Electrical Design That Powers Every Megawatt.
Solar projects don't fail from a lack of ambition — they fail from electrical design that can't hold up under real-world conditions. At Rayvanti Power Solutions, our electrical engineering team designs systems that are precise, code-compliant, and built to perform from Day 1 to Year 25.
Whether you're developing a 1MW rooftop installation or a 300MW utility-scale solar park, our designs are engineered to IS and IEC standards — and ready for construction without rework.
Electrical Errors Are Expensive, We Make Sure You Never Face Them.
A miscalculated cable size. A missed protection relay setting. A non-compliant SLD. These aren’t just design errors — they’re costly delays, failed inspections, and underperforming assets.
Our multi-layered technical review process ensures every electrical drawing and calculation we deliver is accurate, coordinated, and construction-ready. Your EPC team picks up our documentation and builds — without questions, without rework.
Trusted for India's Largest Solar Electrical Designs
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.
300 MW Deshraj Solar Power Project
132KV PSS for 70MW Solar Project
77 MW Torrent Power Limited
112.5 MW AMP Energy Green Eight
Our Electrical Design Services
🔌 Complete PV System Electrical Layouts
End-to-end electrical design for your entire solar PV system, from panel to grid connection point.
📐 Single Line Diagrams (SLDs)
Accurate, permit-ready SLDs covering AC, DC, and switchyard systems as per project specifications.
🔋 DC/AC Cable Sizing & Routing
Optimized cable sizing and routing that minimizes losses, reduces material costs, and meets IS/IEC standards.
📏 LT/HT Cable Sizing
Detailed LT and HT cable sizing calculations in full compliance with IS and IEC standards.
⚙️ Inverter & Combiner Box Configuration
Technical layout and configuration of inverters, combiner boxes, and string connections.
🌩️ Earthing & Lightning Protection Design
Site-specific earthing and lightning protection systems engineered to safeguard personnel, equipment, and assets.
🔗 Grid Interconnection & Protection Schemes
Relay coordination, protection settings, and grid interconnection documentation for seamless utility approval.
📊 Load Analysis & System Sizing
Comprehensive load flow analysis and system sizing to maximize energy yield and grid stability.
🏭 Switchyard Design up to 220 KV
Complete AIS switchyard design — from layout drawings to protection and control schematics — for projects up to 220KV.
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