Receivables

3 Months Ended

Mar. 31, 2012

Receivables

(3) RECEIVABLES

Sales of Accounts Receivable—IPL maintains a Receivables Purchase and Sale Agreement (Agreement) whereby it may sell its customer accounts receivables, unbilled revenues and certain other accounts receivables to a third-party financial institution through wholly-owned and consolidated special purpose entities. In March 2012, IPL extended through March 2014 the purchase commitment from the third-party financial institution to which it sells its receivables. In exchange for the receivables sold, IPL receives cash proceeds from the third-party financial institution (based on seasonal limits up to $180 million), and deferred proceeds recorded in "Accounts receivable" on Alliant Energy's and IPL's Condensed Consolidated Balance Sheets.

As of March 31, 2012 and Dec. 31, 2011, IPL sold $179.6 million and $195.3 million aggregate amounts of receivables, respectively. IPL's maximum and average outstanding cash proceeds, and costs incurred related to the sales of accounts receivable program for the three months ended March 31 were as follows (in millions):

	2012		2011
Maximum outstanding aggregate cash proceeds (based on daily outstanding balances)	$	160.0	$	130.0
Average outstanding aggregate cash proceeds (based on daily outstanding balances)		143.0		91.4
Costs incurred		0.4		0.4

The attributes of IPL's receivables sold under the Agreement were as follows (in millions):

	March 31, 2012		Dec. 31, 2011
Customer accounts receivable	$	116.1	$	122.4
Unbilled utility revenues		48.7		65.4
Other receivables		14.8		7.5
Receivables sold		179.6		195.3
Less: cash proceeds (a)		145.0		140.0
Deferred proceeds		34.6		55.3
Less: allowance for doubtful accounts		1.7		1.6
Fair value of deferred proceeds	$	32.9	$	53.7
Outstanding receivables past due	$	18.0	$	15.9

(a) Changes in cash proceeds during the first quarter of 2012 are recorded in "Sales of accounts receivable" in operating activities in Alliant Energy's and IPL's Condensed Consolidated Statements of Cash Flows.

Additional attributes of IPL's receivables sold under the Agreement for the three months ended March 31 were as follows (in millions):

	2012		2011
Collections reinvested in receivables	$	442.3	$	475.3
Credit losses, net of recoveries		2.1		2.1

IPL [Member]

Receivables

(3) RECEIVABLES

Sales of Accounts Receivable—IPL maintains a Receivables Purchase and Sale Agreement (Agreement) whereby it may sell its customer accounts receivables, unbilled revenues and certain other accounts receivables to a third-party financial institution through wholly-owned and consolidated special purpose entities. In March 2012, IPL extended through March 2014 the purchase commitment from the third-party financial institution to which it sells its receivables. In exchange for the receivables sold, IPL receives cash proceeds from the third-party financial institution (based on seasonal limits up to $180 million), and deferred proceeds recorded in "Accounts receivable" on Alliant Energy's and IPL's Condensed Consolidated Balance Sheets.

As of March 31, 2012 and Dec. 31, 2011, IPL sold $179.6 million and $195.3 million aggregate amounts of receivables, respectively. IPL's maximum and average outstanding cash proceeds, and costs incurred related to the sales of accounts receivable program for the three months ended March 31 were as follows (in millions):

	2012		2011
Maximum outstanding aggregate cash proceeds (based on daily outstanding balances)	$	160.0	$	130.0
Average outstanding aggregate cash proceeds (based on daily outstanding balances)		143.0		91.4
Costs incurred		0.4		0.4

The attributes of IPL's receivables sold under the Agreement were as follows (in millions):

	March 31, 2012		Dec. 31, 2011
Customer accounts receivable	$	116.1	$	122.4
Unbilled utility revenues		48.7		65.4
Other receivables		14.8		7.5
Receivables sold		179.6		195.3
Less: cash proceeds (a)		145.0		140.0
Deferred proceeds		34.6		55.3
Less: allowance for doubtful accounts		1.7		1.6
Fair value of deferred proceeds	$	32.9	$	53.7
Outstanding receivables past due	$	18.0	$	15.9

(a) Changes in cash proceeds during the first quarter of 2012 are recorded in "Sales of accounts receivable" in operating activities in Alliant Energy's and IPL's Condensed Consolidated Statements of Cash Flows.

Additional attributes of IPL's receivables sold under the Agreement for the three months ended March 31 were as follows (in millions):

	2012		2011
Collections reinvested in receivables	$	442.3	$	475.3
Credit losses, net of recoveries		2.1		2.1