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Adani Electricity Mumbai topped the performance ranking of power distribution companies for 2022-23. Torrent Power Surat and Torrent Power Ahmedabad secured the second and third spots. The ranking is based on the 12th edition of Integrated Rating of Discoms released by Union Minister for Power and New & Renewable Energy R K Singh.
This paper presents a methodological approach for characteristic-based selection of phase change materials (PCMs) for thermal energy storage in building applications. Unlike previous studies that were mainly focused on applying Multi-Criteria Decision Analysis (MCDA) to rank PCMs without using a rational ranking strategy, this study presents a weighted product method (WPM) based ranking strategy by incorporating qualitative and quantitative attributes of PCMs to rank and determine near-optimal PCMs for given applications. Qualitative attributes were converted into quantitative factors by using the standard Saaty scale. A weight assignment process was introduced to handle multiple characteristics of PCMs by using priority-based clusters in the pair-wise matrix of the analytical hierarchy process (AHP). The effectiveness of this strategy was tested and evaluated by performing two case studies. In the first case study, a sample dataset of PCMs was used to rank PCMs for different building