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Bitcoin Miners Ranked: 26 Rigs 2025

Bitcoin Mining Rigs Ranked by Efficiency at $0.04/kWh

  • At an operating expense of $0.04 per kilowatt-hour (kWh), the current SHA256 bitcoin miners are evaluated for profitability.
  • High-hashrate hydro units lead the profit ladder, showcasing superior efficiency.
  • Efficient air and immersion options also remain competitive in the market.

The evaluation highlights which modern mining rigs remain profitable under specific energy costs, with high-hashrate hydro units leading the way due to their efficiency.

The analysis underscores that at a low operational cost of $0.04 per kWh, certain bitcoin mining rigs continue to be profitable, particularly those utilizing high-hashrate hydro technology. (Source)

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