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Key projects
Prysmian has been involved in some of the most important submarine power
links executed in recent years throughout the world, such as the link between Italy and Greece (the
deepest ever) the
NEPTUNE
(a submarine link between New Jersey and Long Island) and the
BassLink
(between the Australian states of Tasmania and Victoria) which at 295 kilometres is currently
one of the longest in the world.
The Group is currently engaged in several other major projects including SA.PE.I. (a
submarine link of 400 kilometres between Sardinia and mainland Italy which will be the deepest and
among the longest ever realized) and GCCIA (a submarine interconnection between Saudi Arabia and
Bahrain). As for high and extra high voltage underground links, the Group has contributed to the
execution of the power transmission networks of some of the largest cities in the world, including
New York, London, Paris, Madrid, Singapore, Hong Kong, Buenos Aires, Milan and Rome.
In the Telecom business, Prysmian has recently carried out several major projects in the
U.S.A (Fibre to The Home infrastructure by Verizon), China ( Three Gorges Hydro-Electric Scheme by
Chinese State Grid Corporation), and Lybia (LPTIC, network upgrade of Lybian Post,
Telecommunications and Information Company).
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BASSLINK
THE PROJECT
Energy interconnection between the State of Victoria (Australia mainland) and
the island of Tasmania.
The longest High Voltage Direct Current submarine links ever
ROUTE LENGTH
300 km submarine portion
8 km (6.5 + 1.5) land portions
TRANSMITTED POWER
500 MW continuously
Up to 630 MW peak
VOLTAGE
500 kV DC
CABLES
HVDC (M. I.) 1500 mm2 (sub) / 2000 mm2 (land)
MV Metallic Return (XLPE) 1400 mm2
12 F.O.
INSTALLATION
Submarine
C/S Giulio Verne - 3 campaigns:
May/June 2004, Jan/Feb 2005, June July 2005
2 sets of sea jointing operations
Cables laid in bundle configuration
Land
Direct buried in trench |
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NEPTUNE
THE PROJECT
Electric transmission line between Long Island and New Jersey. Built using a
state-of-the-art undersea transmission technology,the Interconnection represents an environmentally
friendly solution for Long Island to access competitively priced power resources on the US mainland
without building new "on-island" power generation facilities
ROUTE LENGTH
82 km submarine portion
20 km land portion
TRANSMITTED POWER
660 MW
VOLTAGE
500 kV DC
CABLES
Submarine and Land
HVDC (M. I.) 2100 mm2
MV Metallic Return (XLPE) 2000 mm2
2 F. O.
Land only
1x1600 mm2 XLPE 345 kV AC
1x2500 mm2 XLPE 230 kV AC
INSTALLATION
Submarine
Barge Prysmian I and C/S Giulio Verne
Land
HDD (Horizontal Directional Drilling) in conduit
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RANDSTAD 380
THE PROJECT
High Voltage underground link for the upgrading and the expansion of the power grid in a
densely populated western area of the Netherlands close to Rotterdam
ROUTE LENGTH
13.5 km
VOLTAGE
400 kV
CABLES
XLPE 1x1600 mm2
INSTALLATION
HDD (Horizontal Directional Drilling) in conduit
Water circulation cooling system
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SA.PE.I.
THE PROJECT
Submarine power link between the Sardinian transmission network and the Italian Peninsula
mainland.
A milestone in terms of transmitted power and maximum depth
ROUTE LENGTH
2x420 km (submarine+land approx 15 km)
TRANSMITTED POWER
1000 MW (Bipolar configuration 2x500 MW)
VOLTAGE
500 kV DC
CABLES
HVDC (M. I.) 1150 mm2 Al
INSTALLATION
Submarine
C/S Giulio Verne
Maximum depth: 1650 m
Land
Direct buried in trench
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TURBIGO-RHO
THE PROJECT
High Voltage underground cable system for the completion of the Milan electric ring and the
strategic strenghtening of the Northern Italy power transmission network
ROUTE LENGTH
8 km
VOLTAGE
400 kV
CABLES
XLPE 1x2000 mm2
INSTALLATION
Direct buried in trench
HDD (Horizontal Directional Drilling) in pipe
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VERIZON
THE PROJECT
Since 2003 Prysmian has been supplying a significant proportion of Verizon's cable
requirements incorporating the latest develoments in optical fibre technology.
Verizon is currently building the largest FTTH network in North America allowing it to
deliver high speed broadband services to its customers. All cables are produced at Prysmian's
cabling facility in Lexington, South Carolina
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LPTIC
THE PROJECT
Network upgrade of Libyan Post, Telecommunications and Information Company, LPTIC, across
Northern and Western Libya
ROUTE LENGTH
6,300 km of Prysmian terrestrial optical cable
CABLE DESIGN
Double sheath dielectric, multi loose tube containing from 24 to 96 optical fibres
INSTALLATION
Direct buried - in collaboration with Italian contractor
SIRTI - 18 month installation period
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3 GORGES
THE PROJECT
Three Gorges Hydro-Electric scheme - China.
Providing communication and system control for this major infrastructure project of the
Chinese State Grid Corporation
ROUTE LENGTH
More than 1000kms in the Changzhou region
CABLE DESIGN
Optical Ground Wire (OPGW) containing 16 fibres
INSTALLATION
Overhead installation on 500 kV DC power transmission line
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