The City Council voted Wednesday to commission a study of the issue.
Sandy knocked out power to hundreds of thousands of customers around the city. Many outages endured longer in areas with overhead lines.
The research will include analyzing weather-related outages for above-ground and below-ground lines.
The study also will estimate the cost of burying lines and recommend where that would make most sense. Planning officials are to conduct the study.
Council Speaker Christine Quinn says it will help leaders learn how to prepare the city better for future storms.
Utility Consolidated Edison says it looks forward to participating in a discussion that should examine both benefits and costs.
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