Utility resource implications for a 100% clean energy future

Several states and utilities in the US have announced goals for a 100% carbon-free generation mix over the next two to three decades. The announcements provide broad guidance, but a utility’s ability to meet such targets will be influenced by its individual load shape, the available technology options, and the market and regulatory environment in which the utility operates. In this paper, the authors present a case study that addresses resource planning considerations associated with a potential carbon-free future.