Panasonic — Japan

EverVolt 415W C

The Panasonic EverVolt 415W C is a 415W HJT solar panel with 22.0% efficiency. Made in Japan. Backed by a 30-year warranty.

Premium Tier

415W

Wattage

22%

Efficiency

HJT

Cell Type

30 years

Warranty

Full Specifications

Brand
Panasonic
Model
EverVolt 415W C
Series
EverVolt
Wattage
415W
Module Efficiency
22%
Cell Type
HJT
Dimensions
66-80" x 39-41"
Weight
47 lbs
Warranty
30 years
Est. Price Per Watt
$3.94
Est. 7kW System Cost
$27,580
Est. 10kW System Cost
$39,400
Temperature Coefficient
-0.25%/°C
Bifacial
No
Origin
Japan
FEOC Status
likely_pass

Other Panasonic Panels

ModelWattageEfficiencyCell$/W
EverVolt 425W E Pro425W22.5%HJT$4.18
EverVolt VK 425W E Pro425W22.5%HJT$4.18
HIT 425W E Pro425W22.5%HJT$4.18
HIT Plus 425W E Pro425W22.5%HJT$4.18
EverVolt 420W A Ultra420W22.3%HJT$4.08

Similar Wattage Panels (Competitors)

PanelWattageEfficiency$/W
SunPower Maxeon 445W D Plus445W23.1%$4.58
SunPower Performance 445W D Plus445W23.1%$4.58
SunPower X-Series 445W D Plus445W23.1%$4.58
SunPower E-Series 445W D Plus445W23.1%$4.58

Frequently Asked Questions

How much does a 415W Panasonic EverVolt 415W C cost?
The Panasonic EverVolt 415W C costs approximately $1635 per panel ($$3.94/W). A typical 7kW system using this panel would cost around $27,580 before incentives.

⚠ The 30% Federal Solar Tax Credit (48E/ITC) expired July 4, 2026.

Selecting 30% ITC assumes you began construction before this deadline. Most new purchases no longer qualify.Learn about your options after the deadline →

Is the Panasonic EverVolt 415W C a good solar panel?
The Panasonic EverVolt 415W C has 22% efficiency and a 30 years warranty, placing it in the premium tier. This is above-average efficiency, making it a strong choice.
How many Panasonic EverVolt 415W C panels do I need?
For a typical 7kW residential system, you'd need approximately 17 panels. For a 10kW system, plan for about 25 panels. The exact number depends on your roof space, energy usage, and local sun hours.

Written & reviewed by

Jeremy Wolfe — Senior Solar Energy Analyst

Jeremy Wolfe is a solar energy analyst specializing in residential photovoltaic economics, federal and state incentive policy, and return-on-investment modeling for homeowners. He leads EnergyTools' solar research program and methodology.

  • 10+ years analyzing residential solar economics and payback modeling
  • Lead researcher for EnergyTools' 50-state solar cost-per-watt database
  • Author of 100+ solar ROI, payback, and incentive analyses

Methodology & data sources:NREL PVWatts, EPA FuelEconomy.gov, state utility commissions— updated 2026.