Being a part of the electric grid also provides contingency plans for back-up power. This insures that Columbians have a reliable source of power at all times . The electric transmission network delivers electricity to Columbia's grid from outside suppliers. Agreements also exist between Columbia Water and Light and other utilities, including Kansas City Power and Light and Missouri Public Service Company. Columbia also provides transmission service and area control for the City of Fulton, Missouri, through an interchange agreement.
Electricity is delivered to the customer through the distribution system.
From the power plant and nine distribution substations electricity flows to the city's customers through 680 circuit miles of underground and overhead lines. Columbia Water and Light is responsible for construction and maintenance of transmission lines, substations and distribution lines. Crews are available around the clock to repair any problems with delivering electricity to the customer. Personnel from this division are also responsible for installing and maintaining city street lights as well as meter testing and reading.