NATURAL GAS: ConEd tops list of pipeline leakers -- report Colin Sullivan, E&E reporter Published: Friday, March 28, 2014 NEW YORK -- Consolidated Edison Inc. is tops in natural gas pipeline leaks, according to a report from SNL Energy. Please subscribe to EnergyWire to read the full story. Username: Password: Forgot your access codes? Recover them. Not a subscriber? Sign up for a trial. Ready to subscribe? Click here.