Mission Solar MSE415 Specifications & Review
Mission Solar MSE415 is a US-manufactured PERC panel delivering 415W, designed and assembled in San Antonio, Texas.
What Makes the Mission Solar MSE415 Different
The Mission Solar MSE415 is manufactured in San Antonio, Texas — one of only a handful of solar panels genuinely made in the USA. Mission Solar's domestic manufacturing makes their panels eligible for maximum Inflation Reduction Act incentives, including the domestic content bonus credit on top of the standard 30% ITC. At 415W and 21% efficiency with 108 PERC Mono cells, the MSE415 delivers solid performance from American-made cells and modules. The 1722×1134mm format at 21.5 kg fits standard residential racking systems. Mission Solar backs their panels with a 25-year product and 25-year performance warranty. For buyers who prioritize American manufacturing and want to maximize federal tax incentives, Mission Solar is one of the strongest options available.
Key Specifications
| Brand | Mission Solar |
| Model | Mission Solar MSE415 |
| Power Output | 415W |
| Efficiency | 21% |
| Power Density | 19.7 W/sq ft |
| Cell Type | PERC Mono |
| Cell Count | 108 cells |
| Dimensions | 1722 x 1134 x 30 mm |
| Weight | 21.5 kg |
| Open Circuit Voltage (Voc) | 40.5V |
| Max Power Voltage (Vmp) | 33.5V |
| Short Circuit Current (Isc) | 13.38A |
| Max Power Current (Imp) | 12.39A |
| Temp Coefficient (Pmax) | -0.34%/°C |
| Product Warranty | 25 years |
| Performance Warranty | 25 years |
| First Year Degradation | 1% |
| Annual Degradation | 0.4% |
| Country of Manufacture | United States |
| Certifications | IEC 61215, IEC 61730, UL 1703 |
| Snow Load | 5400 Pa (112.8 psf) — Heavy Snow Rated |
| Wind Load | 2400 Pa (50.1 psf) |
Pros & Cons
Pros
- ✓ Made in USA (San Antonio, TX)
- ✓ 25-year product warranty
- ✓ Supports US solar jobs
- ✓ Good PERC performance
Cons
- ✗ Lower efficiency vs imports
- ✗ Higher cost
- ✗ Limited model selection
Best For
Patriotic homeowners wanting Texas-made solar panels with a strong warranty.
Is the Mission Solar MSE415 Worth It?
The Mission Solar MSE415 delivers 415W of power at 21% module efficiency, which is near the current industry average of approximately 21%. While not the highest-efficiency option on the market, it may offer compelling value depending on price and your available roof space.
From a warranty perspective, the MSE415 comes with a industry-leading 25-year product warranty and a 25-year performance guarantee. The industry standard for product warranties ranges from 12 to 25 years, so this panel sits at the top of that range, giving you long-term peace of mind. At the end of 25 years, the panel is guaranteed to still produce approximately 89.4% of its rated output, with first-year degradation of 1% and just 0.4% per year after that.
Pricing varies by region and installer, but the MSE415's combination of 21% efficiency and 25-year warranty should be weighed against per-watt quotes from your installer. Request at least three quotes to ensure you are getting competitive pricing for this tier of panel.
For hot climates, the temperature coefficient of -0.34%/°C is good. This falls within the typical range, so you can expect reasonable performance in most climates, though premium panels with coefficients closer to -0.25%/°C will edge ahead in extreme heat. Overall, the Mission Solar MSE415 represents a strong value proposition for most residential installations.
Real-World Performance
In real-world conditions, the Mission Solar MSE415 delivers consistent energy production shaped by its -0.34%/°C temperature coefficient. On a hot summer day when panel surface temperatures reach 65°C (40°C above STC), the MSE415 loses approximately 13.6% of rated output — typical for PERC technology. Over a full year in a typical US location, expect annual specific yield of 1,400-1,700 kWh per kW installed, depending on location, tilt, and shading. The 1% first-year degradation settles into 0.4% annual degradation thereafter; after 25 years the MSE415 should still produce approximately 89.4% of its original rating. The 108 half-cut cells provide improved shade tolerance compared to full-cell designs — when one cell is shaded, only one sub-string is affected rather than an entire string, limiting production losses to approximately one-third of the panel rather than one-half.
Who Should Buy the Mission Solar MSE415?
System Design Tips
For string inverter systems, the Mission Solar MSE415's Voc of 40.5V allows up to 14 panels per string on a 600V inverter, or 11 panels per string on 480V systems. The Isc of 13.38A is within the input range of all major residential string inverters and microinverters. For microinverter pairing, the Enphase IQ8A (366VA) or IQ8H (384VA) handles the 415W output well with a DC/AC ratio of 1.1-1.1. SolarEdge P505 optimizers pair well for optimizer-based systems. Size your inverter at 75-90% of total DC wattage for optimal clipping management — for a 25-panel array (10.4 kW DC), a 9 W AC inverter is a good match. The panel handles 5400 Pa snow load and 2400 Pa wind load.
Price Estimate
The Mission Solar MSE415 is sold through residential solar distributors and installers. Mission Solar pricing varies by distributor and order volume. For a 25-panel system (10.4 kW DC), total installed cost including panels, inverter, racking, wiring, permitting, and labor typically runs $2.50-3.50/W, or approximately $31,125-$36,313 before the 30% federal ITC. After ITC: approximately $21,788-$25,419. Domestic content bonus credits under IRA may reduce costs further.
How the Mission Solar MSE415 Compares
| Model | Wattage | Efficiency | W/sq ft | Warranty | Snow Load | Cell Type |
|---|---|---|---|---|---|---|
| Mission Solar MSE415 (this panel) | 415W | 21% | 19.7 | 25 yrs | 5400 Pa | PERC Mono |
| JA Solar JAM54S31 415W | 415W | 21.5% | 19.7 | 12 yrs | 5400 Pa | PERC Mono |
| Aptos Solar DNA-108-MF10 415W | 415W | 21.25% | 19.7 | 30 yrs | 5400 Pa | PERC Mono |
| Aptos Solar DNA-108-BF10 415W | 415W | 21.25% | 19.7 | 30 yrs | 5400 Pa | PERC Mono Bifacial |
Compare This Panel
Installation & Compatibility
System Voltage & String Sizing
- Open Circuit Voltage (Voc)
- 40.5V
- Max Power Voltage (Vmp)
- 33.5V
- Short Circuit Current (Isc)
- 13.38A
- Max Power Current (Imp)
- 12.39A
- Max Panels per String (600V)
- 14 panels
Based on NEC 600V residential limit. Actual string sizing should account for cold-temperature Voc rise. Consult your installer or use a string sizing tool for your specific location.
Mounting Requirements
- Dimensions
- 1722 x 1134 x 30 mm
- Weight
- 21.5 kg (47.4 lbs)
- Area per Panel
- 21.0 sq ft
- Weight per sq ft
- 2.3 lbs/sq ft
Recommended Inverter Types
- - Microinverters: Ideal for shaded roofs or complex layouts. Match to panels rated 415W+.
- - String Inverters: Cost-effective for unshaded arrays. Ensure MPPT range covers 33.5V.
- - Hybrid Inverters: Best if adding battery storage. Check DC input specs match panel Voc of 40.5V.
Frequently Asked Questions
How efficient is the Mission Solar MSE415 compared to other panels?
The MSE415 achieves 21% module efficiency, which is competitive for PERC residential panels. PERC panels typically range from 20.0% to 21.8%, and the MSE415 performs competitively within that range. Higher efficiency means more watts per square foot of roof space.
What is the warranty on the Mission Solar MSE415?
Mission Solar provides a 25-year product warranty covering manufacturing defects and a 25-year performance warranty guaranteeing output levels. The performance warranty typically starts at 99% after year 1 and degrades by 0.4% per year, guaranteeing approximately 89.4% output at year 25. The extended product warranty coverage exceeds the industry standard of 10-12 years.
How many Mission Solar MSE415 panels do I need for my home?
For a typical US home using 10,000 kWh per year, you need approximately 25 panels (10.4 kW system) assuming 4-5 peak sun hours per day. This varies significantly by location — homes in Arizona may need 22-24 panels while homes in the Pacific Northwest may need 27-29 panels. Your installer will calculate the exact number based on your utility bills, roof orientation, shading, and local solar resource.
What is the efficiency of the Mission Solar MSE415?
The Mission Solar MSE415 achieves 21% module efficiency using PERC Mono cell technology. This is around the industry average for residential solar panels in 2026.
What warranty does the Mission Solar MSE415 include?
It comes with a 25-year product warranty and a 25-year performance warranty guaranteeing output at approximately 89.4% of rated power at the end of the warranty period.
How does the Mission Solar MSE415 perform in hot weather?
With a temperature coefficient of -0.34%/°C, the MSE415 experiences moderate power reduction in high temperatures. Every degree above 25°C reduces output by 0.34%.
What size system can I build with the Mission Solar MSE415?
At 415W per panel, you would need approximately 20 panels for an 8 kW system or 25 panels for a 10 kW system. Each panel measures 1722 x 1134 mm (21.0 sq ft).
What inverter is best with the Mission Solar MSE415?
The Mission Solar MSE415 works well with both string inverters and microinverters. For string inverters, choose one with a maximum input voltage above 40.5V and an MPPT voltage range that covers 33.5V. Microinverters rated for 415W+ panels are also an excellent choice, offering panel-level monitoring and shade tolerance. Popular options include Enphase IQ8 series microinverters and SolarEdge string inverters with power optimizers.
How long will the Mission Solar MSE415 last?
The Mission Solar MSE415 is built to last well beyond its 25-year performance warranty. With first-year degradation of 1% and annual degradation of 0.4% thereafter, the panel will still produce approximately 89.4% of its rated power after 25 years. Most modern solar panels continue generating useful power for 30-40 years, though output gradually decreases over time.
Is the Mission Solar MSE415 good for Arizona and other sunny states?
The Mission Solar MSE415 can work in hot states like Arizona, Nevada, and Texas, though its temperature coefficient of -0.34%/°C means it will lose some output on the hottest days. Consider panels with a lower (closer to 0) temperature coefficient if you live in an area with extreme heat. Higher sun exposure in these states means more total energy production throughout the year, often offsetting any heat-related losses.
Is the Mission Solar MSE415 worth the money?
The Mission Solar MSE415 delivers 21% efficiency, which is near the industry average of ~21%. Combined with a industry-leading 25-year product warranty and 25-year performance guarantee, it offers strong value for homeowners seeking reliable solar generation.
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Last updated: February 2026