Webinar: Performance improvements achieved through advanced data analysis


Date: 29th September
Time: 15:00-16:00 CET


During this complementary webinar a real case study of a 700+ MW portfolio (built up since 2012) will be discussed. Highlighted topics will be:

  • Successful methodologies applied
  • Achievable ranges of improvement
  • Resulting economical effects
  • Effects of unprofessional maintenance work

Mr. Gerhard Mütter will explain, from the asset owner perspective, how his team has managed to increase the performance of a PV portfolio of over 700 MW in Europe in the last 3 years, mostly through advanced data analysis. 

Mr. Mütter will go through the applied methodologies and the resulting improvements, including an economical assessment of the higher financial results thereby obtained.  Throughout his presentation, Mr. Mütter will discuss of the impact rain has on PV plants, how to detect defective modules and the impact of unprofessional maintenance work. At the end of the presentation, ample room will be left for Q&As.

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Real case study based on a huge PV portfolio:                     Main challenges encountered: 
  • Lots of different local environments (climate, grid operator, landscape etc.)
  • Long distances on bad roads, Pv plant - airport distance sometimes over 5 hours
  • Human factor (different mentalities, inefficient reporting, varying education/training level of local service team etc.)
  • More than 700 MWp, ~ 3 Mio modules, ~1.400 Inverter, 
  • Approx. 1.350 ha park area, ~ 500 ha module surface, 
  • 1.695 km module table border (HAMBURG<->Rome
  •  More than 10.000 km power cables

4-5% increase of final energy production is possible. Find out how.

... Modules are after such heavy rain so clean that additional effects on manual cleaning are not measurable. If the same amount of water would rain down over longer time no or only little effects will be there
... This is how we managed to reduce losses on Inverter/Combiner boxes from 4-5% of possible production to less than 0,8% in all our controlled parks within 2 years.
... We detected 126 of 128 only minor defective modules in a park with 121.176 modules
... We are now able to share the economical aspects of keeping technical performance high ...