new york power authority nypa friday send 10 engineer planners technical supervisors puerto rico help assessment reconstruction island power grid completely shut hurricane maria nypa workers part group travel puerto rico new york governor andrew cuomo first flight depart puerto rico capital san juan since category hurricane hit island wednesday accord statement governor office assemble top emergency response experts support puerto rico help repair devastate power structure provide supply additional assistance support island recover unprecedented natural disaster cuomo say statement addition 10 nypa specialists translators new york also send drone two drone pilot department environmental conservation assist reconstruction puerto rico power grid puerto rico electric power authority prepa own operate power system serve commonwealth 3.4 million residents file bankruptcy july years underinvestment yield grid call degrade unsafe puerto rico governor ricardo rossello say prepa severely hit could months electricity restore customers nypa workers first utility workers go puerto rico mainland maria american public power association appa help coordinate utility response say also plan bring crew part u.s. mainland help recovery efforts puerto rico virgin islands specialists western area power authority serve much u.s. west montana texas california already puerto rico maria strike island western area workers way virgin islands help rebuild restore power hurricane irma get stick puerto rico irma graze puerto rico sept. knock power million prepa 1.5 million customers prepa say restore power 60,000 home businesses tuesday maria hit n.y. power company send crew aid puerto rico hurricane