The demand for basic resources is increasing in today's modern society due to the rapid increase in population. These demands come in a variety of forms, but we'll focus on transportation and the generator electrical systems in this article. The trend toward dispersed generation sources has emerged as a result of the rapid increase in energy demand and the constraint of generation and transmission capacity. A decentralized generation system based on diverse renewable energy sources that use a small combined generation system with a maximum unit output of 100 kW, as well as supercapacitors and battery storage, that is built and deployed near the local load center to supply. Significant distributed generation benefits, problems, applications, limitations, and several distributed generation technology are discussed in this paper. Publicize information about the present status of distributed generation. Advanced techniques for distributed generation, their existing production capacities around the world, as well as their generating ability in a few countries with the largest production plants and regions, are highlighted in this section.