Solar Photovoltaic research has been receiving increasing attention throughout the world as solar energy must play a much greater role in the future energy mix. This book examines new research in this frontier field. This book is a simple, practical guide to use solar panels for testing the effect of dust on photovoltaic PV systems performance. It also covers their performance evaluation .It also explains how dust effects the photovoltaic panels performance and how they can be reduced. It provides a step by step guide to successfully test the performance of photovoltaic solar system using Solar Power meter, Voltmeter, ammeter and Rheostat. This text will be immensely useful for teachers, researchers and professionals working in the photovoltaic field.