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NuWatt designs, installs, and manages solar, battery, heat pump, and EV charger systems across 9 states. One company, one warranty, one point of contact.
Get a Free QuoteBrunswick solar costs $2.95-$3.15/W in 2026, averaging $27,450 for a 9 kW system. CMP provides 1:1 NEB credits at $0.27/kWh, generating ~$2,916/year. No federal 25D ITC. Property tax 100% exempt. Sales tax status under review. Payback: ~15-16 years (cash) or day-1 savings (PPA).
$3.05/W
Avg Cost
$27,450
9 kW System
$0.27
CMP Rate (/kWh)
$2,916
NEB/Year
~15 yr
Payback
Brunswick solar installation costs $2.95-$3.15 per watt in 2026. As a midcoast community between Portland and Bath, Brunswick benefits from strong installer competition and proximity to major solar companies operating in southern Maine.
| Component | Cost Range |
|---|---|
| Solar panels (9 kW) | $9,900-$11,200 |
| Inverter(s) | $2,500-$3,800 |
| Mounting and racking | $2,000-$3,000 |
| Electrical work and wiring | $2,300-$3,400 |
| Permitting and interconnection | $500-$1,000 |
| Labor and installation | $5,000-$6,800 |
| Design, engineering, overhead | $2,900-$4,200 |
| Total (before incentives) | $26,550-$28,350 |
The Section 25D residential solar tax credit expired December 31, 2025. Brunswick homeowners pay the full system cost with $0 federal tax credit in 2026.
100% property tax exemption statewide (solar adds no property tax). Sales tax exemption is unverified — verify with your installer.
Brunswick has a mix of older homes near the town center, newer construction at Brunswick Landing, and larger properties in surrounding areas. System sizes typically range from 5 kW for smaller homes to 12 kW for larger properties.
| System Size | Panels | Cost Range | Annual NEB | Payback |
|---|---|---|---|---|
| 5 kW | 11-12 | $14,750-$15,750 | $1,350 | ~15 yr |
| 8 kW | 18-19 | $23,600-$25,200 | $2,160 | ~15 yr |
| 9 kW | 20-21 | $26,550-$28,350 | $2,916 | ~15-16 yr |
| 12 kW | 27-28 | $35,400-$37,800 | $3,240 | ~15 yr |
* 9 kW highlighted as the Brunswick average. All costs before incentives. NEB based on CMP $0.27/kWh.
10,800
kWh/year (9 kW system)
$2,916
Annual NEB credits
~15 yrs
Payback (cash purchase)
System cost: $27,450
Year 1 NEB value: $2,916
Rate increase (est): 4-5%/year
Payback (cash): ~15-16 years
25-year savings: $50,000-$75,000+
ROI after 25 years: 90-175%
NuWatt's Propel financing offers $0 down with a fixed monthly payment lower than your CMP bill. Unlike a lease, you own the system after the 25-year loan. See if you qualify at /maine/propel-solar
Maine's Net Energy Billing program gives Brunswick homeowners 1:1 retail-rate credits for every kilowatt-hour of solar electricity exported to the CMP grid. This makes rooftop solar one of the best investments for Brunswick homeowners.
Learn more about Maine's net metering in our Maine NEB Guide.
The 15-16 year payback on a cash purchase can be daunting. Propel Solar solves this for Brunswick homeowners — $0 down, a fixed monthly payment lower than your CMP bill, and ownership via 25-year Concert Loan.
A third-party owner installs solar on your roof and captures the 40% Section 48E ITC (FEOC) ITC — a credit no longer available to homeowner purchases.
Your monthly solar payment is fixed and lower than your average CMP bill. No escalators. Predictable costs while CMP rates keep rising.
Full ownership — 25-year loan, $0 down, 9.69% APR. American-made Silfab 440W panels. Free maintenance during the lease period.
Cash purchase: $27,450 upfront, 15-16 year payback, $0 federal credit.
Propel: $0 down, save from day 1, own the system (25-year loan), 40% built-in discount.
Brunswick, Topsham, Bath, Freeport, Harpswell, Durham, Lisbon — all CMP territory.
Brunswick is a vibrant midcoast town of approximately 21,000, home to Bowdoin College and the redeveloped Brunswick Landing (former Naval Air Station). Its mix of historic neighborhoods, college-town culture, and modern development creates diverse solar opportunities.
$27,450
$0 Down
$0 Down
Compare all options in our Maine Cash vs Loan vs Lease Guide.
All midcoast communities near Brunswick are in CMP territory with the same rates and NEB credits. Solar costs are similar across the region.
CMP | $0.27/kWh
Adjacent to Brunswick across the Androscoggin. Same CMP territory.
CMP | $0.27/kWh
Home of Bath Iron Works. CMP territory with strong solar potential.
CMP | $0.27/kWh
CMP territory. Mix of residential and commercial solar opportunities.
CMP | $0.27/kWh
Coastal peninsula community. CMP territory with good southern exposure.
CMP | $0.27/kWh
Rural CMP territory. Large lots with excellent roof and ground-mount options.
NREL's SolarTRACE dataset publishes median permitting and interconnection timelines jurisdiction by jurisdiction, but only for places that clear a minimum recorded volume in a year. Maine's file contains 18 rows. Brunswick is not one of them. We are not going to invent a Brunswick median to fill the gap.
The absence is also completely ordinary. Those 18 named jurisdictions account for 391 recorded installs, against 781 statewide in the same 2024cohort — which means about 50% of Maine's recorded residential solar happened somewhere the file does not name. In a state of 400-plus municipalities, being unnamed is the normal condition, not a red flag about the code office.
SolarTRACE splits a project into four phases: municipal plan review, the utility's pre-install interconnection review, inspection, and the final interconnection-to-permission-to-operate close-out. Two of those four belong to the utility — and on Central Maine Power they do not vary. All 17 CMP jurisdictions in the Maine file report the identical 12 d pre-install review and the identical 4 d close-out.
Brunswick is CMP territory. So the utility's contribution to a Brunswick project is already known to be about 16days, listed or not. Everything genuinely uncertain about a Brunswick timeline sits on the town's side of the process.
Brunswick sits on the CMP corridor between Greater Portland and the Kennebec Valley, and the documented jurisdictions on either side of it are the closest thing to a benchmark available. Their municipal-side numbers span a wide range, which is the honest answer to "how long will Brunswick take": nobody can tell you from this dataset, and anyone quoting a Brunswick median is quoting something else.
| Jurisdiction | Installs | Permit | Inspection |
|---|---|---|---|
| Portland (2024) | 35 | 6 d | 11 d |
| Westbrook (2024) | 26 | 3 d | 6 d |
| Gorham (2024) | 22 | 11 d | 5 d |
| Lewiston (2024) | 36 | 9 d | 12 d |
| Auburn (2024) | 23 | 15.5 d | 17 d |
| Augusta (2024) | 17 | 11 d | 1 d |
| Waterville (2024) | 15 | 8.5 d | 12 d |
| Brunswick | below threshold | not reported | not reported |
| Maine statewide (2024) | 781 | 10 d | 7 d |
Across the whole Maine file, plan review runs from 3 d in Westbrook to 35 d in Saco, and inspection from 1 d in Augusta to 17 d in Bangor. Same state, same code, same utility for nearly all of them. That spread is the reason a statewide average is close to useless for planning a specific job.
5 of the 18 named Maine jurisdictions report no permit median at all for their cohort year, and 1report no inspection median. Those blanks are blanks — they are not zero-day permits, and this page does not render them as though they were. Ask your installer for their own last three Brunswick permit dates; that is a smaller sample than NREL's but it is a real one.
Source: NREL SolarTRACE Dataset v9-9-2025 (data.nlr.gov), median timelines for 0-10kW residential PV. Town rows use the latest year each jurisdiction cleared the reporting threshold, so cohort years differ between rows.
Brunswick has a straightforward permitting process for residential solar. Your installer handles all paperwork as part of the installation.
Building permit
Required. Covers structural and roof modifications.
Electrical permit
Required. Covers inverter and panel wiring.
Processing time
2-3 weeks typical for residential systems.
CMP interconnection
Application filed by installer. Approval 2-4 weeks.
Historic district
Federal Street area and other historic zones may require additional design review. Check with your installer.
Brunswick Landing
Properties at Brunswick Landing follow standard Brunswick permitting. Modern construction typically simplifies the process.
Maine Solar Hub
Complete Maine solar guide
Maine Solar Costs
Statewide cost data
Solar Without ITC
Post-25D strategies
NEB Guide
Net Energy Billing explained
Cash vs Loan vs Lease
Financing compared
Portland Solar
$2.95-$3.19/W
Bangor Solar
Versant territory
Lewiston Solar
$2.91-$3.12/W
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See exactly what solar will cost and save for your Brunswick home. Free assessment with CMP-specific NEB calculations.