Bitcoin mining calculator 2026: why a miner in Germany loses money on grid power

A bitcoin miner in Germany makes no profit in November 2026 as long as it runs on grid electricity. At the difficulty of November 3, 2026, Bitmain's air-cooled Antminer S21 XP mines bitcoin worth €7.91 a day and uses 87.5 kilowatt hours to do so. It only turns a profit up to an electricity price of 9.04 cents per kilowatt hour. Household electricity in Germany cost 36.18 cents in the first half of 2026, according to Eurostat, so the device loses €23.74 a day.