
Shares in on-site power provider ERock soared nearly 23% on Wednesday after the company said that Anthropic had placed a big order. ERock, which sells natural-gas power systems to data centers and others that need on-site power or backup generation, said Anthropic was ordering 470 megawatts of equipment. ERock also said it had started construction on a 366-megawatt generation facility for El Paso Electric, which will support a Meta Platforms data-center campus.


