Funding
: Yes, this research has received partial funding from the African Center of Excellence in Energy for Sustainable Development at the University of Rwanda, under Research Core Funding No. ACE II017.
Ethical Approval and Consent to Participate
: No, the article does not require ethical approval and consent to participate with evidence.
Authors Contributions
: Each author has made an independent contribution to the article. The individual contributions of each author are presented below for clarity and transparency. D.J. conducted literature survey, collected, processed and analyzed the data, and drafted the manuscript. J.M. and C.K. edited and reviewed the manuscript. All authors have read and consented for publication