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Data Provider: Welsh Government National Statistics Index of Electricity, Gas and Water Supply (2016=100) by year and area
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[Expand]2019(r) 98.7(r) 80.7


Welsh Indices of Production and Construction (2016 = 100)

Last update
23 April 2020 23 April 2020

Next update
July 2020

Publishing organisation
Welsh Government

Source 1
Short term output indicators, Office for National Statistics

Contact email

National Statistics

Lowest level of geographical disaggregation

Geographical coverage
United Kingdom

Languages covered
English and Welsh

Data licensing
You may use and re-use this data free of charge in any format or medium, under the terms of the Open Government License - see

General description
The data are referenced to 2016 = 100.

The complete Welsh Index of Production is comprised of 15 separate indices, weighted together using mainly weights derived from the distribution of gross value added (GVA) for Wales. In addition, the Welsh Index of Construction is published as a separate index.

All of these indices have been seasonally adjusted to remove any variation associated with the time of year except for CB, CC; CD; CK and F. These show little evidence of a strong seasonal pattern and are used in their unadjusted form.

Estimates for individual quarters fluctuate due to random sampling error and emphasis is usually placed on changes in the average of the latest 4 quarters, or on the annual averages.

Data collection and calculation
The data are jointly produced by the Welsh Government and the Office for National Statistics.

Comparable data giving the equivalent indices for the UK as a whole are also included in this dataset.

Frequency of publication

Data reference periods
1998 to 2019

Revisions information
Due to the seasonal adjustment methodology, estimates for previous quarters are subject to revision when a further quarter is added.

Statistical quality
Please see the statistical quality report via the weblinks.

Index of Production; Index of Construction; Short term output indices; STOI