Power Systems That Keep Operations Running
Commercial Generator Installation in Missoula for businesses requiring uninterrupted electrical service
Edison Electric performs commercial generator installations in Missoula for facilities where power interruptions translate directly into financial losses. Your operation faces compounding costs during grid failures—lost productivity, spoiled refrigerated inventory, corrupted data from abrupt system shutdowns, and extended revenue loss as operations restart and catch up after the outage itself ends. Standby generators sized for commercial loads automatically detect utility failure and restore power to critical circuits within seconds through automatic transfer switches that monitor incoming voltage and transfer to generator power without requiring manual startup.
The installation process begins with load analysis to determine actual capacity requirements by measuring your facility's power draw across all three phases, accounting for motor starting currents that temporarily spike to several times their running amperage. This analysis identifies which circuits require backup versus which can shed during generator operation to reduce required generator size and fuel consumption.
Request a commercial site evaluation to assess your facility's backup power requirements and development installation timeline.
How Commercial Systems Differ From Residential Units
Commercial installations operate fundamentally differently than residential systems through their use of three-phase power distribution, significantly higher kilowatt capacities, and integration with building management systems that control HVAC, security, and data infrastructure. The generator must handle not just lighting and receptacles but also commercial refrigeration compressors, ventilation fans, and process equipment specific to your operation.
Once the system completes installation and testing, your facility maintains continuous operation during utility outages without staff intervention. Refrigerated storage stays at temperature, preventing inventory loss. Computer systems and data servers continue running without the hard shutdowns that corrupt files and damage hardware. Security systems, access controls, and surveillance equipment remain operational throughout the outage duration.
Generator sizing must account for all simultaneously operating loads plus the inrush current required when motors start under load. Undersized units trip on overload when multiple systems attempt to start at once, while oversized generators consume excessive fuel and wear components faster due to prolonged operation below optimal load percentages..
What Businesses Ask About Backup Power Systems
Commercial facilities in Missoula frequently ask about generator specifications, installation requirements, and operational considerations before committing to backup power systems.
How is the required generator capacity determined for a commercial building?
Load analysis measures actual power consumption across all three phases during peak operation, adds motor starting currents that spike to five or six times running amperage, and calculates total demand to size the generator with appropriate overhead for reliable starting and sustained operation without overload trips.
What happens during the transfer from utility power to generator power?
Automatic transfer switches continuously monitor incoming utility voltage and frequency, detect when power falls outside acceptable parameters, send a start signal to the generator, and switch building loads to generator power once the unit reaches operating voltage and frequency—typically completing this sequence within ten to fifteen seconds of grid failure.
How long can a commercial generator run during extended outages?
Runtime depends entirely on fuel supply rather than equipment limitations, with diesel units operating continuously for days when connected to adequately sized fuel tanks, though most commercial installations include enough onsite fuel storage for twenty-four to seventy-two hours of continuous operation at full rated load.
What maintenance does a standby generator require after installation?
Commercial units require monthly automatic exercise cycles where the transfer switch starts the generator and runs it under load for fifteen to thirty minutes to circulate fluids and prevent fuel system deposits, plus annual service that includes oil and filter changes, coolant testing, battery inspection, and transfer switch contact examination.
Can the generator power the entire facility or only specific circuits?
Load shedding strategies allow smaller generator capacity by identifying non-critical circuits that disconnect during backup operation—such as electric water heaters, non-essential lighting zones, or equipment that can temporarily shut down—reducing generator size requirements and associated fuel consumption while maintaining power to refrigeration, data systems, and primary operational equipment.
Edison Electric designs commercial generator systems based on actual facility power requirements and operational priorities specific to your business model. Schedule a site assessment to review your building's electrical distribution and discuss backup power options for your Missoula location.
