The PJM Interconnection, one of the largest power grid operators in the U.S., has issued a firm warning: no additional data centers will be connected to the grid unless developers can demonstrate reliability safeguards. The announcement follows unprecedented demand growth driven by artificial intelligence and cloud computing facilities.
PJM officials say the region’s grid stability is already under pressure. The surge in data-center construction has led to soaring electricity demand, outpacing power generation and transmission upgrades. Several counties have temporarily halted new data-center approvals.
To qualify for future grid connections, data-center developers must present detailed reliability assessments and commit to backup solutions. This may include energy-storage systems, on-site generation, or flexible usage models. Regulators say they are prioritizing grid resilience over rapid expansion.
The restrictions could reshape the data-center landscape across states within the PJM territory. Companies may need to shift new facilities to regions with stronger grid capacity or adopt more energy-efficient technologies.
Analysts warn that delays could affect the U.S. cloud-computing sector, but stress that reliability concerns must be addressed to prevent blackouts. PJM’s decision follows similar warnings issued by grid operators in Europe and Asia.