For healthcare services, emergency power systems are required to be configured for support of critical areas, support systems., communications systems, elevators, egress lighting and refrigeration, according to an article on the McKnight's website.
The National Fire Prevention Association specific emergency power requirements used to be based on how a facility was classified. Now requirements are based on the services the facility provides.
For instance, if surgery isn't performed on at a facility, it probably don't have to meet the more stringent requirements.
On the other hand, if a facility needs to refrigerate medications and run HVAC systems during an extended blackout, it needs the capacity to supply emergency power.
5 Reasons Engineering is the Edge in Healthcare Master Planning
Building an AI-Ready Healthcare Facility 
Family Medical Associates of Raleigh Reports April 2026 Data Breach
Every Detail Matters: A Patient's Story of Healing, Hope and Healthcare Facilities
Geisinger Wyoming Valley Medical Center Tops Off New 11-Story Tower