Tri-State Generation & Transmission Association, Inc. (Tri-State) is a wholesale electric power supplier owned by the 44 electric cooperatives and public power districts it serves. Their challenge is to accommodate 20% annual data growth while providing five-9s availability for applications critical to energy production. They chose NetApp to overcome this challenge. They have implemented NetApp clustered data ONTAP operating system to support a 24/7 private cloud environment. The results of implementing NetApp were it provides 99.999% availability for plant management and enterprise applications, accelerate private cloud deployment, maximizing time to value, service and upgrade infrastructure during business hours, with no downtime, improve performance for virtualized applications and scale NAS volumes up to 20PB.