Florida
Solar in St. Petersburg, Florida
A south-facing roof in St. Petersburg makes about 1,524 kWh per kW each year, about the Florida average; a typical home's net-zero system here is about 8.7 kW, costs as low as $18,980 installed, and pays back in about 10 years on Duke Energy Florida rates.
See the numbers for your St. Petersburg address
At a glance
Typical electrically heated home, 1100 kWh a month, best-case figures with the range shown. Sources.
Who sends your bill
At the center of St. Petersburg the service-territory layer shows Duke Energy Florida. Boundaries are coarse at town edges, so your bill is the final word; the utility finder checks any address.
What the sun does in St. Petersburg
- A south-facing roof at a 30° pitch makes about 1,524 kWh per kW a year, about the Florida average.
- March is the best month at about 149 kWh per kW; June the worst at about 116. Spring is the strongest season and summer afternoons bring clouds, so the net-zero size is set on the whole year, not on the hottest month, and how your utility credits exports decides what the summer surplus is worth.
- Roof direction and pitch change the yield by a quarter or more; the estimate reads your actual roof from satellite imagery and fills south-facing planes first.
- Air conditioning roughly doubles an August bill compared with February, so a single bill is annualized with Florida's monthly load shape rather than multiplied by twelve.
A typical St. Petersburg home: 1100 kWh a month, electric heat
Valued at Duke Energy Florida rates (15.0¢/kWh energy); Florida's tax exemptions included. Your roof, usage and heating change every number.
Questions St. Petersburg homeowners ask
- How much do solar panels cost in St. Petersburg?
- For a electrically heated home using about 1100 kWh a month, a net-zero system of about 8.7 kW costs roughly $18,980 to $23,198 installed at current Florida cash prices, before any incentive. Larger homes and electric heat need bigger systems; your address gives a real figure in about a minute.
- How long does solar take to pay for itself in St. Petersburg?
- About 8.4 to 11.3 years for that typical home on Duke Energy Florida rates, assuming electricity prices rise 2.7% a year. Duke Energy Florida's own rules (fixed charge, net-metering credits) are built in.
- Which utility serves St. Petersburg?
- At the city centre the service-territory layer shows Duke Energy Florida. Boundaries are coarse at town edges, so your bill is the final word.
- Does solar work through St. Petersburg's summers and storm season?
- Yes, with a seasonal shape: March makes about 149 kWh per kW and June about 116. Summer is when the system earns most of its keep: production peaks in the same months as air conditioning, so more of it is used on site. Hurricane wind loads are an engineering and insurance question for the installer, not a production one.
- What incentives apply in 2026?
- Florida exempts solar equipment from sales tax and keeps the value it adds off your property-tax bill, and both are already in these figures. Business-owned systems, including rental property, qualify for the 30% federal investment credit (Section 48E) and bonus depreciation when placed in service by the end of 2027; tax-exempt owners receive the 30% as cash. Not tax advice.
On the map
Nearby: Largo, Clearwater, Tampa, Bradenton, Brandon, Sarasota. All Florida cities.
Sources
Every figure on this page comes from the documents and models below, with the date each was produced or last checked.
- Sunlight and monthly production for St. PetersburgEffective November 1, 2026 · Checked November 1, 2026 · Read from the primary source
- Duke Energy Florida rates and net-metering rules (worked example)Effective October 1, 2026 · Checked November 1, 2026 · Read from the primary source
- Which utilities serve the areaChecked November 1, 2026 · Read from the primary source
- Installed cost, savings and paybackChecked November 1, 2026 · Read from the primary source
Spot an error? Email mtsolarestimate@gmail.com. How the estimate is built: methodology.
Your St. Petersburg address, your numbers
The estimate reads your roof, takes your real usage and applies your utility’s rules. About a minute, no contact details asked.