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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.. This chapter applies to a small electricity generator facility seeking to interconnect to the electric distribution system that meets the following criteria:A. The small generator facility is not subject to the interconnection requirements of PJM Interconnection, LLC; andB. The small generator facility is designed to operate in parallel with the electric distribution system.
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 distribution system that is affected by the interconnection of a small generator facility to another com
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 application fee for a Level 2, Level 3, or Level 4 interconnection.B. The small generator facility interconnection fee under §A of this regulation may not exceed the following:1) No charge for Level 1 applications;. 2) $50 plus $1 per kW of rated generating facility output for Level 2 applications; and.
20.50.09.06.htm 20.50.09.06. 06 General Requirements.. A. If an interconnection request includes multiple small generator facilities at a site for which the applicant seeks a single point of interconnection, the interconnection request shall be evaluated on the basis of the aggregate nameplate capacity or the limit of the inverters of the multiple facilities.B. If an interconnection request is for an increase in capacity, or change in the proposed use, of an existing small generator facility, the interconn
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 Level of Utility Review of Interconnection Request.. A. A utility shall determine on an expedited basis the level of review required for an interconnection request.B. A utility shall use a Level 1 procedure to evaluate an interconnection request to connect an inverter-based small generator facility when:1) The small generator facility, or multiple small generator facilities interconnecting at a single point, has a nameplate capacity of 20 kW or less; and
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 aggregated 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 aggregated 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). Regulation .02B amended effective October 8, 2018 (45:20 Md. R. 920). 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 .06 amended effective October 8, 2018 (45:20 Md. R. 920).
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