This document provides an overview of real time pricing (RTP) basics. It discusses RTP billing, which is based on evaluating energy requirements over time intervals using rate models. Formulas define the calculations used in RTP interfaces. RTP components structure parameter allocations between inputs, outputs, and results. The RTP interface enables using profiles from interval metering in billing by executing processing steps based on the profiles. Screenshots demonstrate various aspects of configuring RTP components, interfaces, rates, and analyzing billing documents.