The ingrated, emitted, suscribed and inscripted capital of Enel Generación El Chocón amounts to 198.584.050 shares whose structure is organized in the following way:
| SHAREHOLDER | AMOUNT OF SHARES | CLASS | EQUITY PARTICIPATION % |
| Hidroinvest S.A. | 152,277,866 | A | 51.0000% |
| Hidroinvest S.A. | 23,886,723 | B | 8.0000% |
| Provincia del Neuquén | 89,276,631 | B | 29.9000% |
| Enel Argentina S.A. | 18,493,689 | B | 6.1938% |
| Enersis Américas S.A. | 7,405,768 | B | 2.4803% |
| Germano Valle | 1,270,839 | B | 0.4256% |
| Provincia de Río Negro | 853 | B | 0.0003% |
| Banco de la Nación Fiduciario | 5,971,681 | C | 2.0000% |
| TOTALES | 298,584,050 | 100.0000% |