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Pesant · Fri Sep 05, 2025 12:22 pm

My local electricity cost is $0.13/kWh, which makes me nervous about diving into mining. I know hashrate is important, but if the watts per TH/s aren’t good, profitability disappears fast. For anyone running in similar conditions, which miner has actually delivered the best efficiency in 2025?

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Kaeryayn · Fri Sep 05, 2025 1:33 pm

My AxionMiner’s 12 kW draw killed margins quickly, even though the hashrate was high. Switching to Bitmain’s S21 XP+ Hyd (500 TH/s/5.5 kW) saved me, because it really does run around 11 W/TH as advertised. Over time that efficiency meant hundreds in savings every month. A breakdown I read even highlighted the S21 XP+ Hyd as the most efficient bitcoin miner https://www.digitaljournal.com/pr/n...1777142536.html this year.

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