Astronergy — China

CHSM 390-A Black

The Astronergy CHSM 390-A Black is a 390W PERC solar panel with 19.3% efficiency. Backed by a 12-year warranty.

Standard TierFEOC: Restricted

390W

Wattage

19.3%

Efficiency

PERC

Cell Type

12 years

Warranty

Full Specifications

Brand
Astronergy
Model
CHSM 390-A Black
Series
CHSM
Wattage
390W
Module Efficiency
19.3%
Cell Type
PERC
Dimensions
65-67" x 39-40"
Weight
44 lbs
Warranty
12 years
Est. Price Per Watt
$1.89
Est. 7kW System Cost
$13,230
Est. 10kW System Cost
$18,900
Temperature Coefficient
-0.35%/°C
Bifacial
No
Origin
China
FEOC Status
fail

Other Astronergy Panels

ModelWattageEfficiencyCell$/W
CHSM 465W D465W21.6%N-Type TOPCon$2.58
Dynamo 465W D465W21.6%N-Type TOPCon$2.58
CHSM 460W C All-Black460W21.5%PERC$2.55
Dynamo 460W C All-Black460W21.5%PERC$2.55
CHSM 450W E Pro450W21.2%PERC$2.46

Similar Wattage Panels (Competitors)

Frequently Asked Questions

How much does a 390W Astronergy CHSM 390-A Black cost?
The Astronergy CHSM 390-A Black costs approximately $737 per panel ($$1.89/W). A typical 7kW system using this panel would cost around $13,230 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 Astronergy CHSM 390-A Black a good solar panel?
The Astronergy CHSM 390-A Black has 19.3% efficiency and a 12 years warranty, placing it in the standard tier. This is a solid mid-range panel suitable for most residential installations.
How many Astronergy CHSM 390-A Black panels do I need?
For a typical 7kW residential system, you'd need approximately 18 panels. For a 10kW system, plan for about 26 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.