Colombia hydro reservoirs continue to recover

Bnamericas Published: Thursday, September 11, 2014

The average level of Colombia's hydroelectric reservoirs was 3.3% higher in August than it was in July as they continue on the road to recovery.

New figures from local power wholesaler XM show levels have increased despite the onset of the periodic weather phenomenon known as El Niño, which affects rainfall in Colombia.

Effects are expected to be most severe during the end of this year and early 2015.

Total hydroelectric water reserves stood at 11,371GWh at end-August, up from 11,003GWh at end-July. The increase was mainly due to increased rainfall in central Colombia, XM said.

Demand on Colombia's national SIN grid totaled 5.419TWh in August, up from 5.196TWh in the same month last year. Peak demand hit 9,198MW, down from 9,318MW.

Colombia's top electricity users in August included industrial manufactures (798GWh), mining and petroleum firms (381GWh) and social, communal and individual services sector (205GWh), XM said.

Electricity exports hit a year-to-date low in August, with 0.2GWh to Venezuela and 16.3GWh to Ecuador.

On a year-on-year comparison hydroelectric generation grew 2.1% to 3.66TWh in August, thermoelectric generation rose 7.3% to 1.46TWh, small-scale generation fell 7.3% to 246GWh and cogeneration rose 27.9% to 43.6GWh.

Hydroelectric generation accounted for 67.6% of August output, down from 68.3% a year ago. Thermoelectric generation rose to 27% from 26%, XM said.

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