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2. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of Inventories Current (Details) - USD ($) | Sep. 30, 2021 | Sep. 30, 2020
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Accounting Policies [Abstract] |  |
Batteries and solar panels | $ 1,819,398 |
Supplies and other | 853,346 | 247,500
Total inventory | $ 2,672,744 | $ 247,500

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