Loading NuWatt Energy...
We use your location to provide localized solar offers and incentives.
We serve MA, NH, CT, RI, ME, VT, NJ, PA, and TX
Loading NuWatt Energy...
Lewiston solar costs $2.91-$3.12/W (~$27,135 for 9 kW), slightly lower than Portland. CMP territory at $0.27/kWh with 1:1 NEB credits generating ~$2,916/year. Good installer availability serving the twin cities of Lewiston and Auburn.
$3.02/W
Avg Cost
$27,135
9 kW System
$0.27
CMP Rate (/kWh)
$2,916
NEB/Year
~16 yr
Payback
Lewiston solar costs $2.91-$3.12 per watt, slightly lower than Portland due to competitive installer pricing in Maine's second-largest metro area. Here is the cost breakdown for a typical 9 kW system.
| Component | Cost Range |
|---|---|
| Solar panels (9 kW) | $9,600-$11,200 |
| Inverter(s) | $2,400-$3,700 |
| Mounting and racking | $1,900-$2,800 |
| Electrical work and wiring | $2,300-$3,300 |
| Permitting and interconnection | $500-$900 |
| Labor and installation | $4,700-$6,500 |
| Design, engineering, overhead | $2,800-$4,100 |
| Total (before incentives) | $26,190-$28,080 |
Section 25D expired December 31, 2025. Lewiston homeowners pay full system cost with $0 federal tax credit.
100% property tax exemption + 5.5% sales tax exemption. Saves approximately $1,490 on a $27,135 system.
Lewiston-Auburn is Maine's second-largest metro area. Multiple solar installers actively serve the market, driving competitive pricing and good availability.
Lewiston-Auburn has a mix of single-family homes and multi-family buildings. Many homes have pitched roofs with good southern exposure ideal for solar.
Slightly lower labor and overhead costs compared to Portland contribute to Lewiston's $2.91-$3.12/W price range (vs $2.95-$3.19/W in Portland).
Lewiston-Auburn has been investing in its clean energy infrastructure. Growing demand means more installer options and better service availability.
10,800
kWh/year production
$2,916
Annual NEB credits
~16 yrs
Cash payback
System cost: $27,135
Year 1 NEB value: $2,916
CMP rate increase: 4-5%/year
Payback (cash): ~16 years
25-year savings: $55,000-$80,000+
ROI after 25 years: 100-195%
If a 16-year payback feels too long, a PPA offers immediate savings with $0 upfront. The third-party owner claims the 30% Section 48 ITC and offers you electricity at 10-20% below CMP rates. Lower lifetime savings ($15K-$30K) but zero out-of-pocket cost.
All Lewiston-Auburn area communities are in CMP territory with the same rates and NEB credits.
CMP | $0.27/kWh
Twin city with Lewiston. Same utility, same rates, same solar economics.
CMP | $0.27/kWh
CMP territory. Adjacent to Lewiston, served by same installers.
CMP | $0.27/kWh
CMP territory. Rural area with good roof exposure.
CMP | $0.27/kWh
CMP territory. Rural homes with larger roof areas.
CMP | $0.27/kWh
CMP territory. Growing suburban community.
See what solar costs and saves for your Lewiston or Auburn home. Free assessment with CMP-specific NEB calculations.