For Round 2, the Treasury Department and the IRS anticipate allocating approximately $6 billion of § 48C credits, with approximately $2.5 billion in § 48C credits to be allocated to projects located in § 48C(e) Energy Communities Census Tracts. Taxpayers must submit their concept papers and § 48C(e) applications through the 48C Portal. The 48C Portal will open to accept concept paper submissions no later than Tuesday, May 28, 2024. Taxpayers must submit concept papers prior to 5:00 PM Eastern Time, within 30 calendar days after the 48C Portal opens.