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Regulatory Matters (Tables) - Consumers Energy Company [Member]
12 Months Ended
Dec. 31, 2015
Public Utility, Property, Plant and Equipment [Line Items]  
Schedule of Regulatory Assets and Liabilities

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

In Millions  

December 31

End of Recovery 
or Refund Period 

2015  2014 

 

Regulatory assets

 

 

 

 

 

 

 

 

Current

 

 

 

 

 

 

 

 

Energy optimization plan incentive1

2016 

 

$

16 

 

$

17 

 

Securitized costs – electric utility restructuring legislation2

2015 

 

 

 -

 

 

61 

 

Major maintenance2

2015 

 

 

 -

 

 

 

Other

2015 

 

 

 -

 

 

 

Total current regulatory assets

 

 

$

16 

 

$

89 

 

Non-current

 

 

 

 

 

 

 

 

Postretirement benefits3

various

 

$

1,096 

 

$

1,195 

 

Securitized costs – electric generating units to be retired2

2029 

 

 

348 

 

 

370 

 

ARO4

various

 

 

151 

 

 

139 

 

MGP sites4

various

 

 

146 

 

 

147 

 

Unamortized debt costs4

various

 

 

61 

 

 

66 

 

Gas storage inventory adjustments4

various

 

 

18 

 

 

21 

 

Energy optimization plan incentive1

2017 

 

 

18 

 

 

17 

 

Other

various

 

 

 

 

 

Total non‑current regulatory assets

 

 

$

1,840 

 

$

1,956 

 

Total regulatory assets

 

 

$

1,856 

 

$

2,045 

 

Regulatory liabilities

 

 

 

 

 

 

 

 

Current

 

 

 

 

 

 

 

 

Income taxes, net

2016 

 

$

64 

 

$

64 

 

Securitized costs – electric utility restructuring legislation

2016 

 

 

14 

 

 

 -

 

Other

2016 

 

 

 

 

 

Total current regulatory liabilities

 

 

$

82 

 

$

67 

 

Non-current

 

 

 

 

 

 

 

 

Cost of removal

various

 

$

1,745 

 

$

1,673 

 

Renewable energy plan

2028 

 

 

109 

 

 

131 

 

ARO

various

 

 

73 

 

 

83 

 

Income taxes, net

various

 

 

64 

 

 

103 

 

Renewable energy grant

2043 

 

 

60 

 

 

63 

 

Energy optimization plan

various

 

 

26 

 

 

32 

 

Other

various

 

 

11 

 

 

10 

 

Total non‑current regulatory liabilities

 

 

$

2,088 

 

$

2,095 

 

Total regulatory liabilities

 

 

$

2,170 

 

$

2,162 

 

 

1

These regulatory assets have arisen from alternative revenue programs and are not associated with incurred costs or capital investments. Therefore, the MPSC has provided for recovery without a return.

2

These regulatory assets are included in rate base (or are expected to be included, for costs incurred subsequent to the most recently approved rate case), thereby providing a return on expenditures, or provide a specific return on investment authorized by the MPSC.

3

This regulatory asset is offset partially by liabilities. The net amount is included in rate base, thereby providing a return.

4

These regulatory assets represent incurred costs for which the MPSC has provided, or Consumers expects, recovery without a return on investment.

Schedule of Assets and Liabilities for PSCR and GCR Underrecoveries and Overrecoveries

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

In Millions  

December 31

2015  2014 

 

Assets

 

 

 

 

 

 

 

Accrued gas revenue

 

$

 -

 

$

27 

 

Liabilities

 

 

 

 

 

 

 

Accrued rate refunds

 

 

26