Recently, the integrated bigdata platform between social components is paid attention toward realization of the super smart city and society. In this paper, multiplex and integrated optimization of power system and transportation system was focused aiming at energy saving, peak load suppression, power regeneration and contribution to connected power distribution network system. The method to develop an integrated model of Light Rail Transit (LRT) and distribution system (DS) was proposed to analyze mutual effect on each system caused by operation of LRT. As a use case, Utsunomiya city was focused on as a city which aimed transportation electrification toward low-carbon city. The integrated model was constructed assumed the Utsunomiya LRT which was under construction and the DS of Utsunomiya city. Using this model, some effects were evaluated on the DS operation by LRT introduction and EV penetration. The peak load suppression effects on power demand of LRT were also simulated using the developed model by coordinately controlling EV chargers and LRT.
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