2008 Sunrise Review: Photovoltaic Solar Electric Installers identifies regulation of this profession in eight states: Arizona, California, Connecticut, Florida, Hawaii, Nevada, Oregon and Utah. Practitioners install solar electric systems for both commercial and residential use, which are explained briefly in the report. A potential for both financial and physical harm resulting from assorted errors is acknowledged, but identified consumer complaints were very few. The recommendation is to impose no regulation on Photovoltaic Solar Electric Installers in Colorado.