**2025 Textbook and Academic Authors Association (TAA) Most Promising New Textbook Award Winner**Fundamentals of Solar Cells and Photovoltaic Systems Engineering presents all the major topics relevant to understanding photovoltaic technology, including the working principles of solar cells, modeling and measuring solar radiation, manufacturing processes for solar cells and photovoltaic modules, the design and operation of rooftop installations and large-scale power plants, the economics of such systems, and the role of photovoltaic solar energy in the ongoing energy transition.This book is intended for use as a textbook on photovoltaic solar energy for upper-level undergraduate/graduate engineering students.