Solar panels in Jackson, TN
Roofs in Jackson get about 1,414 hours of usable sunlight a year — less than 66% 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 Jackson → City averages are a starting point; your own roof's size, pitch and shading change the answer a lot.
What a typical Jackson solar system costs
A 23-panel system (9.2 kW) is about right for an average Jackson home using 10,800 kWh a year. It would produce roughly 11,057 kWh annually and offset 100% of that usage.
| System | Size | kWh/yr | Net cost | Saves/yr | Payback |
|---|---|---|---|---|---|
| 8 panels | 3.2 kW | 3,846 | $6,384 | $465 | 13.7 yrs |
| 12 panels | 4.8 kW | 5,769 | $9,576 | $698 | 13.7 yrs |
| 16 panels | 6.4 kW | 7,692 | $12,768 | $931 | 13.7 yrs |
| 20 panels | 8 kW | 9,615 | $15,960 | $1,163 | 13.7 yrs |
| 26 panels | 10.4 kW | 12,500 | $20,748 | $1,358 | 15.3 yrs |
How we worked this out for Jackson
Every number on this page comes from these seven steps. Nothing is a national average — the sunlight figure is measured from Jackson rooftops.
| # | Step | Result |
|---|---|---|
| 1 | What one panel makes here 400W ÷ 1000 × 1,414 sun hrs × 0.85 system losses |
481 kWh/yr |
| 2 | Panels needed to cover typical usage 10,800 kWh ÷ 481 kWh per panel |
23 panels |
| 3 | System size 23 panels × 400W |
9.20 kW |
| 4 | Annual production 9.20 kW × 1,414 hrs × 0.85 |
11,057 kWh/yr |
| 5 | Installed cost 9,200 W × $2.85 per watt, then −30% federal credit |
$18,354 |
| 6 | Annual saving 3,780 kWh used as generated × 12.1¢ + 7,277 kWh exported × 12.1¢ |
$1,315/yr |
| 7 | Payback $18,354 ÷ $1,315 per year |
14 years |
Step 6 matters more than it looks. Only 34% of what a system this size produces in Jackson is used the moment it is generated; the other 7,277 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 — 13.7 years against the 14 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, 12.1¢/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 Jackson gets 1,414 sun hours
That figure comes from Google's analysis of real rooftops across Jackson — 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 Jackson reaches about 1,617 hours, roughly 14% better than typical.
The numbers behind this page
| Typical usable sunlight | 1,414 hrs/yr |
|---|---|
| Unshaded roof | 1,617 hrs/yr |
| Electricity rate (Tennessee avg) | 12.1¢/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 | 12 |
| Google imagery from | 2022 |
When Jackson actually produces
Annual totals hide the thing that catches people out: 34% of Jackson's yearly sunlight arrives in May–July, and just 15% across November–January.
| Month | Sun hrs | Share of year |
|---|---|---|
| Jan | 71 | |
| Feb | 91 | |
| Mar | 116 | |
| Apr | 141 | |
| May | 158 | |
| Jun | 165 | |
| Jul | 161 | |
| Aug | 147 | |
| Sep | 125 | |
| Oct | 98 | |
| Nov | 75 | |
| Dec | 65 |
Jackson produces about 2.5× as much in Jun as in Dec — a normal mid-latitude swing. Expect real winter shortfall and summer surplus rather than steady year-round output.
The annual total is measured from Google's rooftop imagery. Its split across months is calculated from solar geometry at Jackson's latitude, not separately measured, so treat the monthly figures as the shape of a typical year rather than a forecast.
How Jackson compares to the other 788 cities
| Measure | Jackson | Rank of 788 |
|---|---|---|
| Usable sunlight | 1,414 hrs | 521st |
| Sunlight lost to shade | 13% | 25th most |
| Median roof size | 132 m² | 608th largest |
| Electricity rate | 12.1¢ | 712th highest |
| Payback | 14 yrs | 692nd fastest |
| Grid carbon | 802 kg/MWh | 148th dirtiest |
What actually stands out about Jackson:
- Shading is a real problem here. Jackson loses 13% of its potential sunlight to trees, chimneys and neighbouring buildings — the 25th-worst of the 788 cities measured. Panel placement matters more here than in most places, and a roof survey is worth more than a phone quote.
- Dimmer than the rest of Tennessee. Jackson roofs get 8% less usable sunlight than the typical Tennessee city we've measured — statewide averages will overstate what you can expect here.
- Cheap electricity is the headwind. Tennessee power costs about 12.1¢/kWh. Low rates are good news generally, but they lengthen solar payback — there is simply less bill to displace.
Cities with almost the same sunlight
These are the closest matches to Jackson's 1,414 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 |
|---|---|---|---|
| Columbus, OH | 1,414 | 15.2¢ | 11.1 yrs |
| Schenectady, NY | 1,414 | 24.3¢ | 7 yrs |
| Louisville, KY | 1,413 | 12.2¢ | 13.8 yrs |
| St. Paul, MN | 1,415 | 14.8¢ | 11.4 yrs |
Nearby cities
See all of Tennessee → statewide sunlight, rates, incentives and every city we've measured.
Jackson solar questions
How many solar panels do I need in Jackson?
About 23 panels for an average home using 10,800 kWh a year. Jackson roofs get 1,414 usable sun hours, so each 400W panel produces roughly 481 kWh annually. A typical Jackson roof fits about 49 panels, so roof space is unlikely to be your limit.
Is solar worth it in Jackson?
At 12.1¢/kWh and 1,414 sun hours, a typical system pays for itself in about 14 years and returns roughly $14,511 over a 25-year panel life. That is slower than average, so compare several quotes before committing. Exported power earns full retail credit here.
How much do solar panels cost in Jackson?
A 9.2 kW system costs about $26,220 before incentives and $18,354 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 Tennessee 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.