Cost of Debt Indexation Model 31 October 2015

Data

Publication date

Industry sector

  • Distribution Network
  • Transmission Network

In the RIIO Price Controls, the Corporate Debt Expenditure (CDE) variable value is updated on an annual basis with reference to a trailing average index of debt costs. This model calculates CDE for all four RIIO Price Controls that has been used for the Annual Iteration Process 2015.

  • For GD1, GT1 and most ET1 licensees, the trailing index covers a 10 year period up to the 31 October 2015.
  • For SHE-Transmission, the index also covers 10 years but with bespoke weightings.
  • For ED1 Fast-track, the trailing index covers a 10 year period up to the 31 October 2015.
  • For ED1 Slow-track, the trailing index covers a 11 year period up to the 31 October 2015, and will extend by a year at each AIP.