This manuscript comprises a brief review of distinct tools that are used for analysing the renewable integration. Though numerous tools are used, a few are considered for explanatory purposes using the web sources of various tool developers. The details in this manuscript give the reader the necessary information to select and identify a suitable tool for renewable energy integration and its analysis for diverse objectives. This manuscript reveals that there is no tool exclusively which addresses all the problems that are related to renewable energy integration. Every objective has its own tool fulfilling its criterion. All the tools mentioned in this manuscript are related to typical applications for analysing the energy system from the state level to the national level. The details of the tools mentioned for analysis are looked at various factors like their energy sector, accounted technology, parameters, availability of tools, etc. Lastly, this manuscript provides information related to direct the decision-maker. © 2020, Springer Nature Singapore Pte Ltd.