
Designing solar projects has become more advanced now, and there’s no secret behind it—everyone knows about solar design software. For today’s solar professionals and newbies, solar design software tools are more than just design aids—they’re complete solutions for all the manual work that comes with designing a solar panel system. Thanks to this technology and the right platform by your side, you can do much more than just design a solar panel system.
So, which solar design software should you choose in 2025? Let’s break it down. This guide will cover what solar design software is, the benefits it offers, and a roundup of the top solar design software tools available this year.
Solar design software is an advanced digital tool used to plan, design, and optimize photovoltaic (PV) systems for residential, commercial, and utility-scale solar projects. It simplifies the entire design process from site assessment to performance forecasting, helping solar professionals deliver more accurate results fast.
With solar design software, you can:
In short, solar design software turns complex technical work into streamlined workflows that boost both project accuracy and sales success.

Before we dive into the list, here are some of the biggest reasons solar businesses rely on these platforms:
Modern solar design platforms cut project turnaround times dramatically. Remote site assessments and automated panel layouts mean fewer physical site visits, faster designs, and shorter sales cycles.
Precise layouts reduce material waste and design errors. Most software options have a subscription fee but the savings from avoiding mistakes and wasted time easily outweigh the expense.
Clients like to know what the finished project will look like before making a commitment. Solar design software assists in generating high-quality visual solar bids with realistic 3D views and financial advantages. This builds trust and seals deals quickly.
Staying compliant with local codes and industry standards is easier with integrated tools that flag design errors and help create permit-ready documentation.
ARKA 360 is an all-in-one solar design, proposal, permitting, and project management platform built for residential and commercial solar installers.
Residential and commercial solar installers seeking a complete design-to-installation workflow.
Tiered plans based on business requirements.
4.4 / 5 (85 Reviews)
Aurora Solar is one of the industry's most recognized solar design platforms, offering advanced modeling, sales tools, and financial analysis.
Solar contractors looking for a mature all-in-one design and sales platform.
Subscription-based pricing.
4.7 / 5 (117 Reviews)
SurgePV is a next-generation solar design and project management platform that helps installers, EPCs, developers, and engineering teams streamline every phase of the solar project lifecycle.
Solar installers, EPCs, developers, and engineering firms seeking a scalable all-in-one solution.
Custom pricing based on business requirements.
Contact vendor for current ratings and reviews.
HelioScope combines an easy-to-use design interface with bankable energy simulations, making it a popular choice for commercial solar projects.
Commercial solar developers and EPCs.
Starts at $159/month.
4.5 / 5 (19 Reviews)
OpenSolar is a free solar design platform that offers powerful design, proposal, and CRM capabilities without software licensing fees.
Small and mid-sized solar installation companies.
Free.
4.6 / 5 (3 Reviews)
Pylon combines solar design software with customer relationship management tools, helping businesses improve operational efficiency.
Growing solar businesses that need both design and customer management tools.
Pay-as-you-go with enterprise options.
4.3 / 5 (2 Reviews)
PV*SOL is an engineering-focused solar simulation software trusted for detailed performance modeling and energy analysis.
Engineers, consultants, and technical professionals.
License-based pricing.
4.3 / 5 (10 Reviews)
PVcase provides AutoCAD-based design solutions for utility-scale, commercial, and industrial solar projects.
Developers, EPCs, and engineering firms working on large-scale projects.
Subscription-based pricing.
Winner of G2's 2025 Best CAD Software Award.
PVsyst is a globally recognized solar simulation platform known for its accuracy and bankability studies.
Engineers, consultants, researchers, and utility-scale developers.
License-based pricing.
4.7 / 5 (17 Reviews)
Solargraf is a sales-oriented solar software platform that combines design, proposals, financing, and permitting tools.
Residential solar installers focused on increasing sales productivity.
Starts at $2,799/year for two users and 240 projects.
4.4 / 5 (4 Reviews)

Investing in the best solar design software will make a huge change in how smoothly your business runs. These digital tools are built to give you an edge—from creating accurate system layouts to cutting down costs and speeding up approvals. Whether you’re a part of growing solar design companies or managing large-scale installations, choosing the right commercial solar design software can greatly enhance your workflow efficiency.
Every company is different, and what works for a small residential installer might not be the best fit for a large commercial developer. That’s why it’s worth exploring a few of the options on this list to find the commercial solar design software that suits your business best.