A Multi- Period Investment Model for Behind-the-Meter PV and Storage

Behind -the-meter photovoltaic (PV) systems, especially when combined with storage units, are becoming an attractive solution for individual prosumers to decrease electricity costs and reduce the dependence from the utility grid. The technology costs of PV and batteries are expected to continue to decrease during the next decade, while utility energy costs and feed-in remuneration will face regulatory changes. In these scenarios of intense variations of technology and operation costs, multi-period investment approaches become relevant, by allowing for an optimal schedule of the investments throughout the years. In this paper, we propose a multi-period optimal investment model for behind-the-meter PV and storage considering multi-year variations of technology and energy costs.