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20.50.09.00.htm 20.50.09.00. Title 20 PUBLIC SERVICE COMMISSION Subtitle 50 SERVICE SUPPLIED BY ELECTRIC COMPANIES Chapter 09 Small Generator Facility Interconnection Standards Authority: Public Utilities Article, §2-113, 2-121, 5-101, 5-303, and 7-306, Annotated Code of Maryland
20.50.09.01.htm 20.50.09.01. 01 Scope.. A. This chapter applies to a small generator facility seeking to interconnect and operate in parallel with the electric distribution system. All small generator facilities shall interconnect under requirements in this chapter or under the physical interconnection requirements of the PJM Interconnection, LLC under the authority of FERC.B. A small generator facility seeking to interconnect and operate in parallel with the electric distribution system under thi
20.50.09.02.htm 20.50.09.02. 02 Definitions.. A. In this chapter, the following terms have the meanings indicated.. B. Terms Defined.. 1) “Adverse system impact” means a negative effect, due to technical or operational limits on conductors or equipment being exceeded, that may compromise the safety or reliability of the electric distribution system.2) “Affected system” means a utility electric system that is affected by the interconnection of a small generator facility to another utility’s electr
20.50.09.03.htm 20.50.09.03. 03 Acceptable Standards.. The technical standard to be used in evaluating all interconnection requests under Level 1, Level 2, Level 3, and Level 4 reviews, unless otherwise provided for in this chapter, is IEEE Standard 1547.
20.50.09.04.htm 20.50.09.04. 04 Interconnection Requests.. A. Applicants seeking to interconnect a small generator facility shall submit an interconnection request to the utility that owns the electric distribution system to which interconnection is sought.B. An interconnection request shall be in the form and format specified by the utility that owns the electric distribution system to which interconnection is sought and shall include the following information and any additional information that may b
20.50.09.05.htm 20.50.09.05. 05 Interconnection Request Processing Fees.. A. A utility may only charge a small generator interconnection request fee for a Level 2, Level 3, or Level 4 interconnection request.B. A utility may not charge interconnection request fees for interconnection requests determined to be under PJM Interconnection, LLC jurisdiction pursuant to Regulation .01 of this chapter.C. The utility shall specify the interconnection [processing] request fees charged under this regula
20.50.09.06.htm 20.50.09.06. 06 General Requirements.. A. For small generator facilities at a site for which the applicant seeks a single point of interconnection, the interconnection request shall be evaluated for total exports on the basis of the net system capacity.B. An interconnection request is required for the interconnection of a new small generator facility, or to increase the total exports, change the energy sales strategy pursuant to Regulation .01C of this chapter, or change th
20.50.09.07.htm 20.50.09.07. 07 Lab-Certified and Field-Approved Equipment.. A. An interconnection request may be eligible for expedited interconnection review if the small generator facility uses lab-certified or field-approved interconnection equipment.B. Interconnection equipment shall be considered to be lab-certified upon establishment of the following:1) The interconnection equipment has been tested in accordance IEEE Standard 1547.1 in compliance with the appropriate codes and standards referenced
20.50.09.08.htm 20.50.09.08. 08 Determination of Interconnection Jurisdiction and Level of Utility Review of Interconnection Request.A. A utility shall determine within 10 business days the interconnection jurisdiction pursuant to Regulation .01 of this chapter and the level of utility review required for an interconnection request based on nameplate capacity.B. A utility shall use a Level 1 procedure to evaluate an interconnection request to connect an inverter-based small generator facility when the small
20.50.09.09.htm 20.50.09.09. 09 Level 1 Review.. A. The utility shall evaluate a Level 1 small generator facility for the potential for adverse system impacts using the following:1) For interconnection of a proposed small generator facility:. a) To a radial distribution circuit, the aggregate generation on the circuit, including the proposed small generator facility, may not exceed 15 percent of the line section annual peak load as most recently measured at the substation or calculated for the line section; or
20.50.09.10.htm 20.50.09.10. 10 Level 2 Review.. A. The utility shall evaluate a Level 2 small generator facility for the potential for adverse system impacts using the following:1) For interconnection of a proposed small generator facility:. a) To a radial distribution circuit, the aggregate generation on the circuit, including the proposed small generator facility, may not exceed 15 percent of the line section annual peak load most recently measured at the substation or calculated for the line section; or
20.50.09.11.htm 20.50.09.11. 11 Level 3 Review.. A. The utility shall use the Level 3 review procedure for an interconnection request that meets the Level 3 criteria in Regulation .08 of this chapter.B. Queue Position.. 1) Once the interconnection request is considered complete by the utility, the utility shall assign a queue position based upon the date and time the interconnection request is determined to be complete.2) The queue position of each interconnection request shall be used to dete
20.50.09.12.htm 20.50.09.12. 12 Level 4 Study Review.. A. A utility shall use the Level 4 study review procedure for an interconnection request that meets the Level 4 criteria in Regulation .08 of this chapter.B. Interconnection Request.. 1) Within 5 business days from receipt of an interconnection request, the utility shall notify the applicant whether the request isa) Complete; or. b) Incomplete.. 2) If the interconnection request is not complete:. a) The utility shall provide the applicant a writt
20.50.09.13.htm 20.50.09.13. 13 Dispute Resolution.. A. The applicant and utility shall attempt to resolve all disputes regarding interconnection as provided in this regulation promptly, equitably, and in a good faith manner.B. Dispute Resolution Before the Commission.. 1) If a dispute arises, the applicant or utility may seek immediate resolution through the procedures of COMAR 20.32.01, or an alternative dispute resolution process approved by the Commission, by providing written notice to
20.50.09.14.htm 20.50.09.14. 14 Record Retention and Reporting Requirements.. A. A utility shall retain records of the following for a minimum of 7 years:. 1) The total number nameplate capacity and total fees charged for the interconnection requests received, approved, and denied under Level 1, Level 2, Level 3, and Level 4 reviews;2) The number of evaluations of interconnections requests approved and denied using any alternate process under Level 1, Level 2, Level 3, and Level 43) The fuel type, if appr
20.50.09.9999.htm 20.50.09.9999. Administrative History Effective date: June 9, 2008 (35:8 Md. R. 808). Regulation .01 amended effective October 8, 2018 (45:20 Md. R. 920) April 20, 2020 (47:8 Md. R. 436). Regulation .02B amended effective October 8, 2018 (45:20 Md. R. 920) April 20, 2020 (47:8 Md. R. 436)Regulation .03 amended effective October 8, 2018 (45:20 Md. R. 920). Regulation .04 amended effective October 8, 2018 (45:20 Md. R. 920). Regulation .04E repealed effective April 20, 2020 (47:8 Md. R. 436).
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