; and (2) a requirement for a response to any request for discovery from an intervenor not later than 15 days after such request is submitted. . 3. Integrated Resource Plan (a) In general In drafting an integrated resource plan pursuant to section 113 of the Energy Policy Act of 1992 ( 16 U.S.C. 831m–1 ), the Board of Directors of the Tennessee Valley Authority shall— (1) oversee the process for meaningful and open public engagement in the integrated resource planning process established under section 12b of the Tennessee Valley Authority Act of 1933 (as added by this Act), including presiding over any evidentiary hearing required under such process; (2) include in such plan— (A) a long-term forecast of the Authority’s sales and peak demand under various reasonable scenarios; (B) a summary of electrical transmission investments planned by the Authority; (C) resource portfolios developed with the purpose of fairly evaluating the range of demand-side and supply-side technologies and services available to meet the Authority’s service obligations; and (D) sensitivity analysis related to fuel costs, environmental regulations, electrification, distributed energy resources, and other uncertainties or risks; (3) not later than 100 days before the public release of a draft of the plan, provide to the public the modeling assumptions used in developing such a plan, including costs and constraints on the model; (4) provide in such draft plan details of how and where public input informed the plan; (5) evaluate whether the draft plan takes into account the features required under section 113(b)(2) of the Energy Policy Act of 1992 ( 16 U.S.C. 831m–1 )