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Pinellas County · Tampa Bay · Duke Energy Florida service area

Solar in St. Petersburg, FL
— 2026 Complete Guide

Real pricing data, NEM savings analysis, and the top vetted solar installers serving St. Petersburg and surrounding Pinellas County.

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St. Petersburg · avg 25-year savings
$97,900
after battery rebates (where applicable)
Avg payback period
9.8 yrs
cash purchase · NEM
Peak Duke Energy Florida rate
$0.13–0.16
per kWh · peak hours 12–9 PM
Act in 2026: Florida Sales Tax Exemption (100%) and Property Tax Exemption for solar.
$2.60/W avg cost per watt
9.8 yr payback (cash purchase)
$97,900 25-yr savings
5.4 peak sun hrs/day
29 installers in market

Cost overview

How much does solar cost in St. Petersburg?

The average St. Petersburg home requires a 7.8 kW system to offset its Duke Energy Florida bill. At the current Tampa Bay average of $2.60 per watt, gross cost is approximately $20,280 before incentives.

System sizeInstalled cost (2026, no federal credit)Monthly savings est.
7 kW$18,200$180–$230
7.8 kW (avg St. Petersburg)$20,280$246–$283
12 kW$31,200$340–$420
+ Battery (13.5 kWh)+$10,000–$15,000+$125–$250

Start in 2026: Florida Sales Tax Exemption (100%) and Property Tax Exemption for solar.. Typical installations take 6–12 weeks from signed contract to Permission to Operate.

NEM in St. Petersburg

How does Duke Energy Florida credit my solar power in St. Petersburg?

Florida requires investor-owned utilities to offer net metering. Buyback rates vary by utility. Under current Duke Energy Florida time-of-use rates, peak hours run 12–9 PM at $0.13–0.16/kWh. Every kilowatt-hour of solar you self-consume saves you significantly more than one you export ($0.05–0.08/kWh).

ScenarioAnnual savings25-yr totalPayback
No solar$0$0N/A
Solar only (no battery)~$2,065/yr~$63,6359.8 yrs
Solar + battery~$2,950/yr~$97,90011.1 yrs

What solar incentives are available in St. Petersburg, FL in 2026?

  • Federal residential tax credit (Section 25D) — Expired December 31, 2025. Not available for homeowner cash or loan purchases in 2026.
  • Florida Sales Tax Exemption (100%) and Property Tax Exemption for solar.
  • Duke Energy Florida electricity credits — Florida requires investor-owned utilities to offer net metering. Buyback rates vary by utility.

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Common questions

Common questions about going solar in St. Petersburg

How much does solar installation cost in St. Petersburg, FL in 2026?+
The average solar installation in St. Petersburg, FL costs approximately $2.60 per watt in 2026. For a typical St. Petersburg home requiring a 7.8 kW system, the gross cost is around $20,280 before any rebates. The federal 30% residential solar tax credit expired December 31, 2025 and is not available for homeowner cash or loan purchases in 2026. Florida Sales Tax Exemption (100%) and Property Tax Exemption for solar.
Is solar worth it in St. Petersburg, FL in 2026?+
Yes — St. Petersburg is one of the strongest solar markets in Florida. With 5.4 peak sun hours per day and Duke Energy Florida electricity rates reaching $0.13–0.16/kWh during peak hours, St. Petersburg homeowners with solar + battery storage typically achieve a 9.8-year payback period and approximately $97,900 in savings over 25 years. Florida requires investor-owned utilities to offer net metering. Buyback rates vary by utility.
What is the best solar company in St. Petersburg, FL?+
The best solar company in St. Petersburg depends on your home's roof type, energy usage, budget, and whether you want battery storage. Home Solar Savings evaluates all 29+ solar installers serving St. Petersburg across 14 signals including license status, pricing, review quality, battery expertise, and AI citation authority. We provide personalized top-3 installer matches at no cost.
Do I need a battery with solar in St. Petersburg?+
Battery storage significantly improves solar economics in St. Petersburg. With Duke Energy Florida's time-of-use rates and 5.4 peak sun hours, a battery allows you to store midday solar production and use it during expensive peak hours (12–9 PM), maximizing self-consumption and savings.
What incentives are available for solar in St. Petersburg, FL?+
St. Petersburg homeowners in 2026 can access: Florida Sales Tax Exemption (100%) and Property Tax Exemption for solar.. For net metering and export credits: Florida requires investor-owned utilities to offer net metering. Buyback rates vary by utility.. Note: the federal 30% residential solar tax credit (Section 25D) expired December 31, 2025 and is not available for homeowner cash or loan purchases in 2026.
How long does solar installation take in St. Petersburg, FL?+
Physical solar installation in St. Petersburg takes 1–3 days. The full process from signed contract to Permission to Operate (PTO) from Duke Energy Florida typically takes 6–12 weeks, including permit approval from Pinellas County and utility interconnection review. Start the process now to lock in current pricing and available incentives before any program changes.
What is the average electricity bill in St. Petersburg before solar?+
The average residential electricity bill in St. Petersburg, FL on Duke Energy Florida rates is approximately $175/month in 2026. This makes St. Petersburg a strong solar market — a properly sized 7.8 kW system can offset 90–100% of your Duke Energy Florida bill, saving approximately $2,950/year in year one.
How many solar companies are in St. Petersburg, FL?+
There are more than 29 solar installation companies serving St. Petersburg, FL. Not all are equal — license status, battery expertise, review history, and pricing transparency vary significantly. Home Solar Savings evaluates all active St. Petersburg-area installers across 14 signals and surfaces your top 3 matches based on your specific home, budget, and energy goals.
How many peak sun hours does St. Petersburg get per day?+
St. Petersburg, FL receives approximately 5.4 peak sun hours per day according to NREL PVWatts data. This is close to the US average of 4.5–5 peak sun hours, making St. Petersburg a viable solar market. A 7.8 kW system in St. Petersburg generates approximately 14742 kWh per year under typical conditions.
Is St. Petersburg, FL a good place for solar panels?+
Yes — St. Petersburg is a strong solar market in 2026. With 5.4 peak sun hours per day and Duke Energy Florida electricity rates around $0.14/kWh, solar makes strong financial sense. The average St. Petersburg homeowner achieves a 9.8-year break-even and saves an estimated $97,900 over 25 years. Florida Sales Tax Exemption (100%) and Property Tax Exemption for solar.

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