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Section: 15-4099

DEFINITIONS

Title : 15 PUBLIC UTILITIES AND CABLE TELEVISION

Chapter : 15-40 DISTRICT OF COLUMBIA SMALL GENERATOR INTERCONNECTION RULES

Most recent version of the final adopted rule codified in the D.C. Municipal Regulations (DCMR)

Effective Date : 11/7/2025 12:00:00 AM

Authority : D.C. Official Code Sections 2-505 and 34-802.

Source : Final Rulemaking published at 56 DCR 1415 (February 13, 2009); as amended by Final Rulemaking published at 65 DCR 11025 (October 5, 2018); as amended by Final Rulemaking published at 66 DCR 01132 (January 25, 2019); as amended by Final Rulemaking published at 68 DCR 8244 (August 20, 2021); as amended by Final Rulemaking published at 72 DCR 012476 (November 7, 2025).

Editor's Note :

Rulemaking notices were published in the D.C. Register(DCR) and Adopted Rules were codified into the D.C. Municipal Regulations (DCMR)

Notice ID	Register Category	Heading	Notice/ Adopted Section	Register Issue/ Effective Date
R0055275	Adopted Rule	DEFINITIONS	View Text	Effective: 11/7/2025
N143003	Final Rulemaking	Public Service Commission - RM40-2025-01 - Notice of Final Rulemaking - Amending 15 DCMR Ch. 40 - Small Generator Interconnection Rules	View Text	11/7/2025 Vol 72/45
N142780	Final Rulemaking	Public Service Commission - RM40-2024-01 - Notice of Final Rulemaking - Amending 15 DCMR Ch. 40 - District of Columbia Small Generator Interconnection Rules	View Text	10/24/2025 Vol 72/43
N142446	Proposed Rulemaking	Public Service Commission - RM48-2022-01 - Notice of Second Proposed Rulemaking - Adding Ch. 48, etc. - Multiple Customer Microgrids	View Text	9/26/2025 Vol 72/39
N142298	Proposed Rulemaking	Public Service Commission - RM40-2025-01 - Notice of Proposed Rulemaking - Amending 15 DCMR Ch. 40 - District of Columbia Small Generator Interconnection Rules	View Text	9/12/2025 Vol 72/37
N142089	Proposed Rulemaking	Public Service Commission - RM40-2024-01 - Notice of Fourth Proposed Rulemaking - Amending 15 DCMR Ch. 40 - Small Generator Interconnection Rules	View Text	8/22/2025 Vol 72/34
N141522	Proposed Rulemaking	Public Service Commission - RM40-2024-01 - Notice of Third Proposed Rulemaking - Amending 15 DCMR Ch. 40 - Small Generator Interconnection Rules	View Text	6/27/2025 Vol 72/26
N140171	Proposed Rulemaking	Public Service Commission - Notice of Second Proposed Rulemaking - RM40-2024-01 - Amending 15 DCMR Ch. 40 - Interconnection Rules	View Text	3/14/2025 Vol 72/11
R0049247	Adopted Rule	DEFINITIONS	View Text	Effective: 8/20/2021
N112363	Final Rulemaking	Public Service Commission - RM40-2020-01 and Formal Case No. 1050 - Notice of Final Rulemaking (Amendments to Chapter 40 - Title 15DCMR - District of Columbia Small Generator Interconnection Rules)	View Text	8/20/2021 Vol 68/34
N101619	Proposed Rulemaking	Public Service Commission of the District of Columbia - RM40 -2020-01- 2nd Notice of Proposed Rulemaking - Amendments to Chapter 40 - 15DCMR	View Text	12/25/2020 Vol 67/53
N0091171	Proposed Rulemaking	Public Service Commission of the District of Columbia - Notice of Proposed Rulemaking - RM40 -2020-01 - District of Columbia Small Generator Interconnection Rules	View Text	4/10/2020 Vol 67/15
N0090544	Proposed Rulemaking	Public Service Commission of the District of Columbia - Notice of Proposed Rulemaking - FC1130,RM9,RM13,RM29,RM36,RM40,RM41,RM42, and RM44 - (Amendment to definition of Advanced inverters and Non-wires alternative)	View Text	2/28/2020 Vol 67/9
R0036887	Adopted Rule	DEFINITIONS	View Text	Effective: 1/25/2019
N0078541	Final Rulemaking	Public Service Commission - Notice of Final Rulemaking - RM-40-2017-01, In The Matter of 15 DCMR Chapter 40 — District of Columbia Small Generator Interconnection Rules and FC No. 1050, In The Matter of The Investigation Of Implementation Of Interconnection Standards In The District of Columbia	View Text	1/25/2019 Vol 66/4
R0035675	Adopted Rule	DEFINITIONS	View Text	Effective: 10/5/2018
N0074260	Final Rulemaking	DC Public Service Commission - Notice of Final Rulemaking - FC1130 - MEDSIS	View Text	10/5/2018 Vol 65/41
N0074126	Proposed Rulemaking	Public Service Commission - Notice Of Third Proposed Rulemaking--RM-40-2017-01, In The Matter of 15 DCMR Chapter 40 — District Of Columbia Small Generator Interconnection Rules And Formal Case No. 1050, In The Matter of The Investigation of Implementation of Interconnection Standards In The District Of Columbia	View Text	9/21/2018 Vol 65/38
N0072847	Proposed Rulemaking	Public Service Commission - Notice of Proposed Rulemaking - FC1130 - NOPR (Amending Chapters 9; 13; 29; 36; 40; 41; 42 and 44 of Title 15 DCMR) to amend definition of Electricity Supplier	View Text	8/24/2018 Vol 65/34
N0066062	Proposed Rulemaking	Public Service Committee - Notice of Proposed Rulemaking - FC 1130, RM09, RM13, RM29, RM36, RM40, RM41, RM42, RM44	View Text	11/3/2017 Vol 64/44
N0065550	Proposed Rulemaking	Public Service Commission - Notice of Proposed Rulemaking - RM40-2017-01 and FC 1050: Small Generator Interconnection Rules	View Text	10/6/2017 Vol 64/40
N0063495	Proposed Rulemaking	Public Service Commission - Notice of Comment Period Extension - RM-40-2017-01, Amending 15 DCMR Chapter 40, rules on small generator interconnection	View Text	4/28/2017 Vol 64/17
N0062383	Proposed Rulemaking	Public Service Commission of The District Of Columbia - NOPR-RM-40-2017-01, In The Matter of 15 DCMR Chapter 40 — District of Columbia Small Generator Interconnection Rules And FC 1050, In The Matter Of The Investigation of Implementation of Interconnection Standards In The District Of Columbia	View Text	2/17/2017 Vol 64/7
R0026285	Adopted Rule	DEFINITIONS	View Text	Effective: 1/1/1900