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Solar Electric System Sizing
Step 5 - Size Your Array
1. Enter your daily amp-hour requirement (From the Load Sizing Worksheet, line 4) |
AH/Day____ |
2. Enter the sun-hours per day for your area. Refer to chart. |
H/Day_____ |
3. Divide line 1 by line 2. This is the total amperage required from your solar array. |
__________ |
4. Enter the peak amperage of the solar module you have selected.
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Peak A____ |
5. Divide line 3 by line 4. This is the number of solar modules needed in parallel. |
__________ |
6. Select the required modules in series from the following chart. |
__________ |
Battery Bank Voltage |
Number of Modules in Series |
12V |
1 |
24V |
2 |
48V |
4 |
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7. Multiply line 5 by line 6 to find the total number of modules needed in your array. |
Total_______ |
8. Enter the nominal power rating (in watts) of the module you have chosen. |
W_________ |
9. Multiply line 7 by line 8. This is the nominal power output of your system. |
W_________ |
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• Personal Assistance
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CASH REBATES!
Federal, State &
Local Utility Cash
Rebates for Solar
& Energy Efficient
Technologies.
» Cash Rebates
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| Grid-Tie Systems with Battery Backup |
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