Method of and system for auditing the energy-usage of a facility
First Claim
1. A method of auditing the energy-usage by a facility including an energy-using system, the energy-using system including an operating parameter having a value, the method comprising:
- acquiring an initial value of the operating parameter;
acquiring initial data of the energy-using system with the operating parameter set at the initial value;
creating a baseline model of the energy-usage by the facility with the initial energy-using system data;
determining an initial rate of energy-usage by the facility based upon the initial energy-using system data and the baseline energy-usage model;
changing the initial value of the operating parameter to a changed value;
acquiring subsequent data relating to the energy-using system with the operating parameter set at the changed value; and
determining a modified rate of energy-usage by the facility based upon the subsequent energy-using system data and the baseline energy module.
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Accused Products
Abstract
A method of and system for auditing the energy-usage by a facility, where the facility includes an energy-using system having an operating parameter with a value. One embodiment of the method includes acquiring an initial value of the operating parameter, acquiring initial data of the energy-using system with the operating parameter set at the initial value, acquiring values relating to a weather parameter for the facility, and creating a baseline model of the energy-usage by the facility with the initial energy-using system data and the weather data. Some embodiments of the method can further include determining an initial rate of energy-usage by the facility based upon the baseline energy model, changing the initial value of the operating parameter, determining a modified rate of energy-usage by the facility, and calculating a savings in energy costs from changing the initial value of the operating parameter.
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Citations
102 Claims
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1. A method of auditing the energy-usage by a facility including an energy-using system, the energy-using system including an operating parameter having a value, the method comprising:
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acquiring an initial value of the operating parameter;
acquiring initial data of the energy-using system with the operating parameter set at the initial value;
creating a baseline model of the energy-usage by the facility with the initial energy-using system data;
determining an initial rate of energy-usage by the facility based upon the initial energy-using system data and the baseline energy-usage model;
changing the initial value of the operating parameter to a changed value;
acquiring subsequent data relating to the energy-using system with the operating parameter set at the changed value; and
determining a modified rate of energy-usage by the facility based upon the subsequent energy-using system data and the baseline energy module. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. A method of auditing the energy-usage by a facility including an energy-using system, the energy-using system including an operating parameter having a value, the method comprising:
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acquiring an initial value of the operating parameter;
acquiring initial data of the energy-using system with the operating parameter set at the initial value;
acquiring a plurality of values relating to a weather parameter for the facility;
creating a baseline model of the energy-usage by the facility with the initial energy-using system data and the weather data; and
wherein creating a baseline model includes determining a balance of a mass flow rate of energy gains and losses to and from the energy-using system. - View Dependent Claims (20, 21, 22, 23, 24, 25, 26, 27)
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28. A method of auditing the energy-usage by a facility including an energy-using system, the energy-using system including an operating parameter having a value, the method comprising:
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acquiring an initial value of the operating parameter;
acquiring initial data of the energy-using system with the operating parameter set at the initial value;
acquiring a plurality of values relating to a weather parameter for the facility;
creating a baseline model of the energy-usage by the facility with the initial energy-using system data;
wherein creating a baseline model includes;
predicting a mathematical relationship for a mass flow rate of energy gains and losses to and from the energy-using system;
generating a predicted output relating to the energy-usage of the energy-using system based upon the values of the weather parameters and the predicted mathematical relationship;
comparing the predicted output with the initial energy-using system data; and
adjusting the mathematical relationship until the predicted output is within a predetermined percentage of the initial energy-using system data.
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29. A software for auditing the energy-usage by a facility including an energy-using system the energy-using system including an operating parameter having a value, the software executed by a processor to:
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acquire an initial value of the operating parameter;
acquire initial data of the energy-using system with the operating parameter set at the initial value;
acquire values relating to a weather parameter for the facility; and
create a baseline model of the energy-usage by the facility with the initial energy-using system data and the weather data;
change the initial value of the operating parameter to a changed value; and
determine a modified rate of energy-usage by the facility based upon the changed value of the operating parameter and the baseline energy-usage model. - View Dependent Claims (30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47)
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48. A software for auditing the energy-usage by a facility including an energy-using system, the energy-using system including an operating parameter having a value, the software executed by a processor to:
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acquire an initial value of the operating parameter;
acquire initial data of the energy-using system with the operating parameter set at the initial value;
acquire values relating to a weather parameter for the facility; and
create a baseline model of the energy-usage by the facility with the initial energy-using system data and the weather data; and
wherein creating a baseline model includes determining a mass-balance of the energy flowing to and from the energy-using system. - View Dependent Claims (49, 50, 51, 52, 53, 54, 55, 56)
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57. A software for auditing the energy-usage by a facility including an energy-using system, the energy-using system including an operating parameter having a value, the software executed by a processor to:
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acquire an initial value of the operating parameter;
acquire initial data of the energy-using system with the operating parameter set at the initial value;
acquire values relating to a weather parameter for the facility; and
create a baseline model of the energy-usage by the facility with the initial energy-using system data and the weather data;
wherein creating a baseline model includes;
predicting a mathematical relationship for a mass flow rate of energy gains and losses to and from the energy-using system;
generating a predicted output relating to the energy-usage of the energy-using system based upon the values of the weather parameters and the predicted mathematical relationship;
comparing the predicted output with the initial energy-using system data; and
adjusting the mathematical relationship until the predicted output is within a threshold difference from the initial initial energy-using system data.
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58. A method of auditing the energy-usage of an energy-using system of a facility, comprising:
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surveying a plurality of energy-using systems at the facility, each energy-using system including a plurality of operating parameters;
acquiring an initial value for each operating parameter;
acquiring initial data for each energy-using system with the respective operating parameters set at the initial value;
acquiring a plurality of values relating to a plurality of building parameters, respectively, of the facility;
acquiring a plurality of values relating to a plurality of weather parameters, respectively, for the facility;
creating a baseline model of the energy-usage by the facility using the initial value for each operating parameter, the initial data of the energy-using system, the plurality of values relating to the plurality of building parameters, and the plurality of values relating to the plurality of weather parameters;
wherein the energy-using system includes a refrigeration system; and
wherein creating a baseline model includes determining a mass flow rate of a refrigerant flowing to and from a refrigerated display case of the refrigeration system. - View Dependent Claims (59, 60, 61, 62)
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63. A method of auditing the energy-usage of an energy-using system of a facility, comprising:
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surveying a plurality of energy-using systems at the facility, each energy-using system including a plurality of operating parameters;
acquiring an initial value for each operating parameter;
acquiring initial data for each energy-using system with the respective operating parameters set at the initial value;
acquiring a plurality of values relating to a plurality of building parameters, respectively, of the facility;
acquiring a plurality of values relating to a plurality of weather parameters, respectively, for the facility;
creating a baseline model of the energy-usage by the facility using the initial value for each operating parameter, the initial data of the energy-using system, the plurality of values relating to the plurality of building parameters, and the plurality of values relating to the plurality of weather parameters;
determining an initial rate of energy-usage by the facility based upon the initial energy-using system data and the baseline energy-usage model;
changing the value of the initial operating parameter; and
determining a modified rate of energy-usage by the facility based upon the changed value of the operating parameter and the baseline energy module. - View Dependent Claims (64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79)
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80. A method of auditing the energy-usage of an energy-using system of a facility, comprising:
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surveying a plurality of energy-using systems at the facility, each energy-using system including a plurality of operating parameters;
acquiring an initial value for each operating parameter;
acquiring initial data for each energy-using system with the respective operating parameters set at the initial value;
acquiring a plurality of values relating to a plurality of building parameters, respectively, of the facility;
acquiring a plurality of values relating to a plurality of weather parameters, respectively for the facility;
creating a baseline model of the energy-usage by the facility using the initial value for each operating parameter, the initial data of the energy-using system, the plurality of values relating to the plurality of building parameters, and the plurality of values relating to the plurality of weather parameters;
wherein creating a baseline model includes;
predicting a mathematical relationship for a mass flow rate of energy gains and losses to and from the energy-using system;
generating a predicted output relating to the energy-usage of the energy-using system based upon the values of the weather parameters and the predicted mathematical relationship;
comparing the predicted output with the initial energy-using system data; and
adjusting the mathematical relationship until the predicted output is within a threshold of the initial energy-using system data.
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81. A method of auditing the energy-usage by a supermarket having a plurality of energy-using systems, the energy-using systems including an operating parameter having a value, the plurality of energy-using systems including
a heating, ventilation, and air-conditioning system, a lighting system, and a refrigeration system, the method comprising: -
surveying the plurality of energy-using systems at the supermarket;
acquiring an initial value for each operating parameter;
acquiring initial data for each energy-using system with the respective operating parameters set at the initial value;
acquiring a plurality of values relating to a plurality of building parameters of the supermarket;
acquiring a plurality of values relating to a plurality of weather parameters, respectively, for the supermarket; and
creating a baseline model of the energy-usage by the supermarket using the initial value for each operating parameter, the initial data, the plurality of values relating to a plurality of building parameters, and the plurality of values relating to the plurality of weather parameters;
generating an output that indicates a baseline energy-usage for each energy-using system of the supermarket;
changing the value of the initial operating parameter; and
determining a modified rate of energy-usage by the supermarket based upon the subsequent energy-using system data and the baseline energy model. - View Dependent Claims (82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97)
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98. A method of auditing the energy-usage by a supermarket having a plurality of energy-using systems, the energy-using systems including an operating parameter having a value, the plurality of energy-using systems including
a heating, ventilation, and air-conditioning system, a lighting system, and a refrigeration system, the method comprising: -
surveying the plurality of energy-using systems at the supermarket;
acquiring an initial value for each operating parameter;
acquiring initial data for each energy-using system with the respective operating parameters set at the initial value;
acquiring a plurality of values relating to a plurality of building parameters of the supermarket;
acquiring a plurality of values relating to a plurality of weather parameters, respectively, for the supermarket; and
creating a baseline model of the energy-usage by the supermarket using the initial value for each operating parameter, the initial data, the plurality of values relating to a plurality of building parameters, and the plurality of values relating to the plurality of weather parameters;
generating an output that indicates a baseline energy-usage for each energy-using system of the supermarket;
wherein creating a baseline model includes;
predicting a mathematical relationship for a flow rate of energy gains and losses to and from the energy-using system;
generating a predicted output based upon the values of the weather parameters and the predicted mathematical relationship;
comparing the predicted output with the initial energy-using system data; and
adjusting the mathematical relationship until the predicted output is within a predetermined percentage of the initial energy-using system data. - View Dependent Claims (99, 100, 101, 102)
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Specification