Suniva β€” US

OPTimus 340W

The Suniva OPTimus 340W is a 340W PERC solar panel with 17.2% efficiency. Made in US. Backed by a 25-year warranty.

Standard TierπŸ‡ΊπŸ‡Έ Domestic Content Bonus EligibleBifacial

340W

Wattage

17.2%

Efficiency

PERC

Cell Type

25 years

Warranty

Full Specifications

Brand
Suniva
Model
OPTimus 340W
Series
OPTimus
Wattage
340W
Module Efficiency
17.2%
Cell Type
PERC
Dimensions
65-67" x 39-40"
Weight
39 lbs
Warranty
25 years
Est. Price Per Watt
$2.03
Est. 7kW System Cost
$14,210
Est. 10kW System Cost
$20,300
Temperature Coefficient
-0.35%/Β°C
Bifacial
Yes
Origin
US
FEOC Status
pass

Other Suniva Panels

ModelWattageEfficiencyCell$/W
OPTimus 420W D420W20.2%PERC$3.03
OPTimus 415W C All-Black415W20.1%PERC$3.00
OPTimus 410W E Pro410W19.9%PERC$2.93
OPTimus 410W B BF410W19.9%PERC$2.93
OPTimus 405W A Ultra405W19.7%PERC$2.87

Similar Wattage Panels (Competitors)

PanelWattageEfficiency$/W
SunPower Maxeon-37 All-Black370W20.5%$3.50
SunPower Maxeon 370W C HD370W20.5%$3.50
SunPower Performance-37 All-Black370W20.5%$3.50
SunPower Performance 370W C HD370W20.5%$3.50

Frequently Asked Questions

How much does a 340W Suniva OPTimus 340W cost?
The Suniva OPTimus 340W costs approximately $690 per panel ($$2.03/W). A typical 7kW system using this panel would cost around $14,210 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 Suniva OPTimus 340W a good solar panel?
The Suniva OPTimus 340W has 17.2% 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 Suniva OPTimus 340W panels do I need?
For a typical 7kW residential system, you'd need approximately 21 panels. For a 10kW system, plan for about 30 panels. The exact number depends on your roof space, energy usage, and local sun hours.

Written & reviewed by

Jeremy Wolfe β€” 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 commissionsβ€” updated 2026.