How much does it cost to install a standby generator at home?

Final pricing for a home standby generator installation is confirmed after an on-site assessment by Atomic Electric Service Inc. The quote reflects the power needs of your home and how the generator will integrate with your electrical system. We install Briggs & Stratton systems with either manual or automatic transfer switching and back our workmanship with a one-year craftsmanship warranty while honoring manufacturers’ parts warranties. Free estimates are available for generator installation. Our team serves homeowners across the Maryville area with clear, detailed estimates. A right-sized setup that focuses on must-run circuits often delivers better value than trying to power everything.

Key cost drivers our electricians review:

• Required kilowatt capacity for your home
• Manual vs automatic transfer switch
• Fuel and site prep (pad, gas line)
• Panel upgrades, wiring distance, and interconnection

Schedule an in-home assessment to receive an accurate, itemized estimate for your property. <br/> Updated: 2026-03-10 <br/> Need help in Maryville, TN? Call (865) 224-3898 or book online.