It shall be the duty of every attorney for the Commonwealth to whom the Governor shall report any violation of §§ 56-512, 56-515 or § 56-517 to cause proceedings to be prosecuted without delay for the fines and penalties in such cases. The Attorney General shall be charged with the duty of enforcing all other provisions of this chapter and shall represent the Governor in all matters arising thereunder. Whenever he shall deem it in the best interest of the Commonwealth the Attorney General may employ special counsel to assist him in carrying out the duties imposed by this section and the expenses so incurred shall be considered as an expense of operation of the utility and paid in accordance with the provisions of § 56-518.