From the notice

This is a COMBINED NOTICE/SOLICITATION for commercial items prepared in accordance with the format in Revolutionary FAR Overhaul (RFO) Part 12, as supplemented with additional information included in this notice. This announcement constitutes the only solicitation. Offers are being requested and a separate written solicitation will not be issued. The solicitation number, SPE604-26-R-0404 is issued as a Request for Proposal (RFP) and will accept offers for Direct Supply Natural Gas to various DoD and federal civilian installations throughout the US Southern Region (including Alabama, Arkansas, Florida, Georgia, Mississippi, North Carolina, Oklahoma, South Carolina, Tennessee, and Texas) covering a 24-month delivery period, beginning June 1, 2027, with a 6-month option period if required. The estimated quantity for this proposed requirement is 34,620,121 Dekatherms (Dths). Any resultant award(s) will be fixed price with economic price adjustment (FP/EPA) requirements type contract(s).