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 3".  The full solicitation on the SUPPORT GRANTS FOR PARTICIPATION IN ARPA-E GRID OPTIMIZATION (GO) COMPETITION CHALLENGE 3 FOA and additional information can be found on the ARPA-E Funding Opportunity Exchange website (https://arpa-e-foa.energy.gov).