Sensitivity Analysis of economics of adding battery storage

Analysis is performed to reveal the sensitivity of the Return on Investment households receive when choosing to invest in a battery storage system in addition to their existing solar system.

Economics of adding Battery Storage to an existing Solar System

Analysis of actual measurements from 300 Sydney households reveals none of the households recover the cost of installing a battery storage system to their existing solar system. In fact on average households will make an annual loss of 7.7% on the cost of the system.