Touchstone Engineers led design and commissioning to replace two end-of-life UPS systems with an Eaton 1MW UPS system and a Mitsubishi UPS system expanded to 1.5MW. Unique Eaton UPS features tested included ECT (loading without load banks) and ESS and VMMS energy efficiency modes. Multiple load banks totaling 1MW were also connected. Data center power distribution to IT equipment and to cooling equipment was reconfigured to 2N redundant, including new swing ATSs. A Trystar docking station was added to the generator switchgear. Existing equipment including parallel redundant Cummins standby generators, ATSs and PDUs were partially commissioned. A failed ATS was replaced and tested.