The falling cost of solar power, batteries, and LED lighting means that renewable sources can now provide affordable, modern energy. In Kenya, for example, Maasai women in Magadi who have been trained to install solar power have brought electricity to 2,000 households in just two years.
这些机会对于非洲来说尤其关键。6.2亿多非洲人用不上电。太阳能、电池和LED照明成本的下降意味着可再生资源已经能够提供平价的现代能源。比如，在肯尼亚，接受太阳能电板安装技能的马加迪（Magadi）的马赛（Maasai）女性在不到两年时间内为2,000 户家庭带来了电力。