Unless otherwise specified, as used in this rule:
where, It equals investment expenditures in year t (including financing) in nominal dollars; Mt equals operations and maintenance expenditures in year t in nominal dollars, including but not limited to return, depreciation, property taxes, and income taxes, net of tax credits that are passed on to customers; Ft equals fuel expenditures and variable operations and maintenance in year t in nominal dollars; Et equals electricity generated in year t including any degradation; r equals a discount rate equal to the utility's after-tax weighted average cost of capital as authorized in the utility's most recent rate case; and n equals the assumed lifetime of the new resource. Fuel expenditures would not be applicable for determining the levelized cost of renewable resources but may be applicable for determining the levelized cost of proposed zero-carbon resources.
N.M. Admin. Code § 17.9.572.7