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Energy
INTEGRATED HYDROELECTRIC SYSTEM OF
GUAYLLABAMBA
This integrated hydroelectric system located in
the Guayllabamba river basin is comprised of 11
separate hydrocentres, namely: Chespi, Villadora,
Chontal, Calderón, Cubi, Palma Real, San Pedro,
Chirapí, Mandarayacu Grande, Tortuga and Llu-
rimaguas. The project will generate 1670 mega-
watts, important progress for a country that will
supposedly require 5277MW by 2020.
SOPLADORA
After the successful completion of the Mazar Proj-
ect, Hidropaute has taken charge of the construc-
tion of Sopladora, another hydroelectric projected
based downstream from the Molino Central project.
The plant will collect turbined water flows of up to
150m³/s, directly from the two discharge tunnels of
the Central Paute-Molino, and will drive this water
through to the underground powerhouse through a
system of high pressure tunnels stretching across
5.5km.
Sopladora will have three generating units de-
signed for a flow of 150 m³/s with a net height of
361.9 metres. The plant will have a capacity of 487
MW and will generate an annual 2,770 GWh for the
National Interconnected System. On October 20,
2010 the Commercial contract was signed with the
Chinese Consortium Gezhouba Group Company –
FOPECA S. A. (CGGC – Fopeca S. A.) giving them
full leadership in the construction process.
The Project Paute Cardenillo will be developed di-
rectly downstream of the Paute Sopladora Central,
with a direct connection meaning that they will use
the same flows. It will have an estimated installed
power of at least 400 MW and 2,200 GWh. On De-
cember 23, 2010 the contract was signed with the
Consortium POYRY-CAMINOSCA for the execution
of the studies of pre-feasibility, feasibility and final-
ity.
Eximbank has also expressed interest in financing
the Sopladora hydroelectric plant downstream from
the Paute complex in southeast Ecuador, with a
new $600 million USD credit. Like the Coca Codo
Sinclair dam, this plant would also be built by a Chi-
nese company. If the deal for the Sopladora plant
goes through as expected, China will be financing
nearly 60% of all public works projects in the energy
sector currently underway in Ecuador.
JUBONES RIVER HYDROELECTRIC COMPLEX
This hydroelectric complex will be located in the Jubon-
es river basin and will be comprised of two components
– the Minas project and the La Union project. These
sites will have respective capacities of 273MW and
80MW. Funded by Ecuador’s Energy and Hydrocar-
bon Investment Fund, electricity generator Enerjubones
S.Anamed an Italian Ecuadorian consortium to perform
further studies and design strategies for the project. At
the Minas site there will be a 65.4 metre high dam and a
powerhouse containingthree Pelton turbine-generators
below the confluence of the Minas River. La Union site
is set to include a 21-meter-tall dam and powerhouse
containing two Francis turbine-generators downstream
from the Minas project site. Geodata-Astec is working
hard to complement feasibility studies and perform de-
finitive design for the two projects. The budget is $4.3
million USD for work on Minas and $3 million USD for
La Union.
Different view of the Mazar dam. Source: Meer
Example of a hydroelectric turbine. Source: Meer
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