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Bitcoin miners face U.S. grid test as power demand rises, flexibility proof key by 2027

As U.S. electricity demand climbs through 2027, bitcoin mining firms are being tested on whether they can act as flexible loads that reduce consumption when supply is tight, rather than simply large users of power. The U.S. Energy Information Administration forecasts consumption rising from 4.195 trillion kWh in 2025 to 4.399 trillion kWh in 2027, driven by AI data centres, crypto operations and electrification. Texas grid operator ERCOT runs voluntary curtailment deals, but flexibility can weaken when mining profitability rises.