in operation since

USAGE SUMMARY

The phrase "in operation since" is correct and can be used in written English.
It is typically used in the context of describing something that has been running or in operation since a certain period of time. For example, "The factory has been in operation since 1956."

✓ Grammatically correct

News & Media

Science

Encyclopedias

Wiki

Human-verified examples from authoritative sources

Exact Expressions

40 human-written examples

The lab has been in operation since 1947.

The New York Times

The mobile unit has been in operation since June , 1960

The New Yorker

It has only been in operation since 1995.

The New York Times

Barkley Dam (in operation since 1966) controls the lower river.

Encyclopedia Britannica

Newcastle's Theatre Royal – in operation since 1837 – lost all local authority funding.

The Guardian - Opinion

DC's system was one of the first: it has been in operation since 2005.

The Economist

Human-verified similar examples from authoritative sources

Similar Expressions

20 human-written examples

A subway system has been in operation since 1986.

Encyclopedia Britannica

Doubles from $124 A Boulder institution, in operation since New Year's Day 1909.

The Guardian - Travel

His Garden City, Kan., plant has been in operation since 1982.

The New York Times

Marty's, which has been in operation since 1974, sells upscale shoes at reduced prices.

The New York Times

The ban on Czech productions of his work had remained in operation since 1969.

The New Yorker

Expert writing Tips

Best practice

When using "in operation since", ensure that the subject is something that can logically be "in operation", such as a business, system, or machine. Avoid using it for abstract concepts or events.

Common error

A common mistake is to use "in operation since" with a subject that doesn't logically fit, or to mismatch the tense. For example, avoid saying "The idea is in operation since last year"; instead, use "The idea has been in development since last year".

Linguistic Context

The phrase "in operation since" functions as a prepositional phrase modifying a noun or noun phrase. It indicates when something began its operational activity and implies that it is still ongoing. Ludwig AI confirms its proper use in English.

Expression frequency: Common

Frequent in

News & Media

37%

Science

33%

Encyclopedias

14%

Less common in

Wiki

10%

Formal & Business

0%

Reference

0%

Ludwig's WRAP-UP

The phrase "in operation since" is a prepositional phrase used to indicate the starting date of an ongoing activity or state, deemed correct by Ludwig AI. It commonly appears in various contexts, including news, scientific reports, encyclopedias, and wikis. Its primary function is to provide temporal context and establish the duration of something's active status. While grammatically sound, it's crucial to use it with subjects that logically fit the concept of being "in operation". Alternatives like "functioning since" or "running since" can be used depending on the desired nuance. Remembering these tips ensures clarity and precision in writing.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

functioning since

Replaces "in operation" with "functioning", keeping the temporal aspect but changing the verb.

in service since

Replaces "in operation" with "in service", suitable for machinery or systems.

running since

Substitutes "in operation" with "running", implying a continuous activity from a specific time.

active since

Uses "active" instead of "in operation", focusing on the state of being engaged or working from a particular time.

has been running from

Reorders the phrase to emphasize the duration using "has been running".

started operating in

Rephrases the sentence to emphasize the beginning of the operation.

operational from

Changes the word order and uses "operational" instead of "in operation".

established in

Shifts the focus to the establishment date, omitting the continuous operation aspect.

open since

A more concise way of saying "in operation since", often used for businesses.

commenced operations in

Uses more formal language to describe the start of operations.

FAQs

How do I use "in operation since" in a sentence?

Use "in operation since" to indicate the starting point of a process, system, or organization's activity. For example, "The factory has been in operation since 1980".

What can I say instead of "in operation since"?

You can use alternatives like "functioning since", "running since", or "active since" depending on the context.

Is it correct to say "in operation from" instead of "in operation since"?

While "in operation since" indicates a starting point and continuing activity, "in operation from" typically requires a second date or time to indicate a range. For example, "in operation from 2000 to 2010".

What's the difference between "established in" and "in operation since"?

"Established in" refers to the founding date, while "in operation since" emphasizes the continuous activity from a specific time. A company could be "established in 1990" but only "in operation since 2000".