Mission Solar — US

MSE 420W A Ultra

The Mission Solar MSE 420W A Ultra is a 420W PERC solar panel with 20.5% efficiency. Made in US. Backed by a 25-year warranty.

Standard Tier 🇺🇸 Domestic Content Bonus Eligible

420W

Wattage

20.5%

Efficiency

PERC

Cell Type

25 years

Warranty

Full Specifications

Brand
Mission Solar
Model
MSE 420W A Ultra
Series
MSE
Wattage
420W
Module Efficiency
20.5%
Cell Type
PERC
Dimensions
66-80" x 39-41"
Weight
48 lbs
Warranty
25 years
Est. Price Per Watt
$2.80
Est. 7kW System Cost
$19,600
Est. 10kW System Cost
$28,000
Temperature Coefficient
-0.35%/°C
Bifacial
No
Origin
US
FEOC Status
pass

Other Mission Solar Panels

Model Wattage Efficiency Cell $/W
MSE 440W D 440W 21.1% PERC $3.00
MSE Plus 440W D 440W 21.1% PERC $3.00
MSE Pro 440W D 440W 21.1% PERC $3.00
MSE 435W C All-Black 435W 20.9% N-Type TOPCon $2.93
MSE Plus 435W C All-Black 435W 20.9% N-Type TOPCon $2.93

Similar Wattage Panels (Competitors)

Panel Wattage Efficiency $/W
Maxeon Maxeon 3 450W D Plus 450W 23.3% $4.61
Maxeon Maxeon 6 450W D Plus 450W 23.3% $4.61
Maxeon Maxeon 7 450W D Plus 450W 23.3% $4.61
Maxeon Maxeon Air 450W D Plus 450W 23.3% $4.61

Frequently Asked Questions

How much does a 420W Mission Solar MSE 420W A Ultra cost?
The Mission Solar MSE 420W A Ultra costs approximately $1176 per panel ($$2.80/W). A typical 7kW system using this panel would cost around $19,600 before incentives. After the 30% federal tax credit, your net cost drops to $13,720.
Is the Mission Solar MSE 420W A Ultra a good solar panel?
The Mission Solar MSE 420W A Ultra has 20.5% efficiency and a 25 years warranty, placing it in the standard tier. This is a solid mid-range panel suitable for most residential installations. It also qualifies for the domestic content bonus under the Inflation Reduction Act.
How many Mission Solar MSE 420W A Ultra panels do I need?
For a typical 7kW residential system, you'd need approximately 17 panels. For a 10kW system, plan for about 24 panels. The exact number depends on your roof space, energy usage, and local sun hours.