ReneSola — China

Virtus-34 BF

The ReneSola Virtus-34 BF is a 345W PERC solar panel with 17.0% efficiency. Backed by a 12-year warranty.

Budget TierFEOC: RestrictedBifacial

345W

Wattage

17%

Efficiency

PERC

Cell Type

12 years

Warranty

Full Specifications

Brand
ReneSola
Model
Virtus-34 BF
Series
Virtus
Wattage
345W
Module Efficiency
17%
Cell Type
PERC
Dimensions
65-67" x 39-40"
Weight
39 lbs
Warranty
12 years
Est. Price Per Watt
$1.35
Est. 7kW System Cost
$9,450
Est. 10kW System Cost
$13,500
Temperature Coefficient
-0.35%/°C
Bifacial
Yes
Origin
China
FEOC Status
fail

Other ReneSola Panels

ModelWattageEfficiencyCell$/W
Virtus 435W D Plus435W20%PERC$2.25
Virtus 430W C430W19.8%PERC$2.19
Virtus 425W A Ultra425W19.7%PERC$2.16
Virtus 420W E Max420W19.5%PERC$2.10
Virtus 420W B All-Black420W19.5%PERC$2.10

Similar Wattage Panels (Competitors)

PanelWattageEfficiency$/W
SunPower Maxeon 375-D Max375W20.7%$3.58
SunPower Maxeon 375-E Ultra375W20.7%$3.58
SunPower Performance 375-D Max375W20.7%$3.58
SunPower Performance 375-E Ultra375W20.7%$3.58

Frequently Asked Questions

How much does a 345W ReneSola Virtus-34 BF cost?
The ReneSola Virtus-34 BF costs approximately $466 per panel ($$1.35/W). A typical 7kW system using this panel would cost around $9,450 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 ReneSola Virtus-34 BF a good solar panel?
The ReneSola Virtus-34 BF has 17% efficiency and a 12 years warranty, placing it in the budget tier. This is a solid mid-range panel suitable for most residential installations.
How many ReneSola Virtus-34 BF panels do I need?
For a typical 7kW residential system, you'd need approximately 21 panels. For a 10kW system, plan for about 29 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.