Public Utility Transmission Rate Changes To Address Accumulated Deferred Income Taxes

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In this final rule, the Federal Energy Regulatory Commission (Commission) is requiring public utility transmission providers with transmission formula rates under an Open Access Transmission Tariff, a transmission owner tariff, or a rate schedule to revise those transmission formula rates to account for changes caused by the Tax Cuts and Jobs Act of 2017. The Commission is requiring public utilities with transmission formula rates to include a mechanism in those transmission formula rates to deduct any excess accumulated deferred income taxes (ADIT) from or add any deficient ADIT to their rate bases. Public utilities with transmission formula rates are also required to incorporate a mechanism to decrease or increase their income tax allowances by any amortized excess or deficient ADIT, respectively. Finally, the Commission is requiring public utilities with transmission formula rates to incorporate a new permanent worksheet into their transmission formula rates that will annually track information related to excess or deficient ADIT. The Commission does not adopt the proposals in the notice of proposed rulemaking that were applicable to public utilities with transmission stated rat