property lease News report · July 2019
  3. Dec. 10, 2019
    Power State commission approves the 230 kV switchyard certificate Utility regulator · Dec. 2019
  4. April 2023
    Power Sidewinder switchyard completed Utility regulator · May 2025
  5. July 2023
    Construction Land clearing and groundbreaking on the first building News report · July 2023
  6. March 14, 2024
    Money Google and the utility announce a supply agreement for more than 430 MW of new carbon-free capacity in the state. Company · March 2024
  7. Oct. 2024
    Power Phase 1 energized Utility regulator · May 2025
  8. March 2025
    Construction Phase 2 construction begins, per city permitting (press) News report · Oct. 2026
  9. July 2025
    Construction Phase 1 listed as operating since July 2025. Dataset · Oct. 2026
  10. Oct. 14, 2025
    Permits Phase 3 goes to city design review News report · Oct. 2025
  11. Aug. 15, 2026
    Construction Tracker estimates two buildings operating, 183 MW IT (estimate) Dataset · Oct. 2026
  12. July 2027
    Money City agreement milestone: $800M spent and 500,000 sq ft built Dataset · July 2025
Construction activity

Building activity by quarter

Since Sept. 2023: 7 FAA filings (Sept. 2023 to Aug. 2026): tallest permanent building 35 ft (filed Sept. 2023) and tallest crane 300 ft (Dec. 2024).

FAA filings
’24
’25
’26
Dot size: records in the quarter, largest = 4. Two-digit years mark each first quarter.
The buildings

Specs

3 phases
Phase 1 at 288,530 sq ft, Phase 2 at 280,000, Phase 3 at about 283,500
News report · Oct. 2025
187 acres
single parcel at Elliot and Sossaman Roads
State agency · Dec. 2019
TPU v6e and v5p
Google chips listed in the tracker
Dataset · Aug. 2026
230 kV
switchyard on the Browning to Santan line
State agency · Dec. 2019
Who is involved

Owners, partners and builders

Owners
  • Google LLC: developer, owner and operator
  • Stone Applications LLC: Google subsidiary, landowner of record
Decision-makers
  • Mesa City Council and Design Review Board: land use and design
  • Arizona Corporation Commission: switchyard certificate
Power partners
  • Salt River Project: serving utility and switchyard builder
  • NextEra Energy Resources: owns the solar, battery and wind projects
Design
  • HDR Engineering: design applicant for Phases 1 and 2
Still unknown

Open questions

Where this comes from

153 records from 29 documents

Drawn from news reports, public and commercial datasets, utility regulator dockets, state agency records, company statements and local government records, each kept with its date and source. The bar shows documents by type.

News report 11Dataset 6Utility regulator 5State agency 5Company 1Local government 1
Evidence

Every quote behind this page

Grade key: A = the primary record itself (permit, filing, exhibit) · B = a dated official statement · C = news reporting. Map distances are our own measurements on OpenStreetMap and carry no grade. Allegations in lawsuits are marked as such in the quotes.

Power (25)
  • Operator: Google
    “Last year, construction started for our first Arizona data center in Mesa, which will use air-cooled technology”
    Company · March 2024 · grade A
  • Utility: Salt River Project (SRP)
    “Today, we're announcing an energy supply agreement with Salt River Project (SRP) to support more than 430 megawatts of new-to-the-grid, carbon-free energy capacity in the state.”
    Company · March 2024 · grade A
  • Cooling: air-cooled technology
    “construction started for our first Arizona data center in Mesa, which will use air-cooled technology in line with our climate-conscious approach to minimize net environmental impact”
    Company · March 2024 · grade A
  • Substation kV: 230 kV
    “The Project interconnects to the existing Browning to Santan 230kV line, which is located adjacent to the Property”
    State agency · Dec. 2019 · grade A
  • Utility service: not stated
    “On Sept. 23, 2019, SRP filed an application for a Certificate of Environmental Compatibility (CEC) with the Arizona Corporation Commission (ACC)”
    Utility regulator · Oct. 2026 · grade B
  • On-site generation: not stated
    “The Maricopa County Air Quality Department, Pinal County Air Quality Control District and Pima County Department of Environmental Quality oversee permitting, inspections, and compliance and enforcement activities”
    State agency · Oct. 2026 · grade B
  • Power plan: grid
    “The Sidewinder switchyard serves a customer-planned distribution substation, known as Diamondback, through a new double-circuit 230 kV line within the project site”
    Utility regulator · Oct. 2026 · grade B
  • Sonoran Solar Energy Center (260 MW solar + 1 GWh battery, Maricopa County) and Storey Energy Center (88 MW, Pinal County) commissioned by SRP and NextEra to support the Google energy supply agreement.
    “SRP and NextEra Energy Resources commissioned Sonoran Solar Energy Center, a 260-MW solar plant with a 1 gigawatt-hour battery energy storage system”
    Utility regulator · Oct. 2026 · grade B
  • Babbitt Ranch Energy Center (161 MW wind, 50 turbines, Coconino County) operating; third leg of the Google-SRP supply agreement.
    “Thanks to our partners, NextEra Energy Resources and Google, the center's 50 wind turbines produce 161 MW of energy, enough to power 40,000 homes”
    Utility regulator · Oct. 2026 · grade B
  • SRP Phase 2 electrical construction at the Sidewinder Switchyard and Nexus Substation (May 2025 to January 2026) to serve the second building.
    “Phase 2 Construction activity beginning in May 2025”
    Utility regulator · Oct. 2026 · grade B
  • Epoch AI snapshot: two buildings operational; IT power 183 MW and total power 237 MW (model estimates, not metered).
    “Google Mesa, 2026-08-15 snapshot: Buildings operational 2.0; IT power (MW) 183.0; Power (MW) 237.0”
    Dataset · Oct. 2026 · grade B
  • Name: Google Mesa
    “Google Mesa; City: Mesa, AZ; Current power (MW): 183; Owner: Google; Current chip types: TPU v6e, TPU v5p”
    Dataset · Aug. 2026 · grade B
  • IT capacity: 183 MW
    “Google Mesa, 2026-08-15 snapshot: Buildings operational 2.0; IT power (MW) 183.0; Power (MW) 237.0”
    Dataset · Aug. 2026 · grade B
  • Stated campus size: 237 MW
    “Google Mesa, 2026-08-15 snapshot: Buildings operational 2.0; IT power (MW) 183.0; Power (MW) 237.0”
    Dataset · Aug. 2026 · grade B
  • Substation: Sidewinder Switchyard (SRP, 230 kV); customer substations Diamondback (Phase 1) and Nexus (Phase 2)
    “Sidewinder Switchyard (Completed April 2023)”
    Utility regulator · May 2025 · grade B
  • Interconnection status: In service, Phase 1 energized October 2024; Phase 2 (Nexus) metering installed August 2025 to January 2026
    “Install metering equipment within Nexus Substation (customer-owned substation)”
    Utility regulator · May 2025 · grade B
  • Utility: Salt River Project (SRP)
    “Today, we're announcing an energy supply agreement with Salt River Project (SRP) to support more than 430 megawatts of new-to-the-grid, carbon-free energy capacity”
    Company · March 2024 · grade B
  • Grid operator:, SRP balancing authority area (WECC); Arizona has no ISO/RTO
    “SRP is a community-based, not-for-profit public power utility and the largest electricity provider in the greater Phoenix metropolitan area”
    Utility regulator · March 2024 · grade B
  • Electric service agreement signed: March 14, 2024
    “Today, we're announcing an energy supply agreement with Salt River Project (SRP)”
    Company · March 2024 · grade B
  • Cooling: air-cooled (no water used for cooling)
    “our first Arizona data center in Mesa, which will use air-cooled technology in line with our climate-conscious approach to minimize net environmental impact across water and energy resources”
    Company · March 2024 · grade B
  • SRP's 230 kV Sidewinder switchyard and the site's transmission lines were reported complete (substation equipment work ongoing) in tracker coverage - grid infrastructure is in place for the multi-phase build-out
    “The electrical infrastructure, including a 230 kV switchyard called Sidewinder, is developed by SRP.”
    Dataset · Jan. 2025 · grade C
  • Phase 3 (a ~283,500 sq ft building with mechanical/electrical yards and a medium-voltage substation) was in design review in tracker coverage, on top of operating Phase 1 and the Phase 2 building - the campus remains in
    “The phase three design is currently under review. Phase three involves the construction of a nearly 283,500 sq. ft data center building”
    Dataset · Jan. 2025 · grade C
  • Phase 1 building sq ft: 288530 sq ft
    “Phase 1 will consist of a 288,530-square-foot, one-story data center building, a utility switchyard, medium voltage substation servicing the data center”
    News report · June 2022 · grade C
  • Mesa coverage of the Elliot Road corridor reports the Google campus will consume one million gallons a day to start, allowed to increase to four million gallons a day at build-out, supplied half from the Colorado River a
    “The largest facility, the currently under construction Google campus, will consume one million gallons a day to start, and is allowed to increase that to four million as the site builds out.”
    News report · July 2019 · grade C
  • Water use stated: Air-cooled as built (water only for building/domestic use); the 2019 development agreement as reported allowed nearly 1 million gal/day initially, rising to nearly 4 million gal/day at full build
    “The city will initially provide nearly 1 million gallons of water per day to the Google facility, which could increase to nearly 4 million per day”
    News report · July 2019 · grade C
Money and contracts (42)
  • energy supply agreement: carbon-free energy supply 430 MW of new carbon-free generation capacity supported
    “an energy supply agreement with Salt River Project (SRP) to support more than 430 megawatts of new-to-the-grid, carbon-free energy capacity in the state”
    Company · March 2024 · grade A
  • CEC: condition, authorization expiry 15 years from ACC approval
    “This authorization to construct the Project shall expire fifteen (15) years from the date this Certificate is approved by the Arizona Corporation Commission”
    State agency · Dec. 2019 · grade A
  • CEC: condition, extension request deadline 180 days before expiry
    “the Applicant shall file such time extension request at least one hundred and eighty (180) days prior to the expiration of the Certificate”
    State agency · Dec. 2019 · grade A
  • development agreement: agreement execution
    “THIS DEVELOPMENT AGREEMENT is made as of 2019, by and between the City of Mesa, Arizona, an Arizona municipal corporation (City); and Stone Applications LLC, a Delaware limited liability company (Company).”
    Local government · July 2019 · grade A
  • County code: 04013
    “Mesa campus (Project Redhawk) | Google | Mesa, Maricopa Co. | 187 acres; $1B; 750,000 sq ft by 2029”
    Dataset · Oct. 2026 · grade B
  • Tenants: Google
    “our first Arizona data center in Mesa, which will use air-cooled technology”
    Company · Oct. 2026 · grade B
  • Tenant status: owner-occupied
    “our first Arizona data center in Mesa, which will use air-cooled technology”
    Company · Oct. 2026 · grade B
  • development agreement: milestone minimums - capital expenditure and build-out 600 / 800 / 1000 USD millions capex by milestone
    “By 2027, Google must spend $800 million, with $240 million in taxable construction and have constructed at least 500,000 square feet of development.”
    Dataset · July 2025 · grade B
  • power purchase (via SRP): scope, Babbitt Ranch Energy Center (Coconino County) 161 MW wind
    “Thanks to our partners, NextEra Energy Resources and Google, the center's 50 wind turbines produce 161 MW of energy, enough to power 40,000 homes”
    Utility regulator · Oct. 2024 · grade B
  • energy supply agreement: scope, new carbon-free capacity 430 MW (more than; press reports 434)
    “an energy supply agreement with Salt River Project (SRP) to support more than 430 megawatts of new-to-the-grid, carbon-free energy capacity in the state”
    Company · March 2024 · grade B
  • energy supply agreement: condition, hourly CFE target 80 % hourly CFE (Arizona operations)
    “Our current projections indicate the agreement will help our operations in Arizona reach at least 80% carbon-free energy (CFE) on an hourly basis by 2026”
    Company · March 2024 · grade B
  • energy supply agreement: termination / price, FINDING
    “Today, we're announcing an energy supply agreement with Salt River Project (SRP) to support more than 430 megawatts of new-to-the-grid, carbon-free energy capacity”
    Company · March 2024 · grade B
  • power purchase (via SRP): scope, Sonoran Solar Energy Center (Maricopa County) 260 MW solar + 1 GWh battery
    “SRP and NextEra Energy Resources commissioned Sonoran Solar Energy Center, a 260-MW solar plant with a 1 gigawatt-hour battery energy storage system”
    Utility regulator · March 2024 · grade B
  • power purchase (via SRP): scope, Storey Energy Center (Pinal County) 88 MW solar + battery
    “Both organizations also commissioned Storey Energy Center, an 88-MW solar and battery storage facility”
    Utility regulator · March 2024 · grade B
  • CEC: condition, switchyard siting and visual wall
    “The Committee required a 10 foot wall be constructed on the North and East side of the switchyard to mitigate the visual impact of the switchyard”
    Utility regulator · Dec. 2019 · grade B
  • development agreement: termination / clawback, FINDING
    “Per a development agreement with Mesa, Google must also spend $600 million in capital expenditures by then.”
    News report · Oct. 2026 · grade C
  • Stated capital cost: 600000000 USD
    “Phase I of the data center development must be completed by July of (2025). The company also must spend $600M in capital expenditures within the same timeline under a development agreement with the City.”
    News report · April 2024 · grade C
  • development agreement: milestone - Phase 1 completion and minimum capex 600000000 USD
    “The GPLET agreement put Google on the clock to complete the construction of the first phase of the data center by July 2025. Per a development agreement with Mesa, Google must also spend $600 million in capital expenditures by then.”
    News report · April 2024 · grade C
  • development agreement: milestone - Phase 1 taxable construction 180000000 USD
    “complete construction on Redhawk's first phase by July 2025, along with $180 million in taxable construction costs”
    News report · April 2024 · grade C
  • development agreement: milestone - Phase 2 capex, taxable construction and build-out 800000000 USD
    “By 2027, Google must spend $800 million, with $240 million in taxable construction and have constructed 500,000 square feet of development”
    News report · April 2024 · grade C
  • development agreement: milestone - full build capex and build-out 1000000000 USD
    “By 2029, those figures jump to a minimum spend of $1 billion, $300 million in taxable construction costs and 750,000 square feet of development built out”
    News report · April 2024 · grade C
  • development agreement: completion deadline
    “The entire project is expected to be finished in 2030”
    News report · April 2024 · grade C
  • development agreement: wage condition 65000 USD per year average
    “Google is also required to have an average annual salary for full-time data center employees of at least $65,000”
    News report · April 2024 · grade C
  • energy supply agreement: term 8 years
    “Google said today it has signed an eight-year contract with utility provider Salt River Project, to provide 434 megawatts of renewable energy capacity”
    News report · March 2024 · grade C
  • energy supply agreement: structure, ESA layered over SRP-NextEra PPAs
    “Google and SRP are parties to an energy supply agreement, with SRP and NextEra being parties to underlying PPAs”
    News report · March 2024 · grade C
  • PILOT agreement: term 25 years
    “A 25-year government property lease excise tax agreement, or GPLET, will give Google a tax break of $16 million, according to several media reports.”
    News report · June 2023 · grade C
  • PILOT agreement: estimated tax benefit 16000000 USD
    “A 25-year government property lease excise tax agreement, or GPLET, will give Google a tax break of $16 million, according to several media reports.”
    News report · June 2023 · grade C
  • PILOT agreement: excise taxes to city over term 33000000 USD
    “However, Mesa will still collect about $33 million in excise taxes.”
    News report · June 2023 · grade C
  • PILOT agreement: investment commitments (milestones) phase 1 by Jul 2025: $600M capex + $180M taxable construction; by Jul 2027: $800M capex + $240M taxable + 500,000 sq ft; by Jul 2029: $1B capex + $300M taxable + 750,0
    “Future performance metrics cited in the business journal story include spending $800 million in capital expenditures and $240 million in taxable construction”
    News report · June 2023 · grade C
  • Project code name: Red Hawk (Project Redhawk)
    “to build a massive $1 billion data center project on about 187 acres in southeast Mesa, Ariz., the project—codenamed Red Hawk—is finally taking flight.”
    News report · June 2023 · grade C
  • Planned build-out: 750,000 sq ft and $1 billion investment by July 2029 (three phases)
    “Construction is expected to begin within the next five years, with the first 250,000 square feet in place by July 2025. Google is expected to spend $1 billion to build 750,000 square feet by July 2029.”
    News report · July 2019 · grade C
  • GPLET (government property lease excise tax): property tax abatement 16 USD millions over the term
    “As part of the agreement, Google will get a $16 million break in property taxes over 25 years.”
    News report · July 2019 · grade C
  • Announced: July 1, 2019
    “The Mesa City Council approved a development agreement Monday to bring a Google data center to the city’s tech corridor.”
    News report · July 2019 · grade C
  • Square feet: 750000 sq ft
    “will span 750,000 square feet (70,000 sqm) once fully built out on 187 acres of farmland”
    News report · July 2019 · grade C
  • Announced: July 1, 2019
    “The Mesa City Council approved a development agreement Monday to bring a Google data center to the city's tech corridor”
    News report · July 2019 · grade C
  • Stated capital cost: 1000000000 USD
    “has begun work on the $1 billion project, previously known as Redhawk”
    News report · July 2019 · grade C
  • Incentives: 25-year GPLET with the City of Mesa (City holds title during the lease); property-tax benefit reported at about $16M over 25 years
    “The deal includes a property tax break of $16 million over 25 years”
    News report · July 2019 · grade C
  • development agreement: scope
    “The Mesa City Council approved a development agreement Monday to bring a Google data center to the city's tech corridor”
    News report · July 2019 · grade C
  • development agreement: water supply 4 million gal/day (maximum, at full build)
    “The city will initially provide nearly 1 million gallons of water per day to the Google facility, which could increase to nearly 4 million per day”
    News report · July 2019 · grade C
  • GPLET lease: term 25 years
    “The company purchased the land in a 25-year government property lease excise tax (GPLET), agreement with with city of Mesa”
    News report · July 2019 · grade C
  • GPLET lease: tax benefit (estimated) 16000000 USD over 25 years
    “The deal includes a property tax break of $16 million over 25 years, although the city estimates Google operations would still contribute some $61 million”
    News report · July 2019 · grade C
  • GPLET lease: structure, city holds title
    “The Mesa City Council approved a development agreement Monday to bring a Google data center to the city's tech corridor”
    News report · July 2019 · grade C
Permits and government (27)
  • FAA OE/AAA: Determined - No Hazard
    “ASN 2024-AWP-15651-OE: MSA1A, Mobile crane, 300 ft AGL, 1639 ft AMSL, 33.35083333,-111.675, Determined - No Hazard, submitted 2024-12-09”
    FAA · Dec. 2024 · grade A
  • FAA OE/AAA: Determined - No Hazard
    “ASN 2023-AWP-14931-OE: MSA1A DCH, Building, 35 ft AGL, 1374 ft AMSL, 33.35198889,-111.67868889, Determined - No Hazard, submitted 2023-09-20”
    FAA · Sept. 2023 · grade A
  • FAA OE/AAA: Determined - No Hazard
    “ASN 2023-AWP-14932-OE: MSA1A DCH, Building, 35 ft AGL, 1374 ft AMSL, 33.35198333,-111.677625, Determined - No Hazard, submitted 2023-09-20”
    FAA · Sept. 2023 · grade A
  • FAA OE/AAA: Determined - No Hazard
    “ASN 2023-AWP-14933-OE: MSA1A DCH, Building, 35 ft AGL, 1374 ft AMSL, 33.35440556,-111.67868333, Determined - No Hazard, submitted 2023-09-20”
    FAA · Sept. 2023 · grade A
  • FAA OE/AAA: Determined - No Hazard
    “ASN 2023-AWP-14934-OE: MSA1A DCH, Building, 35 ft AGL, 1374 ft AMSL, 33.35440278,-111.67752778, Determined - No Hazard, submitted 2023-09-20”
    FAA · Sept. 2023 · grade A
  • Certificate of Environmental Compatibility: granted (committee vote)
    “upon motion duly made and seconded, voted 7 to 1 to grant the Applicant, its successors and assigns, this Certificate for construction of the Project”
    State agency · Dec. 2019 · grade A
  • Certificate of Environmental Compatibility: approved
    “the Certificate of Environmental Compatibility (CEC) issued by the Arizona Power Plant and Transmission Line Siting Committee (Siting Committee) is hereby approved as granted by this Order”
    State agency · Dec. 2019 · grade A
  • Arizona Power Plant and Transmission Line Siting Committee: CEC for Project Red Hawk switchyard, Case No. 184 (hearings November 5-7, 2019, Mesa)
    “the Arizona Power Plant and Transmission Line Siting Committee (Committee) held a public hearing on November 5 through November 7, 2019 in Mesa, Arizona”
    State agency · Dec. 2019 · grade A
  • rezoning: approved
    “The Project Site has recently been rezoned from Light Industrial and Planned Employment Park to Employment Opportunity to create the Red Hawk Employment Opportunity District”
    Utility regulator · Sept. 2019 · grade A
  • FAA obstruction evaluation (7460-1): Determined - No Hazard
    “ASN 2026-AWP-15441-OE: Google, Mobile Crane, 150 ft AGL, 1486 ft AMSL, 33.35275,-111.68047, Determined - No Hazard, submitted 2026-08-27”
    FAA · Aug. 2026 · grade B
  • FAA obstruction evaluation (7460-1): Determined - No Hazard
    “ASN 2026-AWP-5036-OE: RED HAWK PH 3, Mobile Crane, 300 ft AGL, 1650 ft AMSL, 33.35094,-111.67631, Determined - No Hazard, submitted 2026-04-27”
    FAA · April 2026 · grade B
  • FAA OE/AAA records a 300-ft mobile crane filed as 'RED HAWK PH 3' (ASN 2026-AWP-5036-OE, submitted April 27, 2026) 0.30 km from the Google Mesa campus point and a 150-ft mobile crane filed as 'Google' (ASN 2026-AWP-15441-OE,
    “ASN 2026-AWP-5036-OE: RED HAWK PH 3, Mobile Crane, 300 ft AGL, 1650 ft AMSL, 33.35094,-111.67631, Determined - No Hazard, submitted 2026-04-27”
    FAA · April 2026 · grade B
  • Arizona Corporation Commission (open meeting): Approval of the Project Red Hawk CEC
    “On Dec. 10, 2019, the ACC unanimously approved the CEC for the project”
    Utility regulator · Dec. 2019 · grade B
  • Certificate of Environmental Compatibility: application filed
    “On Sept. 23, 2019, SRP filed an application for a Certificate of Environmental Compatibility (CEC) with the Arizona Corporation Commission (ACC)”
    Utility regulator · Sept. 2019 · grade B
  • Phase 2 construction began (early March 2025, per City of Mesa permitting as cited by DATABEX via AZBEX).
    “DATABEX cites Mesa permitting as showing construction on Phase II began as of early March”
    News report · Oct. 2026 · grade C
  • Mesa is among Arizona jurisdictions that have moved to restrict new data-center development in the past year; Redhawk proceeds under its 2019 entitlements.
    “Mesa is one of several jurisdictions around the state to have undertaken steps to restrict new data center developments in the last year”
    News report · Oct. 2026 · grade C
  • design review: reviewed
    “The Mesa Design Review Board will examine the building elevations and landscape design, in addition to considering alternative compliance requests, in its Oct. 14 meeting”
    News report · Oct. 2025 · grade C
  • City of Mesa Design Review Board: Redhawk Phase III (about 283,500 sq ft) design review and alternative compliance request
    “The submittal proposes a building of nearly 283.5KSF for a new data center and supporting equipment”
    News report · Oct. 2025 · grade C
  • design review: reviewed
    “the city's design review board will hear a proposal for its second phase on April 9”
    News report · April 2024 · grade C
  • City of Mesa Design Review Board: Redhawk Phase 2 (280,000 sq ft) and Redhawk Hub office building design review
    “As Google continues to build out the first phase of its $1 billion data center campus in Mesa, the city's design review board will hear a proposal for its second phase on April 9”
    News report · April 2024 · grade C
  • design review: design plans filed
    “The company only filed its design plans with the city last month.”
    News report · Sept. 2023 · grade C
  • Site location: northwest corner of Sossaman and Elliot roads, Elliot Road Technology Corridor, Mesa, AZ (east Mesa)
    “The city’s Design Review Board on Tuesday, June 14, began reviewing the site plan for the first part of the three-phase project that will rise near the northwest corner of Sossaman and Elliot roads”
    News report · June 2023 · grade C
  • site plan / design review: Design Review Board began reviewing the Phase 1 site plan
    “The city’s Design Review Board on Tuesday, June 14, began reviewing the site plan for the first part of the three-phase project”
    News report · June 2022 · grade C
  • IRB/abatement ordinance: approved
    “The Mesa City Council approved a development agreement Monday to bring a Google data center to the city's tech corridor.”
    News report · July 2019 · grade C
  • City of Mesa City Council: Development agreement and 25-year GPLET for the Google data center (Project Red Hawk), 187 acres at Elliot and Sossaman
    “The Mesa City Council approved a development agreement Monday to bring a Google data center to the city's tech corridor”
    News report · July 2019 · grade C
  • land use rezoning: parcel rezoned (April 2019) to allow data center use
    “The parcel, owned by the longtime Gilbert-area ranching and dairy Morrison family, was rezoned in April to allow for use by a data center.”
    News report · April 2019 · grade C
  • Rezoning date: April 2019
    “The parcel, owned by the longtime Gilbert-area ranching and dairy Morrison family, was rezoned in April to allow for use by a data center”
    News report · April 2019 · grade C
Legal (1)
  • Opposition: Water-use criticism of the 2019 deal and of corridor data centers generally; no campus-specific lawsuit or organized opposition located
    “Data centers are not a responsible use of our water and it's time to stop and allow other forms of manufacturing and technology to infill in this area”
    News report · July 2021 · grade C
Site and other (21)
  • Address: Northwest corner of E Elliot Rd and S Sossaman Rd, Mesa, AZ (Elliot Road Technology Corridor)
    “PROJECT RED HAWK, A SWITCHYARD AND MULTIPLE TRANSFORMERS INTERCONNECTING 230KV STRUCTURES, LOCATED AT SOSSAMAN AND ELLIOT ROADS ALL WITHIN THE CITY OF MESA”
    State agency · Dec. 2019 · grade A
  • Acres: 187 acres
    “The Project contemplates the construction of facilities, as more fully described in Part C, located entirely on a single customer-owned 187-acre parcel (Property)”
    State agency · Dec. 2019 · grade A
  • Code names: Project Red Hawk (City of Mesa / SRP / ACC); Project Allium (former SRP name)
    “submits this application for a Certificate of Environmental Compatibility (CEC or Application) for Project Red Hawk (Project)”
    Utility regulator · Sept. 2019 · grade A
  • Construction stage: operating, Phase 1 operating since July 2025; Phase 2 operational (Epoch estimate, August 2026); Phase 3 in design review
    “Building 2 is operational. This is estimated based on the close-to-complete construction status from May 2026.”
    Dataset · Oct. 2026 · grade B
  • Stage: operating
    “Phase 1 Construction Built and In-service”
    Utility regulator · Oct. 2026 · grade B
  • Land clearing begins across the entire site (Epoch AI imagery tracking).
    “Land clearing begins for the entire site.”
    Dataset · Oct. 2026 · grade B
  • Operator: Google
    “Google Mesa; Owner: Google”
    Dataset · Aug. 2026 · grade B
  • Buildings operational: 2
    “Building 2 is operational. This is estimated based on the close-to-complete construction status from May 2026.”
    Dataset · Aug. 2026 · grade B
  • Chips: TPU v6e, TPU v5p
    “Current chip types: TPU v6e, TPU v5p”
    Dataset · Aug. 2026 · grade B
  • Current target date: 2025
    “Building 1 is operational. This is based on the state of construction on 2025-03-02 as seen on Google Earth”
    Dataset · July 2025 · grade B
  • Aliases: Project Red Hawk; Project Redhawk; Redhawk; Project Allium (former)
    “Formerly the Allium Project.”
    Utility regulator · May 2025 · grade B
  • Developer: Google LLC (Alphabet Inc.)
    “Last year, construction started for our first Arizona data center in Mesa”
    Company · March 2024 · grade B
  • County code: Maricopa County, AZ (04013); Pinal County, AZ (04021); Coconino County, AZ (04005)
    “Google will receive clean energy output from Sonoran Solar Energy Center, Storey Energy Center as well as previously announced wind farm at Babbitt Ranch Energy Center”
    Utility regulator · March 2024 · grade B
  • Project status: operating (Phase 1, since mid-2025) with Phase 2 under construction and Phase 3 in design review
    “Google's 288,000-square-foot data center near Mesa began operating in mid-2025. Google is adding a second facility of similar size on the same site”
    News report · June 2026 · grade C
  • Phases: 3
    “Google is ready to move forward with Phase III of its Project Redhawk data center campus at the NEC of Elliot and Sossaman roads”
    News report · Oct. 2025 · grade C
  • Buildings: 3
    “The Phase III submission details plans for a single-story data center with two server halls”
    News report · Oct. 2025 · grade C
  • Owner companies: Stone Applications LLC (Delaware LLC), a Google subsidiary, landowner of record
    “The company, via its Stone Applications LLC subsidiary, has filed for Redhawk Phase 2”
    News report · April 2024 · grade C
  • Architect engineer: HDR Engineering Inc. (design applicant, Phases 1-2); DLR Group (Redhawk Hub office building)
    “HDR Engineering Inc. is listed as applicant on the data center proposal, while DLR Group is the applicant for the office building”
    News report · April 2024 · grade C
  • Groundbreaking date: July 2023
    “Google broke ground on the first building at the Mesa campus in July 2023”
    News report · July 2023 · grade C
  • Site acres: 187 acres
    “The data center will be built on 187 acres of farmland in the Elliot Road Technology Corridor, which already has five existing or planned data centers.”
    News report · July 2019 · grade C
  • Original target date: July 2025
    “Under the terms and conditions, Phase I of the data center development must be completed by July of (2025)”
    News report · July 2019 · grade C