| Communication means for warning of outage | Frequencies for households | Frequencies for VSEs |
| SMS | 87.5% | 89.8% |
| Radio | 44.8% | 32.7% |
| TV | 42.4% | 28.6% |
| Social network | 9% | 7.1% |
| Operator’s employee | 5.7% | 2.0% |
| Operator’s website | 2.7% | 1.0% |