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.
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.
| System | Size | kWh/yr | Net cost | Saves/yr | Payback |
|---|---|---|---|---|---|
| 8 panels | 3.2 kW | 4,284 | $6,384 | $655 | 9.7 yrs |
| 12 panels | 4.8 kW | 6,426 | $9,576 | $983 | 9.7 yrs |
| 16 panels | 6.4 kW | 8,568 | $12,768 | $1,311 | 9.7 yrs |
| 20 panels | 8 kW | 10,710 | $15,960 | $1,639 | 9.7 yrs |
| 26 panels | 10.4 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.
| # | Step | Result |
|---|---|---|
| 1 | What one panel makes here 400W ÷ 1000 × 1,575 sun hrs × 0.85 system losses |
536 kWh/yr |
| 2 | Panels needed to cover typical usage 10,800 kWh ÷ 536 kWh per panel |
21 panels |
| 3 | System size 21 panels × 400W |
8.40 kW |
| 4 | Annual production 8.40 kW × 1,575 hrs × 0.85 |
11,246 kWh/yr |
| 5 | Installed cost 8,400 W × $2.85 per watt, then −30% federal credit |
$16,758 |
| 6 | Annual saving 3,780 kWh used as generated × 15.3¢ + 7,466 kWh exported × 15.3¢ |
$1,669/yr |
| 7 | Payback $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 sunlight | 1,575 hrs/yr |
|---|---|
| Unshaded roof | 1,737 hrs/yr |
| Electricity rate (Florida avg) | 15.3¢/kWh |
| Installed cost assumed | $2.85/W |
| Panel size assumed | 400 W |
| Federal tax credit | 30% |
| Typical household usage | 10,800 kWh/yr |
| Power used as generated | 34% |
| Paid for exported power | full retail (net metering) |
| Rooftops sampled here | 11 |
| Google imagery from | 2023 |
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.
| Month | Sun hrs | Share 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
| Measure | Tallahassee | Rank of 788 |
|---|---|---|
| Usable sunlight | 1,575 hrs | 307th |
| Sunlight lost to shade | 9% | 96th most |
| Median roof size | 269 m² | 174th largest |
| Electricity rate | 15.3¢ | 354th highest |
| Payback | 10 yrs | 343rd fastest |
| Grid carbon | 541 kg/MWh | 450th 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.
| City | Sun hrs | Rate | Payback |
|---|---|---|---|
| Owensboro, KY | 1,575 | 12.2¢ | 12.6 yrs |
| Saint Joseph, MO | 1,575 | 12.2¢ | 12.6 yrs |
| Athens, GA | 1,573 | 14.1¢ | 10.9 yrs |
| Topeka, KS | 1,573 | 14.1¢ | 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.