The chart shows a detail of the electric energy generated by HB during the period comprised between January 2002 and October 2003. From January to May 2002, a monthly average of 537,500 kWh was produced by the old Chojlla Plant. As of the month of June 2002, the monthly production of electric energy increased to 14,300 MWh during the dry season and up to 37,382 MWh during the rainy season.