Survey: Who is responsible for power outages (Brazil)?

1.In your opinion, should the municipalities of each city keep the low-voltage circuits free and unobstructed as established by ANEEL regulations?
2.In your opinion, should the local concessionaires serving each city keep the high-voltage circuits free and unobstructed as established by ANEEL regulations?
3.In your opinion, should ANEEL (regulator) be responsible for PERMANENT monitoring to verify that the low and high-voltage circuits are free and unobstructed as established by regulations?
4.In your opinion, and considering that power outages are systematically above regulatory limits (15 hours/year), what should happen: