Fleet electrification is not a procurement exercise — it is a grid infrastructure project. A 50-vehicle depot transitioning to battery-electric trucks can impose 2–5 MW of new simultaneous load on a site that was originally sized for 400 kW of general plant. Without rigorous load analysis, demand management strategy, and network augmentation planning, the charger hardware you install will be throttled, tripped, or penalised from day one. Apex Grid starts where the hardware vendors stop: at the grid connection. We treat EV charging infrastructure as a power systems engineering problem, not a product procurement decision, because that is exactly what it is.
Load Management and Grid Connection Engineering
We conduct a detailed load flow study across your existing NMI or proposed grid connection point before specifying any charging equipment. This determines your available headroom, the augmentation required from your DNSP, and whether a behind-the-meter battery storage system can shave peak demand to reduce network charges and defer or eliminate costly grid upgrades. In many cases, a correctly sized BESS integrated with smart charging software can reduce a fleet depot's peak demand charge by 40–60%, compressing the ROI on the entire charging infrastructure investment. We model each scenario with and without storage so your capital committee has a clear cost basis for both options before any commitment is made.
Network connection applications are a discipline in their own right. Apex Grid prepares complete technical data packs for DNSP submission — including load forecasts, protection relay coordination studies, power quality assessments, and proposed metering configurations — reducing application cycle times and avoiding the back-and-forth that delays projects by months. Where network augmentation is required, we manage the works agreement and construction program on your behalf, maintaining your project critical path against the DNSP's own lead times.
- Load flow analysis and NMI capacity assessment prior to equipment specification
- DNSP application management, technical data pack preparation, and augmentation scoping
- AC destination charging (7–22 kW) and DC fast charging (50–350 kW) system design and installation
- OCPP 2.0.1 compliant charge point management system (CPMS) integration with fleet telematics
- Dynamic load balancing and smart scheduling software configuration — including off-peak charging lock-out and TOU tariff optimisation
- Behind-the-meter BESS integration for peak demand management and renewable firming
- AS/NZS 3000 compliant installation, switchboard works, and electrical protection coordination
OCPP Architecture and Future-Proof Protocol Design
Every charging network Apex Grid commissions is built on Open Charge Point Protocol 2.0.1. This is not a preference — it is an engineering requirement. Proprietary charging networks lock fleet operators into single-vendor firmware, pricing structures, and upgrade paths. OCPP 2.0.1 decouples your charge point hardware from your software layer, allowing you to switch CPMS vendors, integrate roaming agreements, and adopt ISO 15118 Plug & Charge as the technology matures, all without ripping out physical infrastructure. We do not sell hardware lock-in. We build open, maintainable, and auditable systems that remain under your control for the full asset life.
Our network operations centre provides 24/7 real-time monitoring of every charge point across your network via cloud-connected telemetry. Fault detection, remote reset, firmware update management, and energy reporting are all handled from a single pane of glass. Fleet managers receive daily utilisation reports broken down by vehicle and charge event. Finance teams receive monthly energy cost and carbon abatement summaries structured for NGER reporting and voluntary ESG disclosure. Every kilowatt-hour is metered, attributed, and accounted for — from the grid connection point to the vehicle's charge record.
From Pilot Site to National Rollout
Apex Grid's project delivery framework supports single-site pilots through to national multi-depot rollouts under a single engineering contract. We carry all relevant contractor licences across Australian states and territories, manage all DNSP and local authority approvals, and deliver commissioning documentation that satisfies both AS/NZS electrical standards and your internal capital asset register requirements. Typical fleet depot projects from load assessment to energisation run 14–20 weeks, subject to DNSP augmentation lead times. We provide programme management transparency at every stage — not a status update once a fortnight, but a live project register your team can access at any time.
Charging infrastructure costs do not end at installation. Apex Grid offers multi-year maintenance and monitoring contracts that cover preventive servicing, firmware management, OCPP compliance updates, and corrective maintenance response under defined SLA terms. These contracts are structured to protect your infrastructure warranty, maintain CPMS vendor certification, and ensure your charging network continues to perform against fleet availability targets as vehicle numbers scale over time. The infrastructure you install today must accommodate the vehicles you will be operating in seven years.