1. Current status of the existing interconnections between France and Spain ERGEG – 2nd implementation meeting group of the South GRI
ERGEG, 11 Décembre 2006

2. The TIGF infrastuctures current situation
IP with GRT Gaz
IP with NATURGAS
IP with ENAGAS
DORDOGNE
IP with TEPF
HERAULT
LACQ
BIRIATOU
LARRAU
- ERGEG, 11 Décembre 2006

3. LARRAU interconnection Point > North to South Flow
DORDOGNE
Mont’s compression station
3 Units of 3,5 MW each
HERAULT
BIRIATOU
Conditions at Larrau IP:
Pressure : 61 bar(a) – Nm3/h
ΔP : +0,048 bar(a) / 1000 Nm3/h
ALCAY
Flow direction
LARRAU
As is Larrau IP situation :
Capacity : 81,5 GWh/j
Larrau pressure : 62,5 bar(a)
Mont pressure : 78 bar(a)
Mont required power : 7 MW
To increase capacities
Decrease the IP Pressure
- ERGEG, 11 Décembre 2006

4. LARRAU interconnection Point > South to North Flow
DORDOGNE
HERAULT
BIRIATOU
ALCAY
Flow direction
LARRAU
As is Larrau IP situation :
Non bidirectional (only North to south)
Firmed capacities = 0
To create capacities
=> Invest in a reversibility equipments at Mont and Alçay sites
- ERGEG, 11 Décembre 2006

5. BIRIATOU interconnection Point > North to South Flow
DORDOGNE
Conditions at Biriatou IP:
Winter Pressure : 20 bar(a)
Summer pressure : 35 to 40 bar(a)
HERAULT
BIRIATOU
Flow direction
LARRAU
As is Biriatou IP situation :
Winter capacities : 0
Summer capacities : from 2 to 10 GWh/j
=> “Lacq - Arcangues” pipeline congested
To increase capacities
Increase IP pressure
=> Invest in a new « Coudures – Arcangues » pipeline
- ERGEG, 11 Décembre 2006

6. BIRIATOU interconnection Point > South to North Flow
DORDOGNE
Lussagnet
Pressure constraint : 50 bar(a)
Conditions at Biriatou IP:
Winter pressure : from 29 to 33 bar(a)
Summer pressure : 36 bar(a)
HERAULT
Lacq Pressure constraint : 50 bar(a)
Bergara warranty pressure : 40 bar(a)
Flow direction
BIRIATOU
LARRAU
As is Biriatou IP situation :
Winter capacities : 5 GWh/j
Summer capacities : 3 GWh/j
To increase capacities
Increase the IP pressure
- ERGEG, 11 Décembre 2006

7. Commercial status report at IPs
From January 2006 till now
From July 2006 till now
- ERGEG, 11 Décembre 2006