My home town in crisis

I live in Medan,places in Sumatera Island, Indonesia.In indonesia, electricity produced & organized by a company,built by government.called PLN.
basely, the other companies doesn't have authority to product and distribute electricity.we called "monopoly system".
since 2001, Energy crisis happened in Medan,the result is the electricity always stop flowing,4 hours a day.sometimes almost 8 hours.that make peoples has trouble to do their work,almost all of the activities need electricity.many works delayed,contract canceled and claimed,we lost in every aspect.why energy crisis can happened??