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Multiple overlapping tariff layers are pushing panel costs up $0.10-0.25 per watt in Maine. FEOC rules determine which panels qualify for Propel and lease/PPA financing. Here is what homeowners need to know to navigate tariffs and protect their investment.
The US solar industry faces the most complex tariff environment in its history. Four separate trade actions — each with its own legal basis, rate structure, and exemption rules — are stacking on top of each other. The combined effective tariff rate on imported solar modules from Southeast Asia, which supplies most of the US residential market, now ranges from 35% to 55%.
For Maine homeowners, tariff costs add $0.10-0.25/W to system pricing. However, Maine's high electric rates — CMP at $0.27/kWh and Versant at $0.32/kWh — mean solar still delivers strong payback. The key decisions center on timing, panel selection, and financing method, especially with the July 4, 2026 FEOC deadline approaching for Propel and lease/PPA deals.
Imposed in 2018 on imported crystalline silicon PV cells and modules. Extended through February 2026 with escalating rates. Applies to virtually all imported modules regardless of country of origin, with the first 5 GW of cells annually exempt.
Anti-dumping and countervailing duties target Chinese-manufactured cells, including those routed through Southeast Asian countries (Cambodia, Malaysia, Thailand, Vietnam). The Commerce Department confirmed circumvention findings in 2024. The two-year moratorium expired June 2024 and these duties now fully apply.
Broad tariffs on Chinese goods including solar panels, inverters, racking, and balance-of-system equipment. Combined with AD/CVD, Chinese module imports face 50%+ effective rates, making them uneconomical for the US market.
Additional tariffs targeting solar imports from Cambodia, Vietnam, Malaysia, and Thailand — countries that supply the majority of US residential panels. These are layered on top of existing Section 201 and AD/CVD duties, phasing in through mid-2026.
Chinese-manufactured panels face 50%+ effective rates, making direct import uneconomical. Panels from Cambodia, Vietnam, Malaysia, and Thailand — which historically supplied 80%+ of the US residential market — now carry 35-50% combined tariffs. Only panels manufactured in non-tariff-affected countries (South Korea, North America, Singapore) avoid most of these layers.
Maine solar costs currently average about $3.05 per watt, though pricing varies between CMP territory (southern and central Maine) and Versant territory (northern and eastern Maine). Tariffs have added $0.10-0.25/W to these prices compared to 2024 levels. For a typical 11 kW system, that is $1,100 to $2,750 more than you would have paid 18 months ago from tariff escalation alone.
The tariff increase compounds a bigger loss: the federal residential tax credit (Section 25D) expired December 31, 2025. In 2024, a homeowner offset 30% of system cost with the ITC. Now that benefit is gone. However, Maine's strong net metering (1:1 NEB), property tax exemption, and the availability of NuWatt Propel financing help close the gap significantly.
| Cost Component | Pre-Tariff (2024) | Current (Q1 2026) | Change |
|---|---|---|---|
| Module Cost (per watt) | $0.30-0.35 | $0.40-0.50 | +$0.10-0.15 |
| Inverter + BOS | $0.55-0.65 | $0.60-0.70 | +$0.05 |
| Labor + Overhead | $0.85-1.05 | $0.90-1.10 | +$0.05 |
| Installer Margin + Soft Costs | $0.80-0.95 | $0.85-1.00 | +$0.05 |
| Total System Cost ($/W) | $2.50-3.00 | $2.75-3.30 | +$0.10-0.25 |
| System Size | Pre-Tariff (2024) | Current (Q1 2026) | Tariff Impact |
|---|---|---|---|
| 8 kW System | $22,000 | $24,400 | +$2,400 |
| 10 kW System | $27,500 | $30,500 | +$3,000 |
| 11 kW System (ME avg) | $30,250 | $33,550 | +$3,300 |
| 14 kW System | $38,500 | $42,700 | +$4,200 |
Beyond the tariffs you see in trade headlines, there is a separate policy that quietly reshapes which solar panels work for which financing paths. FEOC (Foreign Entity of Concern) rules determine whether a third-party system owner — the company behind your lease, PPA, or NuWatt Propel agreement — can claim the 30% Section 48E commercial investment tax credit.
If a panel is manufactured by or contains critical components from an entity controlled by China, Russia, Iran, or North Korea, it is FEOC-non-compliant. The financing company cannot claim the 48E ITC on that system. Without the 30% credit, the company must recover their full investment from your monthly payments — meaning significantly higher lease/PPA/Propel rates.
For cash and loan buyers, FEOC is not directly relevant. You can choose any panel tier, including the most affordable options from non-FEOC-compliant manufacturers. But for lease, PPA, or NuWatt Propel customers, FEOC compliance is a hard requirement. This is why Propel exclusively uses Silfab 440W panels.
Eligible for Section 48E ITC in lease/PPA/Propel deals. Lower tariff exposure.
Fine for cash/loan purchases. Cannot qualify for 48E ITC in lease/PPA/Propel.
The Section 48E commercial ITC requires projects to begin construction before July 4, 2026. After that date, third-party system owners (lease/PPA companies and Propel) lose access to the 30% tax credit — regardless of panel FEOC status. This means lease/PPA/Propel pricing will increase significantly after this deadline. If you are considering third-party financing, the window is closing.
Not all panels are affected equally by tariffs. Country of origin, manufacturing supply chain, and FEOC compliance all determine your real cost and financing options. Here is how NuWatt's three panel tiers compare for Maine installations.
Cash or loan buyers seeking lowest upfront cost
Lease/PPA, Propel financing, or anyone wanting FEOC assurance
Premium installations, max efficiency, roof-space constrained
For cash/loan buyers, Hyundai 440W saves ~$770 on an 11 kW system compared to Silfab. For lease/PPA/Propel buyers, Silfab is the most cost-effective FEOC option — the 48E ITC more than offsets the base price difference. REC 460W (+$0.19/W) is worth considering only when roof space is limited and you need maximum watts per square foot.
Tariffs and FEOC rules affect each financing path differently. Your choice of financing determines which panels you can use, how much of the tariff burden you absorb directly, and whether the Section 48E ITC is accessible. NuWatt Propel is available in Maine.
You cannot control tariff policy, but you can control your timing, panel selection, and incentive strategy. These five actions reduce the tariff hit on your solar investment.
If you are considering a lease, PPA, or Propel financing, begin construction before July 4, 2026. After that date, the third-party system owner loses access to the 30% Section 48E ITC, which means higher monthly payments for you.
Cash and loan buyers can save with Hyundai 440W panels (-$0.07/W). Lease/PPA and Propel customers must use FEOC-compliant panels (Silfab or REC) but benefit from the 48E ITC pass-through. Match your panel tier to your financing method.
Maine offers 1:1 net energy billing at full retail rates. With CMP at $0.27/kWh and Versant at $0.32/kWh, each kilowatt-hour your system produces offsets some of the highest electric prices in New England. An 11 kW system producing ~12,500 kWh/year saves $3,375-4,000/year in avoided electricity costs.
Maine exempts solar equipment from property tax (100% statewide, 36 M.R.S. §655). The property tax exemption avoids $400-700/year in increased assessments. Sales tax exemption status is unverified — verify with your installer whether 5.5% applies. The verified property tax savings directly offset tariff-inflated panel costs.
NuWatt pre-purchased Hyundai 440W and Silfab 440W panels before the latest tariff increases. While warehouse stock lasts, your system price reflects pre-tariff module costs. Once depleted, replacements carry the full tariff burden.
Maine has strong solar incentives anchored by 1:1 net metering and comprehensive tax exemptions. While no single program eliminates the tariff impact, the combined value stack significantly shortens the payback period and improves long-term ROI.
Full retail credit for excess solar production through net energy billing. CMP customers credit at $0.27/kWh, Versant at $0.32/kWh. No cap on system size for residential.
Heat pump rebates from Efficiency Maine stack with solar savings. Standard: $1,000/unit, moderate income: $2,000/unit, low income: $3,000/unit, max 3 units.
Solar panels do not increase your assessed property value. Unlike many states where this is town-by-town, Maine provides statewide exemption. Saves $400-700/year in avoided tax increases.
Sales tax exemption for solar equipment is not confirmed from official Maine statute. The 5.5% sales tax may apply. Verify with your installer.
NuWatt Propel is available in Maine. Third-party ownership with Silfab 440W FEOC-compliant panels, $0 down, and fixed monthly payments. 48E ITC claimed by system owner.
Maine community solar programs let renters and those with unsuitable roofs benefit from solar. Bill credits offset 10-15% of electricity costs without rooftop installation.
The tariff increase of $1,100-2,750 is absorbed within 1-2 years of net metering savings alone. Over 25 years, an 11 kW system in Maine generates $100,000-130,000+ in total value (avoided electricity + tax exemptions + property value), making the tariff impact a small fraction of long-term returns.
Understanding the timeline helps you decide when to act. The window for pre-tariff inventory and the Section 48E deadline are the two most time-sensitive factors for Maine solar buyers.
Two-year pause on Southeast Asian anti-dumping duties ended. Full duties now apply to panels from Cambodia, Vietnam, Malaysia, Thailand.
Federal residential solar tax credit dropped to $0. Maine homeowners no longer receive any federal tax benefit for cash/loan solar purchases.
Safeguard tariff extended. Additional executive action tariffs on Southeast Asian panels beginning to take effect.
Pre-tariff inventory still available from some installers. Best window for locking pricing before further tariff escalation. NuWatt Propel available in Maine.
Last day to begin construction and qualify for 30% commercial ITC on lease/PPA and Propel deals. After this date, third-party financing costs increase significantly.
New executive action tariffs fully phased in. Pre-tariff inventory expected to be depleted. Projected ME pricing: $3.25-3.50/W.
Tariffs are adding approximately $0.10-0.25 per watt to solar panel costs in Maine. For a typical 11 kW system, that translates to $1,100-2,750 in additional cost. The impact comes from multiple overlapping tariff layers: Section 201 safeguard tariffs (14.75%), AD/CVD anti-dumping duties (15-250% on specific manufacturers), Section 301 China tariffs (25%), and new Southeast Asian duties (14-25%). The total effective rate on imported modules ranges from approximately 35-55% depending on country of origin.
FEOC stands for Foreign Entity of Concern. Under current rules, solar panels manufactured by or containing critical components from entities controlled by China, Russia, Iran, or North Korea are considered FEOC-non-compliant. This matters because third-party system owners (lease/PPA companies and Propel) can only claim the 30% Section 48E commercial ITC if the panels are FEOC-compliant. For Maine homeowners choosing a lease, PPA, or NuWatt Propel financing, using FEOC-compliant panels like Silfab (made in North America) or REC means lower monthly payments because the financing company can claim the tax credit. The FEOC requirement applies to projects beginning construction before July 4, 2026.
The data favors acting sooner. There is no indication tariffs will decrease under the current administration, and multiple tariff layers are still phasing in through mid-2026. Waiting means: (1) higher module prices as pre-tariff inventory depletes, (2) missing the July 4, 2026 Section 48E deadline for lease/PPA/Propel deals, and (3) continued electricity bills at $0.27-0.32/kWh. The federal residential ITC (Section 25D) expired December 31, 2025 with no scheduled return, so there is no upcoming incentive to wait for.
Yes. NuWatt Propel is available in Maine. Propel uses Silfab 440W FEOC-compliant panels exclusively, which allows the third-party system owner to claim the 30% Section 48E ITC for projects beginning construction before July 4, 2026. That tax credit benefit passes through as lower monthly payments for you. Propel offers $0 down, fixed monthly payments, and NuWatt-managed installation and service. It is particularly attractive for Maine homeowners who want solar without the upfront cost of a cash purchase.
Maine offers 1:1 net energy billing (NEB) at full retail rates. With CMP charging $0.27/kWh and Versant at $0.32/kWh, each kilowatt-hour your solar system produces and exports earns a credit equal to the full retail electricity rate. An 11 kW system producing approximately 12,500 kWh per year offsets $3,375-4,000 in annual electricity costs depending on your utility. At that savings rate, even a $2,750 tariff increase adds less than one year to the payback period. High Maine electric rates are the biggest factor making solar viable despite tariffs.
FEOC-compliant panels manufactured in North America, like Silfab panels made in Ontario, Canada and Bellingham, WA, face significantly lower tariff exposure. They are not subject to AD/CVD duties, Section 301 China tariffs, or the new Southeast Asian duties. They may still face some Section 201 tariff on imported cells, but the overall tariff burden is much lower than Southeast Asian alternatives. This is why FEOC-compliant panels, while slightly higher in base price, offer better long-term value and are required for lease/PPA/Propel financing that accesses the 48E ITC.
Cash buyers have the most flexibility since FEOC compliance is not required for a direct purchase. The Hyundai 440W is the most affordable option at -$0.07/W below the base price, offering solid performance with a 25-year warranty. For homeowners who want higher efficiency or future-proofing, the Silfab 440W (base price, 30-year warranty, FEOC-compliant) or REC 460W (+$0.19/W, highest efficiency at 22.3%) are worth considering. The Hyundai saves roughly $770 on an 11 kW system compared to Silfab.
Yes. With a lease or PPA, the financing company owns the system and absorbs the equipment cost, including tariff impact. Your payment is fixed upfront and does not change based on module pricing. Additionally, the financing company can claim the 30% Section 48E commercial ITC for projects beginning construction before July 4, 2026, which lowers the cost they need to recover from your payments. However, the panels must be FEOC-compliant (Silfab or REC), which are slightly more expensive at the base level. After July 4, 2026, lease/PPA pricing will likely increase because the 48E ITC becomes unavailable.
After July 4, 2026, the Section 48E commercial ITC is no longer available for new solar projects. This directly impacts lease, PPA, and Propel pricing because the third-party system owner can no longer claim the 30% tax credit. Without that credit, the financing company must recover their full investment from your monthly payments, which means higher rates. For cash and loan buyers, the FEOC deadline is less relevant since the residential ITC (Section 25D) already expired December 31, 2025. However, tariffs are expected to continue increasing, so waiting past this date still means higher module costs.
Maine has two investor-owned utilities with notably different rates: CMP at $0.27/kWh (serving ~70% of the state) and Versant at $0.32/kWh (serving northern and eastern Maine, ~30%). Versant customers see faster payback because their solar offsets more expensive electricity. An 11 kW system producing 12,500 kWh/year saves $3,375/year with CMP or $4,000/year with Versant. For Versant customers, even a $3,300 tariff increase adds less than one year to payback. CMP customers recover the tariff hit within about 1-2 years of additional payback time.
All costs, incentives, and utility data for Maine.
Read guideCurrent pricing by utility territory and system size.
Read guideHow lease/PPA works with FEOC and tariffs.
Read guideHow your utility affects solar payback and savings.
Read guideHow third-party ownership unlocks the commercial ITC.
Read guideFEOC-compliant solar with $0 down. Available in Maine.
Read guidePre-tariff inventory is limited. The FEOC deadline for lease/PPA/Propel deals is July 4, 2026. Every month without solar is $225-330+ paid to CMP or Versant. Start your custom design now and lock your price.
Free custom design. No commitment. Price locked at signing.