County supervisors voted 4-1 to give Project Baccara a special permit needed near Luke Air Force Base. The 160-acre site off Olive Avenue and Litchfield Road would hold two data centers and a gas power plant, about 400 feet from a dozen homes. It still needs an air permit.

May 6, 2026Source

📜 Data center rules · Maricopa County

County supervisors updated zoning for data centers on unincorporated land. They are allowed only in the IND-2 and IND-3 industrial zones; other land must be rezoned first.

Dec 10, 2025Source

🗺️ Zoning change · Maricopa County

County supervisors unanimously rezoned about 2,000 acres west of the White Tank Mountains for industrial use. This clears the way for Hassayampa Ranch, a planned data center campus over 1 gigawatt led by Arizona Land Consulting.

Dec 10, 2025Source

Built & runningBeing builtApproved, not built yetProposedStopped or cancelled

What you can do

Get told first.
We'll email you if anything changes in Unincorporated Maricopa County.
Go to county meetings.
Anyone can speak. Big projects usually need a public hearing.
Ask questions in writing.
Use our checklist.

📣 Report something here

🔔 Get told first

⚡ Your electric company

Depending on where you live in Unincorporated Maricopa County: Tohono O'odham Utility Authority (not available) or Gila River Indian Utility Authority (gricua) (co-op (owned by its members)) or Ocotillo Water Conserv. Dist. (not available) or Maricopa County M W C Dist #1 (not available) or Harquahala Valley Pwr District (not available) or Usbia-san Carlos Project (public) or Wapa-- Western Area Power Administration (public) or Electrical Dist No8 Maricopa (public) or Tonopah Irrigation District (not available) or Buckeye Water C&d District (not available) or Arizona Public Service Co. (company) or Salt River Project (public).

Big data centers need a lot of power. Who pays for new power lines depends on state rules. See the rules in Arizona.

🙋 Open tasks here

Has the air permit for the gas power plant been granted?
When will the Glendale City Council vote on annexing and rezoning the land (expected late October 2026)?
Which company will use the data centers?
How much groundwater will the site use each day?
How many diesel backup generators will the site have?
Which company will build and use the data centers?
Where will the power come from, and will a power plant be built on site?
How much groundwater will it use each day?
Exactly where on the ranch will the buildings go?
How big will the data center part be, in buildings and megawatts?
Which company will use the data centers?
Where will the power and water come from?
Is the 320-acre Camelback Creek site at 411th Avenue and Camelback Road part of this project?
Which company will build or use the data centers?
Where will the water come from, and how much will be used?
How much power will the campus use?
When will Maricopa County hold hearings on the Belmont Energy Center?
How many data center buildings are planned, and how big is the gas plant?
Where would the water come from?

How to help →

6 data center projects in Unincorporated Maricopa County

In Unincorporated Maricopa County

Project Eagle (formerly Project Baccara) data center campus and gas power plant near Luke Air Force Base

Hassayampa Ranch data center campus west of the White Tank Mountains

Tonopah mixed-use campus with data centers and a movie studio

Project Range data center campus near Yuma Road (withdrawn)

Data center and solar campus at 491st Avenue and Thomas Road, Tonopah

Belmont Energy Center: solar, gas and data center site near Tonopah

Nearby (within 15 miles)

Microsoft data center campus south of Phoenix Goodyear Airport

Buckeye Tech Corridor data center park

Prime Data Centers Phoenix campus (PHX01) in Avondale

QTS Phoenix 3 data center campus on Camelback Road

QTS data center campus at Hermosa Ranch, Avondale

Local votes and rules