Why not, instead of putting them on Social Security, subsidize the installation of solar and wind generation facilities in areas that previously were economical

Why not, instead of putting them on Social Security, subsidize the installation of solar and wind generation facilities in areas that previously were economically driven by coal mining, and then provide training programs so those displaced miners instead are attractive to employers as workers that can manage and maintain the new electricity generation networks? A single coal-fired power plant can generate far more electricity than a single solar panel or wind turbine, and keeping those up and running will need a lot more hands.