Our Projects
Project Brief
Client: Essential Energy
Project Value: $2M
Engagement Period: 2025 - Present
Essential Energy is actively driving the expansion of electric vehicle (EV) charging infrastructure across regional New South Wales through a series of innovative trials and strategic collaborations. The electricity distributor is focusing on leveraging existing network assets to provide cost-effective and accessible charging solutions, supporting the NSW Government's EV Strategy.
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Involvement
Croí has engaged to provide EV Charging Detail Design for six depots of Essential Energy
(Inverell, Moree, Goondiwindi, Texas, Warialda, Walgett).
The project delivery has been considered to enable a gradual rollout of infrastructure as
demand on EV charging is required.
Croí’s Scope of Work
- Review of proposed EV charging stations
- Safety considerations
- Detailed consideration into existing switchboard, cabling, transformer compatibility
- Alternative methods of supply
- Cost saving solutions
- Staging of rollout of vehicle chargers
- Future capabilities
- Future recommendations
- Compliance to Standards
Croí’s Deliverables
- Single Line Diagrams (SLDs) for MSB & EV DB
- Maximum demand calculations
- Cable sizing and voltage drop assessments
- Protection and earthing schemes
- Site geometry and charger bay layout
- MSB, EV DB and charger location plans
- Bollard placement and trench section drawings
- Typical EV charger mounting details
- Cable and conduit schedules
- Charger schedule with reference IDs, load data, and locations
- Design Report
- Cost estimate
- Post-design support allowance
Key Achievements
The primary objective of this project is to support Essential Energy’s transition to a low-emissions operational fleet by enabling onsite EV charging capabilities. The design incorporates AC fast chargers, with provisions for future scalability, including integration with solar PV.
Key Interfaces
- Essential Energy
- Australian Switchgear Manufacturer / Supplier
Key Benefits
Key design considerations include:
- Integration with existing site utilities and infrastructure
- Assessment of transformer capacity and load management
- Compliance with safety standards and operational efficiency requirements
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