This calculator will help you to size your on-grid system.  Enter the information as requested.

Step 1:

Kilowatt-hours (kWh) used per month:

Enter the monthly average from a 12 months electrical bill.

Portion of the total electricity desired to be solar:

Step 2:

Average sun hours a day for the location.

Select the city closest to the location

- Select a City - VancouverPrince GeorgeEdmontonWhitehorseVictoriaOkanagan

or manually enter the average sun-hours for your location based on the solar map.

Step 3:

Based on your information, the total wattage required from solar energy is:

(Loses due to system inefficiencies, usually 30%, is already included in this value)

Step 4:

Solar panel selection:

Please Select 40 50 60 65 70 75 80 85 100 110 120 130 155 160 165 170 175 180 185 190 195 200 205 210 215 230 235 watts per solar panel.

Conclusion:

You will need panels for a total of watts and sq.ft. area available.

You will need a On-Grid inverter this size:  watts 

Investment:

The numbers below are ballpark figures of your investment. Equipment and installation cost varies from region to region. Local regulation may also impact the overall cost. For the exact amount we must conduct complete assessment of you project.

Total investment including accessories and installation can be as high as: $CDN

Enter the total provincial incentives here:

Regional Utilities companies also may offer incentives. To find out call your local utility company.
Enter the total incentives here:

The remaining is the equity required: $ .

Special line of credit for green installations may be available. Ask your local bank on details.

Payback:

Enter the electricity unit cost as stated in your bill (dollar / kW/hr)

Your annual savings are: $

The number of years to payback your investment is: