Waaree Solar — India

WS 450W D

The Waaree Solar WS 450W D is a 450W PERC solar panel with 20.5% efficiency. Backed by a 17-year warranty.

Standard TierBifacial

450W

Wattage

20.5%

Efficiency

PERC

Cell Type

17 years

Warranty

Full Specifications

Brand
Waaree Solar
Model
WS 450W D
Series
WS
Wattage
450W
Module Efficiency
20.5%
Cell Type
PERC
Dimensions
78-82" x 39-41"
Weight
53 lbs
Warranty
17 years
Est. Price Per Watt
$2.40
Est. 7kW System Cost
$16,800
Est. 10kW System Cost
$24,000
Temperature Coefficient
-0.35%/°C
Bifacial
Yes
Origin
India
FEOC Status
check

Other Waaree Solar Panels

ModelWattageEfficiencyCell$/W
WS 445W C All-Black445W20.4%N-Type TOPCon$2.36
WS 440W E Pro440W20.2%N-Type TOPCon$2.28
WS 435W B BF435W20.1%PERC$2.24
WS 430W D Plus430W20%PERC$2.20
WS 430W A HC430W20%N-Type TOPCon$2.20

Similar Wattage Panels (Competitors)

PanelWattageEfficiency$/W
Maxeon Maxeon 3 455W E Pro455W23.5%$4.72
Maxeon Maxeon 6 455W E Pro455W23.5%$4.72
Maxeon Maxeon 7 455W E Pro455W23.5%$4.72
Maxeon Maxeon Air 455W E Pro455W23.5%$4.72

Frequently Asked Questions

How much does a 450W Waaree Solar WS 450W D cost?
The Waaree Solar WS 450W D costs approximately $1080 per panel ($$2.40/W). A typical 7kW system using this panel would cost around $16,800 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 Waaree Solar WS 450W D a good solar panel?
The Waaree Solar WS 450W D has 20.5% efficiency and a 17 years warranty, placing it in the standard tier. This is a solid mid-range panel suitable for most residential installations.
How many Waaree Solar WS 450W D panels do I need?
For a typical 7kW residential system, you'd need approximately 16 panels. For a 10kW system, plan for about 23 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.