This document includes questions and answers that pertain to the ARPA-E Funding Opportunity Announcement (FOA) entitled "Support Grants for Participation in ARPA-E GRID Optimization (GO) Competition Challenge 1 DE-FOA-0001952".  The full GRID GO Competition Challenge 1 FOA and additional information can be found on the ARPA-E Funding Opportunity Exchange website (http://ARPA-E-FOA.energy.gov).