The Power Patch is the world’s simplest electrical submeter. The Power Patch’s patent-pending technology allows anyone to safely, simply, and speedily install circuit-level electrical sub metering in their home or business. Persistent Efficiency’s proprietary Field Focus(TM) technology allows Power Patches to be taped to the external surface of circuit breakers. Using current transformers, yesterday’s technology, submetering took hours and the services of a professional electrician. Power Patches can be installed by anybody in under an hour. Once Power Patches are installed, users can interact with real-time or historical data through our dashboard or API. With Persistent Efficiency’s little sensor, anybody can collect big data to enable operational and energy efficiency.