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Glossary of Terms

The Customer (Consumer)
A legal entity, as well as a non-incorporated entrepreneur having in ownership or otherwise lawfully facilities and systems of heat consumption, which is directly connected to district heating systems and concluded a contract for supply (receive) of the thermal energy (or) heat carriers with heat supply organization in the prescribed manner.
MDS 41-3.2000 ("Organizational and methodic recommendations for the district heating systems use in towns and other settlements").

Customer of Power Supply Organization
The electrical energy (heat) consumer which power plant is connected to the networks of power supply organization
GOST 19431-84 ("Power and Electrification").

Thermal Energy Balance of Heating System (Heat Balance)
Total distribution of heat energy quantity released by heat source(s) with losses when transferring and distribution of thermal energy used by subscribers to the perimeters.
MDS 41-3.2000 ("Organizational and methodic recommendations for the district heating systems use in towns and other settlements").

Heat Consumption without Contract
Consumption of thermal energy, heat carrier without a contract concluded in the prescribed order of heat or consumption of thermal energy, heat carrier using heat consuming installations connected to the heating system in violation of the established order of connection, or the consumption of thermal energy, heat carrier after the introduction of thermal energy supply in excess of allowable consumption or the consumption of thermal energy carrier after the presentation requirements of heat supply organization or heat network organization about the introduction of feed restriction or termination of the heat energy consumption of thermal energy, if the introduction of such restrictions or such termination shall be effected by the consumer;
The Federal Law "On Heat Supply".

Building Engineering Systems
Engineering services and equipment intended to provide public services and located in the premises of an apartment building or residential building.
RF Government Resolution No. 307 of May 26, 2006 ("On the procedure for providing public services to citizens").

Hot Water Heating System
The heat supply system in which water is the coolant.
GOST 26691-85 ("Heat Power engineering. Terms and Definitions").

Hot-Water Heating
The most common heating system used in modern residential, public, and industrial buildings, heat in the heated rooms is passed with hot water through the heaters placed in them.
The Great Soviet Encyclopedia. Soviet Encyclopedia Press, 1970 - 18240 p.

Renewable Energy Sources
Solar, wind, geothermal, natural water flows, as well as the energy existing in the nature of temperature gradients.
Federal Law No. 28-FZ of April 3, 1996 ("On Energy Saving").

Giga-Calorie
Unit of measure of heat energy, in particular, heat supplied by CHP of boiler station (1 Gcal = 109 calories).

Hot Water
The supply of hot water of housing, utilities and industrial companies for domestic and industrial needs, as well as equipment and devices complex that provide it. Hot water systems consist of heat sources, water treatment equipment, water heaters, pipelines transporting water, and devices to regulate and control the water temperature.
The Great Soviet Encyclopedia. Soviet Encyclopedia Press, 1970 - 18240 p.

Balance Participation Border
The dividing line of elements of water and (or) sewerage systems and facilities for them among the owners on the basis of ownership, economic management or operational management.
Russian Federation Government Resolution No. 167 of February 12, 1999 ("On approval of rules for use of municipal water supply and sewage systems in the Russian Federation").

Operational Responsibility Boundary
The dividing line of elements of the heating systems on the basis of duties (responsibilities) for operation of certain elements of heating systems established by the agreement of the parties.
MDS 41-3.2000 ("Organizational and methodic recommendations for the district heating systems use in towns and other settlements").

One Heating Supply Organization in the Heat Supply System
Heat Supply organization, which is governed in the scheme of heat supply by the federal executive body authorized by the Government of the Russian Federation for realization of state policy in the field of heat supply (hereinafter - the federal executive body authorized to implement state policy in the heat), or local government on the basis of criteria and in accordance with rules established by the organization of heating approved by the Government of the Russian Federation; The Federal Law "On Heat Supply".

Housing and Public Utility Services
Actions or activities of the Executive to maintain and restore the proper technical and sanitary condition of buildings, structures, equipment, communications, and housing and communal, domestic waste removal and delivery to consumers of electricity, potable water, gas, heat, and hot water.
GOST R 51617-2000 ("Housing and public utility services. General specifications.")

Plug
The three-dimensional part of the vessel allowing hermetically sealing of the hole
PB 03-576-03 ("Rules for design and safe operation of vessels under pressure" approved by Resolution of Gosgortekhnadzor of Russia from June 11, 2003 No. 91).

Closed Water Heating System
Water heating system in which water circulates in the heating network is only used as a heat carrier and is not selected from the network.
GOST 26691-85 ("Heat Power engineering. Terms and Definitions").

The Investment Program of the Organization Carrying Out Regulated Activities in Heating
Financing program for the organization performing regulated activities in the field of heating, construction, capital repairs, reconstruction, and (or) the modernization of the sources of thermal energy and (or) thermal networks for development, reliability and energy efficiency of heating systems, connecting the heat consuming installations of customers of thermal energy to the heating system;
The Federal Law "On Heat Supply".

Thermal Energy Source
An installation designed to produce thermal energy;
The Federal Law "On Heat Supply".

Calorie
The unit of measurement of thermal energy (1 cal = 4.19 J).

Thermal Network Camera
The construction on the thermal network for replacement and maintenance of equipment, appliances, and fittings.
RD 153-34.0-20.507-98 ("Standard instruction for technical operation of transport and distribution of thermal energy systems (heat networks)").

Quality of Heat Supply
Set of heating characteristics established by regulations of the Russian Federation and (or) contract for heating supply including the thermodynamic parameters of the carrier;
The Federal Law "On Heat Supply".

Collective (public) Metering Device
Measurement tool used to determine the volume (quantity) of public resources supplied into the apartment building.
RF Government Resolution No. 307 of May 26, 2006 ("On the procedure for providing public services to citizens").

Combined Production of Electricity and Thermal Energy
Mode of power plants where electricity production is directly related to the simultaneous production of thermal energy;
The Federal Law "On Heat Supply".

Commercial Heat and Coolant Accounting
Establishment of quality and quantity of thermal energy, carrier, produced, transmitted and consumed over a given period, with the help of heat meters, heat carrier (hereinafter - meters) or by calculation in order to use in calculating the parties in accordance with the agreements;
The Federal Law "On Heat Supply".

Public Utilities
The activities of the Executive of utilities on cold water, hot water supply, sewerage, electricity, gas supply and heating, providing comfortable living conditions for citizens in a residential area.
RF Government Resolution No. 307 of May 26, 2006 ("On the procedure for providing public services to citizens").

Boiler Plant
The complex of buildings and structures, building or room with a boiler (heat generator) and auxiliary processing equipment designed to produce heat for district heating.
SNiP II-35-76 ("Boiler installations. Design Standards").

Surcharges for Tariffs on Goods and Services of Municipal Complex Organization
The pricing rate which is set to organize the municipal complex on the basis of price (tariff) premiums for consumers, it is taken into account in the calculations of this organization for its manufactured goods (provided services), and is used to finance the investment program of the organization of public utilities.
Federal Law No. 210-FZ of December 30, 2004 ("On basis of tariffs regulation for public utilities").

Price (Tariffs) Bidding for Consumers
The pricing rate which is taken into account when calculating consumers with public utilities organizations, it is set to finance the investment programs of public organizations of the utilities complex and the total size of which corresponds to the amount of premiums to tariffs on goods and services organizations, public utilities, implementing investment programs for the development of communal infrastructure system.
Federal Law No. 210-FZ of December 30, 2004 ("On the basis of tariffs regulation of organizations of the public utilities company").

The reliability of Heat Supply
Characteristics of the state of the heating system which ensured the quality and safety of heat supply;
The Federal Law "On Heat Supply".

Pump Station of the Heat Network
The complex of structures and devices intended to change the hydraulic heat carrier parameters.
RD 153-34.0-20.507-98 ("Standard instruction for technical operation of transport and distribution of thermal energy (heat networks)").

Collective (Public) Metering Device
Measurement tool used to determine the volume (quantity) of public resources supplied into the apartment building.
RF Government Resolution No. 307 of May 26, 2006 ("On the procedure for providing public services to citizens").

Limitation of Heat Supply
Reduced supply of heat energy and carriers to the customer by reducing the water flow and (or) reducing the temperature of the carrier in comparison with the values specified in the contract
RD 153-34.0-20.507-98 ("Standard instruction for technical operation of transport and distribution of thermal energy (heat networks)").

Regulatory Authority of Heating Tariffs
Authorized by the Government of the Russian Federation, federal executive authority in the field of state regulation of heating tariffs (hereinafter - the federal body of executive power on state regulation of heating tariffs), the authorized body of executive power of the Russian Federation on state regulation of prices (tariffs) (hereinafter - executive authority of the Russian Federation on state regulation of prices (tariffs), or the local government settlement or urban district in the case of provision of adequate powers by the law of the Russian Federation in charge of regulation of prices (tariffs) in the field of heat;
The Federal Law "On Heat Supply".

Organization of Public Utilities Complex
A legal entity regardless of its legal form, performing the operation of the system(s) of municipal infrastructure used for the production of goods (services) in order to provide electricity, heat, water, sewerage and wastewater treatment, and (or) performing the operation of facilities used for recycling (disposal) of solid waste.
Federal Law № 210-FZ of December 30, 2004 ("On the basis of tariffs regulation of public utilities complex").

Heating Season
Time in hours or days per year during which the supplying of thermal energy for heating is carried out.
RD 153-34.1-20.329-2001 "Guidelines for Testing of water heating systems for maximum temperature of the heat carrier."

Steam Heating System
The heat supply system in which vapor is the coolant.
GOST 26691-85 ("Heat Power engineering. Terms and Definitions").

Transfer of Heat and Heat Carrier
The set of organizational and technology-related activities ensuring the maintenance of heating systems in the state corresponding to the requirements established by technical regulations, the reception, conversion and delivery of thermal energy carrier;
The Federal Law "On Heat Supply".

Breakdown (Outage) Periods
The full stopping delivery of the heat carrier to the subscriber (thermal energy).
MDS 41-3.2000 ("Organizational and methodic recommendations for the district heating systems use in towns and other settlements").

Peak Mode of Thermal Energy Source
The operation mode of heat source with variable power for varying levels of heat energy carrier customers;
The Federal Law "On Heat Supply".

Connection Fee
The fee making by persons engaged in the construction of buildings, structures, connected to the heating system, as well as fees, which make a person engaged in the reconstruction of buildings, structures, if this reconstruction entails an increase in heat load reconstructed building, structure, and construction (hereinafter - the connection fee);
The Federal Law "On Heat Supply".

Heat Carrier Quality Parameters
Physical and chemical characteristics of the carrier (transparency, hardness, etc.), causing the degree of its suitability for continuous normal operation of systems of heat consumption in accordance with their purpose
RD 153-34.0-20.507-98 ("Standard instruction for technical operation of transport and distribution of thermal energy (heat networks)").

Thermal Energy Consumer
An individual who acquires the thermal energy (power), heat carrier for use on its own heat consuming installations by right of ownership or other legal basis or for the provision of public services in parts of hot water and heating;
The Federal Law "On Heat Supply".

Individual Heating Plant
The substation designed to connect heat consumption systems of a building or part thereof.
The technical operation of thermal power plants. Approved by the order of the Russian Ministry of Energy on March 24, 03 No. 115.

Central Heating Station
The substation designed to connect heat consumption systems of two or more buildings.
The technical operation of thermal power plants. Approved by the order of the Russian Ministry of Energy on March 24, 03 No. 115.

Heat Energy Use Conditions
The process of heat energy and carrier consumption in compliance of thermal energy required characteristics of the process by the consumer in accordance with the regulations including technical regulations, and the heating conditions of the contract;
The Federal Law "On Heat Supply".

Heat Use Conditions
Specified in the contract quantity of heat energy (power), condensing water flows and quantity of circulating carrier used within a specified time (hour, day).
MDS 41-3.2000 ("Organizational and guidelines for the use of district heating systems in towns and other settlements").

Heat Supply Conditions
Specified in the contract quantity of supply of heat energy (power), and parameters (flow, temperature, pressure) of the heat carrier ensuring the normal operation of heat consumption systems.
MDS 41-3.2000 ("Organizational and guidelines for the use of district heating systems in towns and other settlements").

Heat Consumption System
Het consuming systems with heat pipes and networks that are designed to meet one or more types of thermal loads (heating, ventilation, hot water supply, and technological needs).
RD 153-34.1-20.329-2001 "Guidelines for testing of water heating systems for maximum temperature of the heat carrier."

Heat Supply System
The set of sources of thermal energy and heat consuming installations technologically connected by heat networks;
The Federal Law "On Heat Supply".

Average Outdoor Daily Air Temperature
The average value of the outside air temperature measured at certain times of the day at regular intervals. It is accepted according to the Meteorological Service.
GOST 12.1.005-88 ("Occupational safety standards system. General hygiene requirements for working zone air").

Heat Supply Scheme
The document containing the conceptual design materials on reasoning of effective and safe operation of the heating supply system and its development in view of legal regulation in the field of energy saving and energy efficiency rising;
The Federal Law "On Heat Supply".

Heat Supply Tariffs
The system of pricing bids intended for carried out calculations for the thermal energy (power), heat carrier and thermal energy and heat carrier transferring;
The Federal Law "On Heat Supply".

Electricity and Thermal Energy Tariffs
The system of pricing bids intended for carried out calculations for electric energy (power) and thermal energy (power).
Federal Law No. 41-FZ of April 14, 1995 ("On state regulation of tariffs for electric and thermal energy in the Russian Federation).

Thermal Power
Quantity of thermal energy that can be produced and (or) transferred by thermal network per time unit;
The Federal Law "On Heat Supply".

Heat Load
Quantity of thermal energy that can be received by a consumer of thermal energy per unit of time;
The Federal Law "On Heat Supply".

Heat Load of the Heat Supply System
The total amount of heat derived from sources of heat equal to the sum of heat consumption and heat sink thermal losses in the network per unit time
GOST 26691-85 ("Heat Power engineering. Terms and Definitions").

Heating Network
The set of devices (including central heating plants, pump stations) designed to transfer heat carrier from sources of thermal energy to heat consuming installation;
The Federal Law "On Heat Supply".

Thermal Energy
Energy resource during consumption of which the thermodynamic heat carrier parameters (temperature, pressure) are changed
The Federal Law "On Heat Supply".

Thermal Insulation
Protection of residential and public buildings, industrial heat plants, pipelines from unwanted heat exchange with the environment in order to reduce heat loss.
Industrial heat power engineering and technology. Guide. (Heat Power Engineering and Technology; Book 4). Edited by A.V. Klimenko and V.M. Zorin, Moscow: Publishing House of MEI, 2004. - 632 p.

Het Consuming Installation
The device designed for use thermal energy and heat carrier for the needs of the thermal energy consumer;
The Federal Law "On Heat Supply".

Heat Supply Organization
Organization engaged in selling to consumers and (or) heat supply organizations of produced or acquired by the thermal energy (power), het carrier, which are the owner, by right of ownership or other legal basis, of sources of thermal energy and (or) thermal heating system in the heat network, through which the heat consumers heating is carried out (This provision applies to the regulation of similar relationships with individual entrepreneurs);
The Federal Law "On Heat Supply".

Heat Supply
Providing consumers of thermal energy with thermal energy and heat carrier including maintenance of facilities;
The Federal Law "On Heat Supply".

District Heating
District heating in the production of electricity and heat in a single technological cycle.
GOST 19431-84 ("Power engineering and Electrification").

Co-Generation Plant
Thermal power plant producing and supplied consumers with electricity and heat at the same time.
Industrial heat power engineering and heat. Guide. (Heat Power Engineering and Technology; Book 4). Edited by A.V. Klimenko and V.M. Zorin, Moscow: Publishing House of MEI, 2004. - 632 p.

Heat Power Engineering
Section of power engineering associated with the procurement, use and transformation heat into various forms of energy.
GOST 19431-84 ("Power engineering and Electrification").

Point Accounting of Thermal Energy and Heat Carrier
Point in a heating system in which with the help of metering devices or by calculation the amount and quality of supplied, transferred or consumed heat energy carrier are measured for the purposes of commercial accounting;
The Federal Law "On Heat Supply".

District Heating
Heating the consumers by heat sources through a common thermal network.
GOST 19431-84 ("Power Engineering and Electrification").

Energy Saving
A set of measures or actions taken to ensure more efficient use of energy resources.
Industrial heat power engineering and heat. Guide. (Heat Power Engineering and Technology; Book 4). Edited by A.V. Klimenko and V.M. Zorin, Moscow: Publishing House of MEI, 2004. - 632 p.

Energy Sales Organizations
Organizations having the core business in sales to others of produced or purchased electric power.
Federal Law No. 35-FZ of March 26, 2003 ("On the Electric Power Engineering").

Power Supply Organization
Commercial organization selling to customers generated or purchased electricity and (or) thermal energy regardless of legal form.
Federal Law No. 41-FZ of April 14, 1995 ("On state regulation of tariffs for electric and thermal energy in the Russian Federation).