PARSONS, Kan.–(BUSINESS WIRE)–Deep Fission, Inc. (Nasdaq: FISN) today announced a Master Energy Purchase Agreement with the Great Plains Development Authority (GPDA), a quasi-municipal entity that owns the Great Plains Industrial Park in Parsons, Kansas. It converts the parties’ December 2025 letter of intent into a definitive contract for a commercial project at the site of Deep Fission’s Department of Energy (DOE) pilot. The agreement binds Deep Fission to pursue the project and to supply p