Table 1 Ranking of Chilean water utilities based on operational efficiency (OE), quality-adjusted efficiency (QAE), and operational & quality-adjusted efficiency (O&QAE).
From: Measuring operational and quality-adjusted efficiency of Chilean water companies
Type water utility | OE | Rank | QAE | Rank | O&QAE | Rank | |
|---|---|---|---|---|---|---|---|
Aguas Andinas | Full private | 1.000 | 1 | 1.000 | 1 | 1.000 | 3 |
Essbio | Full private | 0.876 | 20 | 1.000 | 1 | 0.927 | 17 |
Esval | Full private | 0.849 | 21 | 0.976 | 14 | 0.791 | 21 |
Nuevo Sur | Concessionary | 0.961 | 14 | 0.946 | 19 | 0.938 | 16 |
Essal | Full private | 0.942 | 16 | 0.934 | 21 | 0.900 | 20 |
Aguas del Valle | Concessionary | 0.954 | 15 | 0.955 | 18 | 0.970 | 14 |
Aguas de Araucania | Concessionary | 0.935 | 18 | 0.956 | 17 | 0.912 | 19 |
Smapa | Public | 0.983 | 12 | 0.997 | 8 | 1.000 | 1 |
Aguas de Antofagasta | Concessionary | 0.925 | 19 | 1.000 | 1 | 0.987 | 12 |
Aguas del Antiplano | Concessionary | 0.940 | 17 | 0.941 | 20 | 0.913 | 18 |
Aguas Cordillera | Full private | 1.000 | 1 | 0.975 | 16 | 1.000 | 4 |
Aguas Chanar | Concessionary | 0.968 | 13 | 0.975 | 15 | 0.959 | 15 |
Aguas Magallenas | Concessionary | 0.984 | 11 | 1.000 | 1 | 1.000 | 1 |
Aguas Decima | Full private | 0.998 | 4 | 0.990 | 12 | 0.992 | 10 |
Aguas Patagonia | Concessionary | 0.987 | 10 | 0.988 | 13 | 0.985 | 13 |
Aguas Chacabuco | Full private | 0.994 | 9 | 0.993 | 10 | 0.991 | 11 |
Aguas San Pedro | Full private | 0.995 | 8 | 0.999 | 6 | 0.999 | 6 |
Aguas San Isidro | Full private | 0.998 | 5 | 0.998 | 7 | 0.998 | 7 |
Aguas Manquehue | Full private | 0.997 | 7 | 0.993 | 11 | 0.995 | 9 |
Aguas Lampa | Full private | 0.999 | 3 | 0.996 | 9 | 0.996 | 8 |
Coopagua | Concessionary | 0.997 | 6 | 1.000 | 1 | 1.000 | 5 |
