Regulatory Accounting

6 Months Ended

Jun. 30, 2017

Regulatory Assets and Liabilities, Other Disclosures [Abstract]

Regulatory Accounting [Text Block]

Regulatory Accounting

As of June 30, 2017, Houston Electric has not recognized an allowed equity return of $312 million because such return will be recognized as it is recovered in rates.  During the three months ended June 30, 2017 and 2016, Houston Electric recognized approximately $10 million and $17 million, respectively, of the allowed equity return not previously recognized.  During the six months ended June 30, 2017 and 2016, Houston Electric recognized approximately $17 million and $30 million, respectively, of the allowed equity return not previously recognized.