13
The Paris area EHV grid Return to Session
The Paris area EHV grid
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JICABLE 2007 2
EHV underground network in France
The UGC network (> 50 kV) represents 3260 km
RTE EHV grid : 3rd in the world and 1st in Europe with 906 km
All big cities are supplied with 225 kV
0
200
400
600
800
1 000
Leng
th o
f un
derg
roun
d lin
es
> 22
0 kV
(km
)
Denmark France Germany Italy Netherlands Spain UnitedKingdom
Source CIGRE WG B1.07
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JICABLE 2007 3
Evolution of RTE’s UGC length
YEAR EHV (km) HV (km) TOTAL (km)1969 233 910 1 1431979 380 937 1 3171995 661 1 549 2 2102007 906 2 354 3 260
0
500
1 000
1 500
2 000
2 500
3 000
3 50019
65
1970
1975
1980
1985
1990
1995
2000
2005
Leng
ht (
km)
HV
EHV
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JICABLE 2007 4
St OuenAmpère
Romainvile
Malassis
Charenton
Arrighi
Cretaine
Moulineaux
Harcourt
Chevilly
Puteaux
Perret
NovionFallou
Plaisance
St Maur Sonnettes
Cormeilles
Nanterre
Avenir
Courneuve
Colonie
Menus
Argenteuil
TerrierPlessis-Gassot
Sausset
Villevaudé
Morbras
Le Chesnoy
Cirolliers
Villejust
Mézerolles
Cergy
Alouettes
Paris area grid in 2007
400/225 kV substation
225 kV transit substation
400 kV OHL ring225 kV UGC
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JICABLE 2007 5
Paris area Data
Oil filled cables Synthetic cables Total225 kV UGC length (km) 195,8 442,2 638
First 225 kV cable in 1936, and some parts still in use
Average age of the grid : 20 years
19691957
1920 1950 1980 2000
Impregnatedpaper HV
Oil filledEHV
1920 1936
HPOFTHT
1962
Polymeric PEHV
Polymeric PEEHV
1989
Polymeric XLPEHV
2000
Polymeric XLPE - EHV
2002
Now : Polymeric XLPE - sheath AlHV et EHV-
Now : Polymeric XLPE - Al sheathHV - EHV
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JICABLE 2007 6
Paris area grid in 1969
Plessis-Gassot
Villevaudé
Le Chesnoy
Villejust
Cergy
Mézerolles
St OuenAmpère
Romainvile
Charenton
Arrighi
Harcourt
Chevilly
Puteaux
NovionFallou
Plaisance
St Maur
Cormeilles
400/225 kV substation
225 kV transit substation
400 kV OHL ring225 kV UGC
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JICABLE 2007 7
Paris area grid in 1979
Plessis-Gassot
Le Chesnoy
Villejust
Cergy
St OuenAmpère
Romainvile
Charenton
Arrighi
CretaineHarcourt
Chevilly
Puteaux
Perret
NovionFallou
Plaisance
St Maur
Cormeilles
Nanterre
VillevaudéMézerolles
400/225 kV substation
225 kV transit substation
400 kV OHL ring225 kV UGC
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JICABLE 2007 8
Paris area grid in 1995
TerrierPlessis-Gassot
Le Chesnoy
Cirolliers
Villejust
Cergy
St OuenAmpère
Romainvile
Malassis
Charenton
Arrighi
Cretaine
Moulineaux
Harcourt
Chevilly
Puteaux
Perret
NovionFallou
Plaisance
St Maur Sonnettes
Cormeilles
Nanterre
Courneuve Villevaudé
Morbras
Mézerolles
400/225 kV substation
225 kV transit substation
400 kV OHL ring225 kV UGC
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JICABLE 2007 9
St OuenAmpère
Romainvile
Malassis
Charenton
Arrighi
Cretaine
Moulineaux
Harcourt
Chevilly
Puteaux
Perret
NovionFallou
Plaisance
St Maur Sonnettes
Cormeilles
Nanterre
Avenir
Courneuve
Colonie
Menus
Argenteuil
TerrierPlessis-Gassot
Sausset
Villevaudé
Morbras
Le Chesnoy
Cirolliers
Villejust
Mézerolles
Cergy
Alouettes
Paris area grid in 2007
400/225 kV substation
225 kV transit substation
400 kV OHL ring225 kV UGC
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JICABLE 2007 10
St OuenAmpère
Romainvile
Malassis
Charenton
Arrighi
Cretaine
Moulineaux
Harcourt
Chevilly
Puteaux
Perret
NovionFallou
Plaisance
St Maur Sonnettes
Cormeilles
Nanterre
Avenir
Courneuve
Colonie
Menus
Argenteuil
TerrierPlessis-Gassot
Sausset
Villevaudé
Morbras
Le Chesnoy
Cirolliers
Villejust
Mézerolles
Cergy
Alouettes
AVENIR – SAUSSET 225 kVReturn to Session
JICABLE 2007 11
Characteristics of one recent lineAvenir – Sausset 225 kV
18 km1 200 mm² Cu, XLPECommissioning in august 2002Laying techniques : PVC ducts in concrete3 great depth drilling installations
2 steered drillings 75 and 85 m1 micro-tunnel 135 m
Cost : 22 M€
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JICABLE 2007 12
AVENIR – SAUSSET 225 kVReturn to Session
JICABLE 2007 13
Perspectives of development
Operating policy
R&D actions : transition joints, optimisation of laying methods,lifespan of cables on the network
Grid modifications for new clients connections and consumption increase
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