The Bitcoin network is facing a massive "stress test" as the United States battles a historic winter storm. Between January 23 and January 25, 2026, a sweeping ice and snow disaster forced a voluntary and involuntary shutdown of massive mining farms across the Southeast, Northeast, and Midwest.

The Hashrate Collapse:

• Total Network Drop: The global Bitcoin hashrate plunged by 37% to 40% in just three days, falling from approximately 1.07 zettahashes per second (ZH/s) to roughly 663–808 exahashes per second (EH/s).
• Pool Impact: Foundry USA, the world’s largest mining pool with a heavy U.S. presence, saw its specific hashrate drop by a staggering 60%, shedding nearly 200 EH/s.
• Block Delays: Due to the sudden loss of computing power, Bitcoin block generation times extended to over 12 minutes (vs. the 10-minute target).

Electricity Price Shock & Profitability Plunge: The storm has triggered extreme volatility in the U.S. power markets.

• Price Spikes: In regions like Virginia ("Data Center Alley"), wholesale electricity prices rocketed from $200/MWh to over $1,800/MWh early Sunday.
• Mining vs. Grid Arbitrage: In Texas, miners found it more profitable to sell their pre-purchased electricity back to the grid at 20 cents per kWh rather than mining BTC, which was generating only 8 cents per kWh.
• 14-Month Low: According to CryptoQuant, the miner profit-loss sustainability index has fallen to 21—the lowest point since November 2024.

The Impact on Major Miners (Daily Production):

• Marathon Digital: Production plummeted from 45 BTC to just 7 BTC per day during the peak of the storm.
• IREN: Daily output fell from 18 BTC to 6 BTC.
• Riot Platforms: Forced to halt operations at its major Rockdale facility in Texas to stabilize the local grid.

For Traders: For the TradersWeek audience: this is a short-term supply shock. While hashrate has already begun to recover as weather systems move on, the 14-month low in profitability suggests that miner capitulation could be a real risk if BTC prices don't recover quickly. However, the next difficulty adjustment is now forecast to decrease by ~5%, which will provide a much-needed "breather" for the miners who stayed online.

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