Electric Potential Analysis of Contaminated Lands in Idaho for Utility-scale Solar Energy

Abstract

In the state of Idaho, major electric utilities, such as Idaho Power, have shown a growing interest in solar energy. Because utility-scale solar energy (USSE) requires large land usage, this aspect may be especially problematic for indigenous communities and wildlife when siting USSE. Though less problematic, the proximity of transmission networks to a new USSE site may also be a drawback because of the cost associated with building new networks. However, the use of contaminated sites listed in EPA’s RE-Powering Initiative may be an effective solution for reducing the difficulties associated with siting USSE. Within Idaho borders, the estimated electric potential of such contaminated sites within Idaho Power’s service area was evaluated in this study. This was done through map overlays and simple mathematical calculations that consider factors that affect PV performance. The RE-Powering sites were found to be of use for providing energy to Idaho Power’s customers in Idaho and reducing greenhouse gas. Thus, this study may be of use in mitigating the challenges associated with siting USSE so that further solar energy adoption may be achieved.