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Solar panels in Tallahassee, FL

Roofs in Tallahassee get about 1,575 hours of usable sunlight a year — more than 61% of the cities we've measured. Here's what that means in cost, savings and payback, using real rooftop data rather than a national average.

1,575Sun hours / yr
21Panels typical
$16,758Cost after credit
10 yrPayback
Solar is reasonable in Tallahassee, not spectacular. A 10-year payback still beats most savings accounts over the panel's 25-year life, but it is not the slam dunk you'll see advertised.

Check your specific roof in Tallahassee → City averages are a starting point; your own roof's size, pitch and shading change the answer a lot.

What a typical Tallahassee solar system costs

A 21-panel system (8.4 kW) is about right for an average Tallahassee home using 10,800 kWh a year. It would produce roughly 11,246 kWh annually and offset 100% of that usage.

Estimated economics by system size in Tallahassee, at 15.3¢/kWh after the 30% federal tax credit
SystemSizekWh/yr Net costSaves/yrPayback
8 panels3.2 kW 4,284$6,384 $655 9.7 yrs
12 panels4.8 kW 6,426$9,576 $983 9.7 yrs
16 panels6.4 kW 8,568$12,768 $1,311 9.7 yrs
20 panels8 kW 10,710$15,960 $1,639 9.7 yrs
26 panels10.4 kW 13,923$20,748 $1,772 11.7 yrs

How we worked this out for Tallahassee

Every number on this page comes from these seven steps. Nothing is a national average — the sunlight figure is measured from Tallahassee rooftops.

#StepResult
1What one panel makes here
400W ÷ 1000 × 1,575 sun hrs × 0.85 system losses
536 kWh/yr
2Panels needed to cover typical usage
10,800 kWh ÷ 536 kWh per panel
21 panels
3System size
21 panels × 400W
8.40 kW
4Annual production
8.40 kW × 1,575 hrs × 0.85
11,246 kWh/yr
5Installed cost
8,400 W × $2.85 per watt, then −30% federal credit
$16,758
6Annual saving
3,780 kWh used as generated × 15.3¢  +  7,466 kWh exported × 15.3¢
$1,669/yr
7Payback
$16,758 ÷ $1,669 per year
10 years

Step 6 matters more than it looks. Only 34% of what a system this size produces in Tallahassee is used the moment it is generated; the other 7,466 kWh is exported and credited one-for-one under net metering. Because exports here are credited at or near retail, that split changes the payback very little — 9.7 years against the 10 we show. In places where exports pay a fraction of retail the same split moves payback by years, which is why we model it explicitly rather than assuming.

Assumptions: 400W panels, 15% system losses (inverter, wiring, heat, soiling), $2.85/W installed, 10,800 kWh typical annual household use, 15.3¢/kWh electricity. Change any of those and every figure above moves — which is exactly why a single national "solar costs X" number is misleading.

Notice that payback barely improves as systems get bigger, and eventually gets worse. That's because you can only save money on electricity you were going to buy anyway. Once a system covers your usage, extra panels mostly generate exports at a much lower rate.

Why Tallahassee gets 1,575 sun hours

That figure comes from Google's analysis of real rooftops across Tallahassee — it already accounts for shading from trees, chimneys and neighbouring buildings, which is why it's lower than the raw "hours of daylight" figures you'll see elsewhere. An unusually open, unshaded roof in Tallahassee reaches about 1,737 hours, roughly 10% better than typical.

The numbers behind this page

Typical usable sunlight1,575 hrs/yr
Unshaded roof1,737 hrs/yr
Electricity rate (Florida avg)15.3¢/kWh
Installed cost assumed$2.85/W
Panel size assumed400 W
Federal tax credit30%
Typical household usage10,800 kWh/yr
Power used as generated34%
Paid for exported powerfull retail (net metering)
Rooftops sampled here11
Google imagery from2023

When Tallahassee actually produces

Annual totals hide the thing that catches people out: 32% of Tallahassee's yearly sunlight arrives in May–July, and just 17% across November–January.

Estimated usable sun hours by month in Tallahassee (latitude 30.4°)
MonthSun hrsShare of year
Jan 88
Feb 108
Mar 131
Apr 154
May 167
Jun 172
Jul 169
Aug 158
Sep 139
Oct 114
Nov 92
Dec 82

Output is unusually steady — only about 2.1× between Jun and Dec. Tallahassee is close enough to the equator that seasonal variation is mild, which makes sizing a system considerably more predictable.

The annual total is measured from Google's rooftop imagery. Its split across months is calculated from solar geometry at Tallahassee's latitude, not separately measured, so treat the monthly figures as the shape of a typical year rather than a forecast.

How Tallahassee compares to the other 788 cities

MeasureTallahassee Rank of 788
Usable sunlight1,575 hrs307th
Sunlight lost to shade9%96th most
Median roof size269 m²174th largest
Electricity rate15.3¢354th highest
Payback10 yrs343rd fastest
Grid carbon541 kg/MWh450th dirtiest

What actually stands out about Tallahassee:

  • Plenty of roof to work with. Typical roofs here fit around 95 panels — roughly 4× what an average home needs. Roof size will not be what limits your system in Tallahassee.
  • Dimmer than the rest of Florida. Tallahassee roofs get 11% less usable sunlight than the typical Florida city we've measured — statewide averages will overstate what you can expect here.

Cities with almost the same sunlight

These are the closest matches to Tallahassee's 1,575 usable sun hours from other states and provinces. Same sunlight, different electricity prices — which is usually what decides whether solar is worth it.

CitySun hrs RatePayback
Owensboro, KY 1,57512.2¢ 12.6 yrs
Saint Joseph, MO 1,57512.2¢ 12.6 yrs
Athens, GA 1,57314.1¢ 10.9 yrs
Topeka, KS 1,57314.1¢ 10.9 yrs

Nearby cities

See all of Florida → statewide sunlight, rates, incentives and every city we've measured.

Tallahassee solar questions

How many solar panels do I need in Tallahassee?

About 21 panels for an average home using 10,800 kWh a year. Tallahassee roofs get 1,575 usable sun hours, so each 400W panel produces roughly 536 kWh annually. A typical Tallahassee roof fits about 95 panels, so roof space is unlikely to be your limit.

Is solar worth it in Tallahassee?

At 15.3¢/kWh and 1,575 sun hours, a typical system pays for itself in about 10 years and returns roughly $24,978 over a 25-year panel life. That is a solid return, and it improves further if electricity prices rise. Exported power earns full retail credit here.

How much do solar panels cost in Tallahassee?

A 8.4 kW system costs about $23,940 before incentives and $16,758 after the 30% federal tax credit. That works out near $2.85 per watt installed. Roof pitch, shading, electrical panel upgrades and equipment choice move the price most, which is why quotes for the same house can differ by thousands.

Worth reading before you buy

Estimates only, generated 2026-08-22 from Google Solar API rooftop samples and average Florida electricity rates. Not a quote and not financial advice. Your roof, usage, utility plan and local incentives will change these numbers — get real quotes before buying.