State solar profile · #40 of 51
Solar in Mississippi: mid payback · strong sun
Mississippi sits in the middle of the payback pack at 15.7 yr (#34), so irradiance (5 kWh/m²/day) and the 1 tracked programs matter more than ranking alone.
- 5
- kWh/m²/day irradiance
- 12¢
- avg electricity rate
- 15.7 yr
- payback (#34)
- 1
- incentive programs
EIA Form 860 nameplate strip
Nameplate MS · Mississippi score #40/51
Mississippi | 23/100 | 15.7 yr payback | 1.2 GW
- NEM 23/100
- PHOTO #40/51
- BOOK 5 kWh
- VS-AVG 12c/kWh
- GW 15.7 yr
- IRR 1.2 GW
- STRIP 1 programs
- FORM860 near Nebraska
Stamps derive from this state's NREL irradiance, EIA Form 860 / Electric Power Monthly nameplate, and DSIRE incentive row (score, rank, sun, rate, payback, capacity, programs, peer), not a quote or site assessment. Modeled figures use a typical 6 kW system; your roof, shading, and utility tariff decide the real return. See our disclaimer. Verify with EIA Form 860 → · Read with methodology → · ROI calculator guide → · Personalized estimate → · All state rows → · States ranked → · Payback vs U.S. avg (14.2 yr): 1.5 yr slower
Modeled 6 kW payback · Mississippi and nearest peers
Shorter bars = faster simple payback on the NREL/EIA model
- DE
Delaware
15 years
- OK
Oklahoma
16 years
- MO
Missouri
16 years
- MS
Mississippi
16 years
- IN
Indiana
16 years
- MN
Minnesota
16 years
What this shows Mississippi sits at 15.7 years among nearest payback peers (1.5 yr slower vs the 14.2-yr U.S. average).
Mid-pack 25-year ROI · Mississippi
$16,500
system cost
$1,051/yr
modeled savings
15.7 yr
break-even
+$9,775
25-year net
Mid-band math for Mississippi: $16,500 system cost vs $1,051/yr savings. Incentive stacking usually decides the edge case. Run a personalized estimate →
Installed solar capacity in Mississippi, 2016–2024
Total solar nameplate capacity in Mississippi reported to the EIA, utility-scale and reported distributed systems. The number of reporting facilities grew 22x (1 to 22) between 2016 and 2024, and the average site size grew from 3 MW to 55 MW per site, a shift toward larger utility-scale installations.
The national sun-and-payback picture for Mississippi
Irradiance 5 kWh/m²/day (at/above the 4.8 national mean) vs 15.7-yr payback (mid band vs 14.2-yr mean). Crosshairs mark those means.
Mississippi vs the national payback spread
Mississippi's 15.7-yr modeled break-even sits near the 14.2-yr national average, banded here in 2-year steps.
Mississippi's spot in the national payback spread
2-year payback bands across the full 50-state-plus-DC model.
16 Around the middle faster than 33% of 51 states
all tracked states, bucketed by value
Each bar is a band; taller bars hold more states. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source PlainSolarData model, NREL irradiance + EIA rates · 2024
Solar & grid details
- Net-metering policy
- partial
- Renewable portfolio standard
- None
- Installed cost / watt
- $2.75/W
- Annual production (6 kW)
- 8,760 kWh
- Installed capacity (EIA 2024)
- 1.2 GW
Top incentive programs
1 tracked program for Mississippi residents
Partial program list. PlainSolarData's list for Mississippi is short or incomplete (1 tracked program). Other programs may exist; check DSIRE and your utility. The solar score's incentive component counts the programs tracked here, so this state's score may understate its incentives.
All Mississippi solar incentives (1)
Score and payback neighbors for Mississippi
Two non-geographic peer sets for Mississippi: composite score neighbors and payback-year neighbors (deduped so each row links a distinct comparison).
States near this composite solar score
Nearest nationwide matches on the NREL/EIA/DSIRE blend (23/100 here).
- Nebraska · score 23/100
- South Dakota · score 23/100
- Alabama · score 24/100
- Arkansas · score 24/100
Peers are nearest-neighbor matches on published composite scores and modeled 6 kW payback years; rankings above use the same fields but sort the full corpus.
Solar resource from NREL; electricity rates and installed capacity from the U.S. EIA; incentive programs from DSIRE. See our methodology.