SunPower — US

E-Series-35 BF

The SunPower E-Series-35 BF is a 355W IBC solar panel with 20.0% efficiency. Made in US. Backed by a 25-year warranty.

Premium Tier 🇺🇸 Domestic Content Bonus Eligible Bifacial

355W

Wattage

20%

Efficiency

IBC

Cell Type

25 years

Warranty

Full Specifications

Brand
SunPower
Model
E-Series-35 BF
Series
E-Series
Wattage
355W
Module Efficiency
20%
Cell Type
IBC
Dimensions
65-67" x 39-40"
Weight
40 lbs
Warranty
25 years
Est. Price Per Watt
$3.29
Est. 7kW System Cost
$23,030
Est. 10kW System Cost
$32,900
Temperature Coefficient
-0.25%/°C
Bifacial
Yes
Origin
US
FEOC Status
pass

Other SunPower Panels

Model Wattage Efficiency Cell $/W
Maxeon 455W E Pro 455W 23.4% IBC $4.71
Performance 455W E Pro 455W 23.4% IBC $4.71
X-Series 455W E Pro 455W 23.4% IBC $4.71
E-Series 455W E Pro 455W 23.4% IBC $4.71
P-Series 455W E Pro 455W 23.4% IBC $4.71

Similar Wattage Panels (Competitors)

Panel Wattage Efficiency $/W
Maxeon Maxeon 3 385W Pro 385W 20.8% $3.29
Maxeon Maxeon 3-38 All-Black 385W 20.8% $3.29
Maxeon Maxeon 3 385W C HD 385W 20.8% $3.29
Maxeon Maxeon 6 385W Pro 385W 20.8% $3.29

Frequently Asked Questions

How much does a 355W SunPower E-Series-35 BF cost?
The SunPower E-Series-35 BF costs approximately $1168 per panel ($$3.29/W). A typical 7kW system using this panel would cost around $23,030 before incentives. After the 30% federal tax credit, your net cost drops to $16,121.
Is the SunPower E-Series-35 BF a good solar panel?
The SunPower E-Series-35 BF has 20% efficiency and a 25 years warranty, placing it in the premium 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 SunPower E-Series-35 BF panels do I need?
For a typical 7kW residential system, you'd need approximately 20 panels. For a 10kW system, plan for about 29 panels. The exact number depends on your roof space, energy usage, and local sun hours.