| May 2007 - November 2007 | Pre-construction vegetation clearing, earthworks, and roads. |
| December 2007 | Transformer to be delivered to site. Transformer dimensions are approximately 200 tonne, 11 metres long, 4.5 metres high and 3.5 metres wide. |
| November 2007 - November 2008 | Construction Period |
Neerabup terminal substation site selection sequence of events
| Mid 2003 | Identified need for major terminal substation within the northern metropolitan area |
| April 2004 |
Identified the Neerabup area as the preferred location for the new terminal substation |
| September 2004 | Project start – sites investigation begins |
| February 2005 | A degraded site within the Gnangara pine plantation (previously a piggery) belonging to the WA Planning Commission determined as a preferred site |
| May 2005 |
Western Power begins negotiations with the WA Planning Commission – owner of the piggery site. The Commission refers the proposal to the Infrastructure Coordinating Committee (ICC) |
| July 2005 | Western Power advised that the ICC has given in-principal support for the proposal subject to there being adequate investigation prior to planning and that the appropriate environmental approvals are obtained |
| August 2005 |
Negotiations begin with the Department of Environment (DoE) |
| October 2005 |
DoE advised that the terminal substation was incompatible with the Priority One groundwater protection area, requesting that the site be moved outside of the P1 area |
| November 2005 |
Negotiations begin with the Department of Conservation and Land Management (Department responsible for State Forests) on the Ziatas Road site |
| May 2006 |
Agreement reached with CALM on the Ziatas Road site |
| October 2005 | Stakeholder Reference Group (SRG) formed |
| October 2006 to February 2007 | Four SRG meetings held |
| January 2007 | Further to discussions with the Dept of Water, DPI, Local Member & Residents, a decision was reached to move the footprint of the facility, 40 metres further back from the edge of Ziatas Road, to allow for better screening opportunities. |
| February 2007 | Development application submitted |
| March 2007 |
Development Application approved by WAPC |
Page update on 13 November 2007