the contract was divided in two stages: Project Construction and
As a result of Decree
1174/92 that instructed the Secretariat of Electric Energy
to privatize the power transmission system associated with the Yacyretá
electric Power Station, an international tender was called
for the construction,
operation and maintenance of the first 500 kV electric link between
Hydroelectric Power Station, in the province of
Corrientes, and the Resistencia
Substation, in the province of Chaco. The
project is the first link of the nation's
interconnected 500 kV system. On February 22, 1993 the
project was awarded
by national executive Decree 273/93 to YACYLEC, and work commenced
March the same year.
Start-Up of Commercial Operation, which was set for
September 1, 1994, and
Project Operation and Maintenance, whereby YACYLEC is
granted the right to
operate and maintain the power line for 95 years from the date of
start-up of its
and supply of materials demanded an investment
of around 130
million US dollars.
of the Project was done through direct contributions
from the share-
holders, export loans from Italy and Spain, and commercial
financing on a risk-
project basis with funds from the International Finance
Corporation and foreign
private banks syndicated by IFC.
The call for
tenders was based on a basic blueprint designed by Agua
and the Yacyretá Special Unit for an Energy Transmission System
Based on these
guidelines, the Power Lines and Substation Engineering
ments made a complete appraisal of the Project, drew
up calculation protocols
and basic and detail engineering for construction, thus
for the Project.
incorporated to the Project were factory-tested in accordance
the Project's technical specifications, followed by type and batch tests.
the construction proper, YACYLEC set up its own in-situ quality
the participation of soils experts, a concrete
laboratory, and an independent
technical auditing office for the civil engineering work and monitoring
structures and foundations.