Barcelona 12 15 May 2003 EDP Distribuio Energia

Barcelona 12 -15 May 2003 EDP Distribuição Energia, S. A. Network Energy Efficiency The connection of wind plants to the grid in the portuguese legislation BRITO Portugal Session 4 – Block 1 – Question 1 1

Barcelona 12 -15 May 2003 Wind Plants • Usually wind plants are built in far away places (hilltops); • Which are far from the loads; • It is necessary to construct long lines; • Which causes losses of energy. BRITO Portugal Session 4 – Block 1 – Question 1 2

Barcelona 12 -15 May 2003 Wind Plants • The system will be more efficient if the wind plants are placed nearer to the loads; • These places are less windy, therefore less interesting to the investors. BRITO Portugal Session 4 – Block 1 – Question 1 3

Barcelona 12 -15 May 2003 Wind Plants • The construction of wind plants nearer to the loads can be economically stimulated; • Using a parameter (Z) that multiplies the environment remuneration. BRITO Portugal Session 4 – Block 1 – Question 1 4

Barcelona 12 -15 May 2003 Wind Plants Environment Remuneration BRITO Portugal Session 4 – Block 1 – Question 1 5

Barcelona 12 -15 May 2003 Wind Plants • The multiplier Z takes the following values according to the hours of use of declared power: • In the first 2 000 hours. . . Z=1, 70 • Between 2 000 and 2 200 hours. . . Z=1, 30 • Between 2 200 and 2 400 hours. . . Z=0, 95 • Between 2 400 and 2 600 hours. . . Z=0, 65 • Above 2 600 hours. . . Z=0, 40 BRITO Portugal Session 4 – Block 1 – Question 1 6

Barcelona 12 -15 May 2003 Wind Plants BRITO Portugal Session 4 – Block 1 – Question 1 7

Barcelona 12 -15 May 2003 Wind Plants • This procedure contributes to the network efficiency: • The length of the lines that interconnect the wind plants to the grid is shortened; • It is obtained a decrease in losses. BRITO Portugal Session 4 – Block 1 – Question 1 8

Barcelona 12 -15 May 2003 Percentile distribution of production under a special regime BRITO Portugal Session 4 – Block 1 – Question 1 9