An exemption from the gross receipts (sales tax) for certain wind equipment, provided the project is financed with Industrial Revenue Bonds (Section 7-9-54.3 NMSA 1978).
There is separate legislation allowing a county or municipality to issue IRBs for the purpose of financing electric any electric generation facility other than one for which both location approval and a certificate of convenience and necessity are required prior to commencing construction or operation of the facility, pursuant to the Public Utility Act [62-13-1 NMSA 1978].
Here is the actual language of the gross receipts exemption:
7-9-54.3. Deduction; gross receipts tax; wind energy generation equipment; sales to government agencies
Receipts from selling wind generation nacelles, rotors or related equipment to the United States or New Mexico or any governmental unit or subdivision, agency, department or instrumentality thereof, if such equipment is installed on a supporting structure, may be deducted from gross receipts.