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Basis of presentation (Policies) | 9 Months Ended
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Sep. 30, 2025
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Basis of presentation | The accompanying unaudited condensed consolidated financial statements have been prepared in conformity with accounting principles generally accepted in the United States of America (GAAP) for interim financial information, the instructions to SEC Form 10-Q and Article 10 of Regulation S-X. Accordingly, they do not include all of the information and footnotes required by GAAP for complete financial statements. In preparing the unaudited condensed consolidated financial statements, management is required to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the balance sheet and the reported amounts of revenues and expenses for the period. Actual results could differ significantly from those estimates.
Assets held for sale and discontinued operations | Assets held for sale and discontinued operations. In June 2025, the Company determined the net assets of our remaining Pacific Current operating subsidiaries met the criteria for classification as held for sale. The assets and liabilities of these subsidiaries were recorded at the lower of their carrying amount or estimated fair value less expected costs to sell. The Company sold Pacific Current’s solar and Battery Energy Storage System facilities in August 2025 (Solar Asset Disposition). The assets and liabilities of Pacific Current’s remaining biomass facility has been reclassified as “Assets held for sale” and “Liabilities held for sale,” respectively, in the Condensed Consolidated Balance Sheets as of September 30, 2025. The Company determined that the sale of these assets and the planned sale of the remaining asset did not represent a strategic shift having a major effect on the Company’s operations and financial results, and therefore did not meet the criteria for classification as discontinued operations.Since ASB was sold in December 2024, all ASB operating results are presented as discontinued operations in the condensed consolidated statements of income and cash flows. Unless otherwise noted, reference within the following notes to condensed consolidated financial statements exclude discontinued operations.
Recent accounting pronouncements | Recent accounting pronouncements. Income taxes. In December 2023, the Financial Accounting Standards Board (FASB) issued Accounting Standards Update (ASU) No. 2023-09, Income Taxes (Topic 740): Improvement to Income Tax Disclosures to enhance the transparency and decision usefulness of income tax disclosures. The amendments are effective for annual periods beginning after December 15, 2024. These amendments apply on a prospective basis with a retrospective option. Early adoption is permitted. The Company is currently evaluating the impact of this amendment on the Company’s consolidated financial statements and does not expect the adoption to have a material impact on its consolidated financial statements. Climate-related disclosures. In March 2024, the SEC issued final climate-related disclosure rules under SEC Release No. 33-11275, The Enhancement and Standardization of Climate-Related Disclosures for Investors (climate disclosure rules). The rules will require annual disclosure of material greenhouse gas emissions as well as disclosure of governance, risk management and strategy related to material climate-related risks. In addition, the rules require (i) financial statement impacts of severe weather events and other natural conditions; (ii) a roll forward of carbon offset and renewable energy credit balances if material to the Company’s plan to achieve climate-related targets or goals; and (iii) material impacts on estimates and assumptions in the financial statements. The disclosure requirements will begin phasing in for annual periods beginning with calendar year 2025. In April 2024, the SEC voluntarily stayed implementation of its climate disclosure rules pending completion of judicial review by the Court of Appeals for the Eighth Circuit. In March 2025, the SEC voted to end its defense of its new rules requiring disclosure of climate-related risks and greenhouse gas emissions. The Company is monitoring further SEC developments and final rulings with respect to the applicability of this final rule. Income statement disclosures. In November 2024, the FASB issued ASU No. 2024-03, “Income Statement – Reporting Comprehensive Income – Expense Disaggregation Disclosures (Subtopic 220-40)”. The guidance requires more detailed information about specified categories of expenses included in certain captions presented on the face of the income statement. ASU No. 2024-03 is effective for annual periods beginning after December 15, 2026, and interim periods beginning after December 15, 2027. Early adoption is permitted. The Company is currently evaluating the impact of this amendment on the Company’s consolidated financial statements. Internal -use software disclosures. In September 2025, the FASB issued ASU No. 2025-06, “Intangibles—Goodwill and Other—Internal-Use Software: Targeted Improvements to the Accounting for Internal-Use Software”. The guidance removes all references to project stages in software development and requires capitalization of internal-use software costs to begin when management has authorized and committed to funding the project and it is probable the project will be completed and used to perform the intended function. ASU No. 2025-06 is effective for annual reporting periods beginning after December 15, 2027, and interim reporting periods within those annual reporting periods, with early adoption permitted. The Company is currently evaluating the impact of this amendment on the Company’s consolidated financial statements.
Fair value measurements | The following are descriptions of the valuation methodologies used for assets and liabilities recorded at fair value and for estimating fair value for financial instruments not carried at fair value: Money market mutual funds. The Company considers all liquid investments purchased with an initial maturity of three months or less and deposits in money market mutual funds that are readily convertible into cash to be cash equivalents. The carrying value of cash and cash equivalents approximates fair value due to the short-term nature of these instruments. Short-term borrowings. The carrying amount of short-term borrowings approximated fair value because of the short maturity of these instruments. Long-term debt. Fair value of fixed-rate long-term debt was obtained from third-party financial services providers based on the current rates offered for debt of the same or similar remaining maturities and from discounting the future cash flows using the current rates offered for debt of the same or similar risks, terms, and remaining maturities. The carrying amount of floating rate long-term debt approximated fair value because of the short-term interest reset periods. Long-term debt is classified in Level 2 of the valuation hierarchy. Interest rate swaps. The Company measures its interest rate swaps at fair value. The fair values of the Company's interest rate swaps are based on the estimated amounts that the Company would receive or pay to terminate the contracts at the reporting date and are determined using interest rate pricing models and interest rate related observable inputs. The fair values of the Company's interest rate swaps are classified as a Level 2 measurements. The sale of solar and BESS facilities (See Note 3) included variable interest rate debt assumed by the buyer as part of the transaction. As a result of the sale, the interest rate swap agreements that had been designated as cash flow hedges of interest payments were terminated. The derivatives had a notional amount of $27.8 million and a fair value of $1.0 million at termination. $0.8 million, net of taxes, was reclassified from other comprehensive income to earnings. The terminated swaps were previously classified as Level 2 instruments under the fair value hierarchy. Derivatives measured at fair value on a recurring basis were previously included in “Other noncurrent assets” and “Other noncurrent liabilities” in the Condensed Consolidated Balance Sheets.

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