Most of the houses in La Ventana, where I live (40 minutes southeast of La Paz) have electricity. There are some specific areas where electricity is not available but in La Ventana, about 80% of the houses here have electric supply. Most of La Paz has normal power supply so they don’t have any problem about electricity. In Los Cabos, there are also some area that don’t have electric supply and they use solar power. Some areas there are running on 100% on solar power.
CFE (Comision Federal de Electricidad) is the electric company in Mexico. If you have a contract with them, you will have reliable electric service. Sometimes it is good to have a backup generator because when there is a hurricane, it might cause damage that may cause blackouts that go for days or even a week but that only happens when there is a strong hurricane. The problem that some people encounter is that they keep a generator at home to prepare for this kind of calamity but once it is time to use the generator, it doesn’t work.
(Electric poles seen in background of house designed and built by Jabre Construccion, La Ventana, Baja California Sur, Mexico, pictured.)