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FINANCIAL STATEMENT EFFECTS OF RATE REGULATION - GENERAL INFORMATION (Details) | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Canadian Mainline |  |  |
GENERAL INFORMATION ON RATE REGULATION AND ITS EFFECTS |  |  |
Term of CLT | 10 years |  |
Southern Lights |  |  |
GENERAL INFORMATION ON RATE REGULATION AND ITS EFFECTS |  |  |
After-tax ROE (as a percent) | 10.00% |  |
Percentage of debt | 70.00% |  |
Percentage of equity | 30.00% |  |
Enbridge Gas Distribution |  |  |
GENERAL INFORMATION ON RATE REGULATION AND ITS EFFECTS |  |  |
After-tax ROE (as a percent) | 9.30% | 9.40% | 8.90%
Percentage of equity | 36.00% | 36.00% | 36.00%

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- Definition Represents the deemed debt structure inherent in the toll or rate. + References No definition available. + Details
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- Definition Represents the deemed equity structure inherent in the toll or rate. + References No definition available. + Details
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- Definition General information on rate regulations and its economic effects. + References No definition available. + Details
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- Definition Represents the after-tax rate of return on equity. + References No definition available. + Details
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