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Energy & Renewables vocabulary · Power Generation and Power Plants

Commissioning

Meaning in energy & renewables, with examples

/kəˈmɪʃənɪŋ/nounCommon term

In energy & renewables, commissioning means: The stage at the end of construction when a new plant or system is tested, checked against its specifications and handed over for normal operation.

In Turkish: devreye alma, işletmeye alma

How it is used

A key project phase with its own team and documents. Plants go through cold and hot commissioning and performance tests before the commercial operation date (COD). The verb is commission: the wind farm was commissioned in May. People also say the plant came online.

Example sentences

  1. Commissioning of the battery system took three weeks longer than planned.

  2. The commissioning engineer signs off each test before the plant reaches COD.

Common collocations

  • commissioning phase
  • commissioning tests
  • commercial operation date
  • come online
  • commission a plant
  • decommissionTo close a power plant or other facility permanently, take it out of service and, in many cases, dismantle it and restore the site.
  • grid connectionThe physical link and the formal permission that allow a power plant, storage system or large consumer to send electricity to, or take it from, the grid.
  • power plantAn industrial facility that produces electricity on a large scale, for example by burning gas or coal, splitting atoms or using the energy of water, wind or sunlight.
  • installed capacityThe maximum power output that a power plant, or all the plants in a country, can deliver according to their design, usually given in MW or GW.

This word in other fields

The same English word can have a different meaning in another field:

More terms: Power Generation and Power Plants

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