gross margin is calculated like this: (selling price-cost)/selling price
assuming a 24c per kilowatt hour selling price :
(24-5)/24 19/24 =0.79 =79% gross margin
I did not include transmission charges from your solar panels to the grid and back again. I had a recollection it's something like 2c per kilowatt hour each way. if we add transmission expense for the retailer to accept delivery of you electricity and the. to sell it back to you:
(24-(5+4))/24 (24-9)/24 15/24 = 0.625 =62%
both of these gross margins are fairly healthy to be sure. but they are a long way from your hyperbolic incorrectness.
my simplistic example also fails to recognize Orher Cost of Sales and SG&A expenses to run the business so their net markings are lower again, but still robust.
have a nice day
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