Solar Panel Calculator for Jackson, MS
Estimate the cost, savings and payback of solar panels in Jackson, MS, using local NREL sunshine data, Mississippi prices and electricity rates.
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Jackson gets about 5.25 peak sun hours a day on a south-facing roof, so each kW of panels makes about 1,412 kWh a year. That ranks #47 of the 111 cities on this site. Output peaks in Jun and is lowest in Dec.
Sunshine in Jackson by month
What an 8 kW system makes in Jackson
| Month | Sun hours a day | Output | Bill savings |
|---|---|---|---|
| Jan | 3.74 | 736 kWh | $111 |
| Feb | 4.12 | 720 kWh | $108 |
| Mar | 5.27 | 1,000 kWh | $151 |
| Apr | 5.83 | 1,032 kWh | $155 |
| May | 6.28 | 1,128 kWh | $170 |
| Jun | 6.57 | 1,104 kWh | $166 |
| Jul | 6.30 | 1,088 kWh | $164 |
| Aug | 6.03 | 1,056 kWh | $159 |
| Sep | 5.67 | 976 kWh | $147 |
| Oct | 5.59 | 1,016 kWh | $153 |
| Nov | 4.34 | 808 kWh | $122 |
| Dec | 3.30 | 640 kWh | $96 |
| Year | 5.25 | 11,296 kWh | $1,701 |
Savings at 15.06¢ per kWh (Mississippi average), with every kWh credited at that price.
Cost and payback by system size
At $2.29 per watt, the Mississippi average, before incentives.
| System | Cost | Year 1 savings | Payback | 25-yr gain |
|---|---|---|---|---|
| 4 kW | $9,160 | $851 | 11.0 yrs | $10,876 |
| 6 kW | $13,740 | $1,276 | 11.0 yrs | $16,315 |
| 8 kW | $18,320 | $1,701 | 11.0 yrs | $21,753 |
| 10 kW | $22,900 | $2,126 | 11.0 yrs | $27,191 |
| 12 kW | $27,480 | $2,552 | 11.0 yrs | $32,629 |
How many panels you need in Jackson
| Monthly use | System | 400 W panels |
|---|---|---|
| 500 kWh | 4.25 kW | 11 |
| 750 kWh | 6.37 kW | 16 |
| 1,000 kWh | 8.50 kW | 22 |
| 1,500 kWh | 12.75 kW | 32 |
| 2,000 kWh | 17.00 kW | 43 |
Covering 100% of a year's use at 1,412 kWh per kW.
Common questions
Is solar worth it in Jackson?
At local averages an 8 kW system costs about $18,320 before incentives, saves about $1,701 in its first year and pays back in about 11.0 years.
How many peak sun hours does Jackson get?
About 5.25 a day over the year on a south-facing roof at 20°, from 3.3 in Dec to 6.6 in Jun, according to NREL's PVWatts model.
How much does a 1 kW solar system produce in Jackson?
About 1,412 kWh a year, or 118 kWh a month on average.
Is there a federal solar tax credit?
Not for homeowners who buy their system. The 30% Residential Clean Energy Credit ended for systems installed after December 31, 2025.
Sources
- NREL PVWatts V8 API (south-facing, 20° tilt, 14% losses, typical-year weather): https://developer.nlr.gov/docs/solar/pvwatts/v8/
- EnergySage, Solar panel cost by state (updated November 6, 2026): https://www.energysage.com/local-data/solar-panel-cost/
- U.S. EIA, Electric Power Monthly, Table 5.6.B (residential price, Jan–Aug 2026): https://www.eia.gov/electricity/monthly/epm_table_grapher.php?t=epmt_5_6_b