IRENA-Behind-The-Meter-Batteries By Prasanna Singh/ Updated On Mon, Mar 9th, 2020 Battery storage systems are being deployed at multiple levels of the electricity value chain, including at the transmission, distribution and consumer levels. BTM batteries are connected behind the utility meter of commercial, industrial or residential customers, primarily aiming at electricity bill savings. This report from IRENA is a great primer to understand the transition to renewable+storage, and the critical relevance of storage in general to support the transition to clean energy.