WHY IS LIFE SO HARD?Data-center field guide
Arizona facility dossier · sources checked 2026-11-08

CyrusOne Chandler generator-testing program

CyrusOne's Chandler generator page lists dated test runs from December 2025 through August 2026. Chandler's ordinance sets the limits and notice rules that these runs fall under, so the dates here are the public record for checking them.

At a glance

Operator
CyrusOne
Jurisdiction
City of Chandler, Arizona
Routine runs
Weekdays, 9 a.m. to 5 p.m. (no-load runs)
Scheduled extended test
August 11, 2026, 7 a.m. to 7 p.m.

What the sources establish

  • CyrusOne's Chandler page says routine no-load generator runs happen on weekdays between 9 a.m. and 5 p.m. [1]
  • The page lists dated test runs from 7 a.m. to 7 p.m. on April 23, 2025, December 18, 2025, January 22, 2026, February 5, 2026, May 27, 2026, and August 11, 2026. [1]
  • The May 2026 run schedule was cut from eight days to four days, with runs from May 27 to June 10, 2026, to support a new substation. [1]
  • Chandler's ordinance sets routine generator maintenance and testing time limits, including a notification protocol. [2]

Timeline

  1. 2025-04-23 — Generator test run (substation work).
  2. 2025-12-18 — Generator test run (substation work).
  3. 2026-01-22 — Generator test run (substation work).
  4. 2026-02-05 — Generator test run (substation work).
  5. 2026-05-27 — Generator runs start; schedule cut to four days ending 2026-06-10.
  6. 2026-08-11 — Generator test run for required substation maintenance.

What this page does not establish

  • Whether each listed run stayed within Chandler's testing time limits (not assessed here).
  • How much notice residents received for each run.
  • How many generators ran on each date.

What to check next

  1. Compare each listed run with Chandler's notice and time rules.
  2. Request the generator testing logs for the scheduled dates.
  3. Check whether the 2026 substation work has a public permit or APS filing.