MARICOPA COUNTY AIR QUALITY DEPARTMENT Notice of Public Hearing and Public Comment Start of Public Comment Period: April 29, 2026 End of Public Comment Period: June 3, 2026 Date and Time: Monday, June 1, 2026; 3:00 p.m. (virtual) Location: Microsoft Teams (virtual) events.gcc.teams.microsoft.com/event/999b8d28-92f9-478c-ae04-080f43bc6217@30cd35d4-9951-4a72-978e-89655075c17f After registering, you will receive a confirmation email containing information about how to join and participate in the webinar. Maricopa County Air Quality Department, 301 W. Jefferson Street, Suite 410, Phoenix, AZ 85003, has processed an application for the following facility and is proposing to issue an air quality permit. Proposed Permit No. P0013318 Facility Information: F000042 APS Aligned Energy Data Center 2500 W Union Hills Dr Phoenix, AZ 85027 Facility Type: Data Center Pollutants: Products of Combustion The permit application, proposed Technical Support Documentation, and proposed permit may be reviewed online at Maricopa.Gov/1624. Additional information may be obtained by contacting the department at 602-506-6010 or submitting a public records request online at Maricopa.Gov/5073. In accordance with Arizona Revised Statutes (A.R.S.) §§ 49-426 and 49-480.02, any person may submit written comments to the Permitting Division Manager at 301 W. Jefferson Street, Suite 410, Phoenix, AZ 85003 within 30 days after the start of the public comment period or via email at AQPermits@Maricopa.Gov. Any written comment shall state the name, email and/or mailing address of the person, shall be signed by the person, his agent, or his attorney and shall clearly set forth reasons why the permit should or should not be issued. Grounds for comment are limited to whether the proposed permit meets the criteria for issuance as prescribed in A.R.S. §§ 49-426, 49-480, or 49-481. Members of the public may comment in person at the hearing through oral or written statements. In addition to providing oral or written comments at the hearing, any person may submit written comments to the department at its address above provided they are received no later than Wednesday, June 3, 2026, 5:00 p.m. MCAQD will take reasonable measures to provide access to department services to individuals with limited ability to speak, write, or understand English and/or to those with disabilities. Requests for language interpretation services or for disability accommodations must be made at least 48 hours in advance by contacting: 602-506-6443. MCAQD tomará las medidas necesarias para brindar acceso a los servicios del departamento a personas que no dominan el idioma inglés y/o personas con discapacidades. Las solicitudes de servicios de interpretación de otro idioma o adaptaciones para discapacitados deben realizarse con al menos 48 horas de anticipación comunicándose con: 602-506-6443. Pub: April 30, May 7, 2026