Holbæk Municipality is a local government situated 60 km west of Copenhagen, in Zealand. Holbæk Municipality covers 578 square kilometers, has 72,000 inhabitants, and employs 4,500 persons. This replicator will involve between 10,000 and 15,000 consumers. These are mostly private consumers, owners of electric cars and Holbæk Municipality’s own electric cars. It aims to establish approximately 150 charging stations in Holbæk Municipality area and all necessary activities will be carried out to have the electricity grid installed, started, and put in operation. The internal unit “Green Transition and Sustainability” of Holbæk Municipality will be responsible for the coordination of this REEFLEX site and will internally act in a close cooperation with citizens, utilities, and associations for this replicator. The Municipality will await the 4 lighthouse demos in the project, and which must be reconciled with the planned roll-out of charging stations in Holbæk Municipality.
Flexibility potential and main challenges
Given the massive installation of charging stations planned for the local grid, bottlenecks might arise, as the electricity grid may prove not to have sufficient power to run the charging stations. The electricity grid must be built within a limited timeframe; for this, the municipality has already established conversations with national energy suppliers, and these will carry on throughout the duration of the REEFLEX project to make sure these are ready when the works on this replicator will start. A standardised technical and business case will be replicable in a Danish and European context.
Replicator Case A – Holbæk Municipality
From 2022, all employees in Holbæk Municipality have access to 65 Megane E-Tech EVs, which are used in the daily work for inspections of roads, social inspection visits etc. and driving to and from meetings in Holbæk Municipality.
For the charging of the 68 Megane E-Tech EVs, charging boxes of the type “Zaptec Pro” (11/22 kW) are used, where the supplier is Zapp. Software and data collection are delivered from the supplier company Monta in an integrated solution.
In a typical month (October 2022), the 65 Megane E-Tech EVs drive a total of 99.850,5 km (average 1.536,2 km each) and are used for 2.573,5 hours (average use 39,6 hours each).
All 65 Megane E-Tech EVs must be ready for use and charging, when not in use. The cars are used in emergency situations. The largest collection of charging boxes is located at the address Kanalstræde 2, Holbæk 4300. There are 18 charging boxes and 15 Megane E-Tech EVs placed here. Stationary batteries are not installed at this location due to fire hazards and space considerations.
Replicator Case B – Holbæk Municipality
From 2024, all citizens in Holbæk Municipality will have access to a minimum of 158 charging boxes located in municipal parking lots and municipal buildings throughout the municipality. All citizens of Holbæk Municipality and visitors to the Municipality will be able to use all the charging boxes.
Charging boxes with varying power effect from a minimum of 11 kW to 150 kW will be used for charging. Charging box supplier, electricity supplier as well as software and data collection supplier will be announced Mid-2023.
All citizens in Holbæk Municipality will be able to use all charging boxes, when they are not being used by other citizens. However, there will be time restrictions on all charging boxes of different duration depending on where they are situated in Holbæk Municipality.
The storage boxes will be outside at parking lots and close to buildings owned by Holbæk Municipality and will not be connected directly to the grid. It will not be possible to connect them with other software or other parts of the grid such as e.g., an electricity network connected to buildings (houses/schools etc.).
TEMSA is one of the world’s leading bus and midibus manufacturer with offices across the world. For replication of REEFLEX solutions, TEMSA will provide their installations located in their Adana plant in Turkey. This R&D centre covers a total area of 9,500 m2 and counts with a 4,500 m2 office building used by over 175 employees daily. An installation of PV system with a total power of 860 kW is already scheduled by the company in parallel to the execution REEFLEX project.
Living Energy consists of a network of living-buildings, which are equipped with meters and sensors, connected to a cloud-based digital platform, in which a variety of building types, energy sources, load profiles and occupancy are collected from these living-buildings. Moreover, the living-buildings are monitored and with the user engagement it is possible to better understand how people use energy and their preferences in real-life.