Bitcoin’s network hit an unusual speed bump over the weekend, not because of code, markets or a Fed policy change, but because the physical world intervened.
A sprawling winter storm strained regional power grids and knocked out electricity for hundreds of thousands of households.
The disruption briefly spilled into crypto infrastructure, as some US-based Bitcoin miners cut power use and the network’s block production slowed, without sparking market panic.
Related: U.S. Government Targets Russia’s Crypto Mining Industry for Sanctions Amid Ukraine War
US winter storm Fern hits power grids
Winter Storm Fern swept across a wide stretch of the U.S., bringing snow, ice and severe Arctic cold that knocked out power and disrupted travel.
Utilities reported widespread outages across the Southeast and Lower Midwest, with more than 1 million customers losing electricity at points during the storm.
Energy officials also moved to protect the grid as heating demand climbed. The U.S. Department of Energy issued emergency orders that allowed grid operators and Texas’ ERCOT to lean on additional backup resources during the cold snap.
The storm’s broader impact was visible in airports, too, with mass flight cancellations as ice and snow spread across major hubs.
Bitcoin mining hashrate falls as power usage is curtailed
As electricity systems tightened, Bitcoin miners in the U.S. reduced consumption – often through demand-response programs that pay large users to curb load during peak stress.
That pullback showed up quickly in mining pool data. Foundry USA, the largest Bitcoin mining pool by hashrate, was cited as dropping roughly 60% from recent levels during the storm period, with other U.S.-exposed pools also sliding.
Hashrate Index data shows Foundry still leading by a wide margin at roughly 233.6 EH/s at the time of reporting, followed by AntPool at 143.2EH/s and F2Pool at 91.4 EH/s.
With fewer machines competing to add the next block, block production slowed.
Hashrate Index showed average block time running above the 10-minute norm, around 12 minutes in the same window, before the next difficulty adjustment can fully rebalance the system.
Related: What is Bitcoin mining? Explained
What slower Bitcoin blocks signal about market stability
Even with mining power dropping in a concentrated region, Bitcoin kept running and transactions continued to clear, albeit with some delays as blocks arrived more slowly.
Markets, meanwhile, stayed relatively calm. Bitcoin was trading around $87,500, up 1.20% in the last 24 hours, at the time of writing, showing no storm-driven break in price discovery, which tells me that traders treated this like infrastructure noise and not a major systemic risk.