; (ii) waste gas or industrial tail gas that would otherwise be flared, incinerated, or vented; (iii) a pressure drop in any gas for an industrial or commercial process; or (iv) any other form of waste heat resource as the Secretary may determine. (B) Exclusion The term qualified waste heat resource does not include a heat resource from a process the primary purpose of which is the generation of electricity using a fossil fuel. (24) Waste heat to power technology The term waste heat to power technology means a system that generates electricity through the recovery of a qualified waste heat resource. . 4. Updated interconnection procedures and tariff schedule (a) Adoption of standards Section 111(d) of the Public Utility Regulatory Policies Act of 1978 ( 16 U.S.C. 2621(d) ) is amended by adding at the end the following: (20) Updated interconnection procedures and tariff schedule (A) In general Not later than 1 year after the date of enactment of this paragraph, the Secretary, in consultation with the Commission and other appropriate agencies, shall establish, for generation with nameplate capacity up to 20 megawatts using all fuels— (i) guidance for technical interconnection standards that ensure interoperability with existing Federal interconnection rules; (ii) model interconnection procedures, including appropriate fast track procedures