Relative efficiency assessment 2006-07
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Relative efficiency assessment 2006-07

December 2007


This year, we are reporting company's relative efficiency assessments for 2006-07 in a different way. The results of the assessment are summarised in RD21/07 below, while the supporting information includes our methodology and data needed to re-create the results.

RD21/07 Relative efficiency assessment 2006-07

Supporting information (PDF - 203Kb)
1. Unit costs analysis
2. Relative efficiency methodology
3. Progress on model development
4. Relative efficiency models
5. Model data (see below)
6. Adjustments made to the data used in the relative efficiency models

Water operating expenditure model data (Excel - 79Kb)
Sewerage operating expenditure model data (Excel - 316Kb)
Water capital maintenance expenditure model data (Excel - 100Kb)
Sewerage capital maintenance expenditure model data (Excel - 200Kb)


We welcome your views on the format of this information. Please e-mail your comments to Louise Bickley, Explain Project Manager.

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