Solar

Engineering

Segment

Powering Progress with Precision

At Varistor Engineering Consultancy, our Solar Engineering Segment is dedicated to delivering end-to-end engineering, design, and consultancy services for solar power projects of every scale.

From feasibility to final commissioning, Varistor ensures each design is technically sound, economically viable, and compliant with national and international standards.

Our designs are developed with a deep understanding of energy yield, grid behavior, safety norms, and long-term performance — helping clients achieve higher efficiency, faster approvals, and seamless execution.

Our Capabilities

Our engineering expertise spans the entire lifecycle of solar projects

Site Assessment & Feasibility Studies

Irradiation analysis, shadow assessment, and energy yield simulations using PVsyst and advanced modeling tools

Electrical & Civil System Design

Complete LV and HV system design, earthing, lightning, structure, and foundation engineering as per IEC and IS standards.

Load Flow & Protection Coordination Studies

Performed through ETAP and relevant software to ensure safety, reliability, and grid compliance.

Grid Integration Design

End-to-end evacuation system layouts, interconnection schemes, and substation interface design

Documentation & Deliverables

BOQs, tender drawings, GTPs, and compliance reports suitable for EPC execution and authority approvals.

Every design passes through multiple validation levels — ensuring precision, compliance, and constructability.

Sub-Segments We Serve

Utility-Scale Solar Power Plants

Varistor provides complete design engineering for ground-mounted projects ranging from 10 MW to 500 MW and beyond.

Our team ensures every aspect — from DC string layout to 33kV/132kV evacuation — is optimized for land use, cable loss, and long-term reliability.

  • Terrain contouring and land optimization

  • SLD and electrical equipment sizing

  • Civil and structural design for module mounting structures

  • SCADA and control system interface

KUSUM Scheme Solar Plants

We provide design and technical consultancy for solar projects under the MNRE KUSUM Scheme, empowering distributed rural generation.

Our designs help developers and farmers deploy robust, cost-effective, and grid-compatible solar systems.

  • DC & AC system design as per MNRE/KUSUM specifications

  • Agricultural pump integration

  • Off-grid/hybrid system configurations for standalone operation

  • Technical documentation for MNRE and DISCOM compliance

Industrial Rooftop Solar Plants

For manufacturing units and industrial estates, we design high-performance rooftop solar systems tailored to structural conditions, load distribution, and safety compliance.

  • Roof load analysis and wind speed study

  • Electrical routing and panel coordination with plant infrastructure

  • Safety design including fire & lightning protection systems

  • Integration with existing electrical panels and DG synchronization

Commercial Solar Plants

Our commercial solar designs combine energy efficiency with aesthetics and compliance, enabling sustainable power generation for corporate and commercial clients.

  • Optimal PV array sizing and shading optimization

  • Smart monitoring integration for real-time performance

  • Power quality and harmonics study for grid stability

  • Cable and protection system engineering to meet IS/IEC standards

Solar Carports

Varistor engineers solar carport systems that merge functionality with power generation, ideal for industrial, institutional, and commercial premises.

  • Custom structure design for multiple car layouts

  • Structural analysis considering live load, wind, and seismic factors

  • Integration with EV charging and lighting systems

  • Drainage, cable trench, and foundation detailing

Workspace photo
Our
Engineering
Approach

Our approach is rooted in technical depth, process discipline, and data-driven design validation.

Every Varistor project follows a structured methodology to ensure accuracy, safety, and deliverability.

REQUIREMENT ANALYSIS & DATA COLLECTION
We begin with a detailed review of client inputs
including site coordinates, load profiles, evacuation voltage, and regulatory conditions
to define clear engineering objectives.
Concept & Feasibility Study
Our team conducts detailed energy
yield analysis, shading and tilt optimization, and techno-commercial
assessments to establish the most viable design configuration.
System Engineering & Detailing
We develop DC/AC layouts, cable schedules, load flow, and protection schemes
using tools like AutoCAD, ETAP, and PVsyst
ensuring every parameter aligns with utility and IEC norms
Validation & Review
Each design is internally peer-reviewed across disciplines
electrical, civil, and structural
to ensure cross-functional integrity and compliance with grid standards
Documentation & Handover
Final deliverables are issued in standardized formats ready
for EPC, client, and statutory review
including complete engineering reports, GTPs, BOQs, and compliance certificates
Technical Support During Execution
Our engineers remain available for site
clarifications, drawing revisions, and coordination support
ensuring the design translates seamlessly into execution on ground