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Renewables

Detailed Design Package Services

Comprehensive, code-compliant design packages built for reliable project delivery

BESS Solutions

At Finulent Solutions, we provide comprehensive solar design and approval documentation support to ensure projects meet Australian & New Zealand regulatory requirements and achieve smooth and efficient approvals. Our design packages are developed in accordance with AU/NZ electrical, structural, and network connection standards, supporting residential, commercial, and utility-scale solar installations.

5M+

Proposal Drawings delivered

200K+

Design Packages completed

500+

PV Design Engineers

70%

Lower Costs

Detailed Design Package Types Supported

Building detailed design: Confirms structural load-bearing and construction safety.
Electrical detailed design: Compliance with wiring, grounding, and requirements for the design package to install solar panels according to AS/NZS 3000 & 5033, and relevant grid connection and system protection guidelines.
Zoning detailed design: Guarantees compliance with local land-use laws, including city and local council regulations.

Residential detailed solar design packages

We deliver residential solar PV designs and detailed design documentation aligned with DNSP guidelines, and Clean Energy Council (CEC) requirements. We ensure compliance with: AS/NZS 5033, AS/NZS 4777, AS/NZS 3000, and AS/NZS 1170.

Plot Plan and Array Layout
Structural Layout and Elevation Diagrams

Code Compliant Electrical Drawings

  • Single-Line Diagram (SLD)
  • Three-Line Diagram
Technical Equipment Spec Sheets
System Labels & Safety Signage
On-Grid and Off-Grid Approved Designs

Commercial detailed solar design packages

We deliver end-to-end solar PV design and engineering across residential, commercial, and industrial projects in Australia, providing compliant electrical/structural documentation aligned with Australian & New Zealand standards, CEC guidelines, and DNSP requirements.

System Sizing & Production Estimates
Site Plans, Array Layouts & Racking Specifications
PVSyst Reports
Structural Engineering Support
  • Dead Load Analysis
  • Attachment & Anchoring Details
  • Structural Review
Electrical Engineering & Documentation
  • Electrical Plans & Equipment Layouts
  • Single-Line & 3-Line Diagrams
Electrical Calculations
  • Wire Sizing
  • Conduit Sizing
  • Voltage Drop
  • String Sizing & Calculations
Optimal inverter placement and load management
Built Environment & Spaces
Multi-residential (strata) Solar Solutions

We provide tailored solar design solutions for multi-residential properties, addressing embedded networks, shared energy systems & infrastructure, tenant-specific energy allocation, and centralized/sub-metering strategies.

Infrastructure & Utilities
Community Energy Projects

We offer specialized design support for community energy projects, delivering infrastructure layouts that align with collective energy goals, utility interconnection standards, and state-specific regulatory frameworks. We engineer systems optimized for shared energy systems & infrastructure, embedded networks, flexible billing models, and long-term performance ideal for housing cooperatives, non-profits, or community energy programs.

Utility-Scale Solar Solutions

We provide specialised engineering and design support for utility-scale solar PV projects across Australia, delivering compliant, grid-ready solutions for developers, EPCs, IPPs, and asset owners.

Site Planning, Plot Layouts and Shading Analysis
System Sizing & Production Modelling
Electrical Design & Integration
Medium Voltage (MV) Electrical Connections
Single-Line & 3-Line Diagrams
High Voltage (HV) Electrical Connections (>36kV) System Design
Cable Size Design for MV & HV Systems
Trenching Layout Design
Lightning Protection System Design
PPC and SCADA Single Line Diagrams
Mounting System and Foundation
Pile Coordination
Drainage System Design
Cut and Fill Volume Calculation
Slope Analysis for Array Tables
Soil Erosion and Control Plan

The Finulent Advantage

Code-Compliant Designs

AS/NZS 5033, 4777, 3000, 1170, DNSP & CEC compliance across all projects

End-to-End Documentation

Complete electrical, structural, and site design drawings

Multi-Sector Expertise

Residential, commercial, and utility-scale solar PV projects

High-Volume Delivery

500+ PV engineers delivering scalable solar design packages

Customised Solar PV Packages that save time, reduce costs, and ensure full compliance with Australian & New Zealand standards.
Frequently Asked Questions
What is included in Finulent’s solar detailed design package for Australian projects?
Our design packages include site plans, array layouts, structural drawings, electrical diagrams such as SLDs and three-line diagrams, equipment specifications, system labels, electrical calculations, and documentation required for project approvals.
Can you work with our preferred solar modules, inverters, and mounting systems?
Absolutely. We can develop designs using your preferred equipment specifications and ensure compatibility across electrical and structural layouts.
Do you provide design packages for residential, commercial, and utility-scale solar projects?
Yes. We develop detailed solar design packages for residential rooftop systems, commercial and industrial installations, and utility-scale solar farms across Australia.
How do you support the approval process of solar projects in Australia?
Our design packages are prepared to support council approvals, DNSP submissions, and regulatory compliance, helping developers and EPC contractors streamline the approval process.