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© Nordex 2019 | 22. Oktober 2019 |

› Classification: Internal Purpose

Nordex Group

Product InnovationsDelta4000 Variants and Upgrades

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© Nordex 2019 | 22. Oktober 2019 |

› Classification: Internal Purpose

Delta 4000: Nacelle 100 produced this week in Rostock

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© Nordex 2019 | 22. Oktober 2019 |

› Classification: Internal Purpose

First 20+ series turbines installed in the field as of October

Scandinavia Germany

21 serial turbines – N149 3 Prototypes – two N149 one N133

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© Nordex 2019 | 22. Oktober 2019 |

› Classification: Internal Purpose

Full prototype testing and certification achieved

Three prototypes thoroughly tested Type Certificate Obtained

First 4 MW+ ~150m rotor wind turbine installed globally

Installed & commissioned in Sept. 2018

Performance as expected

System validation complete

Design Assessment obtained

Type Certificate obtained

power modes up to 4.8 MW included via VPC

Power Curve Meeting Targets

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© Nordex 2019 | 22. Oktober 2019 |

› Classification: Internal Purpose

Delta4000 product series – as basis for further product innovations

5

N149/5.XN133/4.8

N155/4.5

N163/5.X

IEC 1 IEC 2

Wind class

IEC 3

low

hig

h

N149/4.0-4.5

Sit

e c

om

ple

xit

y

(e.g

. tu

rb

ule

nce…

)

Turbine Public Release PT Installed Serial Start Type Certificate

N149/4.0-4.5 09/2017 09/2018 03/2019 08/2019

N133/4.8 04/2018 08/2019 03/2019 12/2019

N149/5.X 03/2019 Q4/2020 Q1/2021 Q4/2021

N155/4.X 05/2019 Q3/2020 Q3/2020 Q2/2021

N163/5.X 08/2019 Q4/2020 Q1/2021 Q4/2021

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© Nordex 2019 | 22. Oktober 2019 |

› Classification: Internal Purpose

One Nacelle – Two 5.X turbine variants

6

N149(NR74.5)

N163(NR81.5)

N149/5.X N163/5.X

N149/4.0-4.5

Basis:› Certified and proven

Delta4000 technology

Upgrade:› One nacelle – Two 5.X

turbine variants

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© Nordex 2019 | 22. Oktober 2019 |

› Classification: Internal Purpose

N163/5.X - Flexible rating

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5.7 MW

5.X MW

5.5 MWMedium suitability (IEC S)

2.58 MW

Increasing power

Increasing suitability, reduced sound

5.2 MWlower sound

high suitability

N149 & N163/5.X

N149 & N163/5.X is designed for a high flexibility and ensures maximum performance under various site conditions

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© Nordex 2019 | 22. Oktober 2019 |

› Classification: Internal Purpose

N149 & N163/5.X - Overview technical changes compared to N149/4.0-4.5

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Enhanced cooling system- Split in 2 circuits

Adapted coupling- Higher nominal torque

New gearbox & shrink disc - Higher nominal torque

Enhanced pitch bearing

Reinforced structural components

Upgraded power transmission system - Higher rating 5.7 MW- Increased voltage level to 750V

New rotor blade NR81.5

Adapted spinner and rain deflector- Design adaption caused by rotor blade

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© Nordex 2019 | 22. Oktober 2019 |

› Classification: Internal Purpose

N149 & N163/5.X - Timeline and milestones

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2019 2020 2021

Q3/Q42020

PrototypeDECS

Q3/Q42021

Type Certification

Q12021

Serial Production

Start

Official Market Launch

04/19

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© Nordex 2019 | 22. Oktober 2019 |

› Classification: Internal Purpose

N163/5.X – AEP by WTG comparison in a typical medium wind site –LAND CONSTRAINED – 7.5m/s

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N149/5.7N163/5.7N163/5.5

gro

ss A

EP*

N149/4.8N149/4.38

+8,9%

+17%+20%

Wind Conditions

measurement height [m] 125

v_ave [m/s] 7.5

weibull k [-] 2.2

shear exponent [-] 0.25

air density [kg/m³] 1.225

*Based on a turbine level comparisonAssumed all WTGs at same hub height

Comparable suitability levels

AEP

Strong performance

and yield

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© Nordex 2019 | 22. Oktober 2019 |

› Classification: Internal Purpose

Further optimization potential to be leveraged with the project optimization toolkit

Factoring Early Revenue Specific Tower COE Layout Opt

Advanced Model.

Specific Warranties

AIS Warranty Variable PC

Grid Optimization

Full Weather Risk

Technical Interactions

Specific Costing