CEO & Co-Founder · SurgePV
Keyur Rakholiya is CEO & Co-Founder of SurgePV and Founder of Heaven Green Energy Limited, where he has delivered over 1 GW of solar projects across commercial, utility, and rooftop sectors in India. With 10+ years in the solar industry, he has managed 800+ project deliveries, evaluated 20+ solar design platforms firsthand, and led engineering teams of 50+ people. Keyur holds an MBA in Operations Management and a B.E. in Electrical Engineering, with certifications in PMP, CEM, and Solar PV Installation. He is a speaker at RE-Invest and has been featured in the Economic Times and Business Standard. His writing focuses on solar software evaluation, ROI validation, and operational efficiency for solar installers and integrators.
Experience
10+ years in solar / renewable energy
Certifications
- Project Management Professional (PMP) · Project Management Institute
- Certified Energy Manager (CEM) · Association of Energy Engineers
- Solar PV Installation Professional · MNRE / NISE
Education
- MBA, Operations Management · Indian Institute of Management
- B.E., Electrical Engineering · Gujarat Technological University
Speaking
- RE-Invest (India Renewable Energy Investors Meet)
Featured In
- The Economic Times
- Business Standard
Articles by Keyur Rakholiya
How to Start a Solar Company in 2026: 14-Step Checklist
Complete 2026 playbook for new solar installers — licensing, NABCEP, $50K-$100K startup costs, design-to-proposal workflow, and the post-ITC pivot plan.
Solar + Heat Pump System Design: Sizing & Integration Guide
Solar heat pump sizing for residential and C&I — match PV array kW to heat pump kWh demand, choose battery vs thermal storage, hit 65–80% self-consumption.
Remote Solar Site Assessment: A 7-Step Workflow (2026)
Learn how to run a remote solar site assessment from address to signed proposal — no truck roll, cutting ~$0.17/W in soft costs (NREL).
P50/P90 Energy Yield Explained: How to Interpret Solar Production Estimates
P50 P90 solar explained: how exceedance probabilities work, how they are calculated, and how lenders and designers use them to size debt and de-risk projects.
How to Read a Solar Shade Report: TSRF, TOF, and Solar Access Explained
Learn to read TSRF, TOF, and Solar Access on any solar shade report. Includes incentive thresholds by program, MLPE decision rules, and sales scripts.
5kW Solar System Cost 2026 - Save ₹78,000 in Subsidy
Planning a 5kW solar system in 2026? Get real prices before & after subsidy, monthly savings up to ₹4,500, and city-wise cost breakdown. Read now.
How to Design a Residential Solar System: 12-Step Process
Step-by-step residential solar system design process. Covers site assessment, load analysis, panel selection, inverter sizing, stringing.
Half-Cut vs Full-Cell Solar Panels Compared
Half-cut vs full-cell panels compared on efficiency, shade tolerance, cost, and availability. Data-driven guide.
How Shading Affects Solar Panel Performance
Shading causes 10–80% energy loss depending on severity. Learn shade physics, analysis methods, and design strategies.
Inter-Row Spacing for Solar Panels: Formula Guide
Calculate inter-row spacing with the shadow length formula. Worked examples, GCR tables, and a reference chart by latitude.
Solar Angles: Azimuth, Tilt, Zenith Guide
All six solar angles explained. Optimal tilt tables for 15 European cities, yield loss by orientation, and design tips.
Solar Installation Materials & Tools Checklist
120+ item checklist of solar installation materials, tools, and safety gear. Organized by category with specs.
Solar Irradiance: GHI, DNI, DHI Guide for Designers
GHI, DNI, DHI, and POA explained with formulas, worked examples, and data source comparison. Reference table for 20 European cities.
Solar Mounting Structure Types: Selection Guide
Roof mount, ground mount, trackers, carports, and BIPV compared. Cost, install time, and energy gain for each.
Solar Panel Layout Design: Step-by-Step Guide
Design solar panel layouts in 8 steps. Covers setbacks, orientation, shade analysis, stringing, and proposals.
Solar Panel Stringing: Series vs Parallel Wiring
Series vs parallel wiring, string sizing formulas, NEC 690.7 temperature derating, and shade-aware stringing strategies.
Solar Performance Ratio: Formula and Benchmarks
PR formula, climate-zone benchmarks (75-88%), full loss waterfall, temperature correction, and optimization strategies.
Best Solar PV Design Software Europe 2026
Best solar PV design software for European installers in 2026. Compare tools by EU standard compliance, yield simulation, proposal output.
Advanced Solar PV Design Software 2026
Advanced solar PV design software cuts design time from hours to minutes. Full guide to features, string design, shade analysis, energy simulation.
Best Solar Design Software India 2026
Best solar design software India 2026: MNRE-compliant tools, DISCOM integration, PM Surya Ghar automation.
Best Solar Design Software 2026
We tested 12 solar design platforms on shade analysis, simulation accuracy, proposal generation, and price.
Best Solar Design Software US 2026
Hands-on comparison of the best solar design software for US installers in 2026 — NEC 690 compliance, AHJ permit packages, IRA incentives.
Choosing the Best Solar Design Software for Your Project 2026
Compare top solar design software for residential, commercial, and utility projects.
Choosing the Right Solar Quote Software 2026
Compare the top solar quote software platforms of 2026. Learn which features drive faster close rates, better proposals.
Everything About Solar Design Software 2026
Solar design software explained: core features, pricing, AI tools, market comparisons, and how SurgePV cuts design time by 80%. Full 2026 guide for installers.
How to Become a Solar Designer 2026
Step-by-step guide to becoming a solar designer in 2026: required skills, NABCEP certifications, salary benchmarks.
Software for Solar Systems 2026: Complete Guide to Design, Sales & Management Tools
Every software category solar businesses need in 2026: design, proposals, CRM, permits, monitoring, O&M, and how to build the right stack.
Solar Sales Conversion 2026
Solar sales conversion rates average 3–5%. Here's how top installers hit 35%+ using better proposals, faster turnaround, and smarter follow-up.
Solar Sales Software Guide 2026
CRM, proposals, quoting, and pipeline tools every solar sales team needs. A complete guide to solar sales software in 2026.
EU Solar Energy Policies 2025–2026: CBAM, Fit for 55, REPowerEU & Country-by-Country Guide
Complete guide to EU solar energy policies in 2025–2026: CBAM solar impact, RED III, Fit for 55, REPowerEU 750 GW target, anti-dumping duties.
Reviewed by Keyur Rakholiya
Bifacial Solar Panel Design: Albedo, Height & GCR Optimization Guide
Bifacial solar panel design locks in albedo, mounting height, and GCR before you build. Get the decision matrix that moves gain from under 10% to 30%.
Solar + EV Charging Integration: 8-Step Design Guide for Installers (2026)
Size EV loads, design the solar array, choose DC vs. AC coupling, and navigate NEC 625 compliance. Complete integration workflow for residential and commercial solar + EV charging projects.
Optimal Tilt Angle for Solar Panels: Latitude-Based Orientation Guide
Set tilt to your latitude — or smarter. Country tables, azimuth loss data, bifacial rules, and TOU-aware orientation for solar installers.
Solar Panel Fire Safety Setback Requirements by Country
Exact ridge, edge, and pathway setback dimensions for 10 countries — IFC 1205 to VdS 3145 — with code citations and a country comparison table.
Solar System Losses: 15 Factors That Cut Your Yield (and How to Fix Them)
Solar PV systems lose 14-25% from nameplate to AC. Five loss factors drive 80% of the derate. Field-validated guide to all 15 with design fixes.
Solar Cable Sizing Calculation: NEC 690 & IEC Complete Guide
Step-by-step solar cable sizing: the NEC 690.8 156% rule, voltage-drop formulas, temperature + conduit derating, AWG/mm² tables.
Solar Inverter Sizing: The Complete Engineer's Guide
DC/AC ratio selection, string voltage calculations, multi-MPPT configuration, bifacial panels, SAT systems, hybrid inverter sizing, NEC 690.7 compliance, and hyper-clipping prevention — all with worked examples.
Solar Panel Spacing Calculation
Step-by-step solar panel spacing formula, GCR optimization using NREL data, and minimum inter-row distance tables for 7 latitudes.
Solar String Design Guide
Step-by-step solar string sizing: NEC 690.7 voltage limits, ASHRAE temperature math, MPPT range checks, bifacial corrections.
Solar Weather Monitoring Tools 2026: Hardware, Software & Data Integration Guide
Complete guide to solar weather monitoring — pyranometers, satellite irradiance services, data loggers, SCADA integration.
Solar Drone Site Survey 2026
Complete guide to drone-based solar site surveys — equipment selection, flight planning, photogrammetry, thermal imaging, LiDAR, regulations.
Solar Fire Safety Europe 2026: IEC Standards, Arc Fault Protection & Rapid Shutdown Guide
Complete guide to solar PV fire safety in Europe: IEC 61730, IEC 62109, EN 50548, DC arc fault protection, rapid shutdown rules.
Solar Shading Analysis Tools 2026
Compare the best solar shading analysis tools for 2026—horizon profiles, 3D modeling, drone surveys, and how SurgePV eliminates costly shade errors.
Solar Software Germany 2026
Top solar software for Germany 2026: EEG 2023 feed-in tariffs, Marktstammdatenregister, KfW 442 grants, VDE norms & AI design tools compared.
Solar Software Poland 2026
A deep-dive into the best solar software for Poland in 2026 — covering net-billing rules, prosumer regulations, grid compliance.
Solar String Design Mistakes: 10 Errors That Kill System Performance (2026)
From wrong Voc limits to MPPT mismatches and NEC 2023 arc fault gaps — the 10 most costly solar string design mistakes and how to fix every one.
France EDF Feed-in Tariffs 2026: EDF OA Rates, Tarif de Rachat Solaire & Application Guide
Complete guide to France EDF feed-in tariffs in 2026 — EDF Obligation d'Achat rates by system size, tarif rachat solaire, autoconsommation vs full export.
Germany Solar Subsidies 2026: KfW Grants, Feed-in Tariffs, Vattenfall PV Financing & Payback Guide
Complete guide to Germany solar subsidies in 2026 — KfW 442 battery grants up to €3,200, EEG feed-in tariffs.
Royal Decree 244/2019 Spain: Complete Guide to Net Metering, Autoconsumo & Compensación Simplificada (2026)
Royal Decree 244/2019 established Spain's autoconsumo framework — compensación simplificada, collective self-consumption, and surplus compensation rules.
France Green Energy Transition 2026: PPE Targets, Solar Policy, Off-Grid Market & CRE Auctions
Complete guide to France's green energy transition — Loi Énergie-Climat, PPE solar targets, off-grid market in Corsica and overseas territories.
Italy Feed-in Tariffs 2026: GSE Programs, Scambio sul Posto, Luce e Gas & Off-Grid Solar Guide
Complete guide to Italy feed-in tariffs in 2026 — GSE Ritiro Dedicato rates up to 14 ct/kWh, Scambio sul posto net metering, luce e gas tariff impact.
Germany Business Solar Incentives 2026: KfW 270 Loans, Marktprämie Auctions, Agri-PV Grants & Permit Timelines
Complete guide to commercial solar incentives in Germany 2026 — KfW 270 loans, BAFA grants, Marktprämie auctions, 40% Agri-PV CAPEX grants.
Ground-Mount Solar Design: Site Selection, Racking & Layout Guide
Complete engineering guide to ground-mount solar design — site selection criteria, foundation types, racking systems, GCR calculation, string sizing, and ASCE 7-22 compliance. Updated 2025.
Smart Solar Panels Guide 2026: Technology, Market Size & Performance ROI
Smart solar panels use IoT sensors and AI optimization to deliver 15–25% more yield than standard panels.
