Notes to the Consolidated Financial Statements (unaudited)
d. Use of estimates and judgments In the application of the Corporation’s accounting policies, which are described in Note 3, management is required to make judgments, estimates and assumptions that affect the application of accounting policies and the reported amounts of assets, liabilities, revenue and expenses. Actual results may differ from these estimates. The estimates and associated assumptions are based on historical experience and other factors that are considered relevant. The estimates and assumptions are reviewed on an ongoing basis. Revisions to accounting estimates are recognized in the period in which the estimate is revised as well as any future periods affected. Information about critical judgments in applying accounting policies that have a significant effect on the amounts recognized in the condensed consolidated financial statements include: Revenue recognition related to unbilled revenue Existence of decommissioning liabilities Designation of own-use derivative contracts (Note 11) Information about significant management estimates and assumptions that have a risk of resulting in a significant adjustment within the next financial period include: Estimated unbilled revenue Expected credit losses Net realizable value of natural gas in storage held for resale (Note 4) Fair value of financial and derivative instruments (Note 5) Useful lives and depreciation rates for right-of-use (ROU) assets Useful lives and amortization rates for intangible assets Useful lives and depreciation rates for property, plant and equipment (Note 8)
Recoverable amount of non-financial assets (Note 8) Estimated unearned customer capital contributions Estimated future cost of decommissioning liabilities
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