Deferred tax assets and liabilities included on NEP's consolidated balance sheets are as follows: The components of deferred tax assets, before valuation allowance, relating to net operating loss carryforwards and tax credit carryforwards at December 31, 2020 are as follows: ____________________ (a) Includes approximately $77 million and $4 million of federal and state, respectively, net operating loss carryforwards with an indefinite expiration period.