Powering Europe - European Wind Energy Association
Powering Europe - European Wind Energy Association
Powering Europe - European Wind Energy Association
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to 24 hours ahead). Furthermore, well interconnected<br />
electricity networks bring many advantages. In order<br />
to control the possible large incidental forecast errors,<br />
reserve scheduling should be done in as short as possible<br />
time frames (short gate-closure times), assisted<br />
by real time data on wind power production and<br />
site specific wind conditions. The significant economic<br />
benefits of improved accuracy justify investment in<br />
large meteorological observational networks.<br />
The way grid code requirements in <strong>Europe</strong> have been<br />
developed historically has resulted in gross inefficiencies<br />
for manufacturers and developers. As the<br />
amount of wind power in the system continues to<br />
grow in <strong>Europe</strong>, there is an increasing need to develop<br />
a harmonised set of grid code requirements.<br />
Harmonised technical requirements will maximise efficiency<br />
for all parties and should be employed wherever<br />
possible and appropriate. However, it must be<br />
noted that it is not practical to completely harmonise<br />
technical requirements straight away. In an extreme<br />
case this could lead to the implementation of<br />
the most stringent requirements from each Member<br />
chApTEr 2 <strong>Wind</strong>generationandwindplants:theessentials<br />
State. This would not be desirable, economically<br />
sound, or efficient.<br />
EWEA proposes a two step harmonisation approach<br />
for grid codes, namely a structural harmonisation followed<br />
by a technical harmonisation. The proposed harmonising<br />
strategies are urgently needed in view of the<br />
significant increase in foreseen wind power penetration<br />
and should be of particular benefit to:<br />
• Manufacturers, who will now be required only to develop<br />
common hardware and software platforms<br />
• Developers, who will benefit from the reduced costs<br />
• System operators, especially those who have yet to<br />
develop their own grid code requirements for wind<br />
powered plants<br />
The technical basis for the requirements should be<br />
further developed in work carried out jointly between<br />
TSOs and the wind power industry in studies at <strong>Europe</strong>an<br />
and international level. If the proposals can be<br />
introduced at <strong>Europe</strong>an level by means of a concise<br />
network code on grid connection, it will set a strong<br />
precedent for the rest of the world.<br />
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