It's not 7.3% return rate. There's some depreciation you need to add there. | Hacker News

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		marcosdumay 55 days ago \| parent \| context \| favorite \| on: Australia has so much solar that it's offering eve... It's not 7.3% return rate. There's some depreciation you need to add there.

WheatMillington 55 days ago [–]

If you're going to depreciate the battery then your return will be substantially greater than 7.3%. You can't use BOTH the capex AND the depreciation as your denominator, choose one.

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