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Scaled Energy are part of "The Renewables Ring"

Endurance X-35, 225kW Wind Turbine

With a massive rotor, this turbine has the highest output in the X-series.

Designed in Denmark by Norwin, the X Series design has proven highly durable and productive in more than 25 years of service around the world.The growing X Series fleet is rapidly building an impressive performance record after a smooth and successful UK debut. On a foundation of proven design the X35 is built in Britain and supported by Endurance field service technicians. For these reasons, knowledgeable developers and investors are demanding the X Series turbines for their renewable energy projects.

Designed in Denmark

Made in Britain

Installed Worldwide

Buy an X35
  • Danish Design
  • Made in Britain
  • Reliable
  • Bankable
Get one Free
  • Share the benefits
  • No cost or risk to you
  • The most generous deal available

At the heart of the Endurance X35 is the time-tested X Series design. With a proven performance record spanning over 25 years, the original design has been refined with hundreds of engineering improvements and technical advances.

The X35 is ideal in rural locations for businesses in dairy, crop and animal husbandry; for schools and public buildings and a range of industrial applications.

Key Specs
  • 225kW at 15m/s
  • 30m/40m towers
  • Incredibly Robust
Strong Pedigree
  • Danish Design
  • 27 years operation
  • 329 installed worldwide
  • Made in the UK
  • Fantastic R.O.I
  • Bankable & Insurable

Power Curve

Power Curve

Annual Energy Production (AEP)

Annual Energy Production (AEP Chart)


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X35 Specifications

Annual Energy Production (AEP)

Annual Average Hub Height Wind Speed (m/s) Annual Energy Production (MWh)
5.0 336
5.5 429
6.0 524
6.5 616
7.0 704
7.5 787
Configuration 3 blades, horizontal axis, upwind
IEC 61400-1 Turbine Class Class 3A
Rated power 225 kW
Applications Direct grid-tie
Rotor speed 30.8 rpm
Cut-out wind speed 20 m/s (56 mph)
Survival wind speed 52.5 m/s (117 mph)
Rotor diameter 35m
Swept area 962m²
Blade material Fibreglass composite
Power regulation Stall control (constant speed)
Type Induction Generator
Configuration 3Φ, 400 VAC @ 50 Hz
Brake & Safety Systems
Main brake system Turnable blade tips
Secondary safety Failsafe mechanical brakes
Automatic shut down

triggered by

- High wind speed
- Grid failure
- Over-speed
- All other fault conditions
Control System Programmable logic controller (PLC)
User Interface ERIC™ Endurance Remote Interface Center
Turbine & controls 5 years parts and labour
Optional Extentded Warranty
Performance Warranties
Types Free-standing monopole:
30m (98.4ft),
40 m (131.2 ft)
Maintenance access Safe climbing system
Internal Ladder
0131 510 1401