The company’s shareholder capital is divided into 76,086,311,036 shares, with no face value, all belonging to the same series.
As of December 31st, 2019, all shares were subscribed and paid, and they were owned in accordance with the following breakdown:
| Shareholders | Shares | % |
| Enel S.p.A | 43,568,705,287 | 57.26% |
| ADR's (Citibank N.A. according to circular 1.375 of the CMF) | 5,063,569,028 | 6.66% |
| Chilean Pension Funds | 10,693,407,523 | 14.05% |
| Custodian Banks | 1,440,251,353 | 1.89% |
| Foreign investment funds | 11,408,472,227 | 14.99% |
| Brokers, Insurance companies and Mutual Funds | 2,653,045,608 | 3.49% |
| Other Shareholders | 1,258,860,010 | 1.65% |
| Total shares | 76,086,311,036 | 100.00% |