Features
Solar Designing
Confident, precise solar layouts
Shadow Analysis
Smart tools for max output
Generation
/
Financial Tool
Trusted energy & ROI insights
Solar Proposals
Proposals that win more deals
ClaraAI
AI co-pilot for solar design
Unlock Bankability
Learn More
List now. Build credibility. Get leads.
Learn More
See How SurgePV Works to Streamline Solar Projects
Learn More
Perfect for
For Solar Installers
Precision tools for faster installs
For Sales Proffesionals
Visual proposals to accelerate sales
For Channel Partners & OEMs
Full project control for partners
Solutions
Commercial Solar
Residential Solar
See all customers
ClaraAI your Personal AI-Copilot
Learn More
Third Party Integrations
Learn More
Resrources
Solar Design Hub
Plan & design solar projects
Solar Proposal & Sales Hub
Create proposals, close sales
Solar Analysis
Evaluate solar performance data
Solar Growth & ROI
Track returns, measure growth
Solar Blogs
Latest insights and solar tips
Why SurgePV Wins
Solar Reviews
Best Solar Software
SurgePV vs Others
See all customers
Trending in Design
How AI is Revolutionizing Solar Design for Installers
Trending in Germany
Best Solar Design Software in 2025
Pricing
English
Deutsch
Français
Italiano
Español
Polski
Login
Book Demo
Free Solar Design & Calculation Tools
for Installers and Engineers
Accurate, free tools for solar sizing, financial planning, and system design — built to speed up your workflow and boost confidence.
Book Demo
System Design & Optimization
Solar Panel Sizer
Quickly estimate how many panels you need based on energy demand, roof size, and system type.
Access Tool
Solar Panel Design Tool
Visualize and lay out your solar array with orientation, tilt, and spacing for optimal performance.
Access Tool
Roof Pitch Calculator
Measure roof slope angle from basic dimensions to ensure accurate panel mounting and alignment.
Access Tool
Sun Angle Calculator
Track sun position by date and location to optimize tilt and maximize solar exposure year-round.
Access Tool
Electrical Sizing & Safety
Voltage Drop Calculator
Calculate wire gauge and voltage loss across distances to ensure efficient and code-compliant wiring.
Access Tool
Conduit Fill Calculator
Determine the right conduit size based on wire type, count, and code-compliant fill capacity.
Access Tool
Busbar Size Calculator
Find the appropriate busbar size for safe current distribution in residential or commercial systems.
Access Tool
AC Size Calculation
Estimate AC system size from load data to ensure balanced and efficient inverter configurations.
Access Tool
Lightning Risk Assessment Calculator
Evaluate your site's lightning protection need based on IEC/IS standards and environmental factors.
Access Tool
Financial & Energy Storage Planning
Solar Loan Calculator
Estimate monthly payments, interest, and total cost to help clients understand their solar financing options.
Access Tool
Battery Size Calculator
Determine the ideal battery capacity based on load requirements, backup hours, and usage patterns.
Access Tool
HVAC Calculator
Analyze HVAC energy demand to size solar and storage systems more accurately for residential loads.
Access Tool
Win your next project in
just minutes
.
Connect with a specialist for personalized insights and support tailored to your solar business needs.
Book Demo
.svg)
