TDSP (Transmission Distribution Service Provider) Glossary

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ACTUAL METER READING. A Meter Reading whereby Company has collected information from the Meter either manually or through a direct reading, through telemetry, or other electronic communications.

AFFILIATED RETAIL ELECTRIC PROVIDER. A retail electric provider that is affiliated with or the successor in interest of an electric utility certificated to serve an area.

BILLING DEMAND. Demand used for billing purposes as stated in the applicable Rate Schedule or Rider.

BILLING DETERMINANTS. Measured, calculated, or specified values used to determine Company™s Delivery Charges that can be transmitted to the CR on an approved TX SET electronic transaction. These values may include, but are not limited to, measurements of kilowatt-hours (kWh), actual monthly Non-Coincident Peak (NCP) Demand, annual NCP Demand, annual 4-CP Demand (coincident peak for four summer months), Billing Demand, Power Factor, fixed charges, number of lamps, Rate Schedules, and rate subclass.

COMMISSION, PUC, or PUCT. The Public Utility Commission of Texas.

COMPANY’S DELIVERY SYSTEM. The portion of the Delivery System that is owned by Company.

COMPETITIVE RETAILER (CR). A Retail Electric Provider, or a Municipally Owned Utility, or an Electric Cooperative that offers customer choice in the restructured competitive electric power market or any other entity authorized to provide Electric Power and Energy in Texas. For purposes of this Tariff, a Municipally Owned Utility or an Electric Cooperative is only considered a Competitive Retailer where it sells retail Electric Power and Energy outside its certified service territory.

CONSTRUCTION SERVICE CHARGE. Commission authorized charges to recover costs associated with Construction Services.

DELIVERY. The movement of Electric Power and Energy through Company’s electric lines and other equipment, including transformers, from the Point of Supply to the Point of Delivery.

DELIVERY CHARGES. Commission authorized rates and charges for the use of Company’s Delivery System. Delivery Charges comprise Delivery System Charges and Discretionary Charges.

DELIVERY SERVICE. The service performed by Company pursuant to this Tariff for the Delivery of Electric Power and Energy. Delivery Service comprises Delivery System Services and Discretionary Services.

DELIVERY SERVICE AGREEMENT. The standard, pro-forma document set forth in this Tariff in which Company and Competitive Retailer agree to be bound by the terms and conditions of Company’s Tariff.

DELIVERY SYSTEM. The electric lines, and other equipment, including transformers, owned by Company and the Meters, including Non-Company Owned Meters, used in the Delivery of Electric Power and Energy.

DELIVERY SYSTEM CHARGES. Commission authorized charges to recover costs associated with Delivery System Services.

DELIVERY SYSTEM SERVICES. Delivery Services whose costs are attributed to all Retail Customers that receive Delivery Service from Company and charged to Competitive Retailers serving Retail Customers under the Rate Schedules specified in Section 6.1.1,

DELIVERY SYSTEM CHARGES. Delivery System Services are all Tariffed Delivery Services provided by Company that are not specifically defined as Discretionary Services.

DEMAND. The rate at which electric energy is used at any instant or averaged over any designated period of time and which is measured in kW or kVA.

DISCRETIONARY CHARGES. Commission authorized charges to recover costs associated with Discretionary Services.

DISCRETIONARY SERVICES. Customer-specific services for which costs are recovered through separately priced Rate Schedules specified in Chapter 6.

ELECTRIC POWER AND ENERGY. The kWh, the rate of Delivery of kWh, and ancillary services related to kWh that a Competitive Retailer provides to Retail Customers.

ELECTRIC SERVICE IDENTIFIER or ESI ID. The basic identifier assigned to each Point of Delivery used in the registration system and settlement system managed by ERCOT or another Independent Organization.

ERCOT. The Electric Reliability Council of Texas, Inc.

ESTIMATED METER READING. The process by which Billing Determinants are estimated when an Actual Meter Reading is not obtained.

FACILITY EXTENSION POLICY. The Company policy that covers such activities as extensions of standard facilities, extensions of non-standard facilities, extensions of facilities in excess of facilities normally provided for the requested type of Delivery Service, upgrades of facilities, electric connections for temporary services, and relocation of facilities.

FACILITY EXTENSION AGREEMENT. The Service Agreement pursuant to this Tariff that must be executed by Company and the entity (either a Retail Customer or Retail Electric Provider) requesting certain Construction Services before Company can provide such Construction Services to the requesting entity.

KILOVOLT AMPERES or kVA. 1000 Volt-Amperes.

KILOWATT or kW. 1000 Watts.

KILOWATT-HOUR or kWh. 1000 Watt-hours.

LOAD FACTOR. The ratio, usually stated as a percentage, of actual kWh used during a designated time period to the maximum kW of Demand times the number of hours occurring in the designated time period.

METER or BILLING METER. A device, or devices for measuring the amount of Electric Power and Energy delivered to a particular location for Company billing, CR billing and as required by ERCOT. Meters for residential Retail Customers shall be Company owned unless otherwise determined by the Commission. Commercial and industrial Retail Customers required by the Independent Organization to have an IDR Meter may choose a Meter Owner in accordance with P.U.C. SUBST. R. 25.311, Competitive Metering Services and other Applicable Legal Authorities.

METER DATA. All data contained within the Meter.

METER OWNER. Entity authorized by the Retail Customer to own the Meter. Entity could be Retail

  Customer, Competitive Retailer, or other entity designated by the Retail Customer as permitted by

  Applicable Legal Authorities. If the Retail Customer is not eligible for competitive metering or does not

  choose to participate in competitive metering the Meter Owner shall be Company.

METER READING. The process whereby Company collects the information recorded by Meter. Such

  reading may be obtained manually, through telemetry or other electronic communications, or by

  estimation, calculation or conversion in accordance with the procedures and practices authorized under

  this Tariff.

METER READING SCHEDULE. No later than December 15 of each calendar year, Company shall post

  its schedule for reading each meter on its website so that Competitive Retailers and Retail Customers may access it. Company shall notify Competitive Retailer of any changes to this schedule 60 days prior

  to the proposed change. Company is responsible for reading the Meter within two Business Days of the

  date posted in this schedule.

METERING EQUIPMENT. Required auxiliary equipment that is owned by Company and used with the

  billing meter to accurately measure the amount of Electric Power and Energy delivered. Metering

  equipment under this definition does not include communication, storage, and equipment necessary for

customer access to data.

MUNICIPALLY OWNED UTILITY. A utility owned, operated, and controlled by a municipality or by a

  nonprofit corporation, the directors of which are appointed by one or more municipalities, as defined in

  PURA §11.003(11).

NON-COMPANY OWNED METER. A Meter on the ERCOT-approved competitive Meter list that is

  owned by an entity other than the Company. Unless otherwise expressly provided herein, a Non-

  Company Owned Meter shall be treated under this Tariff as if it were a Meter owned by the Company.

POINT OF DELIVERY. The point at which Electric Power and Energy leaves the Delivery System.

POINT OF SUPPLY. The point at which Electric Power and Energy enters the Delivery System.

POWER FACTOR. The ratio of real power, measured in kW, to apparent power, measured in kVA, for

  any given load and time, generally expressed as a percentage.

PREMISES. A tract of land or real estate or related commonly used tracts, including buildings and other

  appurtenances thereon.

PROVIDER OF LAST RESORT (POLR). A REP certified in Texas that has been designated by the

  Commission to provide a basic, standard retail service package to requesting or default customers.

PURA. Public Utility Regulatory Act, TEXAS UTILITIES CODE ANNOTATED.

RATE SCHEDULE. A statement of the method of determining charges for Delivery Service, including the

  conditions under which such charges and method apply. As used in this Tariff, the term Rate Schedule

  includes all applicable Riders.

REGISTRATION AGENT. Entity designated by the Commission to administer settlement and Premises

  data and other processes concerning a Retail Customer’s choice of Competitive Retailer in the

  competitive retail electric market in Texas.

RETAIL CUSTOMER. An end-use customer who purchases Electric Power and Energy and ultimately

  consumes it. Whenever used in the context of Construction Services, the term Retail Customer also

  includes property owners, builders, developers, contractors, governmental entities, or any other

  organization, entity, or individual that is not a Competitive Retailer making a request for such services to

  the Company.

RETAIL CUSTOMER’S ELECTRICAL INSTALLATION. All conductors, equipment, or apparatus of any

  kind on Retail Customer’s side of the Point of Delivery, except the Meter and Metering Equipment, used

  by or on behalf of Retail Customer in taking and consuming Electric Power and Energy delivered by

  Company.

RETAIL CUSTOMER’S ELECTRICAL LOAD. The power and energy required by all motors and other

  electricity-consuming devices located on Retail Customer™s Premises that are operated simultaneously

  using Electric Power and Energy delivered by Company.

RETAIL ELECTRIC PROVIDER or REP. As defined in PURA §31.002(17), a person, certificated

  pursuant to PURA §39.352, that sells Electric Power and Energy to Retail Customers.

RIDER. An attachment to a Rate Schedule that defines additional service options, pricing, conditions,

  and limitations for that class of service.

SCHEDULED METER READ DATE. Date Company is scheduled to read the Meter according to the

  Meter Reading Schedule.

SERVICE AGREEMENT. Any Commission-approved agreement between Company and a Retail

  Customer or between Company and a Competitive Retailer, which sets forth certain information, terms,

  obligations and/or conditions of Delivery Service pursuant to the provisions of this Tariff.

SERVICE CALL. The dispatch of a Company representative to a Delivery Service address or other

  designated location for investigation of a complete or partial service outage, irregularity, interruption or

  other service related issue.

SWITCHING FEE. Any fee or charge assessed to any Retail Customer or Competitive Retailer upon

  switching the Competitive Retailer that does not relate to recovering any utility cost or expenses already

  included in Commission-approved Delivery Charges included in Chapter 6 of this Tariff.

TAMPER or TAMPERING. Any unauthorized alteration, manipulation, change, modification, or diversion

  of the Delivery System, including Meter and Metering Equipment, that could adversely affect the integrity

  of billing data or the Company’s ability to collect the data needed for billing or settlement. Tampering

  includes, but is not limited to, harming or defacing Company facilities, physically or electronically

  disorienting the Meter, attaching objects to the Meter, inserting objects into the Meter, altering billing and

  settlement data or other electrical or mechanical means of altering Delivery Service.

TARIFF. The document filed with, and approved by, the PUC pursuant to which Company provides

  Delivery Service. It is comprised of Rate Schedules, Riders, and service rules and regulations. The

  service rules and regulations include definitions, terms and conditions, policies, and Service Agreements.