InSun

What InSun does

InSun is a cloud-based photovoltaic system design platform operated by Engorithm SA, a privately held Swiss corporation headquartered in Chiasso, Ticino, and led by founder and CEO Marco Ferrarini. The platform combines Unity WebGL/WASM-powered 3D building and PV system visualization, a manufacturer-validated product database of approximately 69,453+ components, cell-level shading analysis, automatic electrical design (string configuration, cable sizing, inverter selection), and Fraunhofer-validated energy yield simulations. It is offered under a four-tier SaaS licensing model (Basic free up to 20 kWp/month, Pro €99/month, Pro+ €129/month, Business €249/month) with multi-seat corporate packages, and is supplemented by add-on modules: SuperLinda (lead generation), App Agenti (sales force tool), Linda White Label (enterprise customization), Progetto Facile (outsourced design service), inPratica (grid-connection paperwork management), and an educational licensing program.

The company monetizes primarily through recurring SaaS subscriptions, with additional revenue from one-time professional services (Progetto Facile from €129, inPratica €199–€249) and white-label/OEM licensing. Its go-to-market is hybrid: a product-led growth motion via 7-day free trial and freemium Basic tier targets individual designers and small installers, while an enterprise field sales motion handles multi-seat corporate deals, white-label arrangements, and educational institution licensing. Distribution is anchored by strong trade show presence at Intersolar Europe, Key Energy Rimini, Solar Energy Las Vegas, and Intersolar Mexico, often co-exhibited with equipment manufacturers such as Lux Srl, Sun Ballast, and München Energieprodukte.

The customer base spans residential, commercial, and industrial PV designers, engineering firms, installation companies, agricultural developers, educational institutions, and large sales networks, with operations in Switzerland, Italy, Brazil, and Mexico. The company employs approximately 5 people, has no disclosed external institutional funding, and has accumulated more than 100,000 projects designed on the platform since its 2018 launch, positioning it as a niche, founder-led European vertical SaaS in the solar engineering software category.

Name

InSun

Legal name

Engorithm SA

Website

https://insunhub.com

Company type

Private

Founded year

2018

Operating status

Operating

Headcount range

1–10 employees

Short description

InSun is a Swiss cloud-based photovoltaic design SaaS platform by Engorithm SA that enables PV designers, installers, and engineering firms to create 3D-simulated, Fraunhofer-validated, regulation-compliant solar system projects and bankable documentation.

Ownership category

akta.pro rank

Headquarters

HQ city

Chiasso

HQ country

Switzerland

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Software

Cost components

Technology or R&D, Personnel, Infrastructure, Marketing or Sales, Operations

Revenue model

1. SaaS Software Licenses: Subscription-based software licenses in four tiers (Basic, Pro, Pro+, Business) with monthly or annual billing. Basic tier is free with limitations (20 kWp/month), while paid tiers unlock advanced features and higher project capacity.
2. Multi-User Corporate Licenses: Volume licensing for teams of 2-5 designers at discounted rates per seat. Available for Pro, Pro+, and Business annual plans, with additional savings compared to individual subscriptions.
3. inPratica Connection Management Service: Additional service for managing photovoltaic system grid connection procedures. Pricing: €199 for systems up to 11 kWp, €249 for systems 11-20 kWp. Integrated with PRO, PRO+, and BUSINESS licenses.
4. Educational Licenses: Special licensing program for universities, technical schools, and training institutions. Pricing negotiated on request.
5. White Label / OEM Licensing: Full customization licensing for large enterprises and commercial networks requiring branded deployment. Geographic scope worldwide with advanced customization options.
6. SuperLinda Lead Generation System: Lead generation application available as standalone subscription (SuperLinda WebApp) or integrated with agent networks (App Agenti), or white-label (Linda) for large organizations.
7. Progetto Facile Outsourced Design Service: Outsourced photovoltaic design service starting at €129 for residential projects, with industrial/agrivoltaic projects quoted on request. Delivered by inSun technicians within 24 hours of request.

Pricing tiers

Go-to-market motion3 records

Distribution channels5 records

Marketing channels7 records

Core offering

InSun is a cloud-based all-in-one photovoltaic system design platform that enables users to simulate buildings in 3D, access a database of approximately 70,000 manufacturer-validated products, perform electrical design, shading analysis, energy yield simulation, and generate Fraunhofer-validated bankable project documentation. The platform is offered via tiered SaaS subscriptions (Basic free, Pro, Pro+, Business) with add-on modules including SuperLinda for lead generation, Progetto Facile for outsourced design services, inPratica for grid connection paperwork, and inSun Education for academic licensing.

Product overview

InSun is a cloud-based all-in-one photovoltaic design platform offered through a multi-tier licensing model (Basic, Pro, Pro+, Business) plus add-on modules. The core inSun Platform provides 3D building simulation using Unity engine, automatic shading analysis, electrical design, and Fraunhofer-validated energy yield simulations. Supporting products include SuperLinda (AI-powered lead generation WebApp), App Agenti (sales agent mobile app), Linda White Label (enterprise customization), inSun Viewer (free sharing app), Progetto Facile (turnkey design service), inPratica (grid connection paperwork service), and inSun Education (academic licensing). The ecosystem also includes Isidoro (anti-pigeon system) for bird protection on PV installations. The platform integrates with Google Maps, ArcGIS, MapBox, and PVGIS data sources for comprehensive geographic and solar resource analysis.

Differentiator

Problem solved

Functional benefit

Brands

• SuperLinda: Innovative lead generation system based on inSun technology for quick photovoltaic system simulation and lead capture.
• Progetto Facile
• inSun Viewer
• inPratica
• Linda
• App Agenti
• Isidoro

Products and services

• inSun Platform (SaaS Platform) Cloud-based all-in-one platform for designing photovoltaic systems with 3D building simulation (Unity engine), automatic cell-level shading analysis, electrical design, energy yield simulation using PVGIS data, ROI calculation, and Fraunhofer-validated bankable reports. Available via tiered licenses (Basic, Pro, Pro+, Business).
• SuperLinda (Lead Generation WebApp) Lead generation WebApp based on inSun technology enabling rapid PV system simulation in 1 minute using Google Maps AI, with 25-year energy production, self-consumption, and savings calculations. Includes 5 residential PV kits (3-20 kW), brand customization, and 1-country geographic coverage.
• App Agenti (Sales Agent Mobile App) Sales agent mobile application with unlimited usage license, including 10 agent accounts, automatic/manual module placement, battery management, electric vehicle simulation, and quote generation. Designed for SMEs and territorial sales networks.
• Linda (White Label Lead Generation Solution) Fully customizable white-label lead generation and PV design solution for large companies and national/international commercial networks. Includes unlimited usage, Business-level inSun licenses, unlimited products, admin module for leads/products/users, advanced customization, worldwide geographic coverage, and agent management module.
• inSun Viewer (Mobile App)

Quantifiable outcome

• Create a complete project in 90 seconds with Basic tier
• +4 more outcomes

Named customers10 records

Segments7 records

Ideal customer profiles6 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration5 records

AI capability6 records

Feature10 records

Partnerships

13 partnerships are on record, tiered core, major and minor.

• Fraunhofer InstitutecoreStrategic or Co-development PartnerResearch validation partnership ensuring simulation accuracy and bankability of project documentation. Fraunhofer validates inSun calculations, providing credibility for financial institutions evaluating PV project financing.
• PVGIS (Joint Research Centre - European Commission)coreTechnology or IntegrationIntegration of PVGIS meteorological and solar radiation data for hourly, daily, and monthly performance calculations. Provides 5km resolution data for any location worldwide.
• SUPSI (Scuola universitaria professionale della Svizzera italiana)coreStrategic or Co-development PartnerSwiss university partnership for platform development and research collaboration since the company's founding.
• IDSIA (Istituto Dalle Molle di Studi sull'Intelligenza Artificiale)coreStrategic or Co-development PartnerSwiss AI research institute partnership contributing to machine learning and optimization algorithms in the platform.
• Lux SrlmajorGTM or Marketing PartnerItalian solar equipment distributor partnership for trade show exhibitions and product integration. Co-exhibitor at Key Energy (Rimini) and Intersolar Europe.
• Sun BallastmajorGTM or Marketing PartnerMounting system manufacturer partnership for Intersolar Europe 2026 (Hall A5/Booth 250). 'Fortis' structural system co-promotion with design-to-last messaging.
• München EnergieprodukteminorGTM or Marketing PartnerGerman solar products distributor, co-exhibitor at Key Energy events.
• 2B IngegneriamajorImplementation/ SI/ Consulting PartnerEngineering firm partnership for inPratica grid connection management service, handling the bureaucratic procedures for photovoltaic system connections to the grid.
• Ecorel PowerminorGTM or Marketing PartnerPartner at Key Energy 2025 exhibition, showcasing integrated solutions.
• SICESminorGTM or Marketing PartnerPartner at RECOM, HELIUS, RISEN, and THORNOVA booths during Intersolar Mexico and Solar Energy Las Vegas events.
• Stripe ClimateminorStrategic or Co-development PartnerCarbon removal initiative where inSun contributes 1.5% of revenue. Part of Stripe's coalition of 25,000+ businesses across 39 countries funding next-generation carbon removal technologies.
• ClimeworksminorOthersDirect air capture technology company partnered via Stripe Climate. Uses renewable geothermal energy to capture CO2 and sequester underground via Carbfix.
• Charm IndustrialminorOthersBiomass-to-bio-oil carbon removal company partnered via Stripe Climate. Converts biomass to bio-oil and injects underground for permanent storage.

Scale indicators5 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• OpenSolar: Cloud-based PV design and quoting platform with integrated financing and installer CRM. BlackRock-backed. Competes directly with InSun on the design-to-proposal workflow, and like InSun offers a free tier as a lead-generation funnel for Solar installers globally.
• PVsyst: Swiss-based PV system simulation and yield forecasting software widely used in the European PV industry. Closest geographic and historical peer to InSun — both are Swiss-rooted, both target professional PV designers, and both provide bankable energy yield simulations. PVsyst is the established desktop incumbent; InSun is the cloud-native challenger.
• Solargraf: Cloud-based PV design and sales platform for residential and commercial installers, offering 3D modeling, shading analysis, and proposal generation. Reputationally equivalent to InSun in terms of workflow and target customer (independent PV installers), with stronger US presence.
• Aurora Solar: US-based cloud SaaS platform for PV system design, sales proposals, and solar financing workflows. Serves residential and commercial installers — the same core PV designer persona as InSun, with a comparable end-to-end 3D modeling, shading analysis, and proposal generation stack. Differences: Aurora is far larger (~$400M+ raised) and focused on the US market.
• Helioscope (Folsom Labs): Cloud-based PV design and energy modeling platform for commercial and utility-scale projects, originally independent and now part of Aurora Solar. Directly overlaps with InSun's Pro+ and Business segments for professional designers needing detailed shading analysis and bankable reports.

Emerging players

• PVcase: Solar design software focused on utility-scale and C&I ground-mounted PV projects with CAD/AutoCAD integration. Overlaps with InSun's industrial/large-scale designer segment but is geared toward ground-mount rather than rooftop workflows. Represents a partial overlap for InSun's Pro+ and Business tier users.
• RatedSolar: Solar PV design and proposal tool for residential installers, integrating with PV hardware suppliers. Comparable SMB/individual installer use case to InSun's Basic and Pro tiers, with a focus on proposal automation and lead-to-contract workflow.

Broad incumbents

• SolarEdge Designer: SolarEdge's PV design and simulation tool for projects using SolarEdge inverter and optimizer products. Comparable to InSun but tightly coupled to SolarEdge hardware ecosystem. Represents competitive pressure from a major inverter OEM with deep R&D budgets.
• SMA Sunny Design: Free PV system design tool from SMA Solar Technology, one of the world's largest inverter manufacturers. Comparable to InSun's free tier but bundled with SMA hardware sales. Represents the OEM-encroachment threat: inverter/module manufacturers can offer free design tools to lock installers to their hardware.

Regional players

• K2 Systems Design Tool: German mounting system manufacturer with a free PV design tool (K2 Base) for rooftop PV projects. Comparable to InSun at the lower end of the market, with strong German/European installer presence but limited geographic scope outside DACH region.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks5 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/@insundesignperfection/streams
• LinkedInlinkedin.com/company/insunhub

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about InSun