199—1.4 (17A,474) Duties of the board. The utilities board regulates electric, gas, telephone, telegraph, and water utilities; and pipelines and underground gas storage. The board regulates the rates and services of public utilities pursuant to Iowa Code chapter 476; certification of electric power generators pursuant to chapter 476A; construction and safety of electric transmission lines pursuant to chapter 478; and the construction and operation of pipelines and underground gas or hazardous liquid storage pursuant to chapters 479, 479A and 479B.