They are most likely part of a demand load shedding program and are being paid to run off generator.
From: NANOG <nanog-bounces+matthew=corp.crocker....@nanog.org> on behalf of Eric Kuhnke <eric.kuh...@gmail.com> Date: Monday, February 15, 2021 at 5:10 PM To: "nanog@nanog.org list" <nanog@nanog.org> Subject: Infomart Dallas is on generator I have now heard from two reliable sources that Infomart Dallas is presently on generator, and is likely to remain so until the cold weather/electrical supply emergency in Texas has abated. No network impact seen yet.