MerriiBek Council
EVSE Fleet Modelling, Detailed design
Large depot site: EV Fleet modelling, electrical infrastructure assessment, detailed design and grid upgrade management
Key Achievements:
- Fleet modelling of EV charging electrical profiles based on milage and usage patterns for 100 heavy vehicles and over 30 light vehicles
- EV load modelling with load management system., to optimise EV infrastructure and peak demand whilst ensuring the on-site charging requirements for all vehicles
- 3 stage EVSE implementation recommended for full electrician of the fleet over 5 years, commensurate with EV uptake
- Capital cost estimates for each stage
- Concept and 'for tender' detailed design of charging infrastructure including MSB upgrades, pillar boards, trenching optimisation and chargers
- Management of required grid upgrades
Impact
- 3 stage, 5 year costed strategy, design and plan to meet future EV charging infrastructure at the site for over 130 vehicles
- Optimised EV charging modelled to minimiise required peak demand for EVSE and required grid capacities
Project Scope
Detailed 5 year strategy project for ESVE at the depot to ensure the site can meet the demand of future electric vehicles including 100 heavy vehicles (cars, buses, tipper trucks, garbage trucks, mowers etc), up to 30 light vehicles and various mowers/small plant. The site is electrically constrained and will require large scale electrical loads to meet future demand.
The project includes ·
- Detailed review and assessment of the existing electrical infrastructure to determine EVSE peak demand within the constraints of electrical within the electrically constrained site
- Modelling of EV charging electrical profiles for the whole fleet, including 100+heavy vehicles, 30 passenger vehicle and multiple small plant
- Modelling of EVSE load management to reduce electrical infrastructure upgrades, whilst ensuring the site can meet the charging requirements for vehicles
- Consultation with the Electrical Distributor and application management for a grid supply upgrades and costing
- Concept electrical infrastructure design and new EV switchboards for future EV demand
- ESVE infrastructure upgrade cost estimates and supply and install of charging equipment
- 5 year costed strategy, design and plan to meet future EV charging infrastructure at the site
- Detailed for tender Concept Design of electrical infrastructure
Project Details
- Large Council depot with over 130 vehicles parked over night, with 5-year full electrification strategy
- Garbage trucks; small buses, tipper trucks, street sweepers, graffiti trucks and passenger vehicles/utes
- Limited electrical incoming supply; and aging electrical infrastructure
- Large extensive parking areas Large grid supply upgrades required to meet future demand, even with optimised charging regimes and load management
- 3 stage implmentation approach adopted commensurate with projected EV uptake
Project Challenges
- Large extensive site; with extremely long cable runs for electrical design
- Limited and aging electrical infrastructure
- No flexibility on parking locations for heavy fleet, making electrical design optimisation difficult increasing capital costs
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