A Model for Urban Energy System Design in Consideration of Electric Load Variation in a Specific Area due to PV System Installation

S. Kaewniyompanit, H. Sugihara, and K. Tsuji (Japan)


CO2 emission, Urban energy system design, Electric load variation, PV system


This paper presents a new approach for an urban energy system design by consideration of CO2 emission and electric load variation from the viewpoint of power system operations. Using alternative characteristics of various energy systems for customers, energy system design approaches the optimal sharing and sizing of those energy system alternatives by determining annual cost minimization under CO2 emission reduction and electric load variation constraints. For electric load variation, only photovoltaic (PV) system alternatives are significantly considered as the source of uncertainty electric generation. We develop the model of PV-type alternatives into two types as battery-less and battery-installed system alternatives. The electric load variations are calculated based on actual data of solar radiation. The electric load variation is formulated as the sum of electric load variations from each installed PV-types alternatives by means of random variable (RV). The model for energy system design is validated by a numerical example.

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