Patent US10152076 Energy Financial Settlements

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Patent US10152076

Issued 2018-12-11

System And Method For Aggregation Of Controllable Distributed Energy Assets

A system and method is provided that facilitates aggregation of a plurality of controllable distributed energy resources (DERs). A processor may be configured to determine DER forecasts including non-influenced power profile forecasts for a plurality of DERs that include different types of load assets that consume power, for when the DERs are not influenced via dispatches from the system, based at least in part on different physics characteristics associated with the different types of the DERs. The processor may also determine a combined reserve capacity forecast for aggregated DERs including both power assets that output power and the different types of load assets, based at least in part on an aggregation of the non-influenced power profile forecasts. In addition, the processor may control at least some of the plurality of DERs based at least in part on the combined reserve capacity forecast. Also in some examples, the processor may output a bid to an energy trading market system for a reserve capacity request for the aggregated DERs as an individual asset that corresponds to the determined combined reserve capacity forecast.

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3 Independent Claims

1. A system for aggregation of a plurality of controllable distributed energy resources (DERs) comprising: at least one processor configured to: determine DER forecasts including non-influenced power profile forecasts for a plurality of DERs that include different types of load assets that consume power, for when the plurality of DERs are not influenced via dispatches from the system, based at least in part on different physics characteristics associated with the different types of the load assets; determine a combined reserve capacity forecast for aggregated DERs including both power assets that output power and the different types of load assets, based at least in part on an aggregation of the non-influenced power profile forecasts; control at least some of the plurality of DERs based at least in part on the combined reserve capacity forecast; output a bid to an energy trading market system for a reserve capacity request for the aggregated DERs as an individual asset that corresponds to the determined combined reserve capacity forecast; determine an updated combined reserve capacity forecast for the aggregated DERs; select a subset of the plurality of DERs that is less than a total number of the plurality of DERs to send respective dispatches in order to more closely meet the reserve capacity request compared to if the plurality of DERs are not influenced via an output of dispatches, wherein the dispatches correspond to either: a respective first control limit power forecast for a respective DER that contributes to increasing required reserve capacity by the aggregated DERs; or a respective second control limit power forecast for the respective DER that contributes to decreasing required reserve capacity by the aggregated DERs, based on whether the reserve capacity request is either greater than or less than the updated reserve capacity forecast; and control a power output and power consumption of the subset of DERs with output of the dispatches in order to meet the reserve capacity request.
7. A method for aggregation of a plurality of controllable distributed energy resources (DERs) comprising: through operation of at least one processor: determining DER forecasts including non-influenced power profile forecasts for a plurality of DERs that include different types of load assets that consume power, for when the plurality of DERs are not influenced via dispatches from a system, based at least in part on different physics characteristics associated with the different types of load assets; determining a combined reserve capacity forecast for aggregated DERs including both power assets that output power and the different types of load assets, based at least in part on an aggregation of the non-influenced power profile forecasts; controlling at least some of the plurality of DERs based at least in part on the combined reserve capacity forecast; outputting a bid to an energy trading market system for a reserve capacity request for the aggregated DERs as an individual asset that corresponds to the determined combined reserve capacity forecast; determining an updated combined reserve capacity forecast for the aggregated DERs; selecting a subset of the plurality of DERs that is less than a total number of the plurality of DERs to send respective dispatches in order to more closely meet the reserve capacity request compared to if the plurality of DERs are not influenced via an output of dispatches, wherein the dispatches correspond to either: a respective first control limit power forecast for a respective DER that contributes to increasing required reserve capacity by the aggregated DERs; or a respective second control limit power forecast for the respective DER that contributes to decreasing required reserve capacity by the aggregated DERs, based on whether the reserve capacity request is either greater than or less than the updated reserve capacity forecast; and controlling a power output and power consumption of the subset of DERs with output of the dispatches in order to meet the reserve capacity request.
13. A non-transitory computer readable medium encoded with executable instructions that when executed, cause at least one processor to carry out a method comprising: determining DER forecasts including non-influenced power profile forecasts for a plurality of DERs that include different types of load assets that consume power, for when the plurality of DERs are not influenced via dispatches from a system, based at least in part on different physics characteristics associated with the different types of load assets; determining a combined reserve capacity forecast for aggregated DERs including both power assets that output power and the different types of load assets, based at least in part on an aggregation of the non-influenced power profile forecasts; controlling at least some of the plurality of DERs based at least in part on the combined reserve capacity forecast; outputting a bid to an energy trading market system for a reserve capacity request for the aggregated DERs as an individual asset that corresponds to the determined combined reserve capacity forecast; determining an updated combined reserve capacity forecast for the aggregated DERs; selecting a subset of the plurality of DERs that is less than a total number of the plurality of DERs to send respective dispatches in order to more closely meet the reserve capacity request compared to if the plurality of DERs are not influenced via an output of dispatches, wherein the dispatches correspond to either: a respective first control limit power forecast for a respective DER that contributes to increasing required reserve capacity by the aggregated DERs; or a respective second control limit power forecast for the respective DER that contributes to decreasing required reserve capacity by the aggregated DERs, based on whether the reserve capacity request is either greater than or less than the updated reserve capacity forecast; and controlling a power output and power consumption of the subset of DERs with output of the dispatches in order to meet the reserve capacity request.