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A herd of sheep keep the grass trimmed at OCI Solar Power's 4.4-megawatt solar farm, Alamo 2. Photo Courtesy of CPS Energy.

A herd of sheep keep the grass trimmed at OCI Solar Power’s 4.4-megawatt solar farm, Alamo 2. Photo Courtesy of CPS Energy.

A herd of sheep keep the grass trimmed at OCI Solar Power’s 4.4-megawatt solar farm, Alamo 2. Photo Courtesy of CPS Energy.