Yarranlea solar farm is a 100MW photovoltaic (PV) solar farm being developed in Queensland, Australia. Risen Energy acquired the solar farm from previous developer Yarranlea Solar in February 2018.
The project is expected to generate 264GWh of electricity a year, which will be sufficient to power 32,000 households, while offsetting 124,000t of carbon emissions a year. It is expected to create approximately 200 jobs during the construction phase and up to five jobs in the operational phase.
Construction of the solar farm was started in May 2018 and is expected to be completed by October 2019. The project is expected to have a life of 30 years.
Yarranlea solar project development details
The Yarranlea solar farm is being developed in four phases, with the first phase involving the installation of solar PV panels to generate approximately 40MW. The substation and the 110kV connection components will be installed within the first stage development.
The project is currently in the second phase of construction, which aims to install 20MW of capacity in a land parcel of 50ha.
The third and fourth phases will involve the installation of an additional 20MW each. Three existing farm buildings will be cleared and replaced with a farm storage shed as part of the fourth phase.
Yarranlea solar project location and make-up
Yarranlea solar farm is located on a 250ha farmland near Pittsworth, towards the west of Toowoomba. It is situated 170km west of Brisbane on the Darling Downs in Queensland, Australia.
The project will consist of more than 360,000 solar panels mounted on a single-axis tracking system. Panels will be fixed on monopole structures arranged in solar arrays and positioned 1.2m above ground level.
The structures will be supported by steel screw piles, steel driven piles, or FRP composite drive piles. The panels will be supported on steel frames and will track the movement of the sun.
Permanent motion-sensitive and directional security lights will be installed at the facility as part of the security measures. The solar farm will be operated from a control building, to be constructed near the substation.
Yarranlea solar project construction
Initial works at the Yarranlea solar project include the earthworks for preparing the installation of solar panels and substation equipment. It will be followed by the installation of a photovoltaic panel system and inverters, transformers, and electrical collector system.
Power transmission from Yarranlea solar farm
Power generated by the solar panels will be supplied to a 33kV / 110kV substation using an underground reticulation system.
The voltage will be stepped-up to 110kV before transferring the electricity to the existing Ergon Energy 110kV network and further to the Middle Ridge Bulk supply substation for supplying to the consumers in Toowoomba and Darling Downs.
The direct current (DC) produced will be converted to grid-compatible alternating current (AC) by a central skid-mounted inverter / transformer station installed within the power block.
Monford Group was awarded a $50m contract for the construction of the Yarranlea solar farm, while Byrne Surveyors conducted the survey works for construction monitoring.
Sedl Civil Contractors are responsible for the bulk earthworks for the solar farm substation, while Yurika was engaged for the installation works.
I3 Consulting performed the engineering consulting works, while Ecology and Heritage Partners drafted the ecological assessment report.
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