Ofwat's unit costs and relative efficiency report 2006/2007

Ofwat's annual report (34 pages, PDF) on relative efficiency econometric models and unit cost comparisons, using data for the financial year 2006/2007. Ofwat has also released a covering letter (7 pages, PDF) and the data used (four Microsoft Excel files). These data include sub-company/sub-activity numbers for sewerage which are not yet available as part of the published version of the 2007 June returns.

For further information or advice please contact Franck Latrémolière.

Filed under Ofwat, Price controls, Water.

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