Every person engaged in the business of manufacturing, generating or selling electric power in this State shall provide himself with and keep the necessary instruments to show the amount of electric power manufactured, generated or sold, expressed in kilowatt hours, and shall keep permanent, legible records showing the amount of power, expressed in kilowatt hours, manufactured, generated or sold each day. Such records and instruments shall be subject to examination by the department or its duly authorized representatives at any time during business hours, and the department may enter upon the premises of any taxpayer and examine, or cause to be examined, any of the instruments, books, records, and other property of any such person and secure any other information directly or indirectly concerned in the enforcement of this article.
Any person required to keep the necessary instruments or records prescribed in this section shall be subject to a penalty of one hundred dollars per day for each day's omission to keep either such required instruments or required records. Such penalties shall be collected in the same manner as provided in this article for the collection of delinquent taxes.