The three letter acronym I heard the most during New York Climate Week wasn’t EPA, COP, NDC, or GHG. It was PJM. The country’s largest electricity market — the PJM Interconnection, which reaches into 13 states, including Pennsylvania, Ohio, Virginia, and Michigan — has become the poster child for data center growth, clogged interconnection queues, and political backlash to rising electricity prices. Nearly every conversation I have about PJM includes a preamble about how nerdy and imp...