In some embodiments, systems and methods described herein are directed to using smart meters to determine an operational status of an asset. In some embodiments, the asset is a transformer. In some embodiments, the system receives data from the smart meters such as voltage and associates the data with an asset feeding electricity to the smart meter. In some embodiments, the system includes a data analytics platform that can generate a failure probability prediction using the smart meter data. In some embodiments, the system includes an AI model configured to receive smart meter data, execute a decision analysis, and return a designation of whether the asset is at risk of failure or has failed.
In some embodiments, the system is directed to an autonomous inspection system for electrical grid components. In some embodiments, the system collects electrical grid component data using an autonomous drone and then transmits the inspection data to one or more computers. In some embodiments, the system includes artificial intelligence that analysis the data and identifies electrical grid components defects and provides a model highlighting the defects to a user. In some embodiments, the system enables a user to train the artificial intelligence by providing feedback for models where defects or components are not properly identified.
Some embodiments include a system for metering an electrical grid comprising at least one processor executing instructions from a non-transitory computer-readable storage medium of an electrical grid fault detection system. In some embodiments of the system, the instructions cause a processor to calculate a prediction of whether power delivery to at least a portion of the electrical grid is functioning abnormally using voltage sensing devices coupled to at least one feeder, where one or more of the voltage sensing devices are responsive to a determination that the power delivery is functioning abnormally. Further in some embodiments, the determination includes the electrical grid fault detection system receiving at least one signal or voltage reading from the electrical grid based at least in part on a sensed or received voltage level or range of voltage level.
G01R 19/25 - Dispositions pour procéder aux mesures de courant ou de tension ou pour en indiquer l'existence ou le signe utilisant une méthode de mesure numérique
G01R 22/10 - Dispositions pour la mesure de l'intégrale dans le temps d'une puissance électrique ou d'un courant, p.ex. compteurs d'électricité par des méthodes électroniques en utilisant des techniques numériques
The disclosure is directed to a novel utility meter with an integrated backup power transfer system. In some embodiments, the system is capable of sensing and switching between multiple power sources. In some embodiments, the system is configured to supply power from multiple backup power sources in parallel. In some embodiments, the system is configured to record and/or transmit data usage and operational profiles, such as voltage and current from one or more power sources. In some embodiments, the system is configured to eliminate the need to install separate junction boxes or panels to meet the wire requirements of various municipalities.
H02J 9/06 - Circuits pour alimentation de puissance de secours ou de réserve, p.ex. pour éclairage de secours dans lesquels le système de distribution est déconnecté de la source normale et connecté à une source de réserve avec commutation automatique
H02J 3/38 - Dispositions pour l’alimentation en parallèle d’un seul réseau, par plusieurs générateurs, convertisseurs ou transformateurs
H02J 7/00 - Circuits pour la charge ou la dépolarisation des batteries ou pour alimenter des charges par des batteries
Some embodiments describe a DC meter system that can be placed in-line between a power source and an electrical load. In some embodiments, the DC meter system includes a DC meter that has multiple inputs for receiving electricity from multiple power sources. In some embodiments, the DC meter has one or more outputs, each capable of delivering electricity to a different electrical load. In some embodiments, the DC meter can combine electricity from two or more of the multiple inputs into one of the outputs. In some embodiments, the DC meter has a controller that can enable a user to deliver electricity from a particular input to a particular output. In some embodiments, the DC meter is configured to enable transition of electricity between an input and an output in a bi-directional manner. In some embodiments, the DC meter can record an amount of electricity transmitted in either direction.
Some embodiments of the invention include a method and system for metering an electrical grid comprising at least one processor executing instructions from a non-transitory computer-readable storage medium of an electrical grid fault detection system. In some embodiments of the system, the instructions cause a processor to calculate a prediction of whether power delivery to at least a portion of the electrical grid is functioning abnormally using voltage sensing devices coupled to at least one feeder, where one or more of the voltage sensing devices are responsive to a determination that the power delivery is functioning abnormally. Further in some embodiments, the determination includes the electrical grid fault detection system receiving at least one signal or voltage reading from the electrical grid based at least in part on a sensed or received voltage level or range of voltage level.
G01R 31/08 - Localisation de défauts dans les câbles, les lignes de transmission ou les réseaux
G01R 22/10 - Dispositions pour la mesure de l'intégrale dans le temps d'une puissance électrique ou d'un courant, p.ex. compteurs d'électricité par des méthodes électroniques en utilisant des techniques numériques
H02J 13/00 - Circuits pour pourvoir à l'indication à distance des conditions d'un réseau, p.ex. un enregistrement instantané des conditions d'ouverture ou de fermeture de chaque sectionneur du réseau; Circuits pour pourvoir à la commande à distance des moyens de commutation dans un réseau de distribution d'énergie, p.ex. mise en ou hors circuit de consommateurs de courant par l'utilisation de signaux d'impulsion codés transmis par le réseau
G01R 19/25 - Dispositions pour procéder aux mesures de courant ou de tension ou pour en indiquer l'existence ou le signe utilisant une méthode de mesure numérique
G01R 22/06 - Dispositions pour la mesure de l'intégrale dans le temps d'une puissance électrique ou d'un courant, p.ex. compteurs d'électricité par des méthodes électroniques
H02J 3/00 - Circuits pour réseaux principaux ou de distribution, à courant alternatif
7.
SYSTEM, SERVER AND METHOD FOR MONITORING UTILITY SYSTEMS
The disclosure describes a system for monitoring and mitigating damage to electrical utility structures and the surrounding environment. In some embodiments, the system includes fire boxes, arc sensors, angle switches, and disconnect switches configured to generate alert signals when a hazard is detected. In some embodiments, the system includes cameras configured to detect a hazard such as a fire or moving object. In some embodiments, the system includes light transmitters and light receivers positioned at a predetermined location away from power lines to detect objects that interrupt a line of site. In some embodiments, the system can electrically isolate a power line before a detected hazard impacts a power line.
In some embodiments, the system is directed to an autonomous inspection system for electrical grid components. In some embodiments, the system collects electrical grid component data using an autonomous drone and then transmits the inspection data to one or more computers. In some embodiments, the system includes artificial intelligence that analysis the data and identifies electrical grid components defects and provides a model highlighting the defects to a user. In some embodiments, the system enables a user to train the artificial intelligence by providing feedback for models where defects or components are not properly identified.
Some embodiments include an electric meter assembly including a socket housing with a socket interface extending from a top side of the socket housing, and a removable or portable meter coupled to the socket interface. Further, the electric meter assembly includes a strap coupled at one end to at least one side of the socket housing. The socket housing includes a socket interface extending from a top side of the socket housing, and a secondary housing enclosed within the socket housing. The secondary housing includes a CT shunt and a switch assembly including an actuator extending through the top side. In some embodiments, the system includes a Customer and Distribution Automation Open Architecture. In some embodiments, an IoT router facilitates communication between one or more remote electronics including the electric meter assembly.
H04Q 9/00 - Dispositions dans les systèmes de commande à distance ou de télémétrie pour appeler sélectivement une sous-station à partir d'une station principale, sous-station dans laquelle un appareil recherché est choisi pour appliquer un signal de commande ou
H01R 13/703 - Association structurelle avec des composants électriques incorporés avec interrupteur incorporé actionné par l'engagement ou le retrait des pièces de couplage
H04L 29/08 - Procédure de commande de la transmission, p.ex. procédure de commande du niveau de la liaison
G01R 22/06 - Dispositions pour la mesure de l'intégrale dans le temps d'une puissance électrique ou d'un courant, p.ex. compteurs d'électricité par des méthodes électroniques
10.
System and server for parallel processing mixed integer programs for load management
The novel use of separate programs to control a parallel execution of a plurality of large scale linear program solvers executing sequentially on separate cores is disclosed. An embodiment detailing the system's use in optimizing a utility company's assets is also disclosed. As upgrades or better programs become available, in some embodiments each program in the system can be replaced without affecting the structure of the other programs. In some embodiments, the use of cloud based architecture allows for improved data collection and system execution as all that is needed to process data at a faster speed is to “rent” the additional physical or virtual cores from the provider.
Embodiments of the invention provide an electric meter assembly including a meter support platform or base able to reversibly electrically couple to a transformer providing inputs including an AC power supply, phase voltage, and/or a phase current. Output of the meter support platform or base can be DC power, AC phase voltage signals and/or AC phase current. Further, a removable or portable meter can couple to the meter support platform or base and to an electric meter system including a meter core coupled to a wireless transmitter, an antenna, an integrated power sensor, and data meter front end. The system includes a data manager configured for electric service analysis including energy usage, and/or interval temperature, phase voltage, current and phase angle in real time, electric energy kWh and kVARh values in a user-specified period, wrong meter base installation detection, physical location of the removable or portable meter, and tamper detection.
G01R 22/06 - Dispositions pour la mesure de l'intégrale dans le temps d'une puissance électrique ou d'un courant, p.ex. compteurs d'électricité par des méthodes électroniques
G01R 21/00 - Dispositions pour procéder aux mesures de la puissance ou du facteur de puissance
H04L 12/28 - Réseaux de données à commutation caractérisés par la configuration des liaisons, p.ex. réseaux locaux [LAN Local Area Networks] ou réseaux étendus [WAN Wide Area Networks]
Some embodiments include a server system including a computing device configured to be coupled to a communications network, a user device, a mapping database with mapping data, and an asset or infrastructure database including asset or infrastructure data. Program logic can receive a data communication including location information from the user device and display a map and asset or infrastructure information and a graphical user interface (GUI) on a display of the user device. Displayed information can be related to an emergency or safety alert, a condition related to asset or infrastructure data, or a response or status of assets or infrastructure to an environmental factor or human-made phenomenon.
Some embodiments include a server system including a computing device configured to be coupled to a communications network, a user device, a mapping database with mapping data, and an asset or infrastructure database including asset or infrastructure data. Program logic can receive a data communication including location information from the user device and display a map and asset or infrastructure information and a graphical user interface (GUI) on a display of the user device. Displayed information can be related to an emergency or safety alert, a condition related to asset or infrastructure data, or a response or status of assets or infrastructure to an environmental factor or human-made phenomenon.
Some embodiments include a metering system including a base housing configured to be coupled to a supply of a consumable, and including a plurality of meter slots, wherein each meter slot is configured to couple with a removeable meter module. Further, the metering system includes a removeable cover housing configured to removably couple to the base housing, and a meter module that includes at least one meter core and at least one data transfer functionality or assembly. The meter module can independently meter at least a portion of the consumable consumed by at least one consumer. A metering assembly with a removeable meter module and an associated meter slot can independently meter at least a portion of a consumable consumed by at least one consumer, and metering of the consumable to a consumer from one meter slot is independent of metering of the consumable from another meter slot.
G06Q 50/06 - Fourniture d'électricité, de gaz ou d'eau
G01R 22/10 - Dispositions pour la mesure de l'intégrale dans le temps d'une puissance électrique ou d'un courant, p.ex. compteurs d'électricité par des méthodes électroniques en utilisant des techniques numériques
G01S 19/14 - Récepteurs spécialement adaptés pour des applications spécifiques
Some embodiments include a metering system including a base housing configured to be coupled to a supply of a consumable, and including a plurality of meter slots, wherein each meter slot is configured to couple with a removeable meter module. Further, the metering system includes a removeable cover housing configured to removably couple to the base housing, and a meter module that includes at least one meter core and at least one data transfer functionality or assembly. The meter module can independently meter at least a portion of the consumable consumed by at least one consumer. A metering assembly with a removeable meter module and an associated meter slot can independently meter at least a portion of a consumable consumed by at least one consumer, and metering of the consumable to a consumer from one meter slot is independent of metering of the consumable from another meter slot.
G01R 22/06 - Dispositions pour la mesure de l'intégrale dans le temps d'une puissance électrique ou d'un courant, p.ex. compteurs d'électricité par des méthodes électroniques
B60S 5/00 - Maintenance, entretien, réparation ou révision des véhicules
B60L 53/66 - Transfert de données entre les stations de charge et le véhicule
B60L 53/63 - Surveillance et commande des stations de charge en réponse à la capacité du réseau
Embodiments of the invention include a resource metering system and method including one or more sensors, and an automatic shut-off valve, a power source, a capacitor-based charging circuit, an RF communications board, and a processor capable of executing instructions from a non-transitory computer-readable storage medium of a resource distribution system. The operation of the processor by the instructions can enable the resource metering system to wirelessly receive and act on signals or data transmitted from the RF communication board, where the signals or data are received from the sensors.
G01R 31/08 - Localisation de défauts dans les câbles, les lignes de transmission ou les réseaux
G01R 22/10 - Dispositions pour la mesure de l'intégrale dans le temps d'une puissance électrique ou d'un courant, p.ex. compteurs d'électricité par des méthodes électroniques en utilisant des techniques numériques
H02J 13/00 - Circuits pour pourvoir à l'indication à distance des conditions d'un réseau, p.ex. un enregistrement instantané des conditions d'ouverture ou de fermeture de chaque sectionneur du réseau; Circuits pour pourvoir à la commande à distance des moyens de commutation dans un réseau de distribution d'énergie, p.ex. mise en ou hors circuit de consommateurs de courant par l'utilisation de signaux d'impulsion codés transmis par le réseau
H04L 12/28 - Réseaux de données à commutation caractérisés par la configuration des liaisons, p.ex. réseaux locaux [LAN Local Area Networks] ou réseaux étendus [WAN Wide Area Networks]
G01R 21/00 - Dispositions pour procéder aux mesures de la puissance ou du facteur de puissance
17.
Unauthorized electrical grid connection detection and characterization system and method
Embodiments of the invention provide systems and method for monitoring unauthorized electrical grid access via an electrical connection to the electrical grid and/or an electrical component of the electrical grid, and retrieving customer energy data from an energy delivery server including one or more customer records of a customer's coupling to one or more energy delivery systems or networks. The system and method further includes deriving a information or rules from the customer energy data, and determining a net energy metering (NEM) status by establishing an indicator of net energy metering (NEM) access to the customer. The system and method further includes determining solar status by determining if the customer is a solar customer, analyzing and determining a system size of the customer, and determining unauthorized interconnection of the customer based on the analysis of system size, solar status, and the customer's net energy metering (NEM) status.
G05B 19/02 - Systèmes de commande à programme électriques
G05B 15/02 - Systèmes commandés par un calculateur électriques
G06F 1/18 - Installation ou distribution d'énergie
G06Q 50/06 - Fourniture d'électricité, de gaz ou d'eau
G06F 1/28 - Surveillance, p.ex. détection des pannes d'alimentation par franchissement de seuils
H02J 13/00 - Circuits pour pourvoir à l'indication à distance des conditions d'un réseau, p.ex. un enregistrement instantané des conditions d'ouverture ou de fermeture de chaque sectionneur du réseau; Circuits pour pourvoir à la commande à distance des moyens de commutation dans un réseau de distribution d'énergie, p.ex. mise en ou hors circuit de consommateurs de courant par l'utilisation de signaux d'impulsion codés transmis par le réseau
H02J 3/38 - Dispositions pour l’alimentation en parallèle d’un seul réseau, par plusieurs générateurs, convertisseurs ou transformateurs
G06F 21/30 - Authentification, c. à d. détermination de l’identité ou de l’habilitation des responsables de la sécurité
Some embodiments of the invention include a method and system for metering an electrical grid comprising at least one processor executing instructions from a non-transitory computer-readable storage medium of an electrical grid fault detection system. In some embodiments of the system, the instructions cause a processor to calculate a prediction of whether power delivery to at least a portion of the electrical grid is functioning abnormally using voltage sensing devices coupled to at least one feeder, where one or more of the voltage sensing devices are responsive to a determination that the power delivery is functioning abnormally. Further in some embodiments, the determination includes the electrical grid fault detection system receiving at least one signal or voltage reading from the electrical grid based at least in part on a sensed or received voltage level or range of voltage level.
G01R 31/08 - Localisation de défauts dans les câbles, les lignes de transmission ou les réseaux
G01R 22/10 - Dispositions pour la mesure de l'intégrale dans le temps d'une puissance électrique ou d'un courant, p.ex. compteurs d'électricité par des méthodes électroniques en utilisant des techniques numériques
H02J 13/00 - Circuits pour pourvoir à l'indication à distance des conditions d'un réseau, p.ex. un enregistrement instantané des conditions d'ouverture ou de fermeture de chaque sectionneur du réseau; Circuits pour pourvoir à la commande à distance des moyens de commutation dans un réseau de distribution d'énergie, p.ex. mise en ou hors circuit de consommateurs de courant par l'utilisation de signaux d'impulsion codés transmis par le réseau
G01R 19/25 - Dispositions pour procéder aux mesures de courant ou de tension ou pour en indiquer l'existence ou le signe utilisant une méthode de mesure numérique
G01R 22/06 - Dispositions pour la mesure de l'intégrale dans le temps d'une puissance électrique ou d'un courant, p.ex. compteurs d'électricité par des méthodes électroniques
Some embodiments include an electric meter assembly including a socket housing with a socket interface extending from a top side of the socket housing, and a removable or portable meter coupled to the socket interface. Further, the electric meter assembly includes at a strap coupled at one end to at least one side of the socket housing. The strap is configured and arranged to extend over at least a portion of the meter from one side of the socket to an opposite side of the socket. Some further embodiments include an electric meter assembly with a support platform including a coupled transformer and socket housing. The socket housing includes a socket interface extending from a top side of the socket housing, and a secondary housing enclosed within the socket housing. The secondary housing includes a CT shunt and a switch assembly including an actuator extending through the top side.
G01D 4/10 - Appareils d'indication ou d'enregistrement de maximum, c. à d. dont le tarif pour une période est basé sur une demande maximum pendant cette période
H01R 13/70 - Association structurelle avec des composants électriques incorporés avec interrupteur incorporé
G01D 11/30 - Supports spécialement adaptés à un instrument; Supports spécialement adaptés à un ensemble d'instruments
G01R 22/06 - Dispositions pour la mesure de l'intégrale dans le temps d'une puissance électrique ou d'un courant, p.ex. compteurs d'électricité par des méthodes électroniques
H01R 13/502 - Socles; Boîtiers composés de différentes pièces
H01R 13/73 - Moyens de montage des pièces de couplage sur les appareils ou structures, p.ex. sur un mur
H01R 24/76 - Dispositifs de couplage en deux pièces, ou l'une des pièces qui coopèrent dans ces dispositifs, caractérisés par leur structure générale avec des broches, des pinces ou des contacts analogues, assujettis à l'appareil ou à la structure, p.ex. à une paroi
Embodiments of the invention provide an electric meter assembly including a meter support platform or base able to reversibly electrically couple to a transformer providing inputs including an AC power supply, phase voltage, and/or a phase current. Output of the meter support platform or base can be DC power, AC phase voltage signals and/or AC phase current. Further, a removable or portable meter can couple to the meter support platform or base and to an electric meter system including a meter core coupled to a wireless transmitter, an antenna, an integrated power sensor, and data meter front end. The system includes a data manager configured for electric service analysis including energy usage, and/or interval temperature, phase voltage, current and phase angle in real time, electric energy kWh and kVARh values in a user-specified period, wrong meter base installation detection, physical location of the removable or portable meter, and tamper detection.
H04L 12/28 - Réseaux de données à commutation caractérisés par la configuration des liaisons, p.ex. réseaux locaux [LAN Local Area Networks] ou réseaux étendus [WAN Wide Area Networks]
G01R 22/06 - Dispositions pour la mesure de l'intégrale dans le temps d'une puissance électrique ou d'un courant, p.ex. compteurs d'électricité par des méthodes électroniques
21.
SMART ENERGY AND DATA/INFORMATION METERING SYSTEM AND METHOD
Embodiments of the invention provide an electric meter assembly including a meter support platform or base able to reversibly electrically couple to a transformer providing inputs including an AC power supply, phase voltage, and/or a phase current. Output of the meter support platform or base can be DC power, AC phase voltage signals and/or AC phase current. Further, a removable or portable meter can couple to the meter support platform or base and to an electric meter system including a meter core coupled to a wireless transmitter, an antenna, an integrated power sensor, and data meter front end. The system includes a data manager configured for electric service analysis including energy usage, and/or interval temperature, phase voltage, current and phase angle in real time, electric energy kWh and kVARh values in a user-specified period, wrong meter base installation detection, physical location of the removable or portable meter, and tamper detection.
G01R 22/06 - Dispositions pour la mesure de l'intégrale dans le temps d'une puissance électrique ou d'un courant, p.ex. compteurs d'électricité par des méthodes électroniques
G01R 22/10 - Dispositions pour la mesure de l'intégrale dans le temps d'une puissance électrique ou d'un courant, p.ex. compteurs d'électricité par des méthodes électroniques en utilisant des techniques numériques
G01R 11/04 - Boîtiers; Bâtis supports; Agencements des bornes
Some embodiments include an electric meter assembly including a socket housing with a socket interface extending from a top side of the socket housing, and a removable or portable meter coupled to the socket interface. Further, the electric meter assembly includes at a strap coupled at one end to at least one side of the socket housing. The strap is configured and arranged to extend over at least a portion of the meter from one side of the socket to an opposite side of the socket. Some further embodiments include an electric meter assembly with a support platform including a coupled transformer and socket housing. The socket housing includes a socket interface extending from a top side of the socket housing, and a secondary housing enclosed within the socket housing. The secondary housing includes a CT shunt and a switch assembly including an actuator extending through the top side.
Embodiments of the invention include a gas training system with a computing device or server coupled to a mapping component and a virtual leak detector. The virtual leak detector is configured to communicate at least one location or GPS position data. A trainee device or good is coupled with the virtual leak detector discoverable by the computing device or server. A coupled non-transitory computer readable medium can cause the computing device or server to retrieve a map and/or image from the mapping component representing an actual training area or location. Further, based at least in part on the location or GPS position data received from the virtual leak detector, the map or map image is displayed with a representation of the trainee device or good positioned based at least in part on the actual physical location of the at least one trainee device or good.
G09B 5/02 - Matériel à but éducatif à commande électrique avec présentation visuelle du sujet à étudier, p.ex. en utilisant une bande filmée
G06F 3/0484 - Techniques d’interaction fondées sur les interfaces utilisateur graphiques [GUI] pour la commande de fonctions ou d’opérations spécifiques, p.ex. sélection ou transformation d’un objet, d’une image ou d’un élément de texte affiché, détermination d’une valeur de paramètre ou sélection d’une plage de valeurs
G09B 29/10 - Spots pour la lecture des cartes ou indicateurs de position par coordonnées; Aides pour la lecture des cartes
Some embodiments include a method of providing substantially uninterrupted gas service by coupling at least one gas cylinder to a portable tanking assembly. The tanking assembly can include a cart including a rear frame and a coupled carrier frame supported on an axle with wheels. In some embodiments, the carrier frame can include a caged regulation assembly housing at least a portion of a regulation apparatus with an upstream supply end coupled to a downstream delivery end. In some embodiments, the regulation apparatus includes a primary regulator coupled a one relief valve. The relief valve can be coupled to a downstream regulator, coupled to a water column gauge. In some embodiments, the regulation apparatus further includes a delivery valve. In some embodiments, the delivery valve comprises a distribution manifold assembly including a manifold and a plurality of distribution couplers coupled to the manifold.
Some embodiments provide systems and methods of managing enterprise resources including providing a plurality of process modules for managing resources associated with a plurality of processes, at least one of the modules using at least one processor to access a database stored on a non-transitory computer-readable storage medium. Some embodiments include providing a project and asset management module for managing at least one step of a plurality of projects including long-term planning and defining at least one project work item in a project life cycle. Some embodiments also include a resource and scheduling module for maintaining a resource database stored on a non-transitory computer-readable storage medium and for scheduling project resources. Some embodiments include a planning and reporting module, an engineering design module, and an interface module that uses at least one of the processors to interface at least two of the plurality of modules.
G06Q 10/06 - Ressources, gestion de tâches, des ressources humaines ou de projets; Planification d’entreprise ou d’organisation; Modélisation d’entreprise ou d’organisation
26.
SYSTEM AND METHOD FOR CALCULATING AND REPORTING MAXIMUM ALLOWABLE OPERATING PRESSURE
Embodiments of the invention provide a pipeline analysis system for analyzing a pipeline dataset to determine compliance with desired maximum allowable pipeline operating pressures. In some embodiments, pipeline component data can correspond to an existing or planned physical pipeline. In some embodiments, the pipeline analysis system can enable revision of the pipeline component data to specify at least one pipeline component having at least one different characteristic than was originally specified in the dataset or specify pipeline components that are in compliance with desired maximum allowable pipeline operating pressures. In some embodiments, the pipeline analysis system comprises a processor, and at least one non-transitory computer-readable storage medium for tangibly storing thereon program logic for execution by the processor. In some embodiments, the program logic comprises logic executed by the processor for receiving and tangibly storing pipeline component data corresponding to an existing or planned physical pipeline.
36 - Services financiers, assurances et affaires immobilières
Produits et services
charitable fund raising services in the nature of obtaining funds and applying them toward the payment of bills for eligible customers of public utility services
41 - Éducation, divertissements, activités sportives et culturelles
Produits et services
educational and entertainment services; namely, experimentation exhibits, demonstrations, displays, courses, seminars and workshops and the dissemination of informational materials in the field of energy efficient technology and design techniques
