How much land does solar need? OH There's over 26 million acres of cropland in lowa. Duane Arnold Solar I and II has limited impact, representing only 0.002%. DuaneArnoldSolar.com Duane Amold Solar, LLC and Duane Amold Solar II, LLC are indirect, wholly-owned subsidiaries of NextEra Energy Resources, LLC How much land does solar need ? OH There's over 26 million acres of cropland in lowa . Duane Arnold Solar I and II has limited impact , representing only 0.002 % . DuaneArnoldSolar.com Duane Amold Solar , LLC and Duane Amold Solar II , LLC are indirect , wholly - owned subsidiaries of NextEra Energy Resources , LLC