substation
noun
sub·sta·tion
ˈsəb-ˌstā-shən 
: a subordinate or subsidiary station: such as
a
: a branch post office
b
: a subsidiary station in which electric current is transformed
c
: a police station serving a particular area
Examples of substation in a Sentence
Recent Examples on the Web
In a statement, the utilities said that 55% of wooden transmission poles are more than 60 years old, and some equipment in the substations is nearly 100 years old.
—
Caroline Neal, Louisville Courier Journal, 22 Oct. 2025
Bowlin said the substation is designed to protect the equipment in that event.
—Nicole Blanchard, Idaho Statesman, 20 Oct. 2025
Two weeks ago, a Russian strike on a Ukrainian energy substation in the city of Slavutych caused a blackout that lasted more than three hours at the former Chernobyl nuclear power plant.
—Caitlin Danaher, CNN Money, 18 Oct. 2025
They were used to build the new Terminal 1 at San Diego International Airport, the sheriff’s Ramona substation and the San Diego Trolley’s Blue Line extension to University City.
—David Garrick, San Diego Union-Tribune, 16 Oct. 2025
See All Example Sentences for substation
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Caroline Neal, Louisville Courier Journal, 22 Oct. 2025
Bowlin said the substation is designed to protect the equipment in that event.
—Nicole Blanchard, Idaho Statesman, 20 Oct. 2025
Two weeks ago, a Russian strike on a Ukrainian energy substation in the city of Slavutych caused a blackout that lasted more than three hours at the former Chernobyl nuclear power plant.
—Caitlin Danaher, CNN Money, 18 Oct. 2025
They were used to build the new Terminal 1 at San Diego International Airport, the sheriff’s Ramona substation and the San Diego Trolley’s Blue Line extension to University City.
—David Garrick, San Diego Union-Tribune, 16 Oct. 2025
See All Example Sentences for substation
Cite this Entry
“Substation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/substation. Accessed 29 Oct. 2025.
Copy CitationKids Definition
substation
noun
sub·sta·tion
ˈsəb-ˌstā-shən
1
: a branch post office
2
: a subsidiary station in which electric current is transformed
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