Throughout the nation, local electric companies have substations positioned throughout their service areas. An electrical substation is a group of electrical equipment within an electrical network that safely delivers electricity to customers within a given area. Key components found in a substation include electrical power transformers, instrument transformers, busbars, and other components. These key components are essential for maintaining and delivering electricity to customers linked to the substation. They are easily damaged though, especially from clawing, chewing squirrels, so it is important to protect them and keep critters at bay.