N.H. Rev. Stat. § 12-P:3

I. Upon the recommendation of the commissioner after consultation with division directors concerned, the governor and council are authorized to approve revisions in internal administrative departmental organization as the governor and council find from time to time may improve or make more economical the administration of the department. II. The department of energy is authorized to work with the department of business and economic affairs, the public utilities commission, and the department of administrative services to coordinate the implementation of the establishment of the department, and to transfer appropriations and create the proper expenditure lines, if needed, for the establishment of their respective operations, including but not limited to the relocation of personnel, work stations, books, papers, personnel record files, and equipment, with the approval of the governor and council and of the director of personnel. III. The department shall have the authority to petition for any proceeding before the public utilities commission and shall automatically be a party to all proceedings before the commission. Any person or party that initiates a proceeding before the public utilities commission by petition or otherwise shall provide a copy to the department at the time of filing. Any person or party filing confidential information in any proceeding in which the department may appear, or exchanging confidential information in discovery or otherwise, shall provide the department with such confidential information. In adjudicative proceedings as defined by RSA 541-A:1, I, the public utilities commission and the department shall be subject to RSA 541-A:36.