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REPUBLIQUE DEMOCRATIQUE DU CONGOMINISTERE DES RESSOURCES HYDRAULIQUES ET LECTRICIT
Addis Ababa, April 2013Grand Inga Feasibility Study Hydro 2013
Grand Inga Development Project Production and Associated
Transmission Lines
Hydro 2013 Addis Ababa
16, 17, 18 April 2013
GRAND INGA FEASIBILITY STUDY
REPUBLIQUE DEMOCRATIQUE DU CONGO
MINISTERE DES RESSOURCES HYDRAULIQUES ET LECTRICIT
Presented by: Stphane St-Pierre,Co-Director
Grand Inga Project (AECOM)
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REPUBLIQUE DEMOCRATIQUE DU CONGOMINISTERE DES RESSOURCES HYDRAULIQUES ET LECTRICIT
Addis Ababa, April 2013Grand Inga Feasibility Study Hydro 2013
For 60 years, in spite of the potential of the site, all previous
schemes required considerable pre-investments in large civil
works, making the first MW expensive.
It was found that the minimum economically feasible size was
7000 MW.
In 2011, Aecom-EDF was mandated by SNEL, with the funding ofADB, to optimize the Grand Inga site, considering the proposed
Inga 3 project.
Grand Inga Too big to be constructed ?
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REPUBLIQUE DEMOCRATIQUE DU CONGOMINISTERE DES RESSOURCES HYDRAULIQUES ET LECTRICIT
Addis Ababa, April 2013Grand Inga Feasibility Study Hydro 2013
A new approach has been proposed, making the development ofthe Grand Inga economically feasible in the very short term:
Innovative, flexible and economical staging identified
Each phase as small as 2,000 MW at competitive costs
Phase size can be adjusted to adapt to planned demand and
export opportunities
Grand Inga 2013 Feasibility Study : Main Results
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REPUBLIQUE DEMOCRATIQUE DU CONGOMINISTERE DES RESSOURCES HYDRAULIQUES ET LECTRICIT
Addis Ababa, April 2013Grand Inga Feasibility Study Hydro 2013
Inga 3 replaced by a simpler Grand Inga first phase at low head
with no closure of the Congo River and no tunnels, using an
open channel
Integrating the final development of Grand Inga when river
dam is built in the future
Turbine-generators designed to operate at low and high
head
Bundi Dam and intake structures designed to be raised in
the future
Grand Inga 2013 Feasibility Study : Main Results
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REPUBLIQUE DEMOCRATIQUE DU CONGOMINISTERE DES RESSOURCES HYDRAULIQUES ET LECTRICIT
Addis Ababa, April 2013Grand Inga Feasibility Study Hydro 2013
Site IngaDbit module: 41,000 m3/s
Chute = 100 m
Inga 1 (350 MW)
Inga 2 (1 424 MW)
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REPUBLIQUE DEMOCRATIQUE DU CONGOMINISTERE DES RESSOURCES HYDRAULIQUES ET LECTRICIT
Addis Ababa, April 2013Grand Inga Feasibility Study Hydro 2013
Inga 3 basse chutecanal de transfert
barrage de la BundiCentrale Inga 3
P max : 4800 MW
Q max : 6600 m3/s
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REPUBLIQUE DEMOCRATIQUE DU CONGOMINISTERE DES RESSOURCES HYDRAULIQUES ET LECTRICIT
Addis Ababa, April 2013Grand Inga Feasibility Study Hydro 2013
Inga 3 basse chuteremplissage du rservoir
Niveau deau amont : 145 - 170m
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REPUBLIQUE DEMOCRATIQUE DU CONGOMINISTERE DES RESSOURCES HYDRAULIQUES ET LECTRICIT
Addis Ababa, April 2013Grand Inga Feasibility Study Hydro 2013
Inga 3 haute chuteBarrage sur le fleuve Congovacuateurs de crues
Rehaussement du barrage Bundichute +50%
Pas de nouvelle centraleP Inga 3 HC : jusqu 7800 MW
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REPUBLIQUE DEMOCRATIQUE DU CONGOMINISTERE DES RESSOURCES HYDRAULIQUES ET LECTRICIT
Addis Ababa, April 2013Grand Inga Feasibility Study Hydro 2013
Inga 3 haute chuteRemplissage du rservoirNiveau deau amont : 202 205 m
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REPUBLIQUE DEMOCRATIQUE DU CONGOMINISTERE DES RESSOURCES HYDRAULIQUES ET LECTRICIT
Addis Ababa, April 2013Grand Inga Feasibility Study Hydro 2013
Inga 3
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REPUBLIQUE DEMOCRATIQUE DU CONGOMINISTERE DES RESSOURCES HYDRAULIQUES ET LECTRICIT
Addis Ababa, April 2013Grand Inga Feasibility Study Hydro 2013
Inga 3 et 4
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REPUBLIQUE DEMOCRATIQUE DU CONGOMINISTERE DES RESSOURCES HYDRAULIQUES ET LECTRICIT
Addis Ababa, April 2013Grand Inga Feasibility Study Hydro 2013
Inga 3, 4 and 5
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REPUBLIQUE DEMOCRATIQUE DU CONGOMINISTERE DES RESSOURCES HYDRAULIQUES ET LECTRICIT
Addis Ababa, April 2013Grand Inga Feasibility Study Hydro 2013
Inga 3, 4, 5 et 6
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REPUBLIQUE DEMOCRATIQUE DU CONGOMINISTERE DES RESSOURCES HYDRAULIQUES ET LECTRICIT
Addis Ababa, April 2013Grand Inga Feasibility Study Hydro 2013
Inga 7
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REPUBLIQUE DEMOCRATIQUE DU CONGOMINISTERE DES RESSOURCES HYDRAULIQUES ET LECTRICIT
Addis Ababa, April 2013Grand Inga Feasibility Study Hydro 2013
Inga 3 8
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REPUBLIQUE DEMOCRATIQUE DU CONGOMINISTERE DES RESSOURCES HYDRAULIQUES ET LECTRICIT
Addis Ababa, April 2013Grand Inga Feasibility Study Hydro 2013
Inga 3 basse chute
canal detransfert @6,600 m3/s
barrageBundi
Centrale @ 4,800 MW
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REPUBLIQUE DEMOCRATIQUE DU CONGOMINISTERE DES RESSOURCES HYDRAULIQUES ET LECTRICIT
Addis Ababa, April 2013Grand Inga Feasibility Study Hydro 2013
Progressive Development of Grand Inga
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REPUBLIQUE DEMOCRATIQUE DU CONGOMINISTERE DES RESSOURCES HYDRAULIQUES ET LECTRICIT
Addis Ababa, April 2013Grand Inga Feasibility Study Hydro 2013
Grand Inga New, small, economical multi-stage
development scheme
Main benefits:
To finally and rapidly start Grand Inga development
Flexibility to adapt to DRC and export demand patterns
Provide optimized generation costs at each stage by levelling
investments over time
Allow multiple public / private operators to share the site
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REPUBLIQUE DEMOCRATIQUE DU CONGOMINISTERE DES RESSOURCES HYDRAULIQUES ET LECTRICIT
Addis Ababa, April 2013Grand Inga Feasibility Study Hydro 2013
INGA 3-LH: IMPACTSON LAND USE
Very low footprint on land:
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REPUBLIQUE DEMOCRATIQUE DU CONGOMINISTERE DES RESSOURCES HYDRAULIQUES ET LECTRICIT
Addis Ababa, April 2013Grand Inga Feasibility Study Hydro 2013
INGA 3-LH
Occupied Hectares /MW
Numberofinhabitantsto
relocate/MW
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REPUBLIQUE DEMOCRATIQUE DU CONGOMINISTERE DES RESSOURCES HYDRAULIQUES ET LECTRICIT
Addis Ababa, April 2013Grand Inga Feasibility Study Hydro 2013
INGA 3-LH: EIES CONCLUSIONS
Site specific initial conditions very favourable
Hydrology greater than the needs Negative Impacts identified are of low
intensity and manageable
Potential Social and Economic Positive Impacts