Energy is the effort for doing work, nothing can be done without energy, and there are many forms of energy. Energy and its consumption is the core of modern life, energy is never destroyed nor created from nothing. It is just transferred from one form to another, doing work in the process. Degree of energy usefulness to us is determined by its form and type. In agriculture energy is important for production its type and source is extremely important for production and transportation of that production, heat in the form of solar energy is vital for plant growth and maturity because it's the type that plant needs, while other types that can be electricity or fossil energy needed for water pumping for irrigation. Energy has always been the driving force of development, sustainability in energy availability is critical for the continuity of production and life. The book highlights the current trends in modern energy consumption and future needs of energy in Agriculture.