Congestion management by DSO through operation of LFM to increase DER penetration

1. Description of the Use Case

1.1. Name of the Use Case

IDArea /Domain(s)/Zone(s)Name of the Use Case
1/ DER, Distribution /operation, market,UC-08

1.2. Version Management

Version No.DateName of author(s)ChangesApproval status
12020-11-15T00:00:00CheckWatt,CERTH,N/AFinal v1

1.3. Scope and Objectives of Use Case

ScopeDescribes the process in which the DSO is acting as a single buyer of flexibility when grid is in yellow state, according to the traffic light concept, sets up and manages the LFM to attract the necessary resources to the LFM platform enabling congestion management.
Objective(s)To provide flexibility to DSO through the Local Flexibiltiy Market according to DSO’s requirements. As a final result, foreseen congestion has been reduced or eliminated.
Related business case(s)None

1.4. Narrative of Use Case

Short description

DSO is a buyer of flexibility through the Local Flexibility Market, in order to manage a detected congestion

Complete description

This use case describes the process followed by the DSO when is acting as a flexibility buyer through LFM in order to manage congestion in a specific area. The DSO is the main actor involved and the initiator of this UC. The network is entered into the yellow state, therefore LFM is engaged, in order to activate required flexibility for solving the congestion. Important points are the following: 1. Grid modelling and identification of congestion management needs. Ideally the DSO acts as a single buyer in the LFM where necessary DER flexibility is purchased through automated Local Flexibility Market transactions. 2. DER mapping and recruitment through aggregator. 3. On-point remuneration model (tilt towards market-based rather than fixed rate) to assure attraction in the right spots in the grid.

1.5. Key Performance Indicatiors (KPI)

IDNameDescriptionReference to mentioned use case objectives
1Successful procurement of prosumer flexibility by the DSOSufficient amount of flexibility has been provided to DSONone,

1.6. Use case conditions


1.7. Further information to the use case for classification/mapping

Relation to other use cases
Level of depth
Mandatory (High priority)
Generic, regional or national relation
Nature of the use cases
Further keywords for classification

1.8. General remarks

General remarks

2. Diagrams of Use Case

UC-08_sequence_diagram UC-08_activity_diagram

3. Technical Details

3.1. Actors

Actor NameActor TypeActor DescriptionFurther information specific to this Use Case
DSOSystem operatorNone
AggregatorResource aggregatorNone
Market OperatorMarket OperatorNone

3.2. References

No.References TypeReferenceStatusImpact on Use CaseOrganistaor / OrganisationLink

4. Step by Step Analysis of Use Case

4.1. Overview of Scenarios

No.Scenario NameScenario DescriptionPrimary ActorTriggering EventPre-ConditionPost-Condition


4.2. Steps – Scenarios

5. Information Exchanged

Information exchanged IDName of InformationDescription of Information ExchangedRequirement

6. Requirements (optional)

Category IdentifierNameDescriptionmRID
Req_IDReq_Name‘Congestion management by DSO through operation of LFM to increase DER penetration’

7. Common Terms and Definitions

8. Custom Information (optional)

KeyValueRefers to Section