Commercial Generator Installation in Prescott Valley, AZ

Every minute without electricity costs your business real money. Halted operations, spoiled inventory, disabled point-of-sale systems, employees unable to work, and customers walking out the door. In Northern Arizona, outages from monsoon storms, winter weather, and wildfire-related shutoffs can last hours or even days.

A commercial standby generator detects a power loss and begins supplying electricity within 10 to 30 seconds. Your lights, HVAC, refrigeration, computers, security systems, and equipment stay running without anyone having to do anything.

Assurance Electrical Services is an authorized GENERAC dealer that sizes, installs, and maintains commercial generators for Prescott Valley businesses. ROC #322083. Call (928) 713-2177.

Why Your Prescott Valley Business Needs a Commercial Generator

Power outages cost businesses real money. Every minute without electricity means lost revenue from halted operations, spoiled inventory in restaurants and grocery stores, disabled point-of-sale systems, interrupted manufacturing, and employees unable to work. In Northern Arizona, outages caused by monsoon storms, winter weather, utility maintenance, and wildfire-related shutoffs can last hours or even days.

A commercial standby generator eliminates this vulnerability. Connected directly to your building’s electrical system through an automatic transfer switch, a commercial generator detects a power loss and begins supplying electricity within 10 to 30 seconds. Your lights, HVAC, refrigeration, com

GENERAC Commercial Generators

As an authorized GENERAC dealer, Assurance Electrical installs the full lineup of GENERAC commercial standby generators. GENERAC has manufactured generators for over 60 years and offers natural gas, liquid propane, and diesel-powered commercial units ranging from 22kW to 150kW and above. Features include automatic operation, remote monitoring, quiet enclosures rated for commercial environments, and industry-leading warranties. We help you select the right unit based on your building’s electrical load, fuel availability, noise requirements, and budget.

Our Commercial Generator Installation Process

  • Free on-site assessment: We calculate your power requirements and identify critical circuits.
  • System design and sizing: Right generator, right fuel type, right transfer switch configuration.
  • Permitting: We handle all Yavapai County and Town of Prescott Valley commercial permits.
  • Installation: Generator pad, transfer switch, electrical and fuel connections, all to NEC commercial standards.
  • Commissioning: Simulated power outage, transfer verification, voltage and load confirmation.
  • Owner training: Your team learns the system, the monitoring app, and the maintenance schedule.

Frequently Asked Questions

Commercial generator installations in Prescott Valley typically range from $15,000 to $60,000 or more, depending on generator size (kW capacity), fuel type, transfer switch complexity, and site preparation requirements. A small office or retail store may need a 22kW to 48kW unit, while a restaurant, medical facility, or warehouse may require 60kW to 150kW. Assurance Electrical provides free on-site assessments with detailed, itemized proposals.
Most commercial generator installations take two to five business days, depending on the generator size, electrical complexity, and site preparation. We schedule work to minimize disruption to your operations, including after-hours and weekend installation when needed. Permitting and inspection coordination may add additional time to the overall project timeline.
Generator sizing depends on your total electrical load and which systems you need backed up. A general guideline: a small retail store or office suite may need 22kW to 48kW, a restaurant or medical office typically needs 48kW to 100kW, and a warehouse or manufacturing facility may require 100kW to 150kW or more. Our electricians perform an exact load calculation during the free assessment to ensure accurate sizing.
Commercial generators require regular maintenance to ensure reliable operation when needed. GENERAC recommends semi-annual or annual professional service that includes oil and filter changes, coolant checks, battery testing, load bank testing, fuel system inspection, and a full operational test. Your generator also runs a weekly automatic exercise cycle. Assurance Electrical offers commercial generator maintenance plans tailored to your unit and operating conditions.
Yes, if sized correctly. A whole-building commercial generator powers every circuit in your facility, including HVAC, lighting, equipment, and outlets. Alternatively, an essential-load generator powers only critical systems at a lower cost. During your assessment, we identify which circuits are essential to your operations and recommend whole-building or essential-load coverage based on your needs and budget.