Taiwan has a considerable amount of photovoltaic manufacturing and a very sunny climate that it owns great potential to utilize more renewable energy based on photovoltaic to reduce the use of fossil fuels. This article aims to explore the evolution of the solar photovoltaic policy in Taiwan's electricity power sector. Based on a multi-level perspective, this article analyzes the technological transition of photovoltaic in Taiwan's electricity industry. In addition, the evolution and possible future directions of the country's solar photovoltaic energy policy are investigated in detail.