What does the term 'distribution network' refer to?

The term 'distribution network' specifically refers to the part of the electrical grid that is responsible for delivering electricity directly to end users, such as residential, commercial, and industrial consumers. This network includes lower voltage distribution lines that step down the high voltage electricity from transmission lines to a usable voltage level.

In essence, the distribution network is critical because it connects the larger transmission system—which operates at higher voltages and transmits electricity over long distances—to the final delivery points where electricity is used. It comprises various components such as substations, transformers, power lines, and service connections that together ensure that electricity is safely and efficiently distributed to consumers.

Other options describe different aspects of the electrical grid. The network of generation stations pertains to where electricity is produced, while support structures for transmission lines are relevant infrastructure that uphold high-voltage lines but do not deliver power directly to users. Batteries for backup power represent a storage solution rather than the distribution mechanism of electricity. Therefore, the focus of the correct answer is accurately aligned with the definition and function of the distribution network in the electrical grid.