@article{YokoyamaShinanoWakui2022, author = {Ryohei Yokoyama and Yuji Shinano and Tetsuya Wakui}, title = {Day and time aggregations for optimal design of energy supply systems with storage units by a hierarchical MILP method}, journal = {The 35th International Conference on Efficiency, Cost, Optimization, Simulation and Environmental Impact of Energy Systems (ECOS 2022)}, pages = {1891 -- 1902}, year = {2022}, }