Optimising Wind Farms In Cold Climates

Optimising Wind Farms in Cold Climates

Forum Day 1: Thursday 10 December 2015



Chair's Opening Remarks 

Matthew Wadham-Gagnon , Project Lead, TechnoCentre éolien

Financial, Site And Wind Assessment 


Reducing Financial Risk When Developing Wind Farms In Cold Climates

  • How do banks perceive icing?
  • Improving standards on cold climates for increased project bankability
  • Current best practices to minimise financial risks 

Ville Lehtomaki , Research Scientist, VTT


Investigating Wind Turbine Icing By Combining SCADA Data And Modeling   

  • Why a standard approach to icing detection from SCADA data is necessary
  • How meteorological modeling can enhance our understanding of icing periods identified from SCADA data, reducing risk and increasing output
  • Comparison of turbine power output in active and passive icing conditions

Neil Davis, Research Assistant, DTU 

Icing: Weather Forecasting And Modelling 


Production Losses Due To Icing - Validation Of Model Chain

  • Observed and modeled liquid water content
  • Validation of production loss model based on SCADA data
  • Examples of applications such as site assessment year to year variability, and performance of de-icing systems

Stefan  Söderberg, CEO, Meteorologist Wind Analyst, WeatherTech Scandinavia AB  


Networking Break And Morning Refreshments 


Effectively Determining Icing Variability In Space And Time

  • Using modelling to determine icing variability
  • Winter variability and the impact on icing predictability
  • Considering the different location factors when assessing icing variability 
  • What solutions should developers apply to counteract icing unpredictability? 

Mark Zagar  , Meteorologist,  Vestas 


Modelling Long-Term Icing Potential In Order To Reduce Uncertainties

  • Assessment of measured short term icing and meteorological data at a specific site
  • Modelling of long term icing conditions
  • Comparing modelling predictions with real icing data
  • Ascertaining icing probability at a specific site
  • Taking into account site conditions in order to find the best-fit icing modelling to limit uncertainty

Hans Ole. Lørup , Nordic Business Manager, Sgurr Energy


Advancements On How To Avoid Production Losses Due To Icing

  • Measurements with nacelle mounted lidar under icing conditions
  • Looking into the latest model developments and gains in tackling production losses
  • Model verification versus SCADA data

Øyvind Byrkjedal, R&D Manager, Kjeller Vindteknikk  


Networking Lunch 

Hands-on Experience OF Reducing Losses Caused By Icing 


Quantification Of Energy Loss Caused By Icing Using Scada Data And Pre-Construction Meteorological Masts In The Nordic Region

  • Looking at interannual icing loss variability for a more accurate estimation
  • The influence a control strategy can have on a turbine’s icing loss
  • Use of pre-construction data to estimate post-construction losses
  • Applying long-term corrections to pre-construction estimates
  • A validated icing map of Sweden and impact on reducing energy loss

Carla Ribeiro , Head Of Department, Project Development, DNV GL


How Ice Prevention Increases Project Profitability 

  • How to create a better business case by removing ice uncertainty
  • Winter ride-through: keep turbine in production through icing 
  • What are the retrofit requirements to ensure effective ice prevention? 
Petteri Antikainen, CEO, Wicetec 

Networking Break And Afternoon Refreshments 

Testing And Standardisation Measures 


Development Of Materials And Testing Of Surfaces To Help Counteract Icing Challenges 

  • Considering the potential of ice-adhesion testing and, specifically, glare-ice and rime-ice factors
  • Advancements in icing-tests in lab-scale
  • Pros and cons of icing-tests in icing wind-tunnels
  • Examining the results of natural icing testing and the impact on reducing surface icing 

Dr. Gesa Patzelt   , Project Manager, Fraunhofer IFAM


Overview Of Test And Certification Possibilities For Cold Climate Compliance

  • What are the possibilities in Europe to test for cold climate compliance – a closer look on laboratory and field testing possibilities
  • Pros and cons of different available test infrastructure for cold climate testing  
  • A closer look at the benefits of climate chamber testing to reduce risk, proof cold climate compliance and certification purpose

Pieter Jan Jordaens , Business Development And Innovation, OWI Lab 


IEA Task 19 Panel Discussion: From ‘Best Practices’ To Standardisation Of Icing Measures And Cold Climate Compliance 

  • Examining existing standards and requirements and expanding them to meet specific icing challenges 
  • How to advance the state-of-the-art on testing for cold climates
  • Developing fit for purpose standards on icing severity and loss
  • Bridging the gap between test standards and certification for cold climates

Participants include:

Ville Lehtomaki , Research Scientist,  VTT

Pieter Jan Jordaens Business Development & Innovation,  OWI Lab

René Cattin , Head Of Meteorology, Meteotest 

Göran Ronsten, O&M Manager, Swedish Wind Energy Coop 


Chair’s Closing Remarks 


End of Day 1 

event partners

praise for optimising wind farms in cold climates

“Excellent Networking.”  UTT Research Science, UTT


“Interesting event from market / technology intelligence on cold climate wind turbines.” 
Business Development & Innovation, Sirris / Owi-Lab

Nelja Energia
“Great event with really focused content.” 
Production Manager, Nelja Energia AS


“Lots of useful information and experiences.” 
Wind & Site Engineer, Cowi A/S


“Good experience and information sharing.” 
WTG Technology Manager, Vattenfall

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