Fig. 13
![Fig. 13](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs43067-020-00026-3/MediaObjects/43067_2020_26_Fig13_HTML.png)
Percentage of cost saving for each unit considering renewable energy source in winter using hHHO-SCA optimization technique
Percentage of cost saving for each unit considering renewable energy source in winter using hHHO-SCA optimization technique