Pinch Points

1
Pinch Points

• Alan Kennedy

2
NIE TRANSMISSION NETWORK PINCH POINTS gt250MW of
Wind
gt100 Loaded, To be restrung Summer 2007
LOGUESTOWN
B BALLYVALLAGH E EDEN CR CARNMONEY G
GLENGORMLEY PSW POWER STATION WEST DG
DONEGALL H HANNAHSTOWN F FINAGHY BC BELFAST
CENTRAL CE CREGAGH R ROSEBANK K KNOCK
COLERAINE
COOLKEERAGH POWER STATION
LIMAVADY
LISAGHMORE
BALLYLUMFORD POWERSTATION
BALLYMENA
LARNE
TO LETTERKENNY
KELLS
B
CREAGH
MOYLE INTERCONECTOR
STRABANE
MAGHERAFELT
Outage
E
KILROOT POWER STATION
NORFIL
CR
ANTRIM
G
275KV DOUBLE CCT
RATHGAEL
PSW
275KV SINGLE CCT
K
BC
R
110KV DOUBLE CCT
DG
CE
NEWTOWNARDS
H
110KV SINGLE CCT
CASTLEREAGH
MOYLE HV DC LINK
F
OMAGH
POWERSTATION
TYRONE
LISBURN
DUNGANNON
275KV SUBSTATION
WARRINGSTOWN
DRUMNAKELLY
110KV SUBSTATION
POWER FLOW CONTROLLER
BALLYNAHINCH
TANDRAGEE
MECH SWITCHED CAPACITANCE
ENNISKILLEN
BANBRIDGE
CONDITIONS 1. High generation in the north
west 2. Low demand 3. Outage contingency
NEWRY
TO SWANLINBAR
LOUTH
3
NIE TRANSMISSION NETWORK PINCH POINTS gt300MW of
Wind
LOGUESTOWN
B BALLYVALLAGH E EDEN CR CARNMONEY G
GLENGORMLEY PSW POWER STATION WEST DG
DONEGALL H HANNAHSTOWN F FINAGHY BC BELFAST
CENTRAL CE CREGAGH R ROSEBANK K KNOCK
COLERAINE
COOLKEERAGH POWER STATION
LIMAVADY
LISAGHMORE
BALLYLUMFORD POWERSTATION
BALLYMENA
LARNE
TO LETTERKENNY
KELLS
B
CREAGH
MOYLE INTERCONECTOR
STRABANE
MAGHERAFELT
Outage
E
KILROOT POWER STATION
NORFIL
CR
ANTRIM
G
275KV DOUBLE CCT
RATHGAEL
PSW
275KV SINGLE CCT
K
BC
R
DG
110KV DOUBLE CCT
CE
NEWTOWNARDS
H
110KV SINGLE CCT
CASTLEREAGH
F
MOYLE HV DC LINK
OMAGH
TYRONE
POWERSTATION
LISBURN
DUNGANNON
WARRINGSTOWN
275KV SUBSTATION
DRUMNAKELLY
110KV SUBSTATION
A circuit (shorter) gt100 Loaded, Intellectual
rerating followed by physical reinforcement
POWER FLOW CONTROLLER
BALLYNAHINCH
TANDRAGEE
ENNISKILLEN
BANBRIDGE
MECH SWITCHED CAPACITANCE
CONDITIONS 1. High generation in the north
west 2. Low demand 3. Outage contingency
NEWRY
TO SWANLINBAR
LOUTH
4
NIE TRANSMISSION NETWORK PINCH POINTS gt350MW of
Wind
LOGUESTOWN
B BALLYVALLAGH E EDEN CR CARNMONEY G
GLENGORMLEY PSW POWER STATION WEST DG
DONEGALL H HANNAHSTOWN F FINAGHY BC BELFAST
CENTRAL CE CREGAGH R ROSEBANK K KNOCK
COLERAINE
COOLKEERAGH POWER STATION
LIMAVADY
LISAGHMORE
BALLYLUMFORD POWERSTATION
BALLYMENA
LARNE
TO LETTERKENNY
KELLS
B
CREAGH
MOYLE INTERCONECTOR
STRABANE
MAGHERAFELT
Outage
E
KILROOT POWER STATION
NORFIL
CR
ANTRIM
G
275KV DOUBLE CCT
RATHGAEL
PSW
275KV SINGLE CCT
K
BC
R
DG
110KV DOUBLE CCT
CE
NEWTOWNARDS
H
110KV SINGLE CCT
CASTLEREAGH
MOYLE HV DC LINK
F
OMAGH
POWERSTATION
TYRONE
LISBURN
DUNGANNON
275KV SUBSTATION
WARRINGSTOWN
DRUMNAKELLY
110KV SUBSTATION
POWER FLOW CONTROLLER
B circuit (longer) gt100 Loaded, Intellectual
rerating followed by physical reinforcement
BALLYNAHINCH
TANDRAGEE
MECH SWITCHED CAPACITANCE
ENNISKILLEN
BANBRIDGE
CONDITIONS 1. High generation in the north
west 2. Low demand 3. Outage contingency
NEWRY
TO SWANLINBAR
LOUTH
5
NIE TRANSMISSION NETWORK PINCH POINTS gt400MW of
Wind Major Reinforcement Required
LOGUESTOWN
B BALLYVALLAGH E EDEN CR CARNMONEY G
GLENGORMLEY PSW POWER STATION WEST DG
DONEGALL H HANNAHSTOWN F FINAGHY BC BELFAST
CENTRAL CE CREGAGH R ROSEBANK K KNOCK
gt100 Loaded
COLERAINE
COOLKEERAGH POWER STATION
LIMAVADY
LISAGHMORE
BALLYLUMFORD POWERSTATION
BALLYMENA
LARNE
TO LETTERKENNY
KELLS
B
CREAGH
MOYLE INTERCONECTOR
STRABANE
MAGHERAFELT
Outage
E
KILROOT POWER STATION
NORFIL
CR
ANTRIM
G
275KV DOUBLE CCT
RATHGAEL
PSW
275KV SINGLE CCT
K
BC
R
DG
110KV DOUBLE CCT
CE
NEWTOWNARDS
H
110KV SINGLE CCT
CASTLEREAGH
MOYLE HV DC LINK
F
OMAGH
POWERSTATION
TYRONE
LISBURN
DUNGANNON
275KV SUBSTATION
WARRINGSTOWN
DRUMNAKELLY
110KV SUBSTATION
POWER FLOW CONTROLLER
A circuit (shorter) gt100 Loaded
BALLYNAHINCH
TANDRAGEE
MECH SWITCHED CAPACITANCE
ENNISKILLEN
BANBRIDGE
CONDITIONS 1. High generation in the north
west 2. Low demand 3. Outage contingency
NEWRY
TO SWANLINBAR
LOUTH