Earthing Studies,
Lightning Protection & EMFI Analysis

iEngineering Australia provides practical and standards-based earthing, lightning protection and electrical safety studies for substations, oil and gas facilities, utility assets and critical infrastructure.

Our services support safer dissipation of fault current, controlled touch and step voltages, effective lightning protection, improved compliance, and long-term asset reliability.

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Focus
Safety & Compliance
Coverage
Design, Testing & Assessment
Earthing studies and lightning protection

Complete Earthing and Protection Studies

Design review, field testing, compliance assessment and technical recommendations for safer and more reliable electrical infrastructure.

What we provide

Comprehensive Earthing, Lightning Protection & EMFI Services

We deliver engineering studies and field-based assessments to improve earthing performance, identify non-compliant points, manage lightning risk and support safer operation of critical electrical systems.

Our work covers earth grid resistance testing, earthing design, lightning protection studies, safety assessment, standards compliance review and engineering recommendations for both new and existing facilities.

  • Improve electrical safety
  • Identify non-compliant earthing points
  • Control touch and step voltages
  • Reduce lightning-related risks
  • Support long-term asset reliability
Earthing Studies
Lightning Protection
EMFI Analysis
Compliance Review

Our expertise

Earthing, Lightning Protection & EMFI Studies

We provide a broad range of services covering soil analysis, earth grid design, earthing verification, lightning protection, fault current distribution, EMI mitigation and training.

Soil Resistivity Measurement and Analysis

Soil electrical characteristics are the foundation of an effective earthing system. We assess site conditions using proven measurement techniques and accurate soil models.

Methods / Standards

Wenner Method, Schlumberger Method, IEEE 81, AS/NZS practices

Outputs

  • Measured soil resistivity data
  • Uniform, multilayer or multizone soil models
  • Recommendations for optimized grounding design

Fault Current Distribution Analysis

We analyse how fault current flows through the earthing network and surrounding structures to identify high-current zones and improve safety performance.

Focus

Fault pathways, current split, equipment exposure and personnel safety

Outputs

  • Fault current distribution maps
  • Identification of critical high-current areas
  • Design improvement recommendations

New Earth Grid Design

We design earth grids tailored to site conditions, fault levels, soil properties and operational requirements for safe energy dissipation.

Standards

AS/NZS 3000 (where applicable), AS 2067, IEC 61936-1, IEEE 80

Outputs

  • Earth grid layouts and conductor sizing
  • Grid resistance calculations
  • Safe design recommendations for target performance

Existing Earthing System Verification & Modification

We assess existing earthing systems using advanced modelling and site data to identify deficiencies and propose upgrades for compliance and resilience.

Tools

Advanced modelling platforms including XGSLab

Outputs

  • Performance verification reports
  • Compliance gap analysis
  • Upgrade and modification recommendations

EPR, Touch Voltage & Step Voltage Calculations

We perform detailed safety calculations to evaluate voltage gradients during fault conditions and reduce the risk of dangerous touch and step voltages.

Standards

AS 2067, IEEE 80, AS/NZS 3000

Outputs

  • Earth Potential Rise calculations
  • Touch and step voltage assessment
  • Mitigation measures for safer installations

Earth Grid Testing

Field testing verifies that the installed earthing system performs as intended and continues to meet project and standards requirements.

Methods

Fall of Potential Method, Current Injection Test Method

Outputs

  • Measured earth grid resistance
  • Validation of installed system performance
  • Testing and compliance reports

Lightning Protection System Design

We design lightning protection systems to reduce the risk of direct strikes, side flashes and surge-related damage to structures and equipment.

Standards

AS 1768, IEC 62305, NFPA 780 (if applicable)

Outputs

  • Air terminal and down conductor layouts
  • Earthing and bonding arrangements
  • Lightning risk mitigation recommendations

Electromagnetic Interference (EMI / EMFI) Mitigation

We develop mitigation strategies to protect sensitive systems from unwanted electromagnetic interference in industrial and utility environments.

Standards

AS/NZS IEC 61000 series and relevant EMC practices

Outputs

  • Shielding and grounding recommendations
  • Filtering strategies
  • Improved EMC performance for sensitive equipment

Cathodic Protection Design

We provide cathodic protection solutions to help prevent corrosion in pipelines, tanks and other buried or exposed metal structures.

Standards

ISO 15589, NACE standards

Outputs

  • Sacrificial anode system concepts
  • Impressed current system recommendations
  • Long-term corrosion protection strategies

Training and Workshops

We help engineers, technicians and management teams strengthen their understanding of earthing, lightning protection and EMI mitigation through practical training sessions.

Focus Areas

Best practices, standards awareness, testing knowledge and safe design principles

Outputs

  • Tailored workshops for project teams
  • Technical knowledge transfer
  • Practical guidance for real-world applications

Past Project Experience

Earthing, Lightning Protection & Related Projects

2025-26

33kV / 2.5MVA Substation Earthing and Lightning Protection Study

Client Location: 9 Egret St, Kooragang NSW 2304, Australia

Completed detailed earthing and lightning protection study in a 33kV / 2.5MVA substation in accordance with AS/NZS 3000 and IEEE 80, ensuring safe dissipation of fault currents, controlled step and touch voltages, and overall system compliance.

2024-25

Kutubu Refinery Layout Changes & Ticket Cost – Oil Search Limited PNG Project

Client Location: PNG

Delivered earth grid resistance testing and engineering assessment across multiple oil and gas facilities, including testing of earthing systems using fall-of-potential and clamp-on methods. Assessed system performance against applicable standards, identified high-resistance and non-compliant earthing points, and provided engineering recommendations to enhance electrical safety, ensure compliance, and improve long-term asset reliability under challenging site conditions.

2023-24

Lightning Protection System - Oura Reservoir Infrastructure

Client Location: NSW, Australia

The Oura Reservoir Project involved conducting an earthing design and lightning protection study for the Pump Station and Dosing Building. The objective was to ensure the safety and reliability of the electrical infrastructure by evaluating potential lightning risks and implementing effective protection measures.

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Why these studies are crucial

Why Earthing & Lightning Studies Matter

Effective earthing and lightning protection are critical for electrical safety, asset protection and compliance. Poor earthing performance or inadequate lightning protection can increase risk to people, equipment and ongoing operations.

With the right analysis, testing and engineering recommendations, facilities can reduce non-compliance, improve resilience and strengthen long-term system reliability.

  1. 1

    Improve Personnel Safety

    Reduce risks associated with dangerous touch and step voltages under fault conditions.

  2. 2

    Enhance Compliance

    Assess earthing and lightning protection performance against applicable standards and project requirements.

  3. 3

    Protect Critical Assets

    Strengthen protection of substations, process facilities, buildings and infrastructure from electrical fault and lightning-related risks.

  4. 4

    Identify Hidden Weaknesses

    Detect high-resistance and non-compliant earthing points before they become operational or safety issues.

  5. 5

    Support Long-Term Reliability

    Improve maintainability and reliability of electrical infrastructure under challenging site conditions.

Industries we serve

Applications Across Diverse Industries

Our services support substations, oil and gas facilities, water infrastructure, process plants, utilities and other critical installations that require safe and compliant grounding and protection performance.

Oil & Gas

Earthing testing and engineering assessment for complex facilities under demanding site conditions.

Substations

Detailed earthing and lightning protection studies for safe fault current dissipation and compliance.

Water Infrastructure

Earthing and lightning protection studies for pump stations, dosing buildings and reservoir infrastructure.

Industrial Facilities

Electrical safety improvements through earthing assessment, protection review and corrective recommendations.

About us

About us – where vision meets execution!

iEngineering Australia is a trusted engineering partner delivering advanced electrical and energy solutions across Australia, Fiji and India. Our team supports utilities, industrial facilities, renewable projects and infrastructure developments with practical design, technical studies, compliance support and field-focused engineering services.

Our Mission

Our mission is to improve electrical safety, system reliability and engineering quality by delivering practical, standards-aligned solutions that create long-term value for our clients and stakeholders.

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Our Vision

To be a trusted engineering partner across Australia, Fiji, India and the Pacific, delivering resilient, future-ready and reliable infrastructure solutions for utilities, industry and the built environment.

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Our Values

We work with integrity, accountability and technical excellence, with a strong focus on safety, clear communication, quality delivery and long-term client partnerships.

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Our Journey

Founded in 2013, iEngineering Australia has grown into a multidisciplinary engineering business supporting electrical, energy and infrastructure projects with design, studies, testing, consulting and implementation support. Our work combines technical depth with practical delivery experience to help clients solve real project and operational challenges.

Where We Operate

iEngineering Australia operates across Australia, Fiji and India, delivering reliable engineering and technology solutions to local businesses, utilities, contractors, developers and large multinational organizations.

India – Pune

Phone: +91 9168627258

Email: shila@iengaust.com.au

Navale IT Zone, Office No. 501, 5th Floor, A-Wing, Near Navale Bridge, Mumbai-Bangalore Highway, Narhe, Pune – 411041.

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