9 September 2016

Stefaan Verstraeten

Introduction to Offshore WindCCI visit Thornton Bank

TABLE OF CONTENT

Chapter 1

Offshore wind marketChapter 2

TechnologyChapter 3

C-Power projectChapter 4

Offshore wind at ENGIE

Why offshore wind?

Chapter 5

Why offshore wind

Why offshore wind?

09/09/2016 4

— Better wind resources

— Reduced social impact: NIMBY

— Large potential

— Investment potential:

• 1 – 3 billion euro per wind farm

• banks consider offshore wind as a mature

technology offering competitive financing

Why offshore wind?

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Offshore wind market

Current installed capacity

7

2.9 3.14.7

6.7 7.6

11.713.5

18.1

23.7

30.2

40.4

0.6 0.91.8

2.5

5.2

0.4

0.4

1.0

0.5

2.61.0

1.1

1.1

0.5

0.6

0.7

0.7

0.7 1.21.0

0.4

1.1 1.5 1.6

1.0

2.0

1.0

1.1

1.3

1.3

0.2

1.52.0

0.9

4.1

1.8

4.6

5.6

6.5

10.2

2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020

Other

United Kingdom

Netherlands

Germany

France

Denmark

China

Cumulative (line)

Global offshore-wind installation (GW)

8

Current installed capacity

9

Lowest cost of electricity

today: 73€/MWh in NL

Wind turbine suppliers

10

Picture

Type GE Haliade Senvion 6.2M-152 Adwen AD 5-132 ADWEN AD8-180

Power 6 MW 6,2 MW 5 MW 8 MW

IEC class IB IB IB IB

Picture

Type Vestas V164 Vestas V112 Siemens SWT-8.0-154 Siemens SWT-4.0-130

Power 8 MW 3,3 MW 8 MW 4 MW

IEC class IB IB IB IB

Technology

Wind turbine

12

“Classic” drivetrain

Transformer

Convertor

Generator

Gearbox

Main bearing

Pitch system

Heli winch deck

Yaw

Wind turbine

13

Direct drive drivetrain

Wind turbine

14

Typical dimensions

— Nacelle: 19m x 10m x 6,5m

— Hub height: 80m-120m

— Blade: 44 – 88m

Typical masses

— Nacelle: 300 – 400 ton

— Tower: 200 – 500 ton

— Blade: 7 – 35 ton

— Total: 350 – 1000 ton

Market – Potential & current status

05/02/2016 Global Wind Market Outlook 15

Source: BNEF,2015

Wind turbine layout

16

0

1000

2000

3000

4000

5000

6000

7000

0 5 10 15 20 25 30 35

Vestas V90

Vestas V112

Siemens SWT-107

Siemens SWT-120

Repower 5M

Repower 6M

Multibrid M5000

Foundation

17

— Monopile foundation

• Up to 30-40m water depth

• Most often used in offshore wind farms

• Tubular steel structure

• Driven into seabed with hydraulic hammer

• Transition piece (grouted) to connect tower

• Scour protection to prevent erosion of the

seabed

• Heaviest monopile today:

— 1 300 ton

— 7,8m diameter

— 83 m long

Foundation

18

Foundation

19

Gravity based foundation

— Concrete construction

— Applied for < 30m water depth

— Less used for new offshore projects

— Very heavy (up to 3000 ton)

— Need a lot of space and time

— Seabed needs to be prepared

carefully

Foundation

20

Jacket foundation

— Lattice structure grouted on anchor piles

— 4 anchor piles driven in seabed

— Relatively light (500 ton)

— Fast fabrication

Transition piece

Electrical system

21

Array cables (33kV)

Offshore

Transformer Station

Export cables (150kV)

Up to 380kV and 1200mm²:

1000MVA

Electrical system

22

Offshore Transformer Station

(OTS):

— 33/150kV transformers

— Switchgears

— Shunt reactors

— Emergency diesel generator

— Emergency shelter

— Power controllers

— Heli-hoist deck

— Weight: 1000 – 2000 ton

— Power: 200 – 800 MVA

C-Power project

Pro’s & cons – Risk profile

24

Source: Geothermal handbook, ESMAP

Refused project

0. Seanergy JV Electrabel – Jan De Nul

Projects in operation

2. C-Power325 MW

Nuhma / DEME

SRIW / Socofe

EDF / RWE / Marguerite Fund

4. Northwind 216 MW

Aspiravi

Parkwind NV

Sumitomo

6. Belwind I

165 MW

Parkwind NV

Rabo Investments

Meewind

Sumitomo

Project in construction

6. Nobelwind 165 MW same as Belwind I

Projects permitted

1. Norther 350 MWEneco

Elicio

3. Rentel 288 MW Otary

5. Seastar 246 MW Otary

7. Mermaid 232-266 MWOtary

Engie

7. Northwester2 217–224 MW

Colruyt Group

InControl, Wagram Invest,

TTR Energy

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Jacket foundation

26

Cables

27

Construction of phase 2 & 3

28

29

30

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Commissioning and O&M

38

Commissioning and O&M

39

Offshore wind at Engie

18 years of experience in ENGIE offshore Wind

development teams going back to 1998 (Seanergy

project)

Cofely-Fabricom experienced in Offshore Maintenance

Services (E&P + offshore wind Netherlands)

ENGIE Fabricom is a market leader in OHVS for offshore

windfarms (~50% market share)

— 12 built

— 19 awarded

— capacity to build from 5-7 substations at the same time

ENGIE offshore wind experience & competences

41

Tractebel ENGIE (incl. IMDC) provided development

support, engineering & construction Follow-up of

Thornton bank project

Offshore wind projects in development (with partners):

— Mermaid: 250 MW in Belgium

— Le Tréport & Noirmoutier: 2 x 500 MW in France

— WindFloat Atlantic: floating wind, 25MW in Portugal

— Pre-development of floating project in French Mediterranean

ENGIE offshore wind experience & competences

42

Does ENGIE want geothermal power plants in its portfolio?

If so, what would be ENGIE’s strategy to accomplish this given the unfavorable risk profile?

Is ENGIE able to compete with current operators/owners?

How to increase ENGIE’s competitiveness?

How Metier CenGen can help achieving this objective?

Questions

05/02/2016 Global Wind Market Outlook 43

Questions?