: Public <<Narrative>> Narrative
Created: 06/09/2018 08:42:02
Modified: 06/09/2018 08:42:02
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Notes: This system use cases describes the necessary steps in the process of defining historical load and generation profiles with a 15 minute resolution as well as the necessary steps in the definition of the peak demand growth prognosis at a feeder level. This information is exchanged between the TSO and DSO inside an observability area. The exchange of information is usually one-directional meaning that only the DSO sends the information to the TSO.<br/><br/>The DSO as part of its regulatory activity already has to obtain metering information about its customers. These are now collected with different time resolutions ranging from 15 minutes to 24 hours and more. The DSO collects metering information from both producers as well as different types of consumer (i.e. industrial, residential, etc.). It is required for this use case that the DSO establishes metering information with a 15 minute resolution for all customers in the future.<br/><br/>For this system use case it is assumed that the observability area between the DSO and the TSO is already defined. In that case the DSO has to aggregate metering information to the highest level of detail specified in the observability area (e.g. to the level of feeders if feeders are defined in the observability area. If feeders are not defined in the observability area then to the next level of detail, which is usually power transformers).<br/><br/>Aggregation of metering information with a 15 minute resolution is done by generation technology type and consumption type. Meaning all metering information corresponding to a particular feeder or transformer and corresponding to only one type of consumption or generation has to be aggregated together. The end result gives us aggregated metering information with a 15 minute resolution corresponding to a particular feeder or power transformer for residential consumption, industrial consumption, PV generation, hydro generation, CHP generation, wind generation, etc...<br/><br/>This information is then exchanged with the TSO as the TSO need this information for planning studies.<br/><br/>It should be noted that this exchange takes place every year for the previous year. For example, this would mean that the DSO sends these aggregated measurement to the TSO at the beginning of 2018 for the year 2017.<br/><br/>Additionally the DSO also sends forecasted peak demand growth information to the TSO, also aggregated to the highest level of detail defined in the observability area. <br/><br/>The DSO usually performs an analysis of predicted peak demand growth at a microlocation level (residential consumption, industrial consumption, PV generation, hydro generation, CHP generation, wind generation) every couple of years. This can vary from DSO to DSO. The results are usually in a relative form, i.e. 3% predicted peak demand growth per year for a particular microlocation. This information should then be aggregated to the highest level of detail defined in the observability area (e.g. feeder level, power transformer level). <br/><br/>This information should also be exchange on a yearly level together with the load and generation profiles. The information should be exchanged for the current and following year. For example, at the beginning of 2018 the predicted peak demand growth for 2018 and 2019.<br/>
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Notes: TSO requires the prognosis of peak demand for the upcoming years from the DSO as well as certain load profiles of demand and generation for the previous year(s).<br/>
Object Type Connection Direction Notes
«SUC» Definition of historical profiles and peak consumption evolution for planning purposes SystemUseCase Dependency From