Site Issue: A One-Hour Outage Costs More Than One Hour of Sales
Supermarkets, fresh-food stores, restaurants and cold-chain tenants are highly outage-sensitive. Refrigerated cases stopping, cold rooms warming, kitchen exhaust failing and water pumps shutting down expand losses from sales into inventory, hygiene, compensation and complaints.
The challenge is starting demand and runtime. Refrigeration compressors may restart together while kitchen exhaust, pumps and lighting also return. Without staged loading, generator overload or breaker trips are likely.
Configuration Review: Which Cold-Chain Loads Must Hold Temperature?
Separate priorities for supermarket cases, restaurant cold rooms, fresh-food storage, kitchen exhaust and pumps. Then review refrigeration nameplates, starting methods, target runtime and available tank space.
- Share of supermarket, food-service and fresh-food tenants, plus refrigeration equipment list.
- Loads for refrigerated cases, cold rooms, compressors, kitchen exhaust, pumps and lighting.
- Refrigeration starting methods, variable-speed drives and ability to restart in stages.
- Target runtime, tank space, refueling access and fuel-level alarms.
Why This Design: Cold-Chain Priorities Must Follow Temperature Risk
Not all refrigeration must recover at once. High-value fresh goods, freezer rooms and critical cases should receive priority; standard display cases, selected kitchen equipment and comfort loads can be delayed as capacity permits. This reduces starting demand and extends fuel runtime.
The design should document cold-chain circuits, tank runtime, level alarms, refueling route and temperature-record requirements together. Malls with extensive food service also need a coordinated review of exhaust, water, drainage and fire safety.
Review Documents: Cold Chain and Fuel-Tank Conditions
- Equipment list for refrigerated cases, cold rooms, refrigeration units, kitchen exhaust and pumps.
- Refrigeration nameplates, starting methods, operating periods and temperature requirements.
- Target runtime, tank location, refueling route and safety requirements.
- Cold-chain tenant count, inventory value or estimated outage loss.
- Site photos of existing panels, ATS, generator sets and cold rooms.