Largest Dual-axis Tracker Solar PV Project In US Now Operational


ConEdison has announced the commissioning of the largest solar PV project using dual-axis trackers.

ConEdison and CPS Energy commissioned the Alamo 5 solar farm in Texas. The project has an installed capacity of 118 MW (DC). The power generated from the power project shall be sold to the local gas an electric utility CSP Energy through a long-term power purchase agreement.

Because of its dual-axis trackers, Alamo 5 generates power with high efficiency. Such trackers allow for optimum solar energy output because of their ability to follow the sun both vertically and horizontally. The dual-axis trackers, which utilize a patented “solar-sensing” technology to capture maximum solar resource, were produced by Sun Action Trackers, a San Antonio-based manufacturer of solar tracking and racking systems.

“We are the solar leader in Texas with 230 megawatts in the ground, and that will more than double to 500 megawatts by year’s end,” said Cris Eugster, CPS Energy’s executive vice president and chief generation and strategy officer. “The dedication of Alamo 5 represents a significant milestone in our commitment to generate at least 65 percent of our energy from low- or no-carbon resources by 2020.”



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