Dell's Round Rock, Tx Site (and 8 others) Powered by 100 % Renewable Energy.

In June of 2009 Dell announced that they source over 1/4 of their global energy needs from renewable sources.
 
" ... powers nine ... facilities in the United States and Europe with 100 percent renewable energy. ... Round Rock, Texas; Twin Falls, Idaho and Oklahoma City, Okla. ..."

In addition to using a significant amount of renewable energy sources they " ... plan to reduce ...  greenhouse gas emissions by 40 percent by 2015. ... "

Dell follows a simple 3-step model where they work efficiently (energy-wise), use renewable energyand offset with carbon credits from verified sources.

" ... only company in the computer industry to achieve operational carbon neutrality in August 2008 ..."


Via:  DELL  LINK