"National Grid (ESO)" . . "National Grid Gas" . . "National Grid UK Pension Scheme" . . "National Grid plc#USA" . . "New England Power Company" . . . . . "Niagara Mohawk Power Company" . . . . "National grid ESO" . . "Transco plc" . . . "energy networks" . "Bostongas" . . . . . . "National Grid Company" . . "National Grid USA" . "National Grid Transco plc" . . "National Grid" . . . . . . "Boston Gas Company" . . . . . . . "National Grid Gas plc" . . . . . "1.4779E10" . "6.7216E10" . . . . "1990" . . . . . . . . "National Grid plc" . . . "Transco" . . . . . "National Grid Company." . . . "National Grid UK" . "national grid" . . . . . "National Grid plc" . . . . "New England Electric System" . . . . . . . . "National Grid Transco" . . "2.926E9" . . . "23683" . "1.641E9" . "1.986E10" . . . . . . . . . . "Narragansett Electric Company" . . . . . .