TITLE 83: PUBLIC UTILITIES CHAPTER I: ILLINOIS COMMERCE COMMISSION SUBCHAPTER c: ELECTRIC UTILITIES PART 466 ELECTRIC INTERCONNECTION OF DISTRIBUTED ENERGY RESOURCES FACILITIES The General Assembly's Illinois Administrative Code database includes only those rulemakings that have been permanently adopted. This menu will point out the Sections on which an emergency rule (valid for a maximum of 150 days, usually until replaced by a permanent rulemaking) exists. The emergency rulemaking is linked through the notation that follows the Section heading in the menu. View Entire Part Section 466.10 Scope Section 466.15 Compliance Section 466.20 Definitions Section 466.30 Waiver Section 466.35 Waiver (Renumbered) Section 466.40 Technical Standards Section 466.45 Pre-Application Report Section 466.50 Interconnection Requests Section 466.60 General Requirements Section 466.70 Lab-Certified Equipment Section 466.75 Limited-Export and Non-Exporting Distribution Energy Resources Facilities Section 466.80 Determining the Review Level Section 466.90 Level 1 Expedited Review Section 466.100 Level 2 Expedited Review Section 466.110 Level 3 Expedited Review Section 466.120 Level 4 Review Section 466.125 Material Modifications Section 466.130 Disputes Section 466.140 Records Section 466.APPENDIX A Level 1 Application and Contract Section 466.APPENDIX B Certificate of Completion Section 466.APPENDIX C Levels 2 to 4 Application Section 466.APPENDIX D Levels 1 to 4 Contract Section 466.APPENDIX E Interconnection Feasibility Study Agreement Section 466.APPENDIX F Interconnection System Impact Study Agreement Section 466.APPENDIX G Interconnection Facilities Study Agreement

AUTHORITY: Implementing Section 16-107.5 of the Public Utilities Act [220 ILCS 5] and authorized by Sections 16-107.5 and 10-101 of the Public Utilities Act [220 ILCS 5].

SOURCE: Emergency rules adopted at 32 Ill. Reg. 6556, effective April 1, 2008, for a maximum of 150 days; adopted at 32 Ill. Reg. 14504, effective August 25, 2008; amended at 41 Ill. Reg. 862, effective January 20, 2017; emergency amendment at 45 Ill. Reg. 16330, effective December 14, 2021, for a maximum of 150 days; emergency expired May 12, 2022; amended at 46 Ill. Reg. 9666, effective May 26, 2022.