RATES AND REGULATORY ACTIONS (Details) $ in Millions	Jan. 31, 2017 USD ($)
Energy Efficiency Tracker \| South Jersey Gas Company
Schedule of Capitalization [Line Items]
Budget for Energy Efficiency Program	$ 36.3

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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