This chapter applies to supplier services to residential customers.

Authority: Public Utilities Article, §§2-113, 2-121, 4-308, 5-101, 7-507, 7-511, and 7-601—7-606, Annotated Code of Maryland

Effective date:

Regulations.01—.11 adopted as an emergency provision effective July 16, 2009 (36:17 Md. R. 1311); adopted permanently effective October 5, 2009 (36:20 Md. R. 1532)

Regulation .02A amended effective July 10, 2023 (50:13 Md. R. 513)

Regulation .05 amended effective March 14, 2016 (43:5 Md. R. 387); July 10, 2023 (50:13 Md. R. 513)

Regulation .05C amended effective March 7, 2022 (49:5 Md. R. 367)

Regulation .06A amended effective March 7, 2022 (49:5 Md. R. 367)

Regulation .06C adopted effective March 7, 2022 (49:5 Md. R. 367)

Regulation .07 amended effective July 10, 2023 (50:13 Md. R. 514)

Regulation .07B, C amended effective March 14, 2016 (43:5 Md. R. 387)

Regulation .07B, D amended effective May 26, 2025 (52:10 Md. R. 439)

Regulation .07C amended effective March 11, 2019 (46:5 Md. R. 310); March 7, 2022 (49:5 Md. R. 367)

Regulation .08 amended effective March 14, 2016 (43:5 Md. R. 387)

Regulation .08A, D amended effective March 7, 2022 (49:5 Md. R. 367); July 10, 2023 (50:13 Md. R. 513)

Regulation .09 amended effective March 7, 2022 (49:5 Md. R. 367)

Regulation .09A amended effective March 14, 2016 (43:5 Md. R. 387)

Regulation .10A, C amended effective March 14, 2016 (43:5 Md. R. 387); July 10, 2023 (50:13 Md. R. 513)

Regulation .10A amended effective March 7, 2022 (49:5 Md. R. 367)

Regulation .10D—F adopted effective March 7, 2022 (49:5 Md. R. 367)

Regulation .10G adopted effective July 10, 2023 (50:13 Md. R. 513)

Regulation .11 amended effective March 14, 2016 (43:5 Md. R. 387)

Regulation .12 adopted effective March 14, 2016 (43:5 Md. R. 387)

Regulation .12D—E adopted effective March 7, 2022 (49:5 Md. R. 367)

Regulation .12F adopted effective July 10, 2023 (50:13 Md. R. 513)

Regulation .13 adopted effective March 14, 2016 (43:5 Md. R. 387)

Regulation .13E adopted effective July 10, 2023 (50:13 Md. R. 513)

Regulation .14 adopted effective July 10, 2023 (50:13 Md. R. 513)