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Normalized onshore wind energy in Belgium, year 2013

Homepage Forecast data 2014 Solar Offshore wind Summary

This page shows daily plots of forecast grid data for onshore wind energy in Belgium, year 2013. We use quarter hour forecast data from Elia, which is corrected with up-scaled measurement data for the monitored capacity. The monitored capacity can deviate from the installed capacity; and it can change over time. Therefore values normalized to kWh/day per kWpeak, and also hourly fluctuations are provided. In general grid forecast data is more accurate than weather re-analysis from satellite data.

onshore2013JanFebMarAprMayJunJulAugSepOctNovDec
Monitored capacity (GWpeak)0.880.740.740.730.740.920.950.950.950.991.01.01.0
Cumulative energy (GWh)179915230045260874587795710141099130714991799
Monthly energy (GWh)179915214815215613713379.756.885.5208192301
Normalized cumulative sum (kWh/kWpeak)20462074086158279761115119912581344155317452046
Normalized monthly energy (kWh/kWpeak)204620720120721214913983.659.786.0208192302
Normalized cumulative distribution [%]100 %10.1 %19.9 %30.0 %40.4 %47.7 %54.5 %58.6 %61.5 %65.7 %75.9 %85.3 %100 %
Normalized monthly distribution [%]100 %10.1 %9.83 %10.1 %10.4 %7.27 %6.8 %4.09 %2.92 %4.2 %10.2 %9.39 %14.7 %
Capacity factor [%]23.4 %27.8 %29.9 %27.8 %29.5 %20.0 %19.3 %11.2 %8.02 %11.9 %28.0 %26.7 %40.5 %
Average hourly data:
The plots below show hourly data, normalized to kiloWatt per installed capacity expressed in kiloWatt peak. The Elia grid data contains four data points per hour, these are averaged to represent a single hour on the plot. So the hour 14 combines data points from 14:00, 14:15, 14:30 and 14:45 for example. In the legend we display the avarage daily generated energy in kWhpeak per month. The maximum achievable energy per day is 24 kWh per kWpeak of installed capacity, since there are 24 hours in a day. Fluctuations are summarized with boxplots for the entire year and per month.

Belgium, average daily solar PV energy plot

Acknowledgement: many thanks to Elia for open access to onshore wind grid data of Belgium at www.elia.be/en/grid-data. This data is licensed under the Elia Open Data License, which uses the CC BY-4.0 public license, and is governed by Belgian law.

User guide: most of the figures on this page are dynamic boxplots. A png image can be downloaded with the pop-up window at the right upper side. These functions require that javascript is enabled. Boxplots are explained here.


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