sub·sta·tion | \ ˈsəb-ˌstā-shən \

Definition of substation 

: 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

Christopher Dickinson, of Arlington, was found in the car outside the Chelan substation, with the keys in the ignition. Pete O’cain, The Seattle Times, "Snohomish County deputy prosecutor arrested on alcohol-related charge," 2 July 2018 An array of Tesla Powerpacks — the industrial-size batteries helping power a Hawaiian island and part of Australia — may soon plug in to a Pacific Gas and Electric Co. substation in Moss Landing (Monterey County). David R. Baker,, "PG&E, Tesla team up on big batteries," 29 June 2018 The site was chosen because of its proximity to an electricity substation, ensuring that it would be connected to the grid. Keith Bradsher, New York Times, "Free Power From Freeways? China Is Testing Roads Paved With Solar Panels," 11 June 2018 Plus, a substation breaker tripped, knocking out power for customers between Airline and Lafreniere Park along David Drive. Carlie Kollath Wells,, "Thousands without power in New Orleans, Jefferson Parish: Entergy," 6 Mar. 2018 Not counting the nine new CVS stores, the task force lists 50 different drop-off locations, and most are inside local police stations or sheriff’s department substations. Paul Sisson,, "CVS pharmacies add medication disposal units in San Diego," 13 July 2018 Rogers declined to elaborate on why the boy chose to climb the substation pole, which is located off Beaver Dam Road in Plymouth. J.d. Capelouto,, "15-year-old in serious condition after falling 25 feet from power line in Plymouth," 26 June 2018 China is adding solar and wind energy sites so fast across the country that power generation projects farther from substations sometimes face delays of years in getting connected. Keith Bradsher, New York Times, "Free Power From Freeways? China Is Testing Roads Paved With Solar Panels," 11 June 2018 In addition, his resolution calls for: Creating a police substation at the high school, which falls under a separate school board, and parking a police car outside the building as a deterrent. Annysa Johnson, Milwaukee Journal Sentinel, "Ex-lawmaker Don Pridemore pitches gun option for teachers in his home school district," 20 Mar. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'substation.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of substation

1833, in the meaning defined above

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Last Updated

14 Sep 2018

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Time Traveler for substation

The first known use of substation was in 1833

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English Language Learners Definition of substation

: a place where the strength of electricity is changed as the electricity passes through on its way from the power plant to homes and businesses

: a police station that serves a particular area

More from Merriam-Webster on substation

See words that rhyme with substation Encyclopedia article about substation

Comments on substation

What made you want to look up substation? Please tell us where you read or heard it (including the quote, if possible).


occurring twice a year or every two years

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