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CECRE

CECRE

The CECRE Renewable Energies Control Centre is the first in the world to manage the generation of electricity using renewable energy sources. It was established by the Spanish grid operator Red Eléctrica de España (REE) in 2007 to allow the maximum amount of production from renewable energy sources to be integrated into the power system under secure conditions and in response to the system’s needs. The Cecre permitted the incorporation on the 8th of November 2009 of up to 251.543 MWh of wind power production, 44 per cent of the electrical demand of that day. Wind energy covered13% of the demand in 2009. Thanks to this centre, a growing supply of renewable energy satifies demand and which n 2009 reached a total of 26%.

Minute-by-minute control
All wind farms over 10 MW are connected to the CECRE, which can control wind power generation in real time. It can integrate the largest amount of this energy as possible without putting the power system at risk by sending appropriate instructions to wind turbines to slow down or disconnect when a specific security threshold is reached. It can also calculate loss margins when wind turbines disconnect due to voltage dips.

The CECRE can also manage the variable nature and difficulty of predicting wind power, which has covered between 53% and 1% (when there was no wind) of demand during 2009.

Gráfico demanda eléctrica

Real-time data on electricity production and total associated carbon dioxide emissions are
published by REE on its website.



Address Paseo del Conde de los Gaitanes, 177
28109 Alcobendas
Madrid
Tel + 34 916 508 500 / 502 012
Website http://www.ree.es