Across Continents Electric vehicle Services - ACES

Bornholm Grid Data

DTU ElektroCenter for Electric power and Energy

Degradation Measurements

Driving & Charging Data Economic Results

Field Tests on Bornholm

System-wide services – Frequency controlRegulation of unidirectional charging

-Capacity payment: €52Bidirectional V2G 15 hours per day

-Capacity payment: €1100-Throughput: 12 MWh-Energy losses: €200

Local Services – DSO flexibility-Congestion management €10

Electricity market savings from-Smart charging: €43-V2G arbitrage: €52

Andreas Thingvad, Lisa Calearo & Mattia Marinelli

[1] L. Calearo, A. Thingvad, H. Ipsen, and M. Marinelli, “Economic value and user remuneration for EV based distribution grid services,” IEEE PES Innovative Smart Grid Technologies Europe, IEEE, 2019[2] A. Gonzalez-Garrido, A. Thingvad, H. Gaztanaga, and M. Marinelli “Full-scale electric vehicles penetration in the danish island of Bornholm—optimal scheduling and battery degradation under driving constraints,” Journal of Energy Storage[3] L. Calearo, A. Thingvad, K. Suzuki, and M. Marinelli, “Grid loading due to EV charging profiles based on pseudo-real driving pattern and user behaviour,” IEEE Transactions on Transportation Electrification, 2019[4] A. Thingvad, C. Ziras, and M. Marinelli, “Economic value of electric vehicle reserve provision in the nordic countries under driving requirements and charger losses,” Journal of Energy Storage, 2019.[5] A. Thingvad and M. Marinelli, “Influence of V2G frequency services and driving on electric vehicles battery degradation in the nordic countries,” in EVS31, 2018.[6] L. Calearo, A. Thingvad, and M. Marinelli, “Modeling of battery electric vehicles for degradation studies,” 54th International Universities Power Engineering Conference. IEEE, 2019.

Frequency Regulation

www.aces-bornholm.eu {athing,lica,matm}elektro.dtu.dk ACES Project (EUDP grant nr: EUDP17-I-12499)

Modelling concept [5,6]

Capacity loss from daily driving and Primary Frequency Control compared with just being parked (calendar ageing)

Low Voltage grid in Rønne

Loading of transformer in Rønne from EVs [1]

Probability of the owner charging their EV depends on the SOC and how far they are going to drive the following day [2]

SOC evolution during 365 nights [4]

Outage of Cable to Sweden results in a 55 MW islanded system

Unidirectional frequency

regulation with Tesla model S

Percentage of EVs Charging during the day and total power for 3.7 and 11 kW charging of 120 EVs in Rønne [3]

3.7 kW11 kW

3.7 kW11 kW

Smart charger installed at hotel Griffen in Rønne

Measured power vs. Frequency on Bornholm during continuous

frequency regulation