Diesel generators are used for electricity generation in remote locations. They operate by burning diesel fuel to create electricity. They are used in places that have no access to an electrical grid, such as remote islands and rural areas. They can also be used to power emergency shelters and portable medical equipment. DG Set can be powered by a variety of fuels, including diesel fuel and natural gas. Diesel generators are usually larger than other types of generators. They can also be more expensive to buy and operate.