reglab/statecodes huggingface dataset:
Code of Maryland Regulations › Title 20 - PUBLIC SERVICE COMMISSION › Subtitle 50 - SERVICE SUPPLIED BY ELECTRIC COMPANIES › Chapter 20.50.02 - Engineering › Section 20.50.02.04 - Electric Plant Operation and Maintenance

Current through Register Vol. 51, No. 14, July 12, 2024
Each utility shall adopt written operation and maintenance procedures for its electric plant in order to determine the necessity for replacement and repair. The frequency of the various procedures shall be based on the utility's experience and accepted good practice. Each utility shall keep sufficient records to give evidence of compliance with its operation and maintenance procedures.
Code of Maryland Regulations › Title 20 - PUBLIC SERVICE COMMISSION › Subtitle 50 - SERVICE SUPPLIED BY ELECTRIC COMPANIES › Chapter 20.50.02 - Engineering › Section 20.50.02.05 - Specific Electric Plant Engineering Requirements

Current through Register Vol. 51, No. 14, July 12, 2024
A. When the National Electrical Safety Code and the National Electric Code, which are incorporated by reference in Regulation .02 of this chapter, call for different standards or requirements for installations that are under the exclusive control of the utility and located in legally established easements or rights-of-way, or located pursuant to agreements recognized by the Commission such as a utility tariff, the utility shall use the standard or requirement of the National Electrical Safety Code.
B. Utilities shall maintain the vertical clearances of overhead electric supply lines that cross water surfaces suitable for sailboating in accordance with the values specified by Rule 232 of the National Electrical Safety Code.
Code of Maryland Regulations › Title 20 - PUBLIC SERVICE COMMISSION › Subtitle 50 - SERVICE SUPPLIED BY ELECTRIC COMPANIES › Chapter 20.50.02 - Engineering › Section 20.50.02.06 - Life-Cycle Cost Analysis to Guide the Purchase of Liquid-Immersed Distribution Transformers

Current through Register Vol. 51, No. 14, July 12, 2024
A. Scope. This regulation does not apply to an electric cooperative that supplies electricity to fewer than 60,000 electric meters in the State.
B. Purchase of Liquid-Immersed Distribution Transformers.
(1) Beginning January 1, 2009, a utility shall use the life-cycle cost methodology contained in NEMA Standards Publication TP 1-2002, which is incorporated by reference under COMAR 20.50.02.02B, when selecting any liquid-immersed distribution transformer for purchase.
(2) Evaluation of Distribution Transformer Models.
(a) Within each capacity class or type of liquid-immersed distribution transformer, a reasonable number of commercially available models shall be evaluated, and, except as provided §B(2)(b) of this regulation, a utility shall select for purchase the model in each capacity class or type with the lowest total owning costs as determined by the life-cycle cost methodology.
(b) If a utility is soliciting bids to supply multiple capacity classes or types of liquid-immersed distribution transformers under a single contract, models offered by a supplier in more than one capacity class or type may be combined for purposes of life-cycle cost evaluation.
(c) A utility shall select for purchase the aggregation of models offered by a supplier in the combined classes or types with the lowest total owning cost as determined by the life-cycle cost methodology in §B(2)(b) of this regulation.
(d) Under this section, a utility shall use:
(i) The values for load losses and no-load losses as determined by the "Uniform Test Method for Measuring the Energy Consumption of Distribution Transformers", Appendix A to Subpart K of 10 CFR Part 431, as amended, which is incorporated by reference; and
(ii) The estimated value of energy and capacity from the most current year available at the time of any bid solicitation.
Code of Maryland Regulations › Title 20 - PUBLIC SERVICE COMMISSION › Subtitle 50 - SERVICE SUPPLIED BY ELECTRIC COMPANIES › Chapter 20.50.03 - Records and Reports › Section 20.50.03.01 - Availability of Records

Current through Register Vol. 51, No. 14, July 12, 2024
All records required by these regulations or necessary for the administration thereof shall be available for examination by the Commission or its authorized representatives.
Code of Maryland Regulations › Title 20 - PUBLIC SERVICE COMMISSION › Subtitle 50 - SERVICE SUPPLIED BY ELECTRIC COMPANIES › Chapter 20.50.03 - Records and Reports › Section 20.50.03.02 - Retention of Records

Current through Register Vol. 51, No. 14, July 12, 2024
All records required by these regulations shall be preserved for the period of time specified in 18 CFR 125, as amended, which is incorporated by reference, unless otherwise specified by the Commission.
Code of Maryland Regulations › Title 20 - PUBLIC SERVICE COMMISSION › Subtitle 50 - SERVICE SUPPLIED BY ELECTRIC COMPANIES › Chapter 20.50.03 - Records and Reports › Section 20.50.03.03 - Tariff

Current through Register Vol. 51, No. 14, July 12, 2024
Each utility shall file with the Commission a copy of its tariff which shall include:
A. Rates. Each schedule of rates for service together with the applicable riders.
B. Rules. The utility's rules, or terms and conditions, describing the utility's policies and practices in rendering service. These rules shall include:
(1) Extension Plan. The utility's plan for the installation of extensions of main and service lines where these facilities are in excess of those included in the regular rates for service and for which the customer shall be required to pay all or part of the cost. The customer's payments under this plan should be related to the investment that the utility prudently can make in consideration of the probable revenue.
(2) Voltages. A list of available voltages.
(3) Material Furnished by Utility. A list of the items which the utility furnishes, owns, and maintains on the customer's premises, such as meters, meter sockets, service entrances, etc.
(4) Billing Period. A statement indicating the minimum and maximum number of days for which the utility will bill a customer at its regular monthly rates for service.
(5) Payment Period. A statement indicating the minimum number of days allowed for payment of the gross amount of the customer's bill before service will be terminated for non-payment.
(6) Wastage of Electricity. A general statement of the utility's policy in making adjustments for wastage of electricity when an accidental ground exists without the knowledge of the customer.
Code of Maryland Regulations › Title 20 - PUBLIC SERVICE COMMISSION › Subtitle 50 - SERVICE SUPPLIED BY ELECTRIC COMPANIES › Chapter 20.50.03 - Records and Reports › Section 20.50.03.04 - Information to Be Filed with the Commission

Current through Register Vol. 51, No. 14, July 12, 2024
A. Special Contracts. Each utility shall file with the Commission a copy of each contract for service not covered by the utility's filed tariff.
B. Installation Rules. Each utility shall file with the Commission a copy of the utility's rules, if any, designed by the utility for the use of engineers, architects, electrical contractors, etc., covering meter and service installations.
C. Bill Forms. Each utility shall file with the Commission a sample of each type of customer bill form, which shall include the information normally shown on a customer's bill for service.
D. Map of System. Each utility shall file with the Commission a map showing the utility's operating area. This map shall be revised annually unless the revision is unnecessary, in which event the utility shall notify the Commission that the map on file is current. If practicable, the map should show:
(1) Generating stations;
(2) Transmission lines with voltages;
(3) Primary distribution lines;
(4) State boundary crossings; and
(5) Territorial boundary.
Code of Maryland Regulations › Title 20 - PUBLIC SERVICE COMMISSION › Subtitle 50 - SERVICE SUPPLIED BY ELECTRIC COMPANIES › Chapter 20.50.04 - Customer Relations › Section 20.50.04.01 - Information for Customers

Current through Register Vol. 51, No. 14, July 12, 2024
A. System Maps or Records. Each utility shall maintain up-to-date maps, plans, or records of its entire transmission and distribution system, with such other information as may be necessary to enable the utility to advise prospective customers, and others entitled to the information, as to the facilities available for serving a locality.
B. Selecting Rate Schedule. Each utility shall assist the customer or prospective customer in selecting the most economical rate schedule.
C. Notifying Customers. Each utility shall notify customers affected by a change in rates or schedule classification.
D. Tariff Notice.
(1) A utility shall post a notice in a conspicuous place in each office of the utility where applications for service are received, informing the public that a copy of its tariff, as filed with the Commission, is available for inspection.
(2) A utility shall post its tariff and pending tariff changes on its website.
(3) After Commission acceptance of a tariff change, a utility shall update the tariff posted on its website not later than 3 business days after the date of acceptance.
Code of Maryland Regulations › Title 20 - PUBLIC SERVICE COMMISSION › Subtitle 50 - SERVICE SUPPLIED BY ELECTRIC COMPANIES › Chapter 20.50.04 - Customer Relations › Section 20.50.04.01-1 - Application for Service

Current through Register Vol. 51, No. 14, July 12, 2024
A. A utility may accept either written or verbal applications for service. Each verbal application for service shall be promptly confirmed in writing by the utility. A utility may require an applicant to sign and return a copy of the written confirmation. The application shall include the:
(1) Name, address, home and work telephone numbers, and employer of the customer of record;
(2) Address of the premises for which electric service is requested;
(3) Mailing address and telephone number of the customer of record if he is not an occupant of the premises for which service is requested; and
(4) Customer of record's former electric service address and the date customer moved, if applicable.
Code of Maryland Regulations › Title 20 - PUBLIC SERVICE COMMISSION › Subtitle 50 - SERVICE SUPPLIED BY ELECTRIC COMPANIES › Chapter 20.50.04 - Customer Relations › Section 20.50.04.01-2 - Denial of Application for Residential Service

Current through Register Vol. 51, No. 14, July 12, 2024
A. Payment of Outstanding Bills.
(1) Except as prohibited by State or federal law, a utility may refuse to provide service for a former customer unless the customer has paid, or has made satisfactory arrangements to pay, any outstanding bill, or undisputed portion of a disputed bill, for prior residential service.
(2) A utility may not refuse service to a customer for nonpayment of an outstanding bill that is over 7 years old, unless the:
(a) Customer signed an agreement to pay the outstanding bill before the expiration of this period; or
(b) Outstanding bill is for service obtained by the customer in any manner described in COMAR 20.31.02.03DD or COMAR 20.31.02.04A(1)-(4).
Code of Maryland Regulations › Title 20 - PUBLIC SERVICE COMMISSION › Subtitle 50 - SERVICE SUPPLIED BY ELECTRIC COMPANIES › Chapter 20.50.04 - Customer Relations › Section 20.50.04.02 - Customer Deposits

Current through Register Vol. 51, No. 14, July 12, 2024
Each utility may require from a customer a deposit to be applied against any unpaid balance due the utility for service at the time service is terminated, in accordance with the provisions of Subtitle 30 of this title.
Code of Maryland Regulations › Title 20 - PUBLIC SERVICE COMMISSION › Subtitle 50 - SERVICE SUPPLIED BY ELECTRIC COMPANIES › Chapter 20.50.04 - Customer Relations › Section 20.50.04.03 - Bill Forms

Current through Register Vol. 51, No. 14, July 12, 2024
A. The bill forms shall show:
(1) The readings of all meters used for billing purposes at the end of the period for which the bill is rendered;
(2) The meter reading date;
(3) The number and kind of units metered;
(4) The applicable rate schedule, including any seasonal or time differential in base rates for the billing period in which the differential is applicable, or identification of the applicable rate schedule;
(5) Any State or local surcharges;
(6) The applicable late payment charge, if any, separately stated or labelled a late payment charge, or a statement that the total amount due includes:
(a) A late payment charge,
(b) An explanation of the calculation, and
(c) The date of applicability of the late payment charge;
(7) The total due, including any prior unpaid amount but excluding the current late payment charge;
(8) The date by which the customer shall pay the bill in order to avoid a late payment charge;
(9) A distinct marking to identify an estimated bill;
(10) Information concerning the customer's electricity usage during the same billing period in the prior year;
(11) The utility's appropriate business address and telephone number for billing inquiries; and
(12) Any conversions from meter reading units to billing units, or any calculations to determine billing units from recording or other devices, and any other factors used in determining the bill.
Code of Maryland Regulations › Title 20 - PUBLIC SERVICE COMMISSION › Subtitle 50 - SERVICE SUPPLIED BY ELECTRIC COMPANIES › Chapter 20.50.04 - Customer Relations › Section 20.50.04.04 - Billing Records

Current through Register Vol. 51, No. 14, July 12, 2024
A. Retention of Records. The utility shall retain customer billing records for the length of time necessary to permit the utility to comply with Regulation .05, of this chapter, but not less than 3 years.
B. Records For Demand Charge Customers. Records for customers whose billing includes a separate charge for a measured demand shall show:
(1) KWH meter reading;
(2) KWH consumption;
(3) KW meter reading;
(4) KW measured demand;
(5) KW billing demand;
(6) Net amount of the bill.
Code of Maryland Regulations › Title 20 - PUBLIC SERVICE COMMISSION › Subtitle 50 - SERVICE SUPPLIED BY ELECTRIC COMPANIES › Chapter 20.50.04 - Customer Relations › Section 20.50.04.05 - Adjustment of Bills

Current through Register Vol. 51, No. 14, July 12, 2024
A. Fast Meters. Whenever a meter is tested and found to have over-registered more than 2 percent, the utility shall recalculate the bills for service of the last customer of record receiving service through the meter and shall make a refund if the amount of the adjustment exceeds $1. The refund shall be for the period that the customer received service through the meter, but for not more than the periods established below:
(1) Known Date of Error. If the date on which the error first developed or occurred can be established, the bills for service shall be recalculated from that time.
(2) Unknown Date of Error. If the time at which the error first developed or occurred cannot be established, it shall be assumed that the over-registration existed for a period of 3 years or a period equal to one-half of the time since the meter was last tested, whichever is less.
Code of Maryland Regulations › Title 20 - PUBLIC SERVICE COMMISSION › Subtitle 50 - SERVICE SUPPLIED BY ELECTRIC COMPANIES › Chapter 20.50.04 - Customer Relations › Section 20.50.04.09 - Customer Wiring

Current through Register Vol. 51, No. 14, July 12, 2024
If local authorities require an inspection of a customer's wiring, the utility may not provide a customer with new or upgraded electric service until the inspecting authority certifies that the wiring conforms to the applicable code.
Code of Maryland Regulations › Title 20 - PUBLIC SERVICE COMMISSION › Subtitle 50 - SERVICE SUPPLIED BY ELECTRIC COMPANIES › Chapter 20.50.04 - Customer Relations › Section 20.50.04.10 - Investigation of Complaints

Current through Register Vol. 51, No. 14, July 12, 2024
The utility shall investigate promptly and thoroughly any complaint concerning its charges, practices, facilities, or service.
Code of Maryland Regulations › Title 20 - PUBLIC SERVICE COMMISSION › Subtitle 50 - SERVICE SUPPLIED BY ELECTRIC COMPANIES › Chapter 20.50.04 - Customer Relations › Section 20.50.04.11 - Records of Complaints

Current through Register Vol. 51, No. 14, July 12, 2024
The utility shall keep such records of customer complaints as will enable it to review and analyze its procedures and actions as an aid in rendering improved service.
Code of Maryland Regulations › Title 20 - PUBLIC SERVICE COMMISSION › Subtitle 50 - SERVICE SUPPLIED BY ELECTRIC COMPANIES › Chapter 20.50.05 - Meter Requirements › Section 20.50.05.01 - Metering of Electricity

Current through Register Vol. 51, No. 14, July 12, 2024
A. Customer Use. All electricity sold by a utility shall be on the basis of meter measurement, except for installations where the usage is constant and the consumption may readily be computed, or as provided for in its filed rates.
B. Utility Use. Wherever practicable, consumption of electricity within the utility itself, or by administrative units associated with it, shall be metered, except for installations where the usage is constant and the consumption may readily be computed.
Code of Maryland Regulations › Title 20 - PUBLIC SERVICE COMMISSION › Subtitle 50 - SERVICE SUPPLIED BY ELECTRIC COMPANIES › Chapter 20.50.05 - Meter Requirements › Section 20.50.05.02 - Metering Installation

Current through Register Vol. 51, No. 14, July 12, 2024
A. Condition. A meter may not be installed if it is mechanically or electrically defective, has incorrect constants, or has not been tested in accordance with the requirements of COMAR 20.50.02.02A.
B. Capacity. The capacity of the metering installation and the index mechanism should be consistent with the electrical requirements of the customer.
Code of Maryland Regulations › Title 20 - PUBLIC SERVICE COMMISSION › Subtitle 50 - SERVICE SUPPLIED BY ELECTRIC COMPANIES › Chapter 20.50.05 - Meter Requirements › Section 20.50.05.03 - Meter Multiplier

Current through Register Vol. 51, No. 14, July 12, 2024
If it is necessary to apply a multiplier to a meter reading, the multiplier shall be marked on the face of the meter register.
Code of Maryland Regulations › Title 20 - PUBLIC SERVICE COMMISSION › Subtitle 50 - SERVICE SUPPLIED BY ELECTRIC COMPANIES › Chapter 20.50.05 - Meter Requirements › Section 20.50.05.04 - Demand Meter Registration

Current through Register Vol. 51, No. 14, July 12, 2024
Demand meter installations for billing purposes should be designed, where practicable, so that the highest annual demand reading used for billing should appear in the upper half of the meter's range.
Code of Maryland Regulations › Title 20 - PUBLIC SERVICE COMMISSION › Subtitle 50 - SERVICE SUPPLIED BY ELECTRIC COMPANIES › Chapter 20.50.05 - Meter Requirements › Section 20.50.05.06 - Meter Reading Records

Current through Register Vol. 51, No. 14, July 12, 2024
The meter reading records from which bills are prepared shall show:
A. Customer's name, address, and rate schedule;
B. Identifying number or description of the meter;
C. Meter readings;
D. Date of meter reading;
E. If the reading has been estimated;
F. Any applicable multiplier or constant.
Code of Maryland Regulations › Title 20 - PUBLIC SERVICE COMMISSION › Subtitle 50 - SERVICE SUPPLIED BY ELECTRIC COMPANIES › Chapter 20.50.05 - Meter Requirements › Section 20.50.05.07 - Inventory Records

Current through Register Vol. 51, No. 14, July 12, 2024
Each utility shall maintain records of each meter and associated metering device which will identify each item as to its design, capacity, and application. The identifying information may include, as applicable: manufacturer, number, type, voltage, amperes, phase, number of wires, number of stators, disk constant (Kh), demand interval, and ratio.
Code of Maryland Regulations › Title 20 - PUBLIC SERVICE COMMISSION › Subtitle 50 - SERVICE SUPPLIED BY ELECTRIC COMPANIES › Chapter 20.50.05 - Meter Requirements › Section 20.50.05.08 - History Records

Current through Register Vol. 51, No. 14, July 12, 2024
Each utility shall maintain records for each meter and associated metering device which shall show the dates of installation and removal from service, together with the location.
Code of Maryland Regulations › Title 20 - PUBLIC SERVICE COMMISSION › Subtitle 50 - SERVICE SUPPLIED BY ELECTRIC COMPANIES › Chapter 20.50.05 - Meter Requirements › Section 20.50.05.09 - Test Records

Current through Register Vol. 51, No. 14, July 12, 2024
Each utility shall maintain test records for each meter which shall include the following:
A. The date and reason for the test;
B. The reading of the meter before making the test;
C. The accuracy "as found" at light and heavy loads; and
D. The accuracy "as left" at light and heavy loads.
Code of Maryland Regulations › Title 20 - PUBLIC SERVICE COMMISSION › Subtitle 50 - SERVICE SUPPLIED BY ELECTRIC COMPANIES › Chapter 20.50.06 - Inspections and Tests › Section 20.50.06.01 - Meter Shop

Current through Register Vol. 51, No. 14, July 12, 2024
A. Meter Shop.
(1) A utility shall maintain its own meter shop or use an outside meter shop, including one operated by a meter manufacturer, for testing, inspecting, or repairing a meter.
(2) A meter shop used by a utility for testing, inspecting, or repairing meters shall be approved by the Commission and be open for inspection upon request by an authorized representative of the Commission during normal business hours.
Code of Maryland Regulations › Title 20 - PUBLIC SERVICE COMMISSION › Subtitle 50 - SERVICE SUPPLIED BY ELECTRIC COMPANIES › Chapter 20.50.06 - Inspections and Tests › Section 20.50.06.02 - Standard Watt-Hour Meters

Current through Register Vol. 51, No. 14, July 12, 2024
A. Requirements. Each utility shall have the following standard watt-hour meters for the purposes indicated:
(1) Secondary Standard. Each utility shall have at least one portable secondary standard watt-hour meter to be used to check the accuracy of the working standard watt-hour meters.
(2) Working Standard. Each utility shall have at least one portable working standard watt-hour meter to be used to check the accuracy of watt-hour meters.
Code of Maryland Regulations › Title 20 - PUBLIC SERVICE COMMISSION › Subtitle 50 - SERVICE SUPPLIED BY ELECTRIC COMPANIES › Chapter 20.50.06 - Inspections and Tests › Section 20.50.06.03 - Test Procedures and Accuracies

Current through Register Vol. 51, No. 14, July 12, 2024
A. Procedure. The following procedures shall apply to the testing and adjusting of meters and associated devices:
(1) General. The test of any unit of metering equipment shall consist of a comparison of its accuracy with the accuracy of a standard.
(2) Adjusted to Zero. All meters and associated devices, when tested, shall be adjusted as closely as practicable to the condition of zero error.
(3) Use of Tolerances. All tolerances are to be interpreted as maximum permissible variations from the condition of zero error. In making adjustments, no advantage of the prescribed tolerance limits shall be taken.
(4) Creep. Meters may not creep, that is, there shall be no continuous rotation of the moving element of a meter at a speed in excess of one revolution in 5 minutes when the meter load wires have been removed and voltage is applied to the potential elements of the meter.
Code of Maryland Regulations › Title 20 - PUBLIC SERVICE COMMISSION › Subtitle 50 - SERVICE SUPPLIED BY ELECTRIC COMPANIES › Chapter 20.50.06 - Inspections and Tests › Section 20.50.06.04 - Preinstallation Inspections and Tests

Current through Register Vol. 51, No. 14, July 12, 2024
A. Authorization by Commission. A meter may be installed for use for revenue-billing purposes if it meets the following conditions:
(1) Approved Type. Its type and design meet the requirements of COMAR 20.50.02.02A.
(2) Accuracy. The registration of the meter is within the tolerances specified in Regulation .03 of this chapter. A representative of the Commission will check the condition of meters in the meter shop of the utility from time to time by testing random samples of meters ready for installation.
Code of Maryland Regulations › Title 20 - PUBLIC SERVICE COMMISSION › Subtitle 50 - SERVICE SUPPLIED BY ELECTRIC COMPANIES › Chapter 20.50.06 - Inspections and Tests › Section 20.50.06.05 - Post-Installation Inspections

Current through Register Vol. 51, No. 14, July 12, 2024
Post-installation inspections on new or upgraded service installations which incorporate instrument transformers to determine proper operation and wiring connections shall be made within 60 days after installation by a qualified person who shall be someone other than the original installer.
Code of Maryland Regulations › Title 20 - PUBLIC SERVICE COMMISSION › Subtitle 50 - SERVICE SUPPLIED BY ELECTRIC COMPANIES › Chapter 20.50.06 - Inspections and Tests › Section 20.50.06.06 - Request Tests

Current through Register Vol. 51, No. 14, July 12, 2024
A. Request For Test.
(1) Upon request by a customer and at no charge, the utility shall test the accuracy of the meter serving the customer.
(2) A utility may not perform a customer-requested meter test more than once during an 18-month period.
(3) A customer-requested test may be performed at:
(a) The metering location;
(b) The utility's meter shop; or
(c) An approved meter shop.
Code of Maryland Regulations › Title 20 - PUBLIC SERVICE COMMISSION › Subtitle 50 - SERVICE SUPPLIED BY ELECTRIC COMPANIES › Chapter 20.50.06 - Inspections and Tests › Section 20.50.06.07 - Referee Tests

Current through Register Vol. 51, No. 14, July 12, 2024
A. Application for Test. Upon written application to the Commission by a customer or a utility, a test will be made of the customer's meter as soon as practicable by a representative of the Commission.
B. Deposit for Test. The application shall be accompanied by a deposit as indicated below:
(1) Watt-hour meter ------------------------------------- $10;
(2) Combination watt-hour and demand meter -------------- $20.
Code of Maryland Regulations › Title 20 - PUBLIC SERVICE COMMISSION › Subtitle 50 - SERVICE SUPPLIED BY ELECTRIC COMPANIES › Chapter 20.50.06 - Inspections and Tests › Section 20.50.06.09 - In-Service Performance Tests

Current through Register Vol. 51, No. 14, July 12, 2024
A. Test Program. In-service performance tests shall be made in accordance with the requirements of COMAR 20.50.02.02C.
B. Location of Tests. In-service performance tests may be made on the customer's premises, in the utility's meter shop, or in an approved meter shop.
C. Tests for Other Purposes. Tests, such as request or referee tests, which are made for purposes other than to determine the in-service performance of a group of meters, may not be counted as in-service performance tests, except for those groups of meters being tested under the Periodic Test Schedule.
D. Periodic Test Schedule. Periodic tests shall be scheduled in accordance with the requirements of COMAR 20.50.02.02C.
Code of Maryland Regulations › Title 20 - PUBLIC SERVICE COMMISSION › Subtitle 50 - SERVICE SUPPLIED BY ELECTRIC COMPANIES › Chapter 20.50.06 - Inspections and Tests › Section 20.50.06.10 - Instrument Transformer Tests

Current through Register Vol. 51, No. 14, July 12, 2024
A. Preinstallation Test. All instrument transformers used for billing purposes shall conform to the requirements of Regulation .03E of this chapter before being placed in service.
B. Current Transformers. Current transformers should be tested with a suitable variable burden device to determine if the windings of the secondary circuit have developed an open circuit, short circuit, or unwanted grounds.
C. Potential Transformers. Potential transformers should be tested by measuring the secondary voltage to reveal defects in the transformer or secondary circuit which appreciably affect accuracies.
D. Performance Test. If there is any evidence that an instrument transformer is inaccurate or has been damaged to the extent that its performance has been impaired, it shall be tested to determine whether it should be replaced.
Code of Maryland Regulations › Title 20 - PUBLIC SERVICE COMMISSION › Subtitle 50 - SERVICE SUPPLIED BY ELECTRIC COMPANIES › Chapter 20.50.06 - Inspections and Tests › Section 20.50.06.11 - Generating Station Meter Tests

Current through Register Vol. 51, No. 14, July 12, 2024
Generator output watt meters and watt-hour meters in the utility's generating station shall be tested according to a suitable schedule by comparison with the utility's standards but may not exceed the appropriate test intervals as required under COMAR 20.50.02.02C.
Code of Maryland Regulations › Title 20 - PUBLIC SERVICE COMMISSION › Subtitle 50 - SERVICE SUPPLIED BY ELECTRIC COMPANIES › Chapter 20.50.07 - Quality of Service › Section 20.50.07.01 - Standard Frequency

Current through Register Vol. 51, No. 14, July 12, 2024
The standard frequency for alternating current distribution systems shall be either 60 cycles per second or 25 cycles per second.
Code of Maryland Regulations › Title 20 - PUBLIC SERVICE COMMISSION › Subtitle 50 - SERVICE SUPPLIED BY ELECTRIC COMPANIES › Chapter 20.50.07 - Quality of Service › Section 20.50.07.02 - Voltage Limits

Current through Register Vol. 51, No. 14, July 12, 2024
A. Secondary Voltages. The voltage at the utility's service terminals, as installed for each customer, shall be maintained within the Limits specified in the table below. If a utility adopts any standard voltage not included in the table, it shall advise the Commission in order that the Commission may establish appropriate voltage limits. When 3-phase service is provided, the utility shall exercise reasonable care to assure that the phase voltages are balanced.
Standard
Minimum
Maximum
120
114
126
120/208
114/197
126/219
120/240
114/228
126/252
208
197
219
240
216
252
240/416
228/395
252/437
240/480
228/456
252/504
265/460
238/414
278/483
277/480
249/432
291/504
440
396
462
460
414
483
480
432
504
600
540
630
B. Primary Voltages. The following limits shall apply where the utility supplies service at primary voltage:
(1) Industrial Customers. For service rendered principally for industrial or power purposes, the voltage may not exceed 7-1/2 percent above or 7-1/2 percent below the standard nominal voltages as filed in the utility's rules.
(2) Sales For Resale. For service rendered to public utilities and others for resale, the nominal voltage shall be as mutually agreed upon by the parties concerned. The allowable voltage may not exceed 7-1/2 percent above or 7-1/2 percent below the agreed upon nominal voltage without the express approval of the Commission.
(3) Special Contract Exceptions. The limitations in §§B(1) and B(2), of this regulation, do not apply to special contracts in which the customer specifically agrees to accept service with unregulated voltage.
Code of Maryland Regulations › Title 20 - PUBLIC SERVICE COMMISSION › Subtitle 50 - SERVICE SUPPLIED BY ELECTRIC COMPANIES › Chapter 20.50.07 - Quality of Service › Section 20.50.07.03 - Voltmeters

Current through Register Vol. 51, No. 14, July 12, 2024
A. Requirements. Each utility shall have the following voltmeters for the purposes indicated:
(1) Secondary Standard. Each utility shall have at least one secondary standard indicating voltmeter to be used in checking the accuracy of working standard voltmeters.
(2) Working Standards. Each utility shall have at least two working standard indicating voltmeters to be used in checking the voltage on the utility's electric system and in checking the accuracy of recording voltmeters.
(3) Recording Voltmeters. Each utility shall have at least two portable recording voltmeters to be used to record the voltage on the utility's electric system.
Code of Maryland Regulations › Title 20 - PUBLIC SERVICE COMMISSION › Subtitle 50 - SERVICE SUPPLIED BY ELECTRIC COMPANIES › Chapter 20.50.07 - Quality of Service › Section 20.50.07.04 - Voltage Surveys and Records

Current through Register Vol. 51, No. 14, July 12, 2024
A. Voltage Surveys. Each utility shall make voltage measurements, using recording voltmeters, in order to determine if voltages are in compliance with the requirements contained in Regulation .02.
B. Point of Measurement. Voltage measurements shall be made at the utility's service terminals. For single phase service, the measurement shall be made between the grounded conductor and the ungrounded conductors. For 3 phase service, the measurement shall be made between the phase wires.
C. Voltage Records. All voltmeter records obtained under §A, above, shall be retained by the utility for at least 2 years and shall be available for inspection by the Commission's representatives. Notations on each chart shall indicate the following:
(1) Location where the voltage was taken;
(2) Time and date of the test;
(3) Results of the comparison of the recording voltmeter with an indicating voltmeter.
Code of Maryland Regulations › Title 20 - PUBLIC SERVICE COMMISSION › Subtitle 50 - SERVICE SUPPLIED BY ELECTRIC COMPANIES › Chapter 20.50.07 - Quality of Service › Section 20.50.07.05 - Interruption of Service

Current through Register Vol. 51, No. 14, July 12, 2024
A. Endeavor to Avoid Interruptions. Each utility shall make reasonable efforts to avoid interruptions of service, but when interruptions occur, service shall be re-established within the shortest time practicable, consistent with safety.
B. Report to Commission.
(1) Each utility shall promptly report to the Commission's Engineering Division and Office of External Relations:
(a) The onset of a major outage event;
(b) A sustained interruption, to firm-service customers, initiated by the utility in response to unacceptable system voltages; and
(c) A sustained interruption, to firm-service customers, initiated by the utility in response to thermal overloads of electric plant.
Code of Maryland Regulations › Title 20 - PUBLIC SERVICE COMMISSION › Subtitle 50 - SERVICE SUPPLIED BY ELECTRIC COMPANIES › Chapter 20.50.08 - Safety › Section 20.50.08.01 - Protective Measures

Current through Register Vol. 51, No. 14, July 12, 2024
A. Exercise Reasonable Care. Each utility shall exercise reasonable care to reduce the hazards to which its employees, its customers, and the general public may be subjected.
B. Investigation by Commission. The utility shall give reasonable assistance to the Commission in the investigation of the cause of accidents and in the determination of suitable means of preventing accidents.
C. Record of Accidents. Each utility shall maintain a summary of all reportable accidents arising from its operations.
Code of Maryland Regulations › Title 20 - PUBLIC SERVICE COMMISSION › Subtitle 50 - SERVICE SUPPLIED BY ELECTRIC COMPANIES › Chapter 20.50.08 - Safety › Section 20.50.08.02 - Safety Program

Current through Register Vol. 51, No. 14, July 12, 2024
A. Adopt Safety Program. Each utility shall adopt and execute a safety program, fitted to the size and type of its operations.
B. Use Suitable Tools and Equipment. Each utility should require its employees to use suitable tools and equipment in order that they may perform their work in a safe manner.
C. Promote Safe Work Methods. Each utility should instruct its employees in safe methods of performing their work.
D. Instruct In Artificial Respiration. Each utility should instruct its employees who, in the course of their work, are subject to the hazard of electrical shock or drowning, in accepted methods of artificial respiration.
Code of Maryland Regulations › Title 20 - PUBLIC SERVICE COMMISSION › Subtitle 50 - SERVICE SUPPLIED BY ELECTRIC COMPANIES › Chapter 20.50.08 - Safety › Section 20.50.08.03 - Grounding of Secondary Distribution System

Current through Register Vol. 51, No. 14, July 12, 2024
A. Standard Codes. Each utility shall use the applicable provisions in the National Electrical Safety Code and the National Electrical Code, which have been incorporated by reference in COMAR 20.50.02.02C, for the grounding of secondary circuits and equipment.
B. Testing Grounds. Artificial grounds not connected to a multigrounded system shall be tested for ground resistance at the time of installation.
C. Records of Tests. Records shall be kept of all ground resistance tests made in accordance with §B, of this regulation.
D. Inspection of Grounds. The utility shall establish a program of inspection to insure that artificial grounds are in good mechanical and electrical condition.
Code of Maryland Regulations › Title 20 - PUBLIC SERVICE COMMISSION › Subtitle 50 - SERVICE SUPPLIED BY ELECTRIC COMPANIES › Chapter 20.50.09 - Small Generator Facility Interconnection Standards › Section 20.50.09.01 - Scope

Current through Register Vol. 51, No. 14, July 12, 2024
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 this chapter shall meet one of the following criteria:
(1) The small generator facility is a qualifying facility pursuant to the Public Utility Regulatory Policies Act that intends to make sales at a rate approved by the Maryland Commission;
(2) The small generator facility is not a qualifying facility pursuant to the Public Utility Regulatory Policies Act and does not intend to make sales of wholesale electric energy through the PJM Interconnection, LLC;
(3) The small generator facility intends to make sales of wholesale electric energy through the PJM Interconnection, LLC at an electric distribution interconnection facility where there has been no prior FERC jurisdictional service;
(4) The small generator facility intends to make sales of wholesale electric energy through the PJM Interconnection, LLC only at an electric distribution interconnection facility through participation in a distributed energy resource aggregation; or
(5) The small generator facility will be interconnected to an electric distribution circuit and its energy will not be transmitted across state lines for a wholesale customer other than the electric distribution owner.
Code of Maryland Regulations › Title 20 - PUBLIC SERVICE COMMISSION › Subtitle 50 - SERVICE SUPPLIED BY ELECTRIC COMPANIES › Chapter 20.50.09 - Small Generator Facility Interconnection Standards › Section 20.50.09.03 - Acceptable Standards

Current through Register Vol. 51, No. 14, July 12, 2024
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.
Code of Maryland Regulations › Title 20 - PUBLIC SERVICE COMMISSION › Subtitle 50 - SERVICE SUPPLIED BY ELECTRIC COMPANIES › Chapter 20.50.09 - Small Generator Facility Interconnection Standards › Section 20.50.09.04 - Interconnection Requests

Current through Register Vol. 51, No. 14, July 12, 2024
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 be reasonably requested by the utility:
(1) Contact information for the interconnection customer;
(2) Existing utility account information;
(3) Location information for the small generator facility;
(4) Contact information for the interconnection customer's equipment and electrical contractors;
(5) Information on the manner in which the interconnection customer intends to use the small generator facility;
(6) Requested review level for interconnection request;
(7) Technical information regarding the generator and prime mover;
(8) Technical information regarding the interconnection components and system or systems;
(9) Location and other information regarding disconnect switch for small generator facility;
(10) Details regarding any plans to export power to the electric distribution system; and
(11) Any other item specified by the Commission.
Code of Maryland Regulations › Title 20 - PUBLIC SERVICE COMMISSION › Subtitle 50 - SERVICE SUPPLIED BY ELECTRIC COMPANIES › Chapter 20.50.09 - Small Generator Facility Interconnection Standards › Section 20.50.09.05 - Interconnection Request Processing Fees

Current through Register Vol. 51, No. 14, July 12, 2024
A. A utility may only charge a small generator interconnection request fee for a Level 2, Level 3, or Level 4 interconnection request.
(1) No charge for Level 1 applications;
(2) $50 plus $1 per kW of rated generating facility output for Level 2 applications; and
(3) $100 plus $2 per kW of rated generating facility output for Level 3 and 4 applications.
Code of Maryland Regulations › Title 20 - PUBLIC SERVICE COMMISSION › Subtitle 50 - SERVICE SUPPLIED BY ELECTRIC COMPANIES › Chapter 20.50.09 - Small Generator Facility Interconnection Standards › Section 20.50.09.06 - General Requirements

Current through Register Vol. 51, No. 14, July 12, 2024
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 the proposed use of an existing small generator facility. Any time a new interconnection request is processed for an existing small generator facility, the utility will apply any standards in effect at the time of the interconnection request and, if approved, a new interconnection agreement will be required. The interconnection request shall be evaluated on the basis of the total net system capacity of the small generator facility.
C. Utility Provided Information.
(1) A utility shall designate a contact person, and provide contact information on its website and for the Commission's website for submission of all interconnection requests, and from whom information on the interconnection request process and the utility's electric distribution system can be obtained.
(2) The information provided by the utility on its website shall include studies and other materials useful to an understanding of the feasibility of interconnecting a small generator facility on the utility electric distribution system, except to the extent providing the materials would violate security requirements or confidentiality agreements, or be contrary to law.
(3) For projects with a nameplate capacity over 20kW, the utility shall:
(a) Provide the applicant an opportunity to request a pre-application report, which may require payment of a fee listed in the utility's tariff;
(b) Publicly post the fee amount on the utility's website; and
(c) Provide the pre-application report within 20 business days, once the fee is paid.
(4) The pre-application report shall rely largely on pre-existing utility data and shall, at a minimum, include the following items:
(a) Initial proposed point of interconnection of the small generator facility, including address or GIS coordinates;
(b) Closest electrical facilities to the initial proposed point of interconnection of the small generator facility, including voltage level, feeder identification, substation, and including distance to that substation;
(c) Amount of generation hosting capacity available on the closest feeder, if this information is in possession of or easily obtainable by the utility; and
(d) Any other items specified by the Commission.
(5) In appropriate circumstances, the utility may require an applicant to execute an appropriate confidentiality agreement prior to release or access to confidential or restricted information.
Code of Maryland Regulations › Title 20 - PUBLIC SERVICE COMMISSION › Subtitle 50 - SERVICE SUPPLIED BY ELECTRIC COMPANIES › Chapter 20.50.09 - Small Generator Facility Interconnection Standards › Section 20.50.09.07 - Lab-Certified and Field-Approved Equipment

Current through Register Vol. 51, No. 14, July 12, 2024
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 in §B(7) of this regulation by any NRTL recognized by the United States Occupational Safety and Health Administration to test and certify interconnection equipment under the relevant codes and standards listed in §B(7) of this regulation;
(2) The interconnection equipment has been labeled and is publicly listed by the NRTL at the time of the interconnection request;
(3) The NRTL testing the interconnection equipment makes readily available, such as by posting on its website, copies of all test standards and procedures utilized in performing equipment certification, and, with applicant approval, the test data itself;
(4) The applicant verifies that the intended use of the interconnection equipment falls within the use or uses for which the interconnection equipment was labeled, and listed by the NRTL;
(5) If the interconnection equipment is an integrated equipment package such as an inverter, the applicant shall show that the small generator facility is compatible with the interconnection equipment and is consistent with the testing and listing specified for this type of interconnection equipment;
(6) If the interconnection equipment includes only interface components such as switchgear, multifunction relays, or other interface devices, the applicant shall show that the small generator facility is compatible with the interconnection equipment and is consistent with the testing and listing specified for this type of interconnection equipment; and
(7) The interconnection equipment is:
(a) Evaluated by a NRTL in accordance with the following codes and standards:
(i) IEEE Standard 1547, including use of IEEE Standard 1547.1 testing protocols to establish conformity, which are incorporated by reference in COMAR 20.50.02.02C; and
(ii) National Electrical Code, which is incorporated by reference in COMAR 20.50.02.02C; and
(b) Certified by Underwriters Laboratories under UL Standard 1741.
Code of Maryland Regulations › Title 20 - PUBLIC SERVICE COMMISSION › Subtitle 50 - SERVICE SUPPLIED BY ELECTRIC COMPANIES › Chapter 20.50.09 - Small Generator Facility Interconnection Standards › Section 20.50.09.08 - Determination of Interconnection Jurisdiction and Level of Utility Review of Interconnection Request

Current through Register Vol. 51, No. 14, July 12, 2024
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 generator facility, or multiple small generator facilities interconnecting at a point of common coupling, has a nameplate capacity of 20kW or less.
C. A utility shall use a Level 2 procedure to evaluate an interconnection request when:
(1) The following criteria are met:
(a) The small generation facility, or multiple small generator facilities interconnecting at a point of common coupling, has a nameplate capacity of 2 MW or less;
(b) The interconnection equipment is lab-certified or field-approved; and
(c) The proposed interconnection is to a radial distribution circuit, or a spot network limited to serving one customer; or