@article{YokoyamaShinanoTakeuchietal.2019, author = {Ryohei Yokoyama and Yuji Shinano and Kotaro Takeuchi and Tetsuya Wakui}, title = {Operation-based time-period clustering for optimal design of energy supply systems by a hierarchical MILP method}, journal = {THE 32ND INTERNATIONAL CONFERENCE ON EFFICIENCY, COST, OPTIMIZATION, SIMULATION AND ENVIRONMENTAL IMPACT OF ENERGY SYSTEMS(ECOS 2019)}, pages = {527 -- 539}, year = {2019}, }