Renewable power falls as Texas wind underperforms

U.S. renewable power generation fell 4 percent in August, compared with the same month a year ago, as Texas wind and other resources underperformed, according to an analysis from research firm Genscape.

Wind generation in Texas fell 19 percent between July and August, according to Genscape estimates for production for the Electric Reliability Council of Texas grid.

Lower Texas wind generation, the nation’s largest wind resource, brought down overall renewable generation figures, Genscape said.

Graphic: Genscape
Graphic: Genscape

The low wind production also led to higher electricity prices in West Texas, where wind generation typically helps lower consumer costs, the company said.

In the Midwest, wind generation fell 11 percent, Genscape said.

Hydroelectric power generation in the Pacific Northwest was also down, falling 26 percent compared with August 2012, the research firm said.

Renewables: Americans want more wind, less costs

“After above normal temperatures in the beginning of April lead to an early snow melt, Genscape’s Market Intelligence team predicted 2013 would be the second lowest hydro season in the last five years, significantly below 2011 and 2012,” the company said. “This forecast appears to be coming to fruition with Genscape’s monitored hydro generation down 13 percent year-to-date.”

Coal power generation also fell in August, mainly because of lower power demand nationwide, Genscape said. Lower summer temperatures led to lower power demand from consumers, the company said.


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