Is solar worth it in Nashville, TN?
A typical 7 kW rooftop system in Nashville produces about 7,703 kWh/year and pays back in roughly 24.8 years against the area’s ~11.0¢/kWh commercial rate. Computed from Nashville’s solar geometry — refine for your exact roof below.
Monthly production — 7 kW system in Nashville
How much solar does Nashville get?
Nashville’s temperate climate gives a solar specific yield of about 1,100 kWh per kW of installed panels each year (south-facing, tilted near the latitude of 36°). At an estimated commercial electricity rate of ~11.0¢/kWh, a 7 kW array offsets roughly $847 of bills in year one, for a simple payback near 24.8 years before incentives. Add storage and you can ride through outages and shift usage off peak — model the full system for your address next.
Get the exact payback for your roof
Run real NREL PVWatts production against your actual serving utility — then size storage in the modeler.