The lack of reliable power in health facilities undermines the quality of healthcare for millions of people. According to the World Health Organisation (WHO), nearly 60% of health centres in sub-Saharan Africa do not have access to electricity, and of those that do, only 34% of hospitals and 28% of health clinics have reliable access. Nearly 60% of refrigerators used in health clinics in Africa do not have reliable electricity necessary for the safe storage of vaccines and medicines. The WHO further states that half of all vaccines distributed globally are ruined due to lack of refrigeration.