In a letter obtained by WIRED, the Energy Information Administration tells two senators that it plans to develop a mandatory assessment of data centers’ energy use.

Overhead aerial view of a large data centerPhotograph: Richard Newstead/Getty Images
The US federal government’s central energy information agency is planning to implement a mandatory nationwide survey of data centers focused on their energy use, according to a letter seen by WIRED. This survey would be the first effort of its type to collect basic information about data centers.