While many lower voltage, local electric distribution lines are placed underground, particularly in newer neighborhoods, almost all high-voltage electric transmission lines are overhead for four general reasons: environmental impact. cost considerations.Click to see full answer. Similarly one may ask, can power lines be moved underground?Burying power lines requires underground trenching, moving cable and phone lines and adding new transformers/switches to make sure power can be distributed remotely. All below ground power lines must come above ground at some point so there is no complete avoidance from heavy winds or falling trees post storms.Beside above, what cities have underground power lines? Now consider the list of communities that have buried power lines, or are talking about doing so: Palm Beach, Longboat Key, Gulf Stream, Winter Park, Key Biscayne, Golden Beach, Jupiter Inlet Colony, Jupiter Island, Palm Beach Shores, Coral Gables, Boca Raton and the Las Olas Isles neighborhood of Fort Lauderdale. Also to know, how much would it cost to bury power lines? Burying power lines costs roughly US$1 million per mile, but the geography or population density of the service area can halve this cost or triple it.Why don’t they run power lines underground?”Buried power lines are protected from the wind, ice and tree damage that are common causes of outages, and so suffer fewer weather or vegetation-related outages,” it concluded. “But buried lines are more vulnerable to flooding, and can still fail due to equipment issues or lightning.”