- ARPA-E-CO@hq.doe.gov For questions regarding Funding Opportunity Announcements
- Every Friday, ARPA-E will post responses to any questions that were received by Wednesday at 12 PM ET. (Questions received after Wednesday at 12 PM ET will be answered the following week). Responses are posted to "Frequently Asked Questions" (see hyperlink below).
- ARPA-E will cease to accept questions 96 hours in advance of the applicable deadline. Responses to the last questions will be posted at least 24 hours in advance of the applicable deadline. ARPA-E may consolidate similar questions for administrative purposes.
- ExchangeHelp@hq.doe.gov - For questions regarding ARPA-E’s online application portal, ARPA-E eXCHANGE
- ARPA-E eXCHANGE - ARPA-E’s online application portal
FREQUENTLY ASKED QUESTIONS (FAQS)
Responses to questions are posted to the FAQs webpage.