Independent technical oversight from planning to project handover.
When an EPC contractor manages your solar project, their engineering team works in the contractor's interest. As a developer, investor, or asset owner, you need an independent technical partner who works only in yours.
Rayvanti Power Solutions provides Owner's Engineering services that act as your eyes and ears — reviewing designs for accuracy, monitoring construction quality, and ensuring your EPC delivers what was contracted. No surprises. No shortcuts. No underperforming assets.
Without Independent Oversight, You Only Find Out What Went Wrong After the Damage Is Done.
Design shortcuts. Substandard materials. Deviated installation practices. These issues don’t appear in progress reports — they appear in underperforming assets, failed inspections, and warranty disputes years later.
Our Owner’s Engineers are embedded in your project from design review to commissioning — catching issues before they become problems, and problems before they become losses.
- Fully Independent — We Work For You, Not the EPC
- Covers Design Review, Construction & Commissioning Phases
- Trusted by Developers, Lenders & Asset Owners
Your Asset Deserves an Engineer Who Works Only for You.
Rayvanti Power Solutions delivers comprehensive solar design and engineering services across electrical, civil, and mechanical domains, supporting utility-scale and commercial solar projects with precise and compliant solutions.
67.5 MW Singareni Collieries
50 MW BluPine Energy
40 MW SECL Solar Project
75+ Ground-Mounted MMS
Our Civil Design Services
🔍 Independent Design Review & Technical Due Diligence
In-depth review of EPC-submitted designs for technical accuracy, code compliance, and optimization opportunities.
✅ QA/QC Monitoring
Complete design of control room buildings, including structural drawings, foundation details, and MEP coordination.
📋 Drawing & Document Review
Systematic review of all project documentation including drawings, calculations, and technical specifications.
📊 Performance & Yield Verification
Independent review of energy yield models, simulation assumptions, and performance guarantees.
🤝 Lender's & Investor's Engineering Reports
Comprehensive technical due diligence reports for financial institutions and equity investors evaluating project risk.
🏗️ Construction Phase Engineering Support
On-call engineering support during construction to resolve technical issues, approve substitutions, and manage RFIs.
Why clients trust our engineering
Partner with an experienced engineering team delivering accurate, compliant, and execution-ready solar design solutions for utility-scale and commercial projects.
500+ MW Solar Projects Designed
Delivering Engineering Excellence Across Utility-Scale Projects
our work process
We deliver structured and performance-driven solar engineering solutions through a streamlined execution process focused on accuracy, compliance, and project efficiency
Requirement Analysis
Understanding project scope, technical needs, and site requirements.
Engineering Design
Creating detailed electrical, civil, and mechanical solar designs.
Final Delivery
Providing construction-ready drawings with technical support.
About Company
Rayvanti Power Solutions Pvt. (formerly Sigma Plus) is a multidisciplinary engineering consultancy delivering specialized solar design solutions across electrical, civil, and mechanical disciplines