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2018 Gas Rate of Return Instrument

Current Rate of Return Guidelines

The current Rate of Return Guidelines was published following a review in 2018.

Date Documents File type
18-Dec-18 Rate of Return Guidelines 2018
Adobe PDF 726 kB

Explanatory Statement

The Explanatory Statement for the Rate of Return Guidelines 2018 was published following a review in 2018.

Date Documents File type
18-Dec-18 Explanatory Statement for the Rate of Return Guidelines 2018
Adobe PDF 3.7 MB

Addendum to Explanatory Statement

In 2020, the ERA amended its method for estimating the debt risk premium to account for changes in product packages provided by its financial data provider.

Date  Documents File type
6-Oct-20 Updating DRP using R (version 3)
Adobe PDF 1.15 MB
6-Oct-20
Updating DRP using Excel (version 3)
Adobe PDF 1.08 MB
6-Oct-20
DRP Methods (version 3)
ZIP 654 kB
Page last updated: 27 Jul 2021