; and (B) environmental benefits, including reduced and avoided emissions of greenhouse gases and conventional air pollutants. (4) Generator tie lines A public utility may require an interconnection customer to pay for the costs of construction of any generator tie lines that will be used to transmit power from the interconnection customer’s generation project or energy storage project, as applicable, to the transmission facility or the transmission system. (5) Voluntary payment (A) In general An interconnection customer may pay upfront some or all of the costs of a network upgrade at the transmission facility or transmission system to which they plan to interconnect their generation project or energy storage project in accordance with subparagraph (B). (B) Repayment Any interconnection customer that pays costs under subparagraph (A) shall be refunded such costs allocable to other parties pursuant to the Commission’s regulations issued or revised under this section, over a period that is not longer than 10 years beginning on the date on which the interconnection customer’s interconnection is complete. (6) Updating procedures Not later than the date that is 3 months after the date on which the Commission issues or revises regulations as required under subsection (a), each public utility shall make a filing pursuant to section 205 of the Federal Power Act ( 16 U.S.C. 824d ) to amend their interconnection procedures to comply with such regulations. 4. Deployment of grid enhancing technologies Not later than 180 days after the date of enactment of this Act, the Commission shall issue a new regulation, or revise existing regulations, to require the following: (1) Consultation (A) In general With respect to processing a request to interconnect a generation project or an energy storage project, the Regional Transmission Organization, Independent System Operator, or transmission planning coordinator, as applicable, shall— (i) consult with the relevant owner of the transmission facility or transmission system, and the