Underground power lines can get complicated in ways that are very expensive to remedy compared to aerial power lines. For example: https://www.jwz.org/blog/200

Underground power lines can get complicated in ways that are very expensive to remedy compared to aerial power lines. For example: https://www.jwz.org/blog/2002/11/engineering-pornography/ https://www.jwz.org/blog/2002/11/engineering-pornography/