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Risk Management Activities | 6 Months Ended
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Jun. 30, 2024
Derivative Instruments and Hedging Activities Disclosure [Abstract] |
Risk Management Activities | We are exposed to certain risks relating to our ongoing business operations; namely commodity price risk and interest rate risk. We recognize that the prudent and selective use of derivatives may help to lower our cost of debt capital, manage our interest rate exposure and limit volatility in the price of natural gas. Risk management assets and liabilities on our derivatives are presented on the Condensed Consolidated Balance Sheets (unaudited) as shown below:
| June 30, 2024 |  | December 31, 2023
(in millions) | Assets |  | Liabilities |  | Assets |  | Liabilities
Current(1) |  |  |  |  |  |  |
Derivatives not designated as hedging instruments | $ | 5.2 |  |  | $ | 5.1 |  |  | $ | 1.1 |  |  | $ | 7.5 |
Total | $ | 5.2 |  |  | $ | 5.1 |  |  | $ | 1.1 |  |  | $ | 7.5 |
Noncurrent(2) |  |  |  |  |  |  |
Derivatives not designated as hedging instruments | $ | 21.3 |  |  | $ | 2.9 |  |  | $ | 22.2 |  |  | $ | 1.9 |
Total | $ | 21.3 |  |  | $ | 2.9 |  |  | $ | 22.2 |  |  | $ | 1.9 |
(1)Current assets and liabilities are presented in "Prepayments and other" and "Other accruals", respectively, on the Condensed Consolidated Balance Sheets (unaudited). (2)Noncurrent assets and liabilities are presented in "Deferred charges and other" and "Other noncurrent liabilities and deferred credits", respectively, on the Condensed Consolidated Balance Sheets (unaudited). Our derivative instruments are subject to enforceable master netting arrangements or similar agreements. No collateral was either received or posted related to our outstanding derivative positions at June 30, 2024. If the above gross asset and liability positions were presented net of amounts owed or receivable from counterparties, we would report a net asset position of $18.5 million and $13.9 million at June 30, 2024 and December 31, 2023, respectively. All gains and losses on derivative contracts are deferred as regulatory liabilities or assets and are remitted to or collected from customers through NIPSCO's and Columbia of Pennsylvania's quarterly GCA mechanisms. Derivatives Not Designated as Hedging Instruments Commodity price risk management. We, along with our utility customers, are exposed to variability in cash flows associated with natural gas purchases and volatility in natural gas prices. We purchase natural gas for sale and delivery to our retail, commercial and industrial customers, and for most customers the variability in the market price of gas is passed through in their rates. Some of our utility subsidiaries offer programs whereby variability in the market price of gas is assumed by the respective utility. The objective of our commodity price risk programs is to mitigate the gas cost variability on behalf of our customers, associated with natural gas purchases or sales by economically hedging the various gas cost components using a combination of futures, options, forwards or other derivative contracts. At June 30, 2024 and December 31, 2023, we had 84.4 MMDth and 76.1 MMDth, respectively, of net energy derivative volumes outstanding related to our natural gas hedges. NIPSCO has received IURC approval to lock in a fixed price for its natural gas customers using long-term forward purchase instruments and is limited to 20% of NIPSCO's average annual GCA purchase volume. As of June 30, 2024, the remaining terms of these instruments range from one to three years. Likewise, Columbia of Pennsylvania has received approval for a 24-month rolling hedge program. The hedging program was executed in December 2023, with an effective date of April 1, 2024 and will continue in perpetuity. The program is designed to financially hedge approximately 20% of the customer’s annual demand. All gains and losses on these derivative contracts are deferred as regulatory liabilities or assets and are remitted to or collected from customers through the relevant cost recovery mechanism. The following table summarizes the gains and losses associated with the commodity price risk programs deferred as regulatory assets and liabilities:
(in millions) | June 30, 2024 |  | December 31, 2023
Regulatory Assets |  |  |
Losses on commodity price risk programs | $ | 11.8 |  |  | $ | 24.4 |
Regulatory Liabilities |  |  |
Gains on commodity price risk programs | 26.8 |  |  | 23.3 |
Our derivative instruments measured at fair value as of June 30, 2024 and December 31, 2023 do not contain any credit-risk-related contingent features. Derivatives Designated as Hedging Instruments Interest rate risk management. As of June 30, 2024 and December 31, 2023 we had no active interest rate swap positions. The overall net gain related to our multiple settled interest rate swaps is recorded in AOCI. We amortize the net gain over the life of the debt associated with these swaps as we recognize interest expense. These amounts are immaterial for the three and six months ended June 30, 2024 and 2023 and are recorded in "Interest expense, net" on the Condensed Statements of Consolidated Income (unaudited). Amounts expected to be reclassified to earnings during the next twelve months are immaterial. See Note 17, "Accumulated Other Comprehensive Loss," for additional information.

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