Solar Panel Installation Cost St. Petersburg: 2026 Comparison Guide
Last updated June 12, 2026
Reviewed by
Alex Rivera
, Senior Solar Editor
Free · No commitment · Certified installers
Quick Answer
Sunrun and Ideal Energy are the top-rated installers in St Pete by permit volume at City of St Petersburg Building Services. A 9.8 kW system runs $28,420 before any federal incentive. Note: the federal Section 25D residential tax credit expired for homeowner-purchased systems installed after December 31, 2025 (IRS), so a 2026 purchase does not reduce that cost by a federal credit. If you choose a lease or PPA, the installer/owner may claim the 30% credit under Section 48E (IRS) and pass savings through as a lower rate. Comparing itemized quotes on labor, equipment, and permit fees still surfaces $500–$2,000 in cost differences at this system size.
St Pete, Florida: 2026 Market Data
📊 LOCAL MARKET DATA
Average system size: 9.8 kW
Typical purchase cost (2026): $28,420 — the 30% federal residential credit (§25D) expired Dec 31, 2025; a lease or PPA still captures it via §48E
Net metering: full retail
State tax credit: 0%
Federal residential credit (§25D): expired for purchases after Dec 31, 2025; lease/PPA still gets 30% via §48E
Median household income: $62,000
Data from U.S. Census Bureau, DSIRE, NREL
Solar Installation Costs in St Pete: 2026
If you're considering going solar in St Pete, it helps to know what your neighbors are actually paying. The average solar system installed here comes in at 9.8 kW, which is a typical size for a single-family home in the area. However, the federal Section 25D residential tax credit expired for homeowner-purchased systems installed after December 31, 2025 (IRS), so a 2026 purchase earns no federal credit — meaning the full installed cost is not reduced by a federal ITC for buyers. Florida doesn't offer a state solar tax credit either, so purchased systems in 2026 rely primarily on Florida's property tax exemption and sales tax exemption on equipment as incentives. If you prefer not to purchase outright, a solar lease or PPA may still benefit from the 30% credit under Section 48E (IRS), with installers often passing those savings through as a lower rate.
One thing St Pete homeowners benefit from is full retail net metering, meaning the excess energy your panels send back to the grid is credited at the full retail rate. That can make a meaningful difference in how quickly your system pays for itself.
With a median household income of $62,000 in St Pete, a solar investment is a significant decision, so it pays to do your homework. Get quotes from several installers, compare the details side by side, and read the fine print on any financing or warranty terms before you sign. Ask plenty of questions about system size, projected output, and how net metering credits will appear on your bill. This is general information, not tax advice.
Why a 9.8 kW Array Pays Back in 8.8 Years in St Pete
A 9.8 kW array hits a sweet spot for many St Pete homes, large enough to cover most or all of a typical household's annual usage without overbuilding. Keep in mind that the federal Section 25D residential tax credit expired for homeowner-purchased systems installed after December 31, 2025 (IRS), so a 2026 purchase no longer receives a federal credit — meaning payback timelines for purchased systems are longer than figures based on the old 30% credit would suggest. If you opt for a solar lease or PPA, the installer/owner may still claim the 30% credit under Section 48E (IRS) and pass those savings through as a lower rate. Our peninsula location still delivers consistent year-round production, with strong output even in the shoulder months, and the system size pairs well with the cooling-heavy load most St Pete homes carry, since air conditioning runs hard from spring through fall. Florida's net metering still allows you to bank excess production at the full retail rate, and after your payback window closes, you're essentially generating free electricity for the remaining years of the panels' life — both of which help shorten the timeline to recover your investment. This is general information, not tax advice.
St Pete Households on Duke Energy Florida: Who Saves the Most
Roughly 28 percent of St Pete homeowners live in communities governed by a homeowners association, and that membership comes with rules worth understanding before you sign a solar contract. The good news is Florida law is firmly on your side. Under the state's solar rights statute, an HOA cannot outright prohibit you from installing panels, and it cannot impose requirements that significantly reduce your system's efficiency or raise costs in a way that defeats the purpose. What an HOA can do is influence placement to a degree, though courts have generally favored the homeowner when production is at stake. Practically speaking, this means your association can't force panels onto a north-facing slope that kills output just for curb appeal. Still, smart homeowners review their covenants early, submit clear plans, and keep documentation. Knowing your legal footing turns what feels like a roadblock into a straightforward formality for most St Pete neighborhoods.
St Pete Payback at 8.8 Years vs National 12.4-Year Average
Sponsored
Most St Pete households get their power from Duke Energy Florida, and your savings potential depends a lot on how you currently use electricity. The biggest winners tend to be homes with high daytime and summer consumption, since that's when your panels produce the most and when Duke's rates do the most damage to your budget. Families running central air through the long Florida summer, households with pool pumps, and homes with electric water heating all see solar offset some of their priciest usage. Duke's net metering program lets you push surplus power back to the grid and earn credits that roll forward, smoothing out months when production dips. If your monthly bills regularly climb into the higher tiers, the math gets even more attractive. Lower-usage households still benefit, just over a longer horizon. The key is matching your array size to your actual consumption pattern so you capture the maximum value from every kilowatt you generate.
EnergySage
Most Popular
Get up to 7 competing solar quotes
Some links above are affiliate links — we may earn a commission at no cost to you. This does not influence our editorial rankings or scores.
Frequently Asked Questions
What is the average solar payback period in St. Petersburg?
St. Petersburg homeowners typically see a full solar payback period of 11–14 years (longer for a 2026 purchase since the federal residential credit expired; a lease or PPA avoids the upfront cost). After payback, the system generates essentially free electricity for the remaining 10–15+ years of its 25-year warranty life. Higher electric rates and more sun-hours shorten the payback period.
What Florida incentives apply in St. Petersburg?
St. Petersburg homeowners qualify for: FL property tax exemption and FL sales tax exemption on solar equipment — both remain in effect. Note: the federal Section 25D residential tax credit expired for homeowner-purchased systems installed after December 31, 2025 (IRS), so a 2026 purchase does not receive a federal credit. If you choose a solar lease or PPA, the installer/owner may still claim the 30% credit under Section 48E (IRS) — often passing savings through as a lower rate — provided construction begins before July 4, 2026 or the system is in service by December 31, 2027. This is general information, not tax advice.
Does the St. Petersburg utility offer net metering?
Net metering is yes — FPL, Duke Energy Florida, and TECO all offer net metering at the retail rate. Net metering allows you to export excess solar energy to the grid during peak production hours and draw it back at night or on cloudy days, dramatically improving your financial return.
Is solar worth it given St. Petersburg's sun-hours?
St. Petersburg receives approximately 5.5 peak sun-hours/day, which is strong — above the US average of 4.5–5.0 hours. A properly sized system will offset 80–100% of a typical St. Petersburg home's electricity usage. Get quotes from at least three NABCEP-certified installers to compare production estimates.
What permits are required in St. Petersburg?
Going solar in St. Petersburg requires county building permit + utility interconnection application. A reputable installer handles all permitting as part of the installation contract — you should not need to visit any office yourself. Permit timelines typically add 2–8 weeks to the installation process.
What is the average solar system size in St. Petersburg?
The typical residential installation in St. Petersburg is 5–7 kW, costing roughly $18,600–$25,700 to purchase. The federal Section 25D residential tax credit expired for systems installed after December 31, 2025 (IRS), so a 2026 purchase earns no federal credit. If you prefer a lease or PPA, the installer/owner may still capture the 30% credit under Section 48E (IRS) and pass savings through as a lower rate. System size depends on your monthly electricity usage, available roof space, and shading. An installer will use your 12-month utility bill to recommend an appropriately sized system.
FL Homeowners Save an Avg. of $1,400/yr
New-Construction Solar in St Pete: What Pinellas County Buyers Should Know
At 12.6 years, St Pete's typical solar payback sits just a hair behind the national average of 12.4 years, which is genuinely impressive when you consider the variables involved. Some sunnier southwestern markets edge out Florida on raw production, while states with steeper electricity rates can shorten paybacks despite weaker sun. St Pete lands in a comfortable middle, blending excellent sunlight with moderate utility costs. That tenth-of-a-year gap is essentially noise, and it should reassure local homeowners that they're not paying a premium to go solar in this market. Florida's lack of a state income tax means you can't layer on state-level credits the way buyers in other regions might, yet the property tax exemption and sales tax exemption on equipment help close that gap. When you stack our reliable sunshine against the national field, St Pete homeowners are getting a return that competes with nearly any city in the country.
