☀️ Solar panels in St. Petersburg, FL: cost & savings (2026)
Cost after tax credit: $16,800 · Payback: 9.5 years · Est. savings: $1,761/year.
With about 261,256 residents, St. Petersburg is a large city and the #5 largest city in Florida. Homes here pay Florida's residential rate of 15¢/kWh (about $157/month), so a typical 8 kW solar system — roughly $16,800 after the 30% federal tax credit — saves close to $1,761/year and pays back in about 9.5 years. That makes solar usually worth it in St. Petersburg. Below, compare nearby Florida cities and get real quotes.
Is solar worth it in St. Petersburg?
Solar pays off fastest where power is expensive and the sun is strong. In St. Petersburg, electricity runs about 15¢/kWh and South sunlight gives a production factor of 1.10×. A standard system offsetting most of a $157/month bill returns roughly $1,761/year and pays for itself in about 9.5 years.
Your real result depends on roof, shading, exact usage and installer pricing. Always compare a couple of real St. Petersburg quotes before signing.
See St. Petersburg electricity rates → · All Florida solar →
St. Petersburg solar FAQ
How much do solar panels cost in St. Petersburg, FL?
A typical 8 kW home system is around $24,000 before incentives, or about $16,800 after the 30% federal tax credit in St. Petersburg. Local utility or Florida incentives can lower it further.
Is solar worth it in St. Petersburg?
In St. Petersburg it's usually worth it: with Florida electricity at 15¢/kWh and South sunlight, a system saves roughly $1,761/year and pays for itself in about 9.5 years, then produces largely free power for the rest of its 25+ year life.
How much can I save with solar in St. Petersburg?
About $1,761 per year and roughly $27,225 over 25 years after the system pays for itself. Exact savings depend on your roof, shading and usage.
How do I get cheap solar in St. Petersburg?
Get at least three quotes from installers active in St. Petersburg, claim the 30% federal tax credit, stack any Florida or utility rebates, and avoid oversizing the system beyond your $157/month usage.