Generators are indispensable for reliable power in construction sites. Generators are used in the event of a mains power outage or when no power is available at the location. Generators are available for various energy needs such as long-term work and high efficiency. After construction, generators are used during black-outs to meet energy needs, particularly in residential projects and industrial structures. Generators are available in various sizes and capacities from the smallest to the largest sites.Various generators types are available depending on the fuel type such as diesel, gasoline and natural gas. Mobile, wheeled, cabin, non-cabin and case-type generators are available. Case-type generators can supply up to 30 kVA and while other types offer various kVA options.