(a) Each public utility shall furnish and maintain adequate, efficient, and safe service and facilities. This service shall be reasonably continuous and without unreasonable interruption or delay.

(b) Subject to the provisions of this chapter and the regulations or orders of the commission, a public utility may establish reasonable rules and regulations governing the conditions under which it will render service.

(c) The commission may upon its own motion or upon complaint, after providing reasonable notice and opportunity for hearing, adopt as to service and facilities, including the crossing of facilities, just and reasonable standards, classifications, regulations, and practices to be furnished, imposed, observed, and followed by public utilities; adopt adequate and reasonable standards for the measurement of quantity, quality, pressure, initial voltage, or other conditions pertaining to the supply of the service of public utilities; adopt reasonable regulations for the examination and testing of the service, and for the measurement of it; adopt or approve reasonable regulations, specifications, and standards to secure the accuracy of meters and appliances for measurement; and provide for the examination and testing of appliances used for the measurement of a service of a public utility. In doing so, the commission shall conform to the standard practices of the industry.

(d) If the commission upon its own motion or upon complaint, after providing reasonable notice and opportunity for hearing, finds that the service or facilities of a public utility are unreasonable, unsafe, inadequate, insufficient, or unreasonably discriminatory, or otherwise in violation of this chapter, the commission shall prescribe, by regulation or order, the reasonable, safe, adequate, sufficient service or facilities to be observed, furnished, enforced, or employed, including all repairs, changes, alterations, extensions, substitutions, or improvements in facilities that are reasonably necessary and proper for the safety, accommodation, and convenience of the public.