Abstract
The aim of this paper is to study on Area-wide energy utilization by use of self-supporting decentralized energy system in Utsunomiya city. We divide area around Utsunomiya station into 6 districts and draw up the following three scenarios of Area-wide energy utilization by use of self-supporting decentralized energy system in Utsunomiya city and estimate about energy consumption based on three scenarios. 1) Each district has CGS. 2) There is CGS across all districts. 3) In addition to the second scenario, waste heat was utilized.