Solar Panel Cost in St. Petersburg, FL (2026)
Solar panel costs in St. Petersburg, FL typically run near the Florida state average. A 6 kW system in St. Petersburg costs about $16,650 before the 30% federal ITC, with payback around 8.1 years at local utility rates.
Quick answer
In St. Petersburg, a 6 kW solar panel system costs about $16,650 installed (8.1-year payback). After the 30% federal tax credit, net cost is roughly $11,650. Annual savings: ~$1,400/year at 14.2¢/kWh.
Free quote comparison
Compare solar quotes in St. Petersburg
Free — compare pre-screened local installers. No obligation.
MySunROI may earn a fee if you request quotes through partner links. See our disclaimer.
Solar Panel Cost Calculator
Instant estimate with Solar Score™ — unique to MySunROI
Estimate for Florida
$7,600net after 30% ITC
~4 kW · 10 panels · $10,800 before credits · 14.2¢/kWh
Annual savings
$934
Payback
8.1 yrs
25-year savings
$24,528
25-year savings timeline
Includes ~3% utility rate growth & 0.5%/yr panel degradation
St. Petersburg vs US Average
| Metric | FL | US avg |
|---|---|---|
| 6 kW system (before credit) | $16,650 | $16,271 |
| Net cost after 30% ITC | $11,650 | $11,390 |
| Cost per watt | $0.00/W | — |
| Annual electricity savings | $1,400 | $1,335 |
| Payback period (years) | 8.1 yrs | 9 yrs |
| Electricity rate | 14.2¢/kWh | — |
Updated 2026-07-07. Estimates only.
What affects solar costs in St. Petersburg?
St. Petersburg metro solar pricing runs near the Florida state average, reflecting local labor, permitting, and installer competition. Florida solar growth is driven by high air-conditioning loads and strong sun statewide. Net metering is available through major IOUs, though policy debates continue — lock in current rules when interconnecting.
St. Petersburg homeowners should compare at least three local quotes specifying panel brand, inverter type, and production guarantee. Florida has no state income tax, so the federal ITC provides the primary tax benefit. Hurricane-rated mounting is standard in coastal counties.
Utility rules in Florida affect how solar credits apply to your bill — verify net metering or buyback terms for your specific provider serving St. Petersburg.
St. Petersburg solar ROI depends on Florida electricity rates, local install competition, and roof suitability. Florida pricing is near US average with excellent production — strong market for rooftop solar.
St. Petersburg solar snapshot
- 6 kW system: $13,000 – $22,950
- After 30% ITC: $11,650
- Electric rate: 14.2¢/kWh · Peak sun: 5.3 hrs/day
- Payback: ~8.1 years · Annual savings: ~$1,400
How to maximize solar ROI in St. Petersburg
- Compare St. Petersburg installer quotes on cost per watt ($/W)
- Check Florida incentives — state guide
- Review how to choose installers in Florida
- Compare Miami vs. Tampa vs. Jacksonville quotes
- Consider battery backup for hurricane resilience
Frequently Asked Questions
How much do solar panels cost in St. Petersburg?
A 6 kW solar system in St. Petersburg, FL typically costs $13,000–$22,950 before incentives, or $11,650 after the 30% federal tax credit.
Is solar worth it in St. Petersburg?
With 14.2¢/kWh electricity rates and 5.3 peak sun hours, St. Petersburg homeowners often see 8.1-year payback. Use our calculator for your roof and usage.
How does St. Petersburg compare to Florida?
St. Petersburg install pricing is near the state median in Florida.
Related pages
How We Calculate Solar Costs
MySunROI estimates combine NREL residential PV installed-price benchmarks, EIA state electricity rates, and regional labor modifiers — updated 2026-07-07.
Estimates only. Last updated 2026-07-07. Estimates based on NREL PV cost benchmarks, EIA electricity rates, and 2026 installer pricing surveys.