Aggregation of Demand-Side Flexibilities: A Comparative Study of Approximation Algorithms
, Klaus Rheinberger 1,2,*, Timm Faulwasser 3, Karl Worthmann 4 and Markus Preißinger 1,2Round 1
Reviewer 1 Report
The authors presented an interesting comparison between different approximation algorithms. Even if the methodologies have been already proposed in the literature, it is noticeable the effort of the authors in describing them with a common reference for what concerns symbols and quantities.
The paper is well structured and easy to read. The results section, which is the main contribution of this paper, is also well organized and documented.
This reviewer has only a few comments:
- the authors should better clarify how the time periods are considered in the different sections of the paper (duration and so on). In particular, on page 3 it is reported that the M time periods are quarter-hourly based, while on page 15 it is not clear how much a time period last exactly;
- The authors should have discussed more the impact that the reactive power flexibility could have. Even if in this study it has been decided to not consider it, such flexibility plays a key role in the management of smart grids, and thus it is important to add some considerations in this regard.
Author Response
Please see the attachment.
Author Response File: 
Author Response.pdf
Reviewer 2 Report
Reduce the abstract and limit it to 250 words. The title of this page needs to be changed as there is no description about smart grid throughout the paper. It might be confusing for the readers. The introduction section do not describe what is smart grid. Also, the introduction section needs to be restructured in such a way that it should answer what is the issue, why is it an issue, how in the past/or currently this issue is being addressed and finally the structure of the paper. The preliminaries and results and discussion section is well written. Please add a few references from the same journal and delete the irrelevant references. Please include the following paper: Real‐time data collection to improve energy efficiency: A case study of food manufacturer. English check is a must.
Author Response
Please see the attachment.
Author Response File: Author Response.pdf
Round 2
Reviewer 2 Report
The authors have addressed mot of the suggestions and corrections and the manuscript has been improved significantly.
