ConnellGriffin’s engagement and methodology was delivered over three phases:
Phase 1:
A Strategic Appraisal of a significant project was undertaken to determine the overall cost effectiveness of GWA’s current contract strategy. This phase sought to assess the adequacy of competitive tension through the procurement phase and also how this project performed commercially through the delivery phase. Variations and other cost drivers were identified to provide an overall end cost for the project. The overall project cost was then broken down into a cost per wind turbine, with cost modifiers then applied specific to the unique risks and site-specific factors of a large upcoming wind farm development selected by GWA. This methodology provided the framework to assess the commercial risks for the selected project and determine the options and values of different packaging and contract delivery options, which were then explored in Phase 2.
Phase 2:
This phase focused on the Contract Strategy Development of shortlisted options identified in Phase 1. This exercise included an assessment of GWA’s viable supply chain and further development of indicative costs, resourcing, schedules, commercial risks and associated contingencies for each shortlisted option. Other options were also identified and considered at portfolio level and presented as additional opportunities to drive down costs. The suitability of the shortlisted options were then assessed against a series of criteria agreed with GWA and a preferred option was selected.
Phase 3:
The team delivered detailed recommendations regarding the selection, verification and implementation of the preferred option, including an implementation plan with associated timeframes.
Construction costs (capital cost) are one of the most significant contributors to the levelised cost of energy - and the civil and electrical balance of plant (BOP) works have a key impact on construction costs.
As part of GWA’s initiative to reduce the levelised cost of energy across its projects, GWA’s pre-contracts team engaged ConnellGriffin to explore how different contracting models can reduce construction expenditure for BOP works and how these changes may affect the overall risk profile for GWA during the pre-contract and delivery phases of its projects.
ConnellGriffin’s detailed report delivered the following key outcomes to GWA:
Phase 1:
Phase 2:
Phase 3:
EnergyConnect is a new energy infrastructure project that will enable greater sharing of electricity between NSW, Victoria and South Australia for the first time.
Project EnergyConnect is a joint project between TransGrid, NSW’s transmission network service provider, and ElectraNet, South Australia’s provider.
The Project involves building a 900 km-long connection between multiple transmission networks that allows power to flow between South Australia and NSW, with an added connection into Victoria. Transgrid is constructing the section from Wagga Wagga to the NSW border with South Australia, which is about 700km.
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