Opportunity cost meaning investing with standard rule of thumb returns? I think usually it's just total cost at installation divided by the product of power generation and energy cost. So that's $ / (W x $/Wh), which should reduce down to just hours that can be trivially converted to years

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ejoso an hour ago | parent [-]

Cost of alternative investments not pursued as a result of deployed capital.

	▲	hello8402 an hour ago \| parent [-]
		> Cost of alternative investments not pursued as a result of deployed capital. Once you’re achieving 30-50% annual returns over 20-30 year horizons (PE, HFT, invite-only HF) , you stop caring about cost of capital for anything less than US$1 million. But 10% VTI / VOO, sure, factor that 10% into your excel.