The first 1.7MW of the country's first solar plant were inaugurated by President Evo Morales at the beginning of the month.
Spanish EPC contractor Isastur, which developed the PV plant, says it is expected to reach full capacity in December.
Cobija, in the remote northern department of Pando, includes back-up diesel-fired generators and a power-storage system.
According to Yingli, the plant, which is off-grid because it lacks transmission links, will offset the consumption of 1.9