By decreasing the participation of geothermal plants in the generation process, electric system production expenditures in Baja California increased with an annual rate of 3.7% in 2005 and reached 122.80 USD/MWh. In parallel, the electricity average price grew with an annual rate of 8.3%, and in 2004, it was 86 USD/MWh. The latter value was controlled by the tariffs of residential and industrial customers.