120 Watt Rigid Marine Solar Panel - Sunpower A+ Grade 24.4% Efficient Cells
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Federal Solar Tax Credits Extended
Federal Solar Tax Credits Extended
Good News for Solar Enthusiasts: Now Extended Through 2034!
The Inflation Reduction Act of 2022 has extended the Federal Solar Tax Credit (ITC), giving homeowners and boat owners even more incentive to go solar. This tax credit applies to your primary or secondary residence—including certain boats with living accommodations (head, galley, and bunk) registered in the U.S.
What You Need to Know
Tax Credit Rate:
- 2022–2032: 30% of total system costs
- 2033: 26% of total system costs
- 2034: 22% of total system costs
- After Jan. 1, 2035: 0%
Eligibility:
You can claim this credit if you’ve made energy-saving improvements to your home (or qualifying boat) in the U.S. during the tax year. Qualified residences include:
- Houses
- Mobile homes
- Condominiums
- Cooperative apartments
- Houseboats (with proper accommodations)
What’s Covered:
The credit applies to the cost of:
- Solar panels
- Batteries
- Inverters
- Charge controllers
- Wiring and labor costs
Retroactive Eligibility:
Systems placed in service after January 1, 2006, can qualify if the credit hasn’t already been claimed.
Unused Credits:
If your tax liability is lower than the credit, you can roll over unused amounts to future tax years.
How to Claim the Credit
- Complete IRS Form 5695:
Download the form here. Make sure to use the latest version updated in January/February of the applicable tax year.
Instructions for Form 5695. - File with IRS Form 1040:
The total from Form 5695 is entered as a line item on Form 1040. Attach both forms when filing your return.
Download IRS Form 1040.
Additional State Incentives
Many states offer additional tax incentives or rebates for solar energy systems. Check out the Database of State Incentives for Renewables & Efficiency (DSIRE) for a detailed breakdown of state-specific programs.
State Highlights
- Arizona: 25% tax credit, up to $1,000.
- Hawaii: 35% tax credit, up to $5,000.
- New York: 25% tax credit, up to $5,000.
- Oregon: Up to $6,000 in credits over four years.
- South Carolina: 25% tax credit for installation costs.
Note: State programs are subject to change. Always verify details with your state’s tax department.
Don’t Wait—Take Advantage of Solar Savings!
With the credit extended through 2034 and now covering batteries, it’s the perfect time to upgrade or install a solar system. Be sure to consult your tax advisor to maximize your savings and ensure compliance with the latest regulations.
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120 Watt Rigid Marine Solar Panel - Sunpower A+ Grade 24.4% Efficient Cells

Ideal for Top-of-Pole, Arch & Davit Mounts
Get reliable off-grid power on the water with our 120 Watt Rigid Marine Solar Panel, designed using premium SunPower A+ Grade monocrystalline solar cells for an outstanding 24.4% efficiency rate — among the highest available today.
This marine-grade solar panel will perform extremely well in both full and partial sun, making it perfect for boats, yachts, and sailboats operating under varied weather conditions. Built to withstand saltwater, UV exposure, and vibration, it’s crafted with corrosion-resistant aluminum framing and tempered glass for long-term durability in harsh marine environments.
Ideal for 12V systems, this 120W rigid panel is perfectly suited for top-of-pole, arch, or dinghy davit mounting, providing a steady charge to batteries for navigation systems, lighting, and onboard electronics.
✅ Ships Next Day UPS Ground from Denver or Michigan.
Key Features
⚡ High Efficiency Output – SunPower A+ Grade monocrystalline cells deliver superior power density and performance.
⚡ Marine-Grade Durability – Rigid aluminum frame and tempered glass construction resist saltwater corrosion and impact.
⚡ Versatile Mounting Options – Designed for top-of-pole, arch, or dinghy davit mounting on boats and yachts.
⚡ Perfect for 12V Battery Systems – Efficient charging for off-grid marine and RV applications.
Specifications
| 120 Watt Rigid Marine Solar Panel | |
|---|---|
| 🔧 Model | CMP22110S-120 |
| ⚡ Rated Power |
120 Watts |
| 🔋 Peak Power Voltage (Vmpp) | 19.6 Volts |
| 🔋 Peak Power Amps (Impp) | 6.1 Amps |
| ⚡ Open Circuit Voltage (Voc) | 23.1 Volts |
| ⚡ Short Circuit Current (Isc) | 6.5 Amps |
| 🌞 Cell Conversion Efficiency | 24.4% |
| 📏 Dimensions | 21.3" x 41.7", 540mm x 1060mm |
| ⚖️ Weight |
14.3 lbs, 6.5 kgs |
| 🔲 Background Color | White |
| 🧩 Cell Layout | 4 x 8 |
| 🛡️ Warranty | 5 years |
Solar System Design and Installation
We have put together a collection of helpful information for our customers on everything to help you design you perfect system and installation instructions.
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Shipping
Products ship day after payment domestically. Free shipping on orders over $250 applies to Lower 48 US states only. International takes longer. We do not add tariff charges. Call for pricing.
Custom Designs & Custom Made Panels Available on Request
Our engineers will work with you to design a solar system specific to your needs including Lithium Batteries if you like. (Batteries are 10% off w/ solar system purchase).
If you'd like a custom solar panel, we can do it at $10/watt, more info here: Custom Solar Panels
Call Us: 248-712-1526
Federal Solar Tax Credit
💡 Did you know? You may qualify for a 30% Federal Solar Tax Credit on your marine solar system.
👉 Learn More