Which miners have access to the cheapest electricity?

Access to low-priced power is essential for miners to stay long-term competitive. Which public miners pay the least for their electricity?
Source: Public filings (Stronghold, Greenidge, Riot, Marathon, Argo, Hut 8, Core Scientific, Bit Digital, Hive, Bitfarms)

The only long-term advantage in mining is having lower costs than competitors. On average, power represents half of miners' cost structure, so it's critical for them to access cheap electricity.

With a price of $18 per MWh, Stronghold is the publicly listed miner with the lowest power cost. Vertically integrated, Stronghold generates its own power and further lowers its power cost by receiving carbon credits for cleaning up coal residue.

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