Visualization showing all the renewable source powerplants in india

Hello,

I am a student at Swansea university who is studying computer science. For a data visualization module I have been asked to produce some visualizations based on the Global Power Plant Database. The visualization is shown below

Thank you for your time

Details:

  • Visual Design Type : Map

  • Name of Tool : Tableau

  • Country: India

  • Year: All years in the database

  • Visual Mapping:
    Color: Indicates primary fuel type per power plant
    X-axis: Longitude
    Y-axis: Latitude

  • Observation: From this visualization we can see the most common type of renewable fuel source used by India to generate its electricity.

  • Data Preparation:
    The database was loaded into tableau as a csv file.
    I filtered out the the rest of countries in order to compile all of India powerplants data
    I then filtered out all the non-renewable energy powerplants data

  • Source: http://datasets.wri.org/dataset/globalpowerplantdatabase

  • Questions:

  1. Does the visual design make sense?:
  2. How can the visual design be improved?:
  3. Is my choice of color ideal?:
  4. Are there any other types of visualizations that would be better for this purpose?:

The visual design makes sense and clearly gets across what you’re trying to show. I don’t think it can be improved much further except for maybe changing the colour of nuclear and wind as they can look pretty similar looking at those 2 marks at the bottom of India. Other than that the colours are very distinguishable from each other and the dark map really makes the colours stand out.