Span

Span designs and manufactures smart electrical panels for residential homes, enabling homeowners to manage electricity consumption, prioritize electric vehicle charging, and integrate with solar systems and batteries. Founded in 2017 by Gabe Arnold, the San Francisco-based company addresses the growing need for intelligent home energy management as electrification accelerates. Span's flagship product, the Span Panel, sits at the electrical panel level and coordinates power distribution across the home, allowing customers to optimize energy use in real time. The company is positioned at the intersection of residential electrification, renewable energy adoption, and grid modernization, serving a market that is expanding as more homes go electric.