Act	means the Electricity Act 1989;
Affiliate	means, in respect of a person, any company which is, from time to time, a subsidiary or holding company of that person or a subsidiary of any such holding company (and the terms “subsidiary” and “holding company” shall have the meanings given to them by section 1159 of the Companies Act 2006);
Agreed Codes	means the ‘Charge Codes’ and the ‘Switch Regime Codes’, (in each case) as referred to in the Unmetered Supplies Procedure;
Agreement	means the terms and conditions of Sections 1 and 4 of the National Terms of Connection, which the Customer has agreed with the Company to accept in respect of the Connection Points;
Application for a Modification	means the Company’s standard form for applying for a Modification, which is available from the Company on request;
Apparatus	means all equipment in which electrical conductors are used, supported or of which they may form part;
Authorised Persons	means persons authorised by the Company to undertake certain work on the Connection Equipment and the Monitoring Equipment;
Authority	means the Gas and Electricity Markets Authority as established by section 1 of the Utilities Act 2000;
Balancing and Settlement Code or “BSC”	means the Balancing and Settlement Code maintained pursuant to the ESO Licence (including any and all subsidiary documents and procedures made under it);
Company	means the holder of the Electricity Distribution Licence which applies to the Distribution System through which electricity is conveyed to, and from, the Connection Point;
Company’s Equipment	means the switchgear, metering or other equipment, lines or other parts of the Distribution System, and any other property or rights of the Company (including any Substation apparatus);
Company’s Premises	means any land or buildings of the Company in which any of the Customer’s Installation is to be installed or is, from time to time, situated;
Competent Authority	includes the Secretary of State, the Authority and any local or national agency, authority, court, department, inspectorate, minister, ministry, official or public or statutory person (whether autonomous or not) of (or of the government of) the United Kingdom or of the European Union, insofar (in each case) as it is acting within the limits of its proper authority;
Connect	means the installation of the Connection Equipment in such a way that (subject to Energisation) the Customer may import electricity to, and/or export electricity from, the Customer’s Installation over the Distribution System at the Connection Point;
Connection Equipment	means that part of the Company’s Equipment which has been provided and installed by the Company for the purposes of providing a connection at the Connection Point;
Connection Point	means the point or points of connection at which electricity may (upon Energisation) flow between the Distribution System and the Customer’s Installation, and is a reference to the point or points of connection at the Premises to which this Agreement applies;
Connection and Use of System Code or CUSC	means the Connection and Use of System Code maintained pursuant to the ESO Licence (including the framework agreement by which it is made contractually binding, and any supplementary agreement made under it);
Control Equipment	means: the control equipment owned by the Customer or the Company, as applicable; installed on the Company’s side of the supply terminals; and used for the purposes of controlling the actual pattern of consumption of electricity at the Connection Point (or at the Connection Point and other connection points) in lieu of the Customer providing its own control equipment within the Customer’s Installation;
Customer	means the person, other than the Company, to whom this Agreement applies;
Customer’s Installation	means any structures, equipment, lines, appliances or devices (not being the Company’s Equipment) used, or to be used, at the Premises (whether or not owned or used by the Customer);
De-energisation	means the deliberate movement of any switch or the removal of any fuse or the taking of any other step whereby no electrical current can flow between the Distribution System and the Customer’s Installation at the Connection Point (and “De-energise(d)” shall be construed accordingly);
Detailed Inventory	means a record of the Customer’s Installation which contains in relation to each Item the information specified in Clause 7.1 (as such record is amended from time to time in accordance with this Agreement);
DGNU Payment	means the compensation mechanism (the Distributed Generation Network Unavailability Payment) created by the Authority to make compensation payments for network outages experienced by customers with distributed generation;
Directive	includes any present or future directive, requirement, licence condition, instruction, direction or rule of any Competent Authority (but only, if not having the force of law, if compliance with the Directive is in accordance with the general practice of persons to whom the Directive is addressed) and includes any modification, extension or replacement thereof then in force;
Disconnection	means the permanent electrical disconnection of all or any of the Connection Equipment (and “Disconnect” shall be construed accordingly);
Disconnection Notice	means a notice sent by the Customer to the Company requesting that the Company Disconnect one or more of the Connection Points;
Distribution Code	means the distribution code established pursuant to the Company’s Electricity Distribution Licence;
Distribution Connection and Use of System Agreement or “DCUSA”	means the Distribution Connection and Use of System Agreement established pursuant to the Electricity Distribution Licences;
Distribution System	has the meaning given to that expression in the Electricity Distribution Licences, and (unless the context otherwise requires) is a reference to the Company’s Distribution System (as defined in the Company’s Electricity Distribution Licence);
DNO	means the holder of an Electricity Distribution Licence in which Section B of the standard distribution licence conditions has effect;
EDNO	means the holder of an Electricity Distribution Licence which is not a DNO (or is a DNO operating outside of its Distribution Services Area, as defined in its Electricity Distribution Licence) where its Distribution System is embedded within a DNO's GSP Group (as defined in the BSC);
Election	means, where the Company is an EDNO, the notification (if any) by the Customer to the Company that the Customer wishes to combine data in respect of certain Items forming all or part of the Customer’s Installation with data in respect of other items comprising installations connected to the Host Network (pursuant to which notification the Host DNO shall act as UMSO in respect of those Items);
Electricity Distribution Licence	means an electricity distribution licence granted pursuant to section 6 (1) (c) of the Act;
Electricity Supplier	means a person who is the holder of a licence to supply electricity under section 6 of the Act, or who is exempted from the requirement to hold such a licence under section 5 of the Act;
Energisation	means the movement of any switch or the insertion of any fuse or the taking of any other step so as to enable an electrical current to flow between the Distribution System and the Customer’s Installation at the Connection Point (and “Energise(d)” shall be construed accordingly);
ESO Licence	means a licence granted or treated as granted under section 6(1)(da) of the Act.
Force Majeure	means, in respect of a Party, any event or circumstance which is beyond the reasonable control of that Party and which results in or causes the failure of that Party to perform any of its obligations under this Agreement, which event of circumstance shall include: act of God, strike lockout or other industrial disturbance, act of the public enemy, war declared or undeclared, threat of war, terrorist act, blockade, revolution, riot, insurrection, civil commotion, public demonstration, sabotage, act of vandalism, lightning, fire, storm, flood, earthquake, accumulation of snow or ice, lack of water arising from weather or environmental problems, explosion, infrequent transient voltage variations (whether substantial or otherwise), and fault or failure of Plant and Apparatus (to the extent that any such event or circumstance could not have been prevented by Good Industry Practice); and shall also include: governmental restraint, any Act of Parliament, other legislation, or Directive (not being any order, regulation or direction under section 33, 34 or 35 of the Act); and (in respect of the Company) shall include: the failure of any generator or the ISOP to provide the Company with electricity (or any deficiency in the electricity provided) to the extent that such failure or deficiency or the consequences thereof could not have been prevented by the exercise of Good Industry Practice by the Company. Provided that a Party’s lack of funds shall not be interpreted as a cause beyond that Party’s reasonable control;
Generating Equipment	means any electricity generating unit;
Good Industry Practice	means the exercise of that degree of skill, diligence, prudence and foresight which would reasonably and ordinarily be expected from a skilled and experienced operator engaged in the same type of undertaking under the same or similar circumstances;
Grid Code	means the code of that name established pursuant to the ESO Licence;
Host DNO	means, where the Company is an EDNO, the DNO for the GSP Group (as defined in the BSC) within which the Company's Distribution System is embedded;
Host Network	means, where the Company is an EDNO, the network of the Host DNO;
Item	means each piece of equipment, appliance or device to which a ‘Charge Code’ applies under the Unmetered Supplies Procedure and which forms part of the Customer’s Installation and is referred to as Apparatus under MHHS;
ISOP	means the Independent System Operator and Planner as designated by the Secretary of State under section 162 of the Energy Act 2023 as the holder of the ESO Licence;
kVA	means kilovoltamperes;
kW	means kilowatts;
Market Domain I.D.	means the unique identifier for a market participant under the industry code known as the Data Transfer Services Agreement;
Maximum Export Capacity	means, in respect of a Connection Point (or the Connection Points collectively), the maximum amount of electricity (expressed in kW or kVA) which is permitted by the Company to flow into the Distribution System through the Connection Point (or the Connection Points collectively). The Maximum Export Capacity of the Connection Point shall be zero unless otherwise agreed;
Maximum Import Capacity	means, in respect of a Connection Point (or the Connection Points collectively), the maximum amount of electricity (expressed in kW or kVA) which is permitted by the Company to flow from the Distribution System through the Connection Point (or the Connection Points collectively);
Metering Point	has the meaning given to that expression in the BSC;
Metering System	has the meaning given to that expression in the BSC, and is a reference (unless the context otherwise requires) to the metering system or systems associated with the Connection Point;
Modification	means, in respect of a Party, any actual or proposed replacement, renovation, modification, alteration or construction by or on behalf of that Party to either that Party’s Plant or Apparatus or the manner of its operation, which (in either case) has or will have an effect on the other Party;
Modification Notification	means the Company’s standard form of Modification notification from time to time applicable;
Modification Offer	means an offer by the Company to the Customer made pursuant to Clause 15 of terms for connection in relation to any proposed Modification at or affecting one or more of the Connection Points, including any revision or extension of such offer;
Monitoring Equipment	means any monitoring and metering equipment that may be used by the Company for the purposes of measuring or checking consumption otherwise than for settlement;
National Electricity Transmission System	shall have the meaning given to that expression in the CUSC;
National Terms of Connection	means these National Terms of Connection, of which this Section 4 forms part, as amended from time to time in accordance with Clause 23;
Party	means each of the Company and the Customer (and “Parties” shall be construed accordingly);
Plant	means fixed and movable items used in the generation, supply and/or distribution of electricity (other than Apparatus);
Power Factor	means the ratio of real power to apparent power;
Premises	includes any land, building, or structure, and (unless the context requires otherwise) is a reference to the premises to which this Agreement applies;
Property	means the Premises to which this Agreement applies, together with any other premises of the Customer in which the Company’s Equipment is installed from time to time (or to which the Company may require access for the purpose of accessing the Company’s Equipment);
Property Documents	means any and all of the agreements that create (or otherwise concern) property interests and/or rights (including all leases, wayleaves, easements, and servitudes) in favour of the Company, to which the Customer is also party or which relate to the Connection Equipment;
Re-energisation	means the movement of any switch or the installation of any fuse or the taking of any other step whereby electrical current can flow between the Distribution System and the Customer’s Installation at the Connection Point (and “Re-energise(d)” shall be construed accordingly);
Registrant	means the person registered in accordance with the BSC as responsible for the Metering System (which may be an Electricity Supplier, or any other party to the BSC);
Regulations	means the Electricity Safety, Quality and Continuity Regulations 2002, the Electricity (Unmetered Supply) Regulations 2001, and/or the Electricity at Work Regulations 1989;
Small-Scale Generating Equipment	means one or more items of Generating Equipment that have an aggregate rating of no greater than 16 amps per phase connected at low voltage;
Substation	means an electricity substation (as defined in Regulation 1(5) of the Electricity Safety, Quality and Continuity Regulations 2002) of the Company;
Summary Inventory	means a statement of the total number of Items (listed by reference to the applicable Agreed Codes), such statement to be extracted from the Detailed Inventory (as such statement is amended from time to time in accordance with this Agreement) and is referred to as UMS Inventory under MHHS;
System Outage	means the deliberate act by the Company, by whatever means it determines, to interrupt the flow of electrical current to a part or parts of its Distribution System, for the purposes of carrying on its activities;
UMSO	means an Unmetered Supplies Operator (as defined in the BSC);
Unmetered Supplies	means a supply of electricity the quantity of which the Company has authorised not to be measured by physical metering equipment by the issue of an Unmetered Supply Certificate;
Unmetered Supply Certificate	means a certificate issued by the Company under the Unmetered Supplies Procedure stating, among other things, the MSID(s) (as defined in the Unmetered Supplies Procedure) allocated to one or more Items;
Unmetered Supplies Procedure	means Section S of the BSC, together with BSCP 520; or for MHHS, means Section S the BSC, together with BSCP700 and BSCP704;
Working Day	has the meaning given to that term in section 64 of the Act.

DCUSA Digital Document