Separate critical refrigeration and normal loads
For supermarkets and cold-chain warehouses, backup requirements should separate refrigeration, controls, lighting, and safety systems from non-critical loads. The battery reserve strategy depends on how long critical loads must run during an outage.
- List refrigeration compressors, HVAC, lighting, controls, and emergency systems separately.
- Confirm rooftop PV generation and daytime load overlap.
- Review EV charging plans because charger peaks can change the storage size.
Economic and operational review
The storage value can come from demand reduction, PV self-consumption, backup protection, or EV charging support. Each objective changes the battery reserve, discharge schedule, and EMS priorities.
