Hydro up, marginal costs down on Chile's SIC grid

Friday, September 12, 2014

Generation on Chile's central SIC grid totaled 4.47GWh in August, up 2.4% from the same month last year.

Hydro power accounted for 56% of the total, up from 35.8%, according to the latest monthly stats report from operator CDEC-SIC. Thermo's contribution fell to 40.9% from 62.8%, while wind increased to 2.4% from 1.4%.

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Average marginal costs at the benchmark Quillota 220kV substation fell 63.7% to US$73.50/MWh.

Solar accounted for 0.7%, up from zero. Biobío region (VIII) contributed 38.6% of generation, followed by Valparaíso region (V) with 21.5% and Maule region (VII) with 16.4%. Other regions contributed the rest.

Estimated power sold for the month stood at 4.20GWh, up 2.7%.

Peak daily generation was recorded August 6 at 154GWh, up 2.8% from the monthly high a year ago (150GWh).

The 2014-15 hydrological year, which began April 1, is projected to by drier than 71% of those on record in Chile, according to the report.

In an earlier statement on Chile's 2014-15 thaw period (October-March), CDEC-SIC said that the Maule basin was expected to have dry conditions, while the Laja and Bio-Bío basins further south were projected to have normal-dry conditions.

The Aconcagua, Colorado and Rapel basins were projected to have drier conditions, respectively, than 90%, 85% and 90% of thaw periods on record.

BNamericas will host its 11th Southern Cone Energy Summit in Lima, Peru, on November 12-13. Click here to download the agenda.