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
Under Ignacio Madridejos, its CEO since 2019, the onetime supplier to Spanish railways has become one of the leading infrastructure companies in North America, with a pipeline of projects from power substations to the soon-to-open Terminal 1 at New York’s JFK International Airport.
—
Andrew Edgecliffe-Johnson, semafor.com, 9 Jan. 2026
It's intended to increase service and reliability for MLGW customers — MLGW President and CEO Doug McGowen said the goal was to replace two substation transformers, 10 substation circuit breakers, 2,100 distribution poles and 90,000 feet of defective underground cable each year.
—Jack Armstrong, Memphis Commercial Appeal, 7 Jan. 2026
Fire extinguishers were missing from one of the utility’s San Francisco substations.
—Ethan Baron, Mercury News, 7 Jan. 2026
The company has reviewed more than 800 potential sites across North America — weighing land, substations, and transmission capacity.
—Mackenzie Sigalos, CNBC, 1 Jan. 2026
See All Example Sentences for substation
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Andrew Edgecliffe-Johnson, semafor.com, 9 Jan. 2026
It's intended to increase service and reliability for MLGW customers — MLGW President and CEO Doug McGowen said the goal was to replace two substation transformers, 10 substation circuit breakers, 2,100 distribution poles and 90,000 feet of defective underground cable each year.
—Jack Armstrong, Memphis Commercial Appeal, 7 Jan. 2026
Fire extinguishers were missing from one of the utility’s San Francisco substations.
—Ethan Baron, Mercury News, 7 Jan. 2026
The company has reviewed more than 800 potential sites across North America — weighing land, substations, and transmission capacity.
—Mackenzie Sigalos, CNBC, 1 Jan. 2026
See All Example Sentences for substation
Cite this Entry
“Substation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/substation. Accessed 13 Jan. 2026.
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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