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
Hall noted that data centers often require energy infrastructure upgrades to meet their needs, including substations and high-power transmission lines.
—
Keith Matheny, Freep.com, 7 Nov. 2025
The interruptions come after the company de-energized power lines into a nearby substation and isolated a portion of its natural gas system.
—Caroline Neal, Louisville Courier Journal, 5 Nov. 2025
In the last year, part of the utility’s plan to power the area includes the construction of substations, which converts high-voltage electricity to lower voltages for distribution to homes and businesses.
—Desiree Mathurin, Charlotte Observer, 4 Nov. 2025
As of Friday morning, some people reportedly remained trapped by flooding in Cauto del Paso, in the roof of a bodega and on top of a roof of the village’s electric substation, their relatives said on social media.
—Nora Gámez Torres, Miami Herald, 31 Oct. 2025
See All Example Sentences for substation
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Keith Matheny, Freep.com, 7 Nov. 2025
The interruptions come after the company de-energized power lines into a nearby substation and isolated a portion of its natural gas system.
—Caroline Neal, Louisville Courier Journal, 5 Nov. 2025
In the last year, part of the utility’s plan to power the area includes the construction of substations, which converts high-voltage electricity to lower voltages for distribution to homes and businesses.
—Desiree Mathurin, Charlotte Observer, 4 Nov. 2025
As of Friday morning, some people reportedly remained trapped by flooding in Cauto del Paso, in the roof of a bodega and on top of a roof of the village’s electric substation, their relatives said on social media.
—Nora Gámez Torres, Miami Herald, 31 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 10 Nov. 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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