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RISK MANAGEMENT ACTIVITIES (Tables)
 6 Months Ended
Jun. 30, 2013
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Assets and liabilities from risk management activities
The following tables show our assets and liabilities from risk management activities:
 
 
 
 
June 30, 2013
(Millions)
 
Balance Sheet Presentation *
 
Assets from
Risk Management Activities
 
Liabilities from
Risk Management Activities
Utility Segments
 
 
 
 

 
 

Nonhedge derivatives
 
 
 
 

 
 

Natural gas contracts
 
Current
 
$
2.0

 
$
6.8

Natural gas contracts
 
Long-term
 
0.6

 
0.7

Financial transmission rights (FTRs)
 
Current
 
4.5

 
0.6

Petroleum product contracts
 
Current
 
—

 
0.1

Coal contracts
 
Current
 
—

 
2.0

Coal contracts
 
Long-term
 
—

 
0.3

 
 
 
 
 
 
 
Nonregulated Segments
 
 
 
 

 
 

Nonhedge derivatives
 
 
 
 

 
 

Natural gas contracts
 
Current
 
61.3

 
52.1

Natural gas contracts
 
Long-term
 
29.1

 
18.2

Electric contracts
 
Current
 
114.0

 
136.5

Electric contracts
 
Long-term
 
32.4

 
45.1

 
 
Current
 
181.8

 
198.1

 
 
Long-term
 
62.1

 
64.3

Total
 
 
 
$
243.9

 
$
262.4


*   We classify assets and liabilities from risk management activities as current or long-term based upon the maturities of the underlying contracts.
 
 
 
 
December 31, 2012
(Millions)
 
Balance Sheet Presentation *
 
Assets from
Risk Management Activities
 
Liabilities from
Risk Management Activities
Utility Segments
 
 
 
 

 
 

Nonhedge derivatives
 
 
 
 

 
 

Natural gas contracts
 
Current
 
$
2.5

 
$
14.0

Natural gas contracts
 
Long-term
 
0.9

 
0.8

FTRs
 
Current
 
2.1

 
0.1

Petroleum product contracts
 
Current
 
0.2

 
—

Coal contracts
 
Current
 
0.3

 
4.7

Coal contracts
 
Long-term
 
2.2

 
4.3

Cash flow hedges
 
 
 
 

 
 

Natural gas contracts
 
Current
 
—

 
0.4

 
 
 
 
 
 
 
Nonregulated Segments
 
 
 
 

 
 

Nonhedge derivatives
 
 
 
 

 
 

Natural gas contracts
 
Current
 
51.7

 
48.5

Natural gas contracts
 
Long-term
 
11.5

 
7.6

Electric contracts
 
Current
 
88.6

 
114.2

Electric contracts
 
Long-term
 
30.7

 
45.7

 
 
Current
 
145.4

 
181.9

 
 
Long-term
 
45.3

 
58.4

Total
 
 
 
$
190.7

 
$
240.3


*   We classify assets and liabilities from risk management activities as current or long-term based upon the maturities of the underlying contracts.
Schedule of potential effect of netting arrangements on financial position for recognized derivative assets and liabilities
The following tables show the potential effect on our financial position of netting arrangements for recognized derivative assets and liabilities:
 
 
June 30, 2013
(Millions)
 
Gross Amount
 
Gross Amount Not Offset on the Balance Sheet, Including Cash Collateral
 
Net Amount
Derivative assets subject to master netting or similar arrangements
 
 
 
 

 
 

Utility Segments
 
$
7.1

 
$
2.8

 
$
4.3

Nonregulated Segments
 
236.8

 
142.9

 
93.9

Total risk management assets
 
$
243.9

 


 
$
98.2

 
 
 
 
 
 
 
Derivative liabilities subject to master netting or similar arrangements
 
 
 
 

 
 

Utility Segments
 
$
8.2

 
$
3.2

 
$
5.0

Nonregulated Segments
 
251.2

 
170.8

 
80.4

Total
 
259.4

 
174.0

 
85.4

Derivative liabilities not subject to master netting or similar arrangements
 
3.0

 
 
 
3.0

Total risk management liabilities
 
$
262.4

 


 
$
88.4


 
 
December 31, 2012
(Millions)
 
Gross Amount
 
Gross Amount Not Offset on the Balance Sheet, Including Cash Collateral
 
Net Amount
Derivative assets subject to master netting or similar arrangements
 
 
 
 

 
 

Utility Segments
 
$
5.7

 
$
3.0

 
$
2.7

Nonregulated Segments
 
182.5

 
145.4

 
37.1

Total
 
188.2

 
148.4

 
39.8

Derivative assets not subject to master netting or similar arrangements
 
2.5

 
 
 
2.5

Total risk management assets
 
$
190.7

 


 
$
42.3

 
 
 
 
 
 
 
Derivative liabilities subject to master netting or similar arrangements
 
 
 
 

 
 

Utility Segments
 
$
15.3

 
$
3.8

 
$
11.5

Nonregulated Segments
 
215.4

 
159.8

 
55.6

Total
 
230.7

 
163.6

 
67.1

Derivative liabilities not subject to master netting or similar arrangements
 
9.6

 
 
 
9.6

Total risk management liabilities
 
$
240.3

 


 
$
76.7
Cash collateral positions
The following table shows our cash collateral positions:
(Millions)
 
June 30, 2013
 
December 31, 2012
Cash collateral provided to others:
 
 
 
 
Related to contracts under master netting or similar arrangements
 
$
59.2

 
$
39.9

Other
 
1.1

 
1.1

Cash collateral received from others related to contracts under master netting or similar arrangements *
 
—

 
0.2


*   Reflected in other current liabilities on the balance sheets.
Credit risk derivatives in a liability position
The following table shows the aggregate fair value of all derivative instruments with specific credit risk-related contingent features that were in a liability position:
(Millions)
 
June 30, 2013
 
December 31, 2012
Integrys Energy Services
 
$
114.6

 
$
108.9

Utility segments
 
6.7

 
14.0
Collateral requirements related to credit-risk related contingent features in commodity instruments
If all of the credit risk-related contingent features contained in commodity instruments (including derivatives, nonderivatives, normal purchase and normal sales contracts, and applicable payables and receivables) had been triggered, our collateral requirement would have been as follows:
(Millions)
 
June 30, 2013
 
December 31, 2012
Collateral that would have been required:
 
 

 
 

Integrys Energy Services
 
$
208.0

 
$
173.8

Utility segments
 
4.6

 
10.1

Collateral already satisfied:
 
 

 
 

Integrys Energy Services — Letters of credit
 
1.9

 
3.2

Collateral remaining:
 


 
 

Integrys Energy Services
 
206.1

 
170.6

Utility segments
 
4.6

 
10.1
Utility Segments, Notional volumes of outstanding non-hedge derivative contracts
The utilities had the following notional volumes of outstanding nonhedge derivative contracts:
 
 
June 30, 2013
 
December 31, 2012
 
 
Purchases
 
Sales
 
Other Transactions
 
Purchases
 
Sales
 
Other Transactions
Natural gas (millions of therms)
 
591.2

 
43.8

 
N/A

 
1,072.6

 
0.1
 
N/A

FTRs (millions of kilowatt-hours)
 
N/A

 
N/A

 
8,339.4

 
N/A

 
N/A
 
4,057.2

Petroleum products (barrels)
 
51,901.0

 
9,000.0

 
N/A

 
62,811.0

 
N/A
 
N/A

Coal (millions of tons)
 
4.4

 
0.1

 
N/A

 
5.1

 
N/A
 
N/A
Utility Segments, Unrealized gains (losses) related to non-hedge derivatives at the utilities
The table below shows the unrealized gains (losses) recorded related to nonhedge derivative contracts at the utilities:
 
 
 
 
Three Months Ended June 30
 
Six Months Ended June 30
(Millions)
 
Financial Statement Presentation
 
2013
 
2012
 
2013
 
2012
Natural gas
 
Balance Sheet — Regulatory assets (current)
 
$
(5.6
)
 
$
19.1

 
$
7.4

 
$
12.7

Natural gas
 
Balance Sheet — Regulatory assets (long-term)
 
(1.0
)
 
4.7

 
(0.2
)
 
3.9

Natural gas
 
Balance Sheet — Regulatory liabilities (current)
 
(5.7
)
 
4.2

 
0.2

 
0.5

Natural gas
 
Balance Sheet — Regulatory liabilities (long-term)
 
(1.1
)
 
0.4

 
(0.3
)
 
0.5

Natural gas
 
Income Statement — Utility cost of fuel, natural gas, and purchased power
 
—

 
—

 
—

 
0.1

Natural gas
 
Income Statement — Operating and maintenance expense
 
(0.3
)
 
—

 
(0.1
)
 
—

FTRs
 
Balance Sheet — Regulatory assets (current)
 
(1.0
)
 
(0.8
)
 
(0.8
)
 
(0.4
)
FTRs
 
Balance Sheet — Regulatory liabilities (current)
 
0.3

 
1.0

 
(0.1
)
 
0.7

Petroleum
 
Balance Sheet — Regulatory assets (current)
 
(0.1
)
 
(0.2
)
 
(0.1
)
 
(0.1
)
Petroleum
 
Balance Sheet — Regulatory liabilities (current)
 
—

 
(0.1
)
 
—

 
—

Petroleum
 
Income Statement — Operating and maintenance expense
 
—

 
(0.1
)
 
—

 
—

Coal
 
Balance Sheet — Regulatory assets (current)
 
0.8

 
(0.1
)
 
2.7

 
(3.2
)
Coal
 
Balance Sheet — Regulatory assets (long-term)
 
1.7

 
3.7

 
4.0

 
0.2

Coal
 
Balance Sheet — Regulatory liabilities (current)
 
(0.1
)
 
—

 
(0.3
)
 
—

Coal
 
Balance Sheet — Regulatory liabilities (long-term)
 
—

 
—

 
(2.2
)
 
—
Nonregulated Segments, Notional volumes of outstanding non-hedge derivative contracts
Integrys Energy Services had the following notional volumes of outstanding nonhedge derivative contracts:
 
 
June 30, 2013
 
December 31, 2012
(Millions)
 
Purchases
 
Sales
 
Purchases
 
Sales
Commodity contracts
 
 

 
 

 
 

 
 

Natural gas (therms)
 
986.8

 
915.8

 
782.0

 
679.0

Electric (kilowatt-hours)
 
57,775.1

 
35,836.5

 
54,127.6

 
31,809.6

Foreign exchange contracts (Canadian dollars)
 
0.4

 
0.4

 
0.4

 
0.4
Nonregulated Segments, gains (losses) related to non-hedge derivatives
Gains (losses) related to nonhedge derivative contracts are recognized currently in earnings, as shown in the table below:
 
 
 
 
Three Months Ended June 30
 
Six Months Ended June 30
(Millions)
 
Income Statement Presentation
 
2013
 
2012
 
2013
 
2012
Natural gas
 
Nonregulated revenue
 
$
33.8

 
$
7.4

 
$
37.2

 
$
11.4

Natural gas
 
Nonregulated cost of sales
 
(32.9
)
 
—

 
(34.5
)
 
—

Natural gas
 
Nonregulated revenue (reclassified from accumulated OCI) *
 
(0.1
)
 
(0.3
)
 
(0.2
)
 
(1.5
)
Electric
 
Nonregulated revenue
 
(77.6
)
 
9.0

 
(13.6
)
 
(59.6
)
Electric
 
Nonregulated cost of sales
 
8.7

 
—

 
8.7

 
—

Electric
 
Nonregulated revenue (reclassified from accumulated OCI) *
 
(2.0
)
 
(0.7
)
 
(3.0
)
 
(1.4
)
Total
 
 
 
$
(70.1
)
 
$
15.4

 
$
(5.4
)
 
$
(51.1
)

* Represents amounts reclassified from accumulated OCI related to cash flow hedges that were dedesignated in prior periods.