| REGULATORY ASSETS AND LIABILITIES The following regulatory assets and liabilities were reflected on our balance sheets at June 30, 2026 and December 31, 2025. For more information on our regulatory assets and liabilities, see Note 7, Regulatory Assets and Liabilities, in our 2025 Annual Report on Form 10-K. | | | | | | | | | | | | | | | | (in millions) | | June 30, 2026 | | December 31, 2025 | | Regulatory assets | | | | | | We Power finance leases | | $ | 1,164.5 | | | $ | 1,158.6 | | | Plant retirement related items | | 612.2 | | | 634.3 | | | Income tax related items | | 448.2 | | | 413.3 | | | Pension and OPEB costs | | 271.4 | | | 289.0 | | | System support resource | | 87.5 | | | 92.6 | | | Uncollectible expense | | 71.1 | | | 114.7 | | | Asset retirement obligations | | 65.0 | | | 59.7 | | | Securitization | | 63.6 | | | 67.5 | | | Electric transmission costs | | 50.0 | | | 15.3 | | | Other finance and operating leases | | 31.6 | | | 25.2 | | | Derivatives | | 14.1 | | | 9.0 | | | Bluewater Natural Gas Holding, LLC | | 10.5 | | | 13.9 | | | Other, net | | 58.5 | | | 47.9 | | | Total regulatory assets | | $ | 2,948.2 | | | $ | 2,941.0 | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | (in millions) | | June 30, 2026 | | December 31, 2025 | | Regulatory liabilities | | | | | | Removal costs | | $ | 892.9 | | | $ | 862.1 | | | Income tax related items | | 652.8 | | | 663.5 | | | Pension and OPEB benefits | | 112.5 | | | 114.6 | | | Energy costs refundable through rate adjustments | | 71.9 | | | 47.2 | | | Earnings sharing mechanism | | 27.7 | | | 29.3 | | We Power escrowed costs (1) | | 16.5 | | | 15.1 | | | Derivatives | | 14.7 | | | 6.8 | | | Other, net | | 46.4 | | | 36.0 | | | Total regulatory liabilities | | $ | 1,835.4 | | | $ | 1,774.6 | | | | | | | | Balance sheet presentation | | | | | | Other current liabilities | | $ | 10.6 | | | $ | 15.6 | | | Regulatory liabilities | | 1,824.8 | | | 1,759.0 | | | Total regulatory liabilities | | $ | 1,835.4 | | | $ | 1,774.6 | |
(1)We defer as a regulatory asset or liability the difference between actual costs associated with the We Power generation units and those included in rates until recovery or refund is authorized in a future rate proceeding.
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