Generator costs in Decatur typically range from $3,000-$15,000 for residential systems, depending on the size, features, and complexity of installation. Commercial systems generally start around $10,000 and can go up significantly based on capacity requirements. We offer free on-site assessments to provide an accurate quote for your specific needs.

Most residential installations in Decatur can be completed in 1-2 days once permits are approved. Commercial installations may take 2-5 days depending on system complexity. The entire process, including permitting, typically takes 2-3 weeks from initial consultation to completed installation.

Regular maintenance is crucial for reliable generator operation. This includes oil changes, filter replacements, battery checks, and system testing. We recommend biannual maintenance for most residential systems and quarterly service for commercial generators. Our maintenance plans include all necessary services scheduled at appropriate intervals.

The right generator size depends on your specific needs. For essential circuits (refrigerator, some lights, furnace), a 7-10kW generator is often sufficient. For whole-home power, most Decatur homes require 16-22kW systems. Commercial requirements vary widely. Our technicians will perform a detailed load calculation to determine the appropriate size for your property.

Yes, Decatur requires permits for generator installations. Our team handles all permitting requirements as part of our installation service, ensuring your system meets all local building and electrical codes. We coordinate with city inspectors to make the process seamless for you.

In Decatur, natural gas is the most common fuel choice when available due to convenience and unlimited run time. Propane is another popular option, especially in areas without natural gas lines. Diesel generators are typically used for larger commercial applications. We'll help you determine the best fuel type based on availability and your specific needs.