Regulatory Matters (Tables) (Consumers Energy Company [Member])
| 9 Months Ended |
|---|
Sep. 30, 2011 |
|---|
2011 Electric Rate Case [Member] | |
| Schedule of Annual Rate Increase Requested |
| |
|
|
|
|
| |
|
In Millions |
|
|
Components of the rate increase |
|
|
|
|
| |
|
Investment in rate base |
|
$ |
81 |
|
|
Depreciation and property taxes |
|
|
70 |
|
|
Impact of sales declines |
|
|
50 |
|
|
Impact of reduced funding for customer assistance programs1 |
|
|
13 |
|
|
Reduced operating and maintenance costs |
|
|
(17 |
) |
|
Cost of capital |
|
|
(2 |
) |
| |
|
Total |
|
$ |
195 |
|
| | |
Power Supply Cost Recover (PSCR) [Member] | |
| Schedule of Reconciliation Filings Pending with MPSC |
| |
|
|
|
|
|
|
| |
| PSCR Year |
|
Date Filed |
|
Net Underrecovery |
|
PSCR Cost of Power Sold |
|
2010 |
|
March 2011 |
|
$15 million |
|
$1.7 billion |
| | |
Gas Cost Recover (GCR) [Member] | |
| Schedule of Reconciliation Filings Pending with MPSC |
| |
|
|
|
|
|
|
| |
| GCR Year |
|
Date Filed |
|
Net Overrecovery |
|
GCR Cost of Gas Sold |
|
2009-2010 |
|
June 2010 |
|
$1 million |
|
$1.3 billion |
|
2010-2011 |
|
June 2011 |
|
6 million |
|
1.2 billion |
| | |
2010 Gas Rate Case [Member] | |
| Schedule Of Annual Rate Increase Authorized And Requested |
| |
|
|
|
|
|
|
|
|
|
|
|
|
| In Millions |
|
| |
|
|
|
|
|
Increase Originally |
|
|
|
|
| |
|
Increase Authorized |
|
|
Requested by |
|
|
|
|
| Components of the rate increase |
|
by the MPSC |
|
|
Consumers |
|
|
Difference |
|
| |
|
Investment in rate base |
|
$ |
29 |
|
|
$ |
30 |
|
|
$ |
(1 |
) |
|
Impact of sales declines |
|
|
15 |
|
|
|
4 |
|
|
|
11 |
|
|
Operating and maintenance costs |
|
|
2 |
|
|
|
16 |
|
|
|
(14 |
) |
|
Cost of capital |
|
|
(15 |
) |
|
|
5 |
|
|
|
(20 |
) |
| |
|
Total |
|
$ |
31 |
|
|
$ |
55 |
|
|
$ |
(24 |
) |
| | |
2011 Gas Rate Case [Member] | |
| Schedule of Annual Rate Increase Requested |
| |
|
|
|
|
| In Millions |
|
|
Components of the rate increase |
|
|
|
|
| |
|
Investment in rate base |
|
$ |
22 |
|
|
Impact of reduced funding for customer assistance programs1 |
|
|
19 |
|
|
Cost of capital |
|
|
10 |
|
|
Impact of sales declines |
|
|
2 |
|
|
Reduced operating and maintenance costs |
|
|
(4 |
) |
| |
|
Total |
|
$ |
49 |
|
| | |