Source: Xai (Colossus site) After years of breakneck expansion, some of the nation’s largest data-center markets — including Virginia and parts of PJM — are showing signs of cooling demand. Not because tech is slowing, but because power, water, and retail rate pressure are forcing a rethink. In northern Virginia, long the epicenter of hyperscale development, utilities and regulators are signaling that future growth cannot rely on unlimited access to cheap electricity and wate