13 January 2012
Barnes Hill Electricity Connection Update ASX Release Stock Code: PRW Proto Resources & Investments Ltd ("Proto", "the Company") has set electricity usage parameters for the Barnes Hill project. This has allowed a revised Connection Enquiry to be submitted to Transend Networks Pty Ltd ("Transend"), the Tasmanian government's transmission network operator. Proto expects a response early in 2012 setting out the timeline for connection works. Executive Summary• Proto formally lodged a revised connection enquiry with Transend. Transend's response will set- out the plan for detailed design and construction of the electricity infrastructure for Barnes Hill.
• The estimated maximum power demand for the site is 22.5MW (approximately 25MVA) on expected energy consumption of approximately 16 GWh per month.
Connection Request Submitted
In late December 2011, Proto formally lodged a revised
connection enquiry request with Transend, the Tasmanian
transmission network operator. The enquiry sets firm usage
parameters in relation to the Barnes Hill nickel-cobalt
project located approximately 5 km west of Beaconsfield,
Tasmania. The power usage at Barnes Hill will enable the
extraction of iron and magnesium products in addition to the
nickel and cobalt produced, enhancing project economics and
drastically reducing the environmental footprint.
The enquiry was submitted in accordance with Clause 5.3.2 of
the National Electricity Rules ("NER") to provide an 110kV
connection to Transend's network. Proto has also advised
Transend to consider the construction of the transmission
line along with the required 110/22kV site substation that
will step-down the power for mine site usage. Proto considers
that Transend is well positioned and experienced to provide
this service in line with Proto's operational requirements
and so is seeking to have Transend provide the complete
connection package. The layout of onsite transmission is
shown in Figure 1 below.
The estimated maximum power demand for the site is 22.5MW
(approximately 25MVA) on expected energy consumption of
approximately 16 GWh per month. The electrolytic processing
plant will involve four stages, each with various stack
configurations of electrolytic cells. These electrolytic
cells will be supplied via rectifiers and this will comprise
approximately 85% of the connected load at Barnes Hill.
Figure 1 - Barnes Hill electricity route (pink crossed line)
Transend has advised that it explicitly recognises that
electricity infrastructure for mining needs to be location
suitable and constructed to a specification that reflects the
life of the mine. This gives Proto great confidence in the
solution that will be pursued at Barnes Hill.
Proto Managing Director Mr Andrew Mortimer commented; "This
is another important step forward for the development of the
Barnes Hill nickel project. We have been working with our
joint venture partner and consulting engineers for a while
now to firm up our detailed request for electrical power. We
look forward to achieving other advanced milestones on the
path towards commissioning the Barnes Hill project."
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Enquiries:
Mr Andrew Mortimer
Managing Director
Proto Resources & Investments Ltd
Office: +61 (2) 9225 4000
Mobile: +61 (0)433 894 923
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Barnes Hill Electricity Connection Update |