Power grid pressure rises as DOE orders AI data centers to use backup generators

Extreme heat is straining the US power grid, just as AI data centers expand quickly. PJM Interconnection asked the US Department of Energy (DOE) to intervene after record temperatures (Washington DC “feels like” 104°F; New York over 100°F). DOE Secretary Chris Wright issued an emergency directive for grid stress events: AI data centers must switch to backup generators to reduce strain on the public supply. The plan prioritizes residential cooling and requires data centers to be able to move to backup power within 15 minutes of an emergency alert. The core grid issue is energy intensity. Data center cooling can use about 40% of a site’s electricity, and that share rises during heat waves. The article also flags a demand shift in 2026, when US commercial electricity demand is projected to surpass residential demand for the first time—driven largely by large-scale AI workloads. Northern Virginia’s “Data Center Alley” falls within PJM’s territory, intensifying local pressure. Bitcoin mining is mentioned as a comparison case. In Texas during the 2022 heat waves, miners voluntarily cut consumption, showing demand-response flexibility. No direct link is made between the current heat wave and specific mining activity, but the contrast is notable: DOE’s mandate effectively forces AI data centers into a behavior miners already used voluntarily. For crypto traders, the key takeaway is policy and operational risk around electricity management. If regulators broaden emergency controls, mining operators with proven, fast power curtailment could gain relative resilience—while those without flexible infrastructure may face higher compliance risk. The market impact is likely to be gradual, driven by regulatory expectations rather than immediate hashrate changes.