Equagen Engineers PLLC

Engineering by Ingenuity

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About the firm

Equagen Engineers PLLC is a multidisciplinary engineering and manufacturing practice focused on the power and energy sectors. Headquartered in Raleigh, North Carolina, it delivers comprehensive engineering, consulting, and manufacturing services for electrical transmission, distribution, substation, renewable energy, and power systems. It designs and manufactures custom control panels-including protection, PLC, and gas-insulated switchgear controls-for utility and industrial applications.

Team
Midsize
Firm type
Power & Utility Engineering · Electrical Engineering · Automation & Controls · Design-Build

Credentials

ISO 9001:2015

Capabilities

Substation Engineering

Service website

Planning, detailed engineering, and commissioning of electrical substations, including electrical, civil, structural, seismic, and protection and control systems.

  • Feasibility Studies

    Initial planning and feasibility assessments for substation developments.

  • Site Selection and Evaluation

    Evaluating and selecting optimal locations for electrical substations.

  • Detailed Design and Engineering

    Developing comprehensive engineering plans covering electrical, civil, structural, seismic, and protection systems.

  • Equipment Specification

    Selecting and specifying transformers, circuit breakers, switchgear, and control systems.

  • Seismic Qualification

    Ensuring substation equipment meets IEEE 693 requirements based on seismic hazard mapping.

  • Grid Integration and Studies

    Ensuring substations integrate seamlessly while managing voltage levels, fault protection, and grid stability.

  • Substation Commissioning

    Testing and commissioning substations to ensure safe and efficient operation before energization.

  • Safety Compliance

    Ensuring installations meet safety standards to protect personnel in and around facilities.

Transmission Engineering

Service website

Comprehensive overhead and underground transmission line planning, structural analysis, and electrical design packages up to 765 kV.

  • Overhead and Underground Line Design

    Complete electrical, civil, environmental, and protection packages for new transmission assets.

  • High Voltage Line Design

    Engineering services for high-voltage systems up to 765 kV.

  • Re-rating and Upgrading Analysis

    Analyzing existing structural and electrical systems for performance upgrades.

  • Fiber Optic Cable Design

    Integrating fiber optic communication cabling into utility infrastructure.

  • Structural Design and Analysis

    Detailed analysis and design of wood poles, steel poles, and lattice towers.

  • Foundation Design and Analysis

    Geotechnical and foundation engineering for utility poles and transmission towers.

  • Tower Spotting

    Optimizing structure placements along transmission corridors using advanced engineering software.

  • Interconnection Requests and Impact Studies

    Conducting required grid impact studies and managing system interconnection processes.

Distribution Engineering

Service website

End-to-end design, reliability planning, and asset management for overhead and underground utility distribution infrastructure.

  • Distribution Overhead and Underground Design

    Complete engineering packages for new installations, upgrades, and decommissioning.

  • Pole Loading and Structural Analysis

    Analyzing utility poles to evaluate physical load limits and compliance.

  • DOT Highway Project Design

    Designing utility relocations and modifications required for department of transportation road projects.

  • Line Relocation and Reconductoring

    Rerouting and upgrading electrical distribution conductors for increased capacity and reliability.

  • Feeder Hardening

    Developing storm and fire mitigation designs to protect distribution corridors.

  • System Studies and Reliability Planning

    Reviewing system capacity, planning upgrades, and completing electrical modeling.

  • Joint Use Management

    Managing utility attachments, pole audits, inventories, and transfer programs.

  • GIS Mapping and Consulting

    Developing geospatial records, mapping distribution networks, and validating physical assets.

  • Storm Restoration Services

    Providing storm damage assessment, wires-down standby, and recovery engineering support.

Renewable Energy

Service website

Engineering, site assessment, regulatory permitting, and grid integration for utility-scale solar, wind, energy storage, and biomass projects.

  • Renewable Feasibility Studies

    Evaluating resource availability, economic feasibility, and regulatory pathways.

  • Site Assessment and Selection

    Identifying and validating optimal parcels for solar, wind, and storage developments.

  • Detailed Design and Engineering

    Generating construction-grade electrical, civil, structural, and protection designs.

  • Environmental Impact Assessment

    Assessing and mitigating potential environmental impacts to meet sustainability targets.

  • Permitting and Regulatory Compliance

    Securing local, state, and federal permits needed for clean energy developments.

  • Grid Integration

    Aligning renewable assets with utility networks, including power quality and safety analysis.

  • Utility-Scale Energy Storage

    Designing and integrating commercial battery energy storage systems.

Construction Management

Service website

Technical oversight and quality assurance across pre-construction, constructability reviews, and field inspections.

  • Constructability Reviews

    Analyzing specifications and drawing sets to prevent change orders and resolve design discrepancies.

  • Development Compliance Inspections

    Executing utility testing, private plan reviews, erosion control reviews, and agency closeouts.

  • Permit Compliance Inspections

    Providing field inspections on behalf of local agencies to verify regulatory compliance.

  • Pre-Construction Services

    Developing meeting agendas, coordinating staging logistics, and conducting contractor walkthroughs.

Control Panel Manufacturing

Service website

Custom design, fabrication, assembly, and testing of electrical control panels from 69 kV up to 800 kV utility standards.

  • Protection and Control Panels

    Custom protection, metering, and control panel systems.

  • GIS Local Control Cabinets

    Control enclosures specifically for gas-insulated switchgear.

  • PLC Control Panels

    Custom-designed programmable logic controller panels for automated industrial tasks.

  • Motor Control Centers

    Low and medium-voltage assemblies to manage electric motors safely.

  • Power Distribution Panels

    Reliable AC and DC panels for primary power distribution.

  • Automated Transfer Switches

    Power systems designed to automatically shift loads to emergency backups.

Industries

Power Transmission & Distribution · Renewable Energy · Electric Utilities · Oil & Gas · Industrial · Solar · Wind · Energy Storage · Manufacturing

Projects

No projects listed yet.