This document includes questions and answers that pertain to the ARPA-E Funding Opportunity Announcement (FOA) entitled "Seeding Critical Advances for Leading Energy technologies with Untapped Potential 2021 (SCALEUP 2021) )".  The full solicitation on the SCALEUP 2021 FOA and additional information can be found on the ARPA-E Funding Opportunity Exchange website (https://arpa-e-foa.energy.gov).