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AI & Enterprise

PJM to limit power supply to data centres using 50 MW or more

PJM Interconnection, the largest U.S. power grid operator, will cut electricity supply to large data centres and other big power users when power is scarce. The step followed a capacity auction aimed at adding new generation that fell short of its target. The restrictions will apply from June 2027 to data centres using 50 megawatts or more. The programme will operate like a demand response scheme and pay compensation to affected customers.

AI & Enterprise

U.S. data centres to use 20 percent of power generation by 2035, BNEF sees fourfold rise

U.S. data centre electricity use is expected to quadruple by 2035 and account for 20 percent of total power generation, as surging AI computing demand accelerates expansion faster than grids can keep up. BloombergNEF sees U.S. data centre capacity reaching about 200 gigawatts within 10 years, with nearly half used for AI training and inference. Grid constraints are emerging as a key variable in AI infrastructure competition, with pressure rising in regions such as PJM and Texas.

Crypto

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.