Ever increasing Energy demands of the World pushes the limit of Mother Nature. Man has tried to harness energy from every possible way. Petroleum products from the last few decades have been an obvious choice for a range of power consuming units. Apart from harmful carbon emissions and pollution, their increasing depletion rate and limited reserves are a source of constant alarm for growing economies. This book, therefore, represents the importance of renewable energy resources and focuses on Kaplan Water Turbine. A simple design methodology for Kaplan Turbine is applied for a specified problem and various steps are elaborated. Various parts of Kaplan Turbine are described, design constraints and solutions are discussed. This book will definitely provide an immense exposure to professionals who wants to excel in the field of Renewable Energy Resources, providing a simple and Environment friendly solution to all of their concerns.