Abstract - Uptime Institute and the company’s Tier Standard has become the de facto standard for data center reliability, sustainability and efficiency, and the IT industry’s most trusted global standard for the design, build and operation of data centers. For over 25 years, Uptime Institute has provided customers with the assurance that their digital infrastructure can perform at a level consistent with business needs across a wide array of operating conditions. Originally formed as a data center consultancy, and the founder of the oldest network of data center owners and operators, today Uptime Institute is the global data center authority across a vibrant and changing industry.