1. Short title This Act may be cited as the Regional Clean Energy Innovation Act . 2. Office of Advanced Clean Technologies (a) Establishment The Secretary of Energy shall establish an Office of Advanced Clean Energy Technologies within the Department to manage a network of Regional Energy Innovation and Development Institutes (in this Act, referred to as REIDIs ) that accelerate clean energy innovation in the post-research stage to help projects overcome obstacles to deployment and commercialization, connect Federally funded research and development with State and regional initiatives, and advance decarbonization strategies. (b) Office of Advanced Clean Energy Technologies The purpose of the Office of Advanced Clean Energy Technologies shall be to— (1) support the creation and development of REIDIs and covered entities by providing incentives to States, regions, academic institutions, Tribes, local governments, and businesses to organize and address a specific targeted clean energy technology and market intersection; (2) leverage existing state, local, regional, Tribal, and national initiatives to reduce greenhouse gas emissions to help facilitate an effective transition to more clean energy technologies, and improve resilience and environmental outcomes, especially for rural and low-income households, communities of color, and Tribal communities; (3) analyze and establish region-specific pathways to decarbonization and net-zero emissions and use the REIDIs to advance these goals; (4) facilitate development of clean energy technologies from laboratory research stage to market by promoting collaboration and resource sharing among REIDIs; (5) provide technical assistance to the REIDIs and verify quality of projects of REIDIs; (6) assist States, regions, Tribes, local governments, academic institutions, and businesses in applying for designation as a REIDI; (7) share best practices across the REIDIs network; (8) support REIDIs in the navigation of regulatory processes