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David Surplus OBE,
B9 Energy Storage Ltd
CAES Demo presentation to
INI Infrastructure Seminar
2/8/2016, Belfast
Table of contents
• Background to B9 Energy
• MATRIX Recommendation
• About EU Horizon 2020 Project STORY
• Distribution Network Constraint
• Location of CAES
• CAES control strategy overview
• Curtailment and constraint
• Replication at similar sub-stations
• 110kV constraint alleviation
• Typical compression equipment
• Legacy arrangements
2
Background to B9 Energy
Wind farms in Northern Ireland developed by B9 Energy
3
Also in the Republic of Ireland:
• Cark I&II Co.Donegal
• Milane Hill Co Cork
• Taurbeg Co Cork
• Beenageeha Co Kerry
And Canada:
• Kettles Kill Alberta
Background to B9 Energy
AD and landfill gas projects developed by B9 Energy
4
Landfill Gas Utilisation Sites:
Craigahullier 0.8MW
Craigmore 0.8MW
Ballymacvea 0.8MW
Green Road 0.8MW
Drumnakelly 0.635MW
Culmore 0.635
North Kerry 0.3MW
Granville
AD – 3MW
Sustainable Energy Horizon Study
recommendations:
1. Increased interconnection (N/S and E/W)
2. Energy Storage
3. Demand Side Management
4. All working as part of an intelligent energy system
Better use can be made of the existing grid system through....
About EU Horizon 2020 Project STORY
www.horizon2020-story.eu
04.08.2016 6
Distribution Network Constraint
7
Map shows grid congestion in
Northern Ireland resulting in:
• High cost of connection
• Generation capacity constraints
Location of CAES
Lecale Area
8
33kV network
33kV/11kV transformer
11kV network (monitored)
Solar PV
Wind turbine
Tidal turbine
300 houses load
Fish Factory load
STORY CAES
Bishopscourt Central
H2020 STORY CAES
33/11kV
substation –
11kV busbar
CAES Location
remote from
sub-station
Distance along
11kV circuit
Voltage
CAES in
Generation
mode
L L L
L
L
L
L L
Low Load
condition
High Load
condition
Large effect
on voltage
Low effect
on voltage
11kV
Reason for locating CAES at sub-station
Location of CAES
Re-locate CAES to
sub-station
G
GG G
33 kV
11 kV
CAES Control Strategy /Task 3.3.3
“Load on Demand“
L
L
L
L
L
L
L
L
L
L L
L
G
GG G
33 kV
11 kV
G
L
LIFO
Constrained off
Reverse
power trigger
CAES
Dispatch
from DNO
CAES Control Strategy /Task 3.3.3
“Load on Demand“
L
L
L
L
L
L
L
L
L
L
L
L
G
GG G
33 kV
11 kV
G
L
Reverse
power trigger
CAES
Dispatch
from DNO
Overload trigger
CAES Control Strategy /Task 3.3.3
“Load on Demand“
L
L
L
L
L
L
L
L
L
L
L
L
L L
L L L L
G
GG G
33 kV
11 kV
G
L
CAES
Dispatch
from DNO
Overload trigger
CAES Control Strategy /Task 3.3.3
“Generation on
Demand“
L
L
L
L
L
L
L
L
L
L
L
L
L L
L L L L
15
Load on demand for wind
Load on demand for PV
Load to assist DNO’s Managed Connections
Generation on demand to avoid grid upgrades
Peak-Shaving Generation
Demand reduction and standby generation
Curtailment and Grid Constraints
16
Annual MWh losses in Ireland due to
curtailment and grid constraints in 2013
Solutions are: Local “load on demand”
for reverse power flow constraint, or
local “generation on demand” for
thermal overloading constraint
Solution is: General “load on demand”
MWhlost
CAES Control Strategy /Task 3.3.3
CAES control strategy overview
17
CAES
Internal
control
system
CAES Plant
Compressor Expander
C E
Real-time
CAES
External
control
system
Day ahead
Simulator
with
predictive
algorithms
G59
• Wind forecast
• Solar forecast
• Tidal forecast
• Ambient temperature
forecast
• Historical load profiles
• Time of day
• Ambient temperature
• 11kV line voltage
• SONI dispatch
• DSU dispatch
• DSO dispatch
• Load on demand
• NIE 33kV intertrip
Real world challenge:
Stakeholder communication and collaboration
04.08.2016 18
• 11kV line voltage
• SONI dispatch
• DSU dispatch
• DSO dispatch
• Load on demand
• NIE 33kV intertrip
Statutory limits
Strategic Network Operation
Protection Regime
Lecale
area
Replication at similar sub-stations
70 x Rural 33/11kV
sub-stations
Replication at similar sub-stations
Helps with 110kV constraint alleviation
110kV Line
110kV sub-station
275kV Line
275kV sub-station
Typical compression equipment
Ariel JGA/4 Reciprocating Compressor
22
Length 1.55m, Width 2.03 m, Average weight 2130 kg,
Max speed 1800 rpm, Max power 418 kW
Legacy arrangement
23
• CAES demonstration project will terminate in 2020
• The book value will have depreciated to zero
• Local Charity CEMES set up to provide legacy arrangement
• CEMES = The Centre for Excellence in Microgrids & Energy
Storage
Infrastructure Seminar | B9 Energy | David Surplus | Case Study

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Infrastructure Seminar | B9 Energy | David Surplus | Case Study

  • 1. David Surplus OBE, B9 Energy Storage Ltd CAES Demo presentation to INI Infrastructure Seminar 2/8/2016, Belfast
  • 2. Table of contents • Background to B9 Energy • MATRIX Recommendation • About EU Horizon 2020 Project STORY • Distribution Network Constraint • Location of CAES • CAES control strategy overview • Curtailment and constraint • Replication at similar sub-stations • 110kV constraint alleviation • Typical compression equipment • Legacy arrangements 2
  • 3. Background to B9 Energy Wind farms in Northern Ireland developed by B9 Energy 3 Also in the Republic of Ireland: • Cark I&II Co.Donegal • Milane Hill Co Cork • Taurbeg Co Cork • Beenageeha Co Kerry And Canada: • Kettles Kill Alberta
  • 4. Background to B9 Energy AD and landfill gas projects developed by B9 Energy 4 Landfill Gas Utilisation Sites: Craigahullier 0.8MW Craigmore 0.8MW Ballymacvea 0.8MW Green Road 0.8MW Drumnakelly 0.635MW Culmore 0.635 North Kerry 0.3MW Granville AD – 3MW
  • 5. Sustainable Energy Horizon Study recommendations: 1. Increased interconnection (N/S and E/W) 2. Energy Storage 3. Demand Side Management 4. All working as part of an intelligent energy system Better use can be made of the existing grid system through....
  • 6. About EU Horizon 2020 Project STORY www.horizon2020-story.eu 04.08.2016 6
  • 7. Distribution Network Constraint 7 Map shows grid congestion in Northern Ireland resulting in: • High cost of connection • Generation capacity constraints
  • 9. 33kV network 33kV/11kV transformer 11kV network (monitored) Solar PV Wind turbine Tidal turbine 300 houses load Fish Factory load STORY CAES Bishopscourt Central H2020 STORY CAES
  • 10. 33/11kV substation – 11kV busbar CAES Location remote from sub-station Distance along 11kV circuit Voltage CAES in Generation mode L L L L L L L L Low Load condition High Load condition Large effect on voltage Low effect on voltage 11kV Reason for locating CAES at sub-station Location of CAES Re-locate CAES to sub-station
  • 11. G GG G 33 kV 11 kV CAES Control Strategy /Task 3.3.3 “Load on Demand“ L L L L L L L L L L L L
  • 12. G GG G 33 kV 11 kV G L LIFO Constrained off Reverse power trigger CAES Dispatch from DNO CAES Control Strategy /Task 3.3.3 “Load on Demand“ L L L L L L L L L L L L
  • 13. G GG G 33 kV 11 kV G L Reverse power trigger CAES Dispatch from DNO Overload trigger CAES Control Strategy /Task 3.3.3 “Load on Demand“ L L L L L L L L L L L L L L L L L L
  • 14. G GG G 33 kV 11 kV G L CAES Dispatch from DNO Overload trigger CAES Control Strategy /Task 3.3.3 “Generation on Demand“ L L L L L L L L L L L L L L L L L L
  • 15. 15 Load on demand for wind Load on demand for PV Load to assist DNO’s Managed Connections Generation on demand to avoid grid upgrades Peak-Shaving Generation Demand reduction and standby generation
  • 16. Curtailment and Grid Constraints 16 Annual MWh losses in Ireland due to curtailment and grid constraints in 2013 Solutions are: Local “load on demand” for reverse power flow constraint, or local “generation on demand” for thermal overloading constraint Solution is: General “load on demand” MWhlost
  • 17. CAES Control Strategy /Task 3.3.3 CAES control strategy overview 17 CAES Internal control system CAES Plant Compressor Expander C E Real-time CAES External control system Day ahead Simulator with predictive algorithms G59 • Wind forecast • Solar forecast • Tidal forecast • Ambient temperature forecast • Historical load profiles • Time of day • Ambient temperature • 11kV line voltage • SONI dispatch • DSU dispatch • DSO dispatch • Load on demand • NIE 33kV intertrip
  • 18. Real world challenge: Stakeholder communication and collaboration 04.08.2016 18 • 11kV line voltage • SONI dispatch • DSU dispatch • DSO dispatch • Load on demand • NIE 33kV intertrip Statutory limits Strategic Network Operation Protection Regime
  • 20. 70 x Rural 33/11kV sub-stations Replication at similar sub-stations
  • 21. Helps with 110kV constraint alleviation 110kV Line 110kV sub-station 275kV Line 275kV sub-station
  • 22. Typical compression equipment Ariel JGA/4 Reciprocating Compressor 22 Length 1.55m, Width 2.03 m, Average weight 2130 kg, Max speed 1800 rpm, Max power 418 kW
  • 23. Legacy arrangement 23 • CAES demonstration project will terminate in 2020 • The book value will have depreciated to zero • Local Charity CEMES set up to provide legacy arrangement • CEMES = The Centre for Excellence in Microgrids & Energy Storage