Emergency Chilled Water Storage Tanks: N+1 Reserve and Fail-Safe Capacity An emergency chilled water storage tank is the reserve asset that lets a data center keep cooling when a chiller trips, a power transfer stumbles, or a pump fails. It is not the same as the everyday TES used for tariff shifting; it is sized and configured for fail-safe continuity. This article covers the tank as a resilience asset. Key Takeaway An emergency chilled water storage tank for a data center