Most Lake Dallas homeowners invest between $7,000 and $15,000 for a complete generator installation, including the unit, automatic transfer switch, concrete pad, permits, and professional installation. The exact cost depends on your home’s size and power requirements.Smaller homes typically need a 10-14 kW generator, while larger homes may require 20-24 kW systems. Natural gas generators are generally more cost-effective to install if your home already has a gas connection, which most Lake Dallas homes do.We provide upfront pricing with no hidden fees, so you know exactly what you’ll pay before work begins. Many homeowners find the investment pays for itself during the first major outage when they avoid spoiled food, hotel costs, and the stress of being without power for days.