Calculate Your Solar System Size for Personal Power

Time is running out — the 30% Federal Solar Tax Credit expires December 31, 2025. Switch to solar now and save thousands.

Design Your Solar System

For Off-grid

For Backup Power

Reduce Energy Costs

Step-02 power requirements

Begin adding loads to create a load profile. You can add and delete rows, and even create custom load entries to add appliances that are not on the list.

Load	QTY	Running Wattage	Surge Wattage	Hrs Per Day

Add Custom Entry

Add Appliance

Load:

Surge:

Daily Energy:

Total Energy:

Step-04 solar panel configuration

Select from the options below to configure solar panels for your system

Location Information

Enter the Minimum and Maximum Average Temperature for your installation location.

* Min

* Max

Temperature Unit

Fahrenheit Celsius

For Temperature History,

View This Resource

Total Modules

* Solar Panel Manufacturer:

Solar Panel Model:

Power:

VMP:

VOC:

VMP TMP Coeff:

VOC TMP Coeff:

ISC:

Modules Per String:

Number of Strings:

Array Size (W):

Maximum Voltage (VOC):

Minimum Voltage (VMP):

Solar Modules: Select Panel Manufacturer from Above

Step-05 results

Below are the results from your system design.

System Requirements

Application:

Power Type:

Install Location:

Days of Autonomy:

Power Requirements

Total Load:

Total Surge:

Total Energy:

Location Information

Average Minimum Temperature(°C):

Average Maximum Temperature(°C):

Selected System

Solar Modules

Panel:

Manufacturer:

Power:

Total Panels:

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Note: A grid-tie back-up system will almost always require connections to be made by a licensed professional as well as an inspection from the utility company. If you need help with finding a licensed professionals, please contact us!

Sent the results to EcoVault for support

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