Can Solar Energy Solve Puerto Rico's Energy Crisis? Listen Download Embed Share Share this on Facebook (Opens in a new window) Share this on Twitter (Opens in a new window) Share this via Email Las Piedras still doesn't have power off the national grid, more than 10 months after Hurricane Maria and now is operating exclusively on solar energy. ( AP Photo ) Produced by Lydia McMullen-Laird Hosted by Tanzina Vega Produced by PRI and WQXR