In this piece, Barr. Jumoke Delano and Dr Stella Odiase reflect on Nigeria’s evolving subnational electricity market landscape. They liken the process of setting up a Sate Electricity Market (SEM) to construction with childhood building blocks—a process that is sometimes exciting, sometimes frustrating, but always requiring patience, creativity, and structure. This article unpacks the critical steps, emerging lessons, and key considerations for States navigating this transition. While setting up a market isn’t mandatory, ensuring better electricity access is—whether through SEMS or alternative pathways.