1. Engineers Ireland
Presentation
Aidan Corcoran,
EirGrid
April 23rd 2010

3. System Demand 14th April 2010
Peak 3,700 MW

4. Wind Generation 14th April 2010
200 MW →

5. Transmission
Grid
Motorways of Power!
y
440 km 1830 km 4000 km
400 kV 220 kV 110 kV

6. Why Develop the Grid?
• Platform for economic growth – jobs!
• 40% renewable t
bl target
t
• Interconnection with Europe
• All Island Market
• Increase in demand for electricity

7. Ireland s
Ireland’s Renewable Policy Target
Wind as a Percentage of Total Electricity (2020 Target) - Select EU Countries
Ireland
Denmark
Portugal
Germany
Greece
UK
TARGETS Spain
Poland
Malta
M lt
Sweden
2010 - 15% √ Bulgaria
France
2020 - 40% Netherlands
Austria
Slovak Republic
p
Italy
Finland
Cyprus
Belgium
Estonia
Hungary
Czech Republic
Slovenia
0% 5% 10% 15% 20% 25% 30% 35% 40%

8. Ireland s
Ireland’s Renewable Resources

9. Current Wind Statistics
• Connected 1,260
1 260 MW
• U d C
Under Construction
t ti 1,330
1 330 MW
• Gate 3 4,000 MW

10. Current Wind Statistics
• Connected 1,260
1 260 MW
• U d C
Under Construction
t ti 1,330
1 330 MW
• Gate 3 4,000 MW
6,580
6 580 MW
Required to meet 2020 target 4,700 MW

11. Wind farm locations
Gate1: Blue
Gate2: Red
Gate 3: Green

12. Importance of Interconnection for
European Energy Market

13. Connecting Ireland and mainland UK

14. HVDC Transmission Point to Point
with Submarine Cable
Converter station Converter station
Irish British
Grid Grid
F F
Irish Sea
Ireland Britain

15. Grid Development Strategy - Grid25
p gy
2,200 km Upgrades
1,150 km New Build
€4 billion
€4 bn

16. Grid25 Strategic Options
Security & Reliability
Balance
Costs & Community &
Efficiency Environment
Build New 400 kV HV AC Overhead
Upgrade 220 kV HV DC Underground

17. Primary Corridors for
Reinforcement *
Investigation

18. Planned
Transmission
System
400kV, 220kV &
110 kV
Dublin Area
Cork Area

19. Transmission Projects in Progress
400 kV / 220 kV/ 110 kV
No. of New Stations 16
Overhead Line 610 km
Underground Cable 33.1 km
No. of New Transformers 17
No. of New Capacitor Banks 12
Uprates 582 km
Refurbishments 83 km

20. Existing South West
BOOLTIAGH
DRUMLINE ARDNACRUSHA
TULLABRACK
TH
PROSPECT AHANE
MONEYPOINT MUNGRET
SEALROCK MONETEEN
CASTLEFARM
KILLONAN
AUGHINISH
TARBERT
LIMERICK
RATHKEALE
TIPPERARY
TRIEN
CAHIR
CHARLEVILLE
TRALEE
GLENLARA
OUGHTRAGH MALLOW
KNOCKEARAGH BARRYMORE
CLONKEEN KNOCKRAHA
CLASHAVOON
COOMAGEARLAHY
KILBARRY
INNISCARRA
GLANLEE
MACROOM MARINA
COOLROE
TRABEG
CARRIGADROHID AGHADA
RAFFEEN
WHITEGATE
BRINNY
BANDON
BALLYLICKEY
DUNMANWAY

21. GRID25 Network Development South West BOOLTIAGH
DRUMLINE ARDNACRUSHA
TULLABRACK
PROSPECT AHANE
MONEYPOINT MUNGRET
SEALROCK MONETEEN
CASTLEFARM
KILLONAN TOEM
AUGHINISH
TARBERT
Kilpaddogue LIMERICK
RATHKEALE
ATHEA TIPPERARY
DROMADA
700MW TRIEN
Knockanure
CAHIR
CLOUGHBOOLA
CLAHANE CHARLEVILLE
TRALEE KERRY
KNOCKACUMMER
CORDAL
GLENLARA
MALLOW
OUGHTRAGH
Kishkeam
305MW KNOCKEARAGH
KIPPALOCK
BARRYMORE
Ballyvouskil
BOGGERAGH
GARROW
CLONKEEN KNOCKRAHA
CLASHAVOON
COOMAGEARLAHY
KILBARRY
INNISCARRA
520MW GLANLEE
MACROOM
COOLROE
TRABEG
MARINA
KILGARVAN CARRIGADROHID AGHADA
RAFFEEN
WHITEGATE
BARNADEVINE BRINNY
BANDON
BALLYLICKEY
DUNMANWAY
280MW

22. Challenge

23. Public Acceptability

24. 400kV Projects in North East

25. Average Ireland % Fuel Type 2008
Renewables CHP
12% Coal
4%
18%
Peat
6%
Oil
5%
Gas
55%

26. Transmission System of the Future
Poyry Study Interconnection Study Offshore Grid Study

27. Complementary Solution
• Onshore Grid • Interconnection/
(GRID25) Offshore
– Supports: – Supports
• Regional Development • Economic Trading
• Economic Growth
Gro th • Sharing of Generation
• Competitiveness • System Support
• Renewable Energy • Frequency Control

28. GRID25 is essential
• To support regional development
• To ensure reliability & security of supply
• To utilise Ireland’s renewable energy resources
Ireland s
• To reduce Ireland’s carbon emissions
• To increase Ireland’s connectivity to the
European Grid
p
• To underpin the competitive electricity market

29. Thank You
Aidan Corcoran,
EirGrid