I sure didn't hear about this on the local news. PNM is the big utility company that provides electricity and gas for ABQ residents.
The National Labor Relations Board has ruled that the Public Service Company of New Mexico violated federal labor law on several occasions in connection with employee grievances and union activities.

In a March 27 ruling, a three-member NLRB panel found that PNM improperly interrogated employees about union activities, threatened employees if they engaged in union activities and denied employees the union representative of their choice during disciplinary proceedings.
NLRB rules against PNM - Albuquerque Business First