The ERA undertook its third review of developing a five year WACC methodology to apply to railways under the WA rail regime (any railway established under the railways code 2000) in 2013.
In undertaking this review the ERA published an issues paper seeking submissions on two separate rail processes regarding the WACC:
an update of the WACC values to apply to regulated railway networks as at 30 June 2013 and
a review of the methods for calculating the WACC values to apply from 30 June 2014.
And then issued its Draft and Final determinations.
In undertaking this process the ERA worked in parallel to finalise rate of return guidelines for gas transmission and distribution networks, pursuant to the National Gas Rules.
The ERAs final determination on the rail WACC method was completed in time to be considered in the 2014 rail WACC determination.