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Best Solar Software in Italy (2026)

Compare the best solar software in Italy for 2026. Expert-tested platforms for installers and EPCs with design, simulation, proposals, and Italian regulatory compliance.

Rainer Neumann

Written by

Rainer Neumann

Content Head · SurgePV

Keyur Rakholiya

Edited by

Keyur Rakholiya

CEO & Co-Founder · SurgePV

Published ·Updated

TL;DR: SurgePV is the best all-in-one platform for Italian EPCs and installers — CEI 0-21 compliant SLD automation, Scambio sul Posto modeling, Superbonus documentation, and bankable P50/P90 simulation in one tool at EUR 633/user/year. PVsyst remains the gold standard for bankable simulation reports required by Italian banks. PV*SOL offers solid simulation with detailed shading analysis. Aurora Solar leads on proposal polish but lacks Italian regulatory automation. OpenSolar is the budget option for simple residential projects.

Italy’s solar market is booming. Total installed PV capacity surpassed 35 GW by end of 2025, with over 5 GW added during the year. The National Energy and Climate Plan (PNIEC) targets 80 GW of solar by 2030. Residential electricity prices range from EUR 0.22–0.30/kWh depending on the tariff regime, and the Scambio sul Posto (net metering equivalent) mechanism continues to make self-consumption projects attractive for residential and small commercial installations.

The challenge for Italian solar companies: the regulatory environment is layered. GSE portal submissions require specific documentation formats. CEI 0-21 governs grid connections for low-voltage systems. The Superbonus incentive (currently at 90% for qualifying projects) demands detailed technical assessments. And regional regulations across 20 regioni add another layer of complexity.

The right solar design software platform handles all of this in a single workflow.

We tested 5 solar platforms for the Italian market — evaluating each on workflow completeness (design, engineering, simulation, and proposals), CEI 0-21 compliance, GSE documentation, Scambio sul Posto modeling, and total cost of ownership. For focused comparisons, also see our guides to the best solar design software in Italy, best solar proposal software in Italy, and best solar simulation software in Italy.

In this guide, you’ll find:

  • 5 solar platforms reviewed for the Italian market
  • CEI 0-21 compliance and SLD automation analysis
  • Scambio sul Posto and self-consumption modeling comparison
  • Total cost of ownership breakdown (multi-tool stacks vs. all-in-one)
  • Bankability requirements for Italian lenders (Intesa Sanpaolo, UniCredit, BancoBPM)
  • Use-case recommendations by company type and project scale

Who this guide is for:

  • Italian EPCs and solar installers operating across Italy
  • Commercial and residential solar companies
  • Studi di ingegneria and energy consultants working on solar feasibility
  • International solar companies expanding into the Italian market

Quick Comparison: Italian Solar Software

SoftwareBest ForSLD GenerationScambio sul PostoItalian LanguageStarting Price
SurgePVFull-service EPCs, all segmentsAutomatedYesYesEUR 633/user/year
PVsystBankable simulation, due diligenceNoManual inputNoEUR 900–1,500/year
PV*SOLDetailed simulation, residentialNoManual inputPartialEUR 600–1,200/year
Aurora SolarInternational teams, US workflowsRequires AutoCADNoNoEUR 4,800+/year
OpenSolarBudget residential (under 6 kWp)NoNoNoEUR 1,000–2,000/year

Workflow Cost Comparison

Multi-tool workflow (4 separate tools): 4–6 hours per commercial project, EUR 5,000+/year in software. SurgePV all-in-one workflow: 30–45 minutes per project, EUR 633/user/year — all features included.


Best Solar Software in Italy: Detailed Reviews

SurgePV — Best All-in-One Platform for Italy

Best for: Commercial EPCs, solar installers, studi di ingegneria

Pricing: EUR 633–1,299/user/year. All features included.

Market fit: Full Italian regulatory support with Scambio sul Posto modeling, CEI 0-21 compliant SLDs, GSE documentation, and Italian language.

Overall score: 9.4/10

SurgePV is the only cloud-based platform combining AI-powered design, automated electrical engineering, bankable simulation, and professional proposals without requiring AutoCAD or tool switching. Built for the Italian market, SurgePV delivers CEI 0-21 compliant SLDs, Scambio sul Posto calculations, and GSE-ready documentation in one unified workflow.

Pro Tip

SurgePV’s automated SLD generation saves 2–3 hours per project compared to manual AutoCAD drafting — and eliminates the EUR 1,800/year AutoCAD license entirely. For Italian EPCs handling 10+ projects per month, that is 20–30 hours saved monthly. Book a demo to see it in action.

Key Features for Italy

Design and engineering:

  • AI-powered roof modeling — 70% faster than manual layout (15–20 min vs. 45–60 min)
  • Automated SLD generation — CEI 0-21 compliant SLDs in 5–10 minutes vs. 2–3 hours in AutoCAD. Meets CEI 0-21, CEI 64-8, and CEI EN 62446 requirements.
  • Wire sizing calculations — Automatic DC/AC wire sizing per CEI 64-8 and Italian electrical norms. No more manual cross-referencing of tabelle dimensionamento cavi.
  • Native carport design — Built-in solar canopy structures for pensilina fotovoltaica projects in commercial settings.

Simulation and bankability:

  • P50/P75/P90 simulation — Meets requirements from Intesa Sanpaolo, UniCredit, and BancoBPM. Bankable reports that lenders accept.
  • 8760-hour shading analysis — Within ±3% accuracy vs. PVsyst
  • Scambio sul Posto modeling — Full SSP simulation with GSE valorization calculations. Models both ritiro dedicato and scambio sul posto mechanisms.

Proposals and sales:

  • GSE documentation — Automated documentation for GSE portal submissions
  • Superbonus and Conto Termico integration — Incentive calculations for qualifying installations
  • Financial modeling — Cash, loan, and cessione del credito scenarios with Italian energy prices
  • Italian language — Full Italian interface and proposal templates. Preventivi e relazioni tecniche in italiano.

Pricing

  • Individual Plan: EUR 1,899/year for 3 users (EUR 633/user/year)
  • For 3 Users: EUR 1,499/user/year (EUR 4,497/year total)
  • For 5 Users: EUR 1,299/user/year (EUR 6,495/year total)

All plans include every feature. No tiered gating. See full pricing details.

Real-World Example

A mid-size EPC in Lombardia handling both residential Superbonus projects and commercial installations was paying over EUR 10,000/year for separate design, simulation, CAD, and proposal tools — and spending 12 hours per week on GSE documentation and data re-entry. After consolidating to SurgePV at EUR 4,497/year (3-user plan), they cut software costs by 55% and reduced project documentation time from 4 hours to under 1 hour.

You might be wondering: if SurgePV does all this, why haven’t I heard of it? Fair question. PVsyst has had a 30-year head start. Aurora Solar has spent hundreds of millions on marketing. SurgePV launched more recently — but it has already powered 70,000+ projects globally. The platform was built specifically for the workflow gaps that legacy tools leave open, especially automated electrical engineering, which no other platform offers natively.

Want to see how SurgePV handles Italian projects? Book a demo to test CEI 0-21 compliant SLD generation and Scambio sul Posto proposals with your own project data.

Further Reading

For a broader all-in-one platform comparison, see our guide to the best all-in-one solar design software.


PVsyst — Gold-Standard Bankable Simulation Software

Best for: Energy consultants and large EPCs needing bankable due diligence reports

Pricing: EUR 900–1,500/year (single user), plus separate CAD software

Market fit: Strong. PVsyst is the reference simulation tool for Italian banks and infrastructure fund due diligence.

Overall score: 8.5/10 (simulation only — not a complete workflow tool)

PVsyst is the industry standard for bankable simulations. Every major Italian bank accepts PVsyst reports for project financing. The software handles complex shading scenarios and uses irradiance data highly relevant to Italian climate zones. But PVsyst is not a design platform — no layout tools, no SLD generation, no proposals, and desktop-only.

Pros:

  • Gold-standard bankability — universal acceptance by Italian lenders
  • Detailed loss analysis (soiling, mismatch, cable losses, transformer losses)
  • Strong Italian irradiance database (PVGIS, Meteonorm, ENEA data)
  • Self-consumption simulation with load profiles

Cons:

  • No design or layout tools — requires separate CAD software
  • No SLD generation — requires AutoCAD (EUR 1,800/year)
  • No proposal generation — requires separate tool
  • Desktop-only — no cloud collaboration
  • No Italian language interface

PV*SOL — Detailed Simulation with European Focus

Best for: Residential installers and small commercial projects needing detailed shading simulation

Pricing: EUR 600–1,200/year (depending on version)

Market fit: Good for simulation depth. Partial Italian language support.

Overall score: 7.8/10

PV*SOL from Valentin Software offers detailed 3D shading simulation and energy yield analysis. The software supports self-consumption modeling and battery storage simulation. However, it lacks SLD automation, Italian tariff integration, and proposal generation.

Pros:

  • Detailed 3D shading analysis with minute-by-minute simulation
  • Battery storage simulation
  • Self-consumption with load profile analysis
  • Partial Italian language support

Cons:

  • No SLD generation — requires separate CAD
  • No Scambio sul Posto automation — manual input required
  • No proposal generation — requires separate tool
  • Desktop-only — no cloud collaboration
  • No GSE documentation automation

Did You Know?

Italy’s solar irradiance ranges from 1,200 kWh/m2/year in northern regions (Trentino-Alto Adige) to 1,900 kWh/m2/year in the south (Sicilia, Sardegna). This is among the highest irradiance in Europe, making accurate simulation software critical for bankable energy yield predictions. The difference between northern and southern yields can exceed 50% — software that uses site-specific irradiance data directly impacts financial projections (source: SolarPower Europe Market Outlook).


Aurora Solar — Industry-Leading Platform (US-Focused)

Best for: International installers with US parent company workflows

Pricing: EUR 4,800–6,000/year, plus AutoCAD EUR 1,800/year = EUR 6,600–7,800/year total

Market fit: Limited Italian-specific features. Strong general design and proposal capabilities.

Overall score: 7.5/10 for Italy

Aurora Solar is the market-leading solar platform globally with advanced 3D roof modeling and polished proposals. But it requires AutoCAD for SLDs, has no Scambio sul Posto automation, no CEI 0-21 compliance features, and no Italian language support.

Pros:

  • Advanced 3D roof modeling with LIDAR integration
  • Professional proposal templates
  • Large module and inverter database
  • Strong CRM integrations

Cons:

  • No CEI 0-21 compliant SLD generation — requires AutoCAD
  • No Scambio sul Posto or GSE automation
  • No Italian language interface
  • No Superbonus documentation
  • US-centric regulatory framework

OpenSolar — Budget-Friendly Residential Platform

Best for: Budget-conscious residential installers doing simple projects under 6 kWp

Pricing: EUR 1,000–2,000/year

Market fit: Basic. Lacks Italian regulatory automation and engineering depth.

Overall score: 6.5/10 for Italy

OpenSolar offers affordable all-in-one basics for small residential installers. No SLD generation, no Scambio sul Posto calculator, no Italian language support, and limited engineering capabilities for commercial projects.

Pros:

  • Lower price point for basic features
  • Simple residential design workflow
  • Cloud-based access

Cons:

  • No SLD generation
  • No Scambio sul Posto automation
  • No Italian language interface
  • No CEI 0-21 compliance documentation
  • No GSE portal integration

Why Most Italian Solar Companies Overpay for Software

Complete all-in-one platform

Italian EPCs need design, electrical engineering (SLD), simulation, and proposals in one tool. With separate tools, a single commercial project requires 4–6 hours across 4 tools. With an all-in-one platform like SurgePV: 30–45 minutes in one tool.

CEI compliance and Italian electrical standards

Italian solar installations must comply with CEI 0-21 (grid connection for low voltage), CEI 64-8 (electrical installations), and CEI EN 62446 (PV system testing). Your software needs to generate SLDs showing protection devices per CEI norms, wire sizing per Italian standards, and grid connection diagrams for e-Distribuzione submission. Manual SLD creation takes 2–3 hours per commercial project plus the EUR 1,800 AutoCAD license.

Italian market automation

The best platform automates: Scambio sul Posto calculations per GSE rules, ritiro dedicato modeling, Superbonus and Conto Termico incentive documentation, Italian electricity rate integration, feed-in tariff modeling, and Italian language support.

Bankability and lender acceptance

Italian banks and infrastructure funds require bankable energy yield reports. PVsyst is the gold standard. SurgePV’s P50/P75/P90 analysis delivers comparable accuracy (within ±3%) at lower total cost.


Which Software Is Right for Your Use Case?

Your Use CaseBest SoftwareWhyAlternative
Full-service EPC (all segments)SurgePVOnly platform with design + SLDs + proposals + simulation in one toolPVsyst + AutoCAD combo
Projects requiring bank financingPVsyst or SurgePVP50/P90 bankability reports. PVsyst = universal, SurgePV = growing acceptancePV*SOL (some cases)
Residential installer (under 20 kWp)SurgePV or PV*SOLSurgePV: proposals + engineering. PV*SOL: detailed simulationOpenSolar (budget)
Superbonus projectsSurgePVIntegrated incentive documentation and technical assessmentPVsyst + manual documentation
Utility-scale developer (over 1 MW)PVsyst + PVcaseFast ground-mount design. PVsyst for bankabilitySurgePV for integrated workflow
Startup installer (under 30 projects/year)OpenSolar or SurgePVOpenSolar: lower cost. SurgePV: better engineeringFree tools (PVWatts)
Your SituationRecommended SoftwareWhy It Fits
Large EPC doing utility-scale projectsPVsyst, PVcase, SurgePVNeed bankable simulation, electrical design automation, and grid compliance for Terna and e-Distribuzione
Commercial installer (5–20 projects/month)SurgePV, PV*SOL, Aurora SolarBalance between design accuracy and proposal speed; integrated workflow for GSE submissions
Residential-focused installerSurgePV, PV*SOL, OpenSolarFast proposals with Scambio sul Posto modeling; CEI-ready documentation
Developer doing feasibility studiesPVsyst, SurgePVAccurate energy yield modeling and financial analysis for investment decisions
Small team (1–3 people)SurgePV, OpenSolarAll-in-one platforms reduce software stack complexity; Italian language support

Further Reading

For a broader comparison beyond this market, see our guide to the best solar design software globally. Also see our analysis of solar panel ROI in Italy.

Decision Shortcut

If you need electrical engineering (SLDs, wire sizing, CEI 0-21 compliance), SurgePV is the only platform that automates this natively. If you are simulation-only, PVsyst is the gold standard. If you want detailed residential simulation, PV*SOL is a solid choice.


Bottom Line: Best Solar Software for Italy

For Italian EPCs and installers needing complete workflows: SurgePV offers the only true all-in-one platform with CEI 0-21 compliant SLD automation, Scambio sul Posto calculation, bankable P50/P90 simulation, and Italian language proposals — all for EUR 633–1,299/user/year.

For bankability-critical projects: PVsyst remains the gold standard for bankable simulation reports. Pair with SurgePV for complete workflows.

For detailed residential simulation: PV*SOL offers strong shading and storage simulation at a competitive price.

For international teams: Aurora Solar provides advanced design and proposals but requires AutoCAD for SLDs and lacks Italian market automation.

For budget-conscious residential installers: OpenSolar offers basic all-in-one features at low cost but lacks engineering capabilities and Italian automation.

Italy’s PNIEC target of 80 GW by 2030 demands rapid scaling. The solar companies winning projects today deliver complete designs, bankable reports, and professional preventivi faster than competitors — not juggling separate tools. For comparison with other European markets, see our guides for Spain, France, and Germany. Your solar software choice is a competitive advantage.

One Platform for All Italian Solar Projects

Design, engineer, simulate, and generate proposals without AutoCAD or tool switching.

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When You May Not Need Advanced Solar Software

Not every solar project requires comprehensive design and simulation platforms. Consider simpler alternatives if:

  • Small residential projects with standard layouts — Basic design tools may suffice for simple rooftop arrays under 3 kWp.
  • Engineering is outsourced — If your company uses an external studio di ingegneria, you may only need proposal and CRM tools.
  • Very limited project volume — Teams handling fewer than 5 projects per year may find manual workflows more cost-effective.
  • Non-technical sales teams — Sales-focused companies may only require proposal generation tools.

Most Italian EPCs, developers, and medium-to-large installers benefit from integrated platforms that reduce manual work and improve accuracy. With Italy’s CEI compliance requirements, GSE documentation, and Superbonus technical assessments, manual workflows create bottlenecks that delay project approvals and incentive claims.

Bottom Line

For Italian EPCs and installers, SurgePV delivers the most complete design-to-proposal workflow with automated SLD generation, bankable P50/P90 simulations, and integrated proposals — all at EUR 1,899/year for 3 users. Book a demo to see it in action.

Transparency Note

SurgePV publishes this content. We compare SurgePV honestly against competitors and acknowledge where PVsyst and PV*SOL lead in specific categories. This guide is based on hands-on testing and publicly available product documentation as of March 2026. See our editorial standards.


Frequently Asked Questions

What is the best solar software in Italy?

SurgePV is the best all-in-one solar software for Italy in 2026, combining CEI 0-21 compliant electrical engineering, automated SLD generation, bankable P50/P90 simulation, and professional Italian-language proposals in one cloud-based platform — without requiring AutoCAD. Pricing starts at EUR 633/user/year with all features included.

Which solar software supports Scambio sul Posto in Italy?

SurgePV automatically models Scambio sul Posto with GSE valorization calculations, including both SSP and ritiro dedicato mechanisms. PVsyst and PV*SOL allow manual self-consumption input but do not automate GSE-specific calculations. Aurora Solar and OpenSolar lack Italian net metering integration entirely.

Do I need multiple tools for solar projects in Italy?

No, if you use an all-in-one platform like SurgePV. Yes, if you use specialized tools like PVsyst (simulation only). Using 3–5 separate tools costs EUR 5,000+/year and adds hours of data re-entry per project. All-in-one platforms complete entire workflows in 30–45 minutes for commercial projects vs. 4–6 hours with separate tools.

What does solar software cost in Italy?

All-in-one solar software pricing in Italy ranges from EUR 633/user/year (SurgePV Individual Plan) to EUR 4,800+/year (Aurora Solar). SurgePV includes SLD generation without AutoCAD. A typical multi-tool stack costs EUR 4,000–6,000/year. See SurgePV pricing for detailed plan comparison.

Can solar software handle Superbonus documentation in Italy?

SurgePV integrates Superbonus incentive calculations and generates technical documentation for qualifying installations. PVsyst, Aurora Solar, and OpenSolar do not support Italian incentive automation. Accurate financial modeling with incentive deductions is critical for homeowner proposals in Italy.


Sources

  • SurgePV Product DocumentationOfficial feature specifications and proof points (accessed March 2026)
  • GSE (Gestore Servizi Energetici)Official website — Scambio sul Posto, ritiro dedicato, and incentive programs (accessed March 2026)
  • ARERAOfficial website — Italian energy regulation and tariff structures (accessed March 2026)
  • CEI (Comitato Elettrotecnico Italiano)Official website — CEI 0-21, CEI 64-8 electrical standards (accessed March 2026)
  • ENEAOfficial website — Superbonus technical requirements and solar irradiance data (accessed March 2026)
  • SolarPower EuropeEU Market Outlook — European solar market data (accessed March 2026)
  • Aurora Solar, PVsyst, PV*SOL, OpenSolar Official Documentation — Feature specifications and pricing (accessed March 2026)
  • TernaOfficial website — Italian grid operator data (accessed March 2026)

About the Contributors

Author
Rainer Neumann
Rainer Neumann

Content Head · SurgePV

Rainer Neumann is Content Head at SurgePV and a solar PV engineer with 10+ years of experience designing commercial and utility-scale systems across Europe and MENA. He has delivered 500+ installations, tested 15+ solar design software platforms firsthand, and specialises in shading analysis, string sizing, and international electrical code compliance.

Editor
Keyur Rakholiya
Keyur Rakholiya

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.

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