Top Solar Proposal Software for 2025 in Italy

Italy’s solar market continues its upward trajectory—adding 6.8 GW in 2024 and surpassing 37 GW in total installed capacity. From residential rooftops to C&I installations, the opportunities are vast. But for EPCs, success doesn’t hinge on installation quality alone. It starts with the proposal.

Today’s solar proposals in Italy must do more than just show panel counts or kWh savings. They must comply with Superbonus 110%, Ecobonus, Scambio sul Posto, and varying regional incentive programs. Installers must generate localized ROI forecasts, VAT-adjusted pricing, and Italian-language documentation ready for submission to GSE, ENEA, or regional authorities.

Yet most firms still rely on disjointed workflows: CAD for layouts, Excel for financials, and PDFs stitched together manually—a slow, error-prone process that limits scalability and delays customer decisions.

This article compares the top proposal tools available to Italian EPCs in 2025—measuring them across speed, compliance, localization, and automation. We’ll also show why SurgePV, with its integrated design-to-contract pipeline and native support for Italian incentives, is becoming the tool of choice for Italy’s most efficient solar professionals.

What Italian Installers Need from Proposal Tools

Italian solar EPCs operate in one of the most incentive-rich—but regulation-heavy—markets in Europe. To succeed, proposal tools must go far beyond simple layout sketches or basic quotes. A compliant, conversion-focused proposal engine must account for legal, financial, and geographic complexity—all in a single, streamlined workflow.

Key Requirements:

• Government Incentives Support: Superbonus 110%, Ecobonus, and reduced VAT eligibility must be modeled directly within the quoting process—without relying on external spreadsheets.
  
• Net-Billing Integration: Scambio sul Posto modeling must reflect real export/import tariffs, enabling accurate ROI and payback forecasting for clients.
  
• Regional Grant Logic: Tools should automate eligibility and calculations for regional programs across Tuscany, Puglia, Lombardia, and others—ensuring proposal accuracy.
  
• Bankable Yield Simulation: Italian banks, GSE, and investors now expect full 8760-hour energy forecasts and P50/P90 assurance reports as part of project documentation.
  
• Full Italian Localization: Proposals, invoices, simulation reports, and contracts must be exportable in Italian with the correct legal formatting and incentive details.
  
• LIDAR-Based Design Accuracy: Dense urban settings in cities like Rome, Naples, or Florence demand high-resolution rooftop detection, sun-path modeling, and module-level shading analysis.
  
• Sales-Ready Features: Native eSignature support, embedded payment links, and branded proposals are now essential for closing deals faster.
  
• Integrated Workflow: From layout to simulation, proposal, and contract—all must happen in one platform to save time, avoid compliance risk, and reduce handoffs.
  

Without these features, Italian EPCs risk losing time, incentives, and ultimately deals. The right proposal software is no longer optional—it’s a competitive advantage.

Leading Italian Solar Proposal Tools (SERP-Informed Market Overview)

1. SurgePV – Best for End-to-End Italian Proposals

SurgePV is the only solar software platform designed from the ground up for Italian EPCs. It merges proposal speed with compliance depth, modeling every part of the Italian sales workflow—from Superbonus automation to per-panel LIDAR shade mapping.

Key Features:

• Full Italian Localization: Every user interface, proposal, invoice, and contract is in native Italian, pre-configured for legal and regulatory acceptance.
  
• Incentive Engine: Pre-loaded models for Superbonus 110%, Ecobonus, and regional grants (e.g., in Lombardia, Puglia, Tuscany) automate fiscal credit calculations and reporting thresholds.
  
• Net Billing (Scambio sul Posto): Integrated cashflow models calculate self-consumption, export credits, and ROI with 10–20 year projections.
  
• AI + LIDAR-Based Layout: Supports complex Italian rooftops (e.g., clay-tiled, angled, urban), with real shading and irradiance heatmaps tied to financial performance.
  
• All-in-One Workflow: A single tool to take you from design → simulation → quote → Italian contract generation → eSignature → payment link → CRM/API export.
  
• Hardware Agnostic: Fully compatible with SMA, Fronius, SolarEdge, Huawei, and other EU-focused brands.
  

Best For: EPCs, solar retailers, and engineering firms needing speed, regional compliance, and a closed-loop proposal system—without toggling between Excel, CAD, and government portals.

Pros:

• Full Italian localization: UI, proposal PDFs, invoices, and contracts.
  
• Automates incentive logic for Superbonus 110%, Ecobonus, and regional grants.
  
• Built-in net billing modeling (Scambio sul Posto).
  
• Advanced LIDAR shading and per-module analysis.
  
• Seamless end-to-end flow: design → simulate → quote → sign → invoice.
  
• Vendor-neutral: supports major European inverter brands.
  
• Installer reports show 60–70% time savings vs. CAD/Excel stacks.
  

Cons:

• Optimized primarily for EPCs and installers—not ideal for academic/research use.
  
• Web-based platform requires stable internet access for operation.
  

2. Solarius PV – Native Italian Engineering Suite

Developed by Italy-based ACCA Software, Solarius PV is a technical powerhouse ideal for EPCs producing BIM-compliant documents and detailed design deliverables.

Key Features:

• BIM Integration: Works with Revit and IFC workflows; ideal for architects and large engineering teams.
  
• Shading & Simulation: Supports PVGIS integration and irradiation modeling.
  
• Manual Incentive Input: Users can manually apply Superbonus and Ecobonus values, though not automated.
  
• Compliant Report Generation: Suitable for GSE and ENEA submissions.
  

Best For: Technical EPCs and consultants preparing engineering packages, especially for mixed-use or residential building renovations. Less optimized for fast proposals or automated sales flows.

Pros:

• Developed in Italy with native support for BIM and CAD environments.
  
• Generates Italian-standard reports for ENEA, GSE.
  
• Compatible with Revit and other architectural tools.
  
• Detailed module placement and energy yield calculation.
  

Cons:

• Superbonus and Ecobonus require manual financial input.
  
• Slower proposal generation due to non-automated quote-to-contract workflow.
  
• Not optimized for rapid quoting or digital sales teams.

3. Aurora Solar – 3D Sales Design, Limited Italian Fit

Aurora is a global leader in sales visuals and 3D modeling, now expanding across Europe. It’s strong in front-end quoting and customer presentations.

Key Features:

• 3D Layout Tools: High-resolution 3D modeling with sun-path and obstruction detection.
  
• Live Pricing Updates: Supports dynamic pricing and visual proposal generation.
  
• No Native Italian Incentives: Incentive models, ROI logic, and PDFs must be manually configured.
  
• Export-Heavy Workflow: No integrated contract or payment features for Italy.
  

Best For: Sales teams in international EPCs that need fast customer visuals. Not suitable for teams needing incentive compliance or Italian exports out-of-the-box.

Pros:

• Strong 3D visualization with LIDAR support and seasonal sun-path mapping.
  
• Fast proposal generation with customer-facing visuals.
  
• Integrates with CRM and ERP platforms.
  
• Advanced AI and automation tools for layout and design.
  

Cons:

• No native support for Italian incentives (Superbonus, Ecobonus).
  
• Limited Italian language and compliance documentation.
  
• Premium pricing and steep learning curve reported by usersAurora Solar Overview.
  

4. PV*SOL – High-Fidelity Simulation Tool

Engineered in Germany by Valentin Software, PV*SOL is a go-to for simulation accuracy and yield analytics.

Key Features:

• Advanced Energy Modeling: P50/P90 reports, battery integration, detailed irradiance loss mapping.
  
• Regulatory-Grade Outputs: Suitable for banks and financial institutions.
  
• Lacks Italian Incentives: No built-in Superbonus logic, and no Italian-language exports.
  

Best For: Technical teams or EPCs focused on bankable simulations and engineering accuracy, who use separate systems for incentives and contracts.

Pros:

• Industry-grade P50/P90 modeling trusted by auditors.
  
• Detailed shading simulation with 3D terrain and system losses.
  
• Supports PVGIS irradiance data and large component databases.
  
• Used widely in academia and for feasibility studiesPV_SOL (Valentin Softwa….
  

Cons:

• Complex user interface and high learning curve.
  
• Lacks automated proposal workflows and Italian contract generation.
  
• Windows-only; no cloud or macOS support.

5. Sun Ballast / Insun Tool – C&I Focus, Italian Templates

Tailored for commercial rooftop systems using Sun Ballast structures, this layout tool is fast and easy to use.

Key Features:

• Flat Roof Templates: Optimized for large Italian rooftops.
  
• Branded Italian Proposals: Includes basic visual and layout PDFs.
  
• No Simulation/ROI: Cannot model shading, yield, or fiscal deductions.
  

Best For: Italian commercial contractors doing high-volume quoting on similar systems. Limited to visual sales functions.

Pros:

• Simple, layout-focused design for flat rooftops.
  
• Preloaded with Sun Ballast structural components.
  
• Fast Italian proposal generation.
  

Cons:

• No energy simulation or incentive calculation.
  
• Not suitable for full proposal workflows or compliance documentation.

6. Pylon – Rapid Proposals, Limited Incentive Support

Pylon offers speed and a clean interface, now partially localized for the EU solar market.

Key Features:

• LIDAR Rooftop Mapping: AI-driven panel placement and quick design.
  
• Live Customer Quotes: Shareable links and email-ready PDFs.
  
• Manual Incentive Modeling: No automatic support for Superbonus or VAT.
  

Best For: Sales teams who need quoting velocity and visuals, but who can manage ROI and incentives in parallel spreadsheets.

Pros:

• LIDAR-enabled roof layout and shading visuals.
  
• Shareable quote links for fast customer approvals.
  
• Quick setup and adoption, with partial Italian support.
  

Cons:

• No support for Italian incentives or net billing logic.
  
• Requires external tools for VAT, ROI, or contract automation.

Pros:

• Excellent hardware integration for SolarEdge inverters and optimizers.
  
• Free to use with SE hardware.
  
• Auto-stringing logic and layout tools.
  

Cons:

• No incentive modeling, financial forecasting, or Italian language support.
  
• Limited to projects using only SolarEdge components.
  
• Not suitable for full sales proposals or EPC workflows.
  

7. SolarEdge Designer – Hardware-Tied Layout Tool

SolarEdge Designer is built specifically for SolarEdge systems and lacks broader financial or regulatory tools.

Key Features:

• Auto-Stringing + Layout: Rapid layout validation for SE inverters/optimizers.
  
• Shading Simulation: Basic obstruction tools with annual yield estimation.
  
• No Italian Proposal Compliance: No invoice or PDF export in Italian, no fiscal logic.
  

Best For: Installers committed to SolarEdge equipment needing free, fast layouts—not for broader sales use or Italian regulatory scenarios.

Why SurgePV Wins in Italy

SurgePV stands out as the most complete solar proposal solution for the Italian market—not just because of its features, but because it was purpose-built to solve the exact regulatory, financial, and workflow pain points facing EPCs, engineers, and sales teams across Italy.

Unlike generic global tools, SurgePV’s roadmap includes dedicated support for Italy’s complex ecosystem of national and regional incentives, legal documentation standards, and proposal presentation norms. Every stage of the quote-to-contract cycle is embedded into a single system.

Key differentiators include:

• Incentive Automation Engine: Automatically applies Superbonus 110%, Ecobonus rates, and region-specific rebates (e.g., Lombardia, Puglia) with real-time financial modeling. No external spreadsheets or post-processing required.
  
• Scambio sul Posto Simulation: Models import/export energy flows, credit banking, and payback timelines aligned with Italian net-billing rules—ideal for both residential and small commercial systems.
  
• AI + LIDAR Shading with Forecasting: Combines per-panel shading, obstruction detection, and 8760-hour yield simulation with P50/P90 outputs, supporting bank-grade performance reports.
  
• Fully Localized Italian Documentation: Proposal PDFs, ROI tables, eInvoices, and contract-ready documents are available in native Italian, pre-configured for ENEA and GSE submissions.
  
• Technical Exports: Single-line diagrams (SLDs), bill of materials (BOM), layout plans, and shading visuals are generated automatically—aligned with permitting and financing needs.
  
• Built-in Digital Signature + Payment: Final quotes include ready-to-sign contracts with eSign functionality and QR-based payment links—accelerating deal closure in minutes.
  

Performance Impact: EPCs using SurgePV report up to 75% reduction in quoting and documentation time, eliminating the need to stitch together CAD layouts, Excel sheets, and Word proposals.

“SurgePV is the only platform that combines Italy’s incentive complexity, yield modeling, rooftop shading, and contract generation into a single, efficient, and export-ready tool.”

Bottom line

If you're still quoting solar systems in Italy using separate tools like CAD, Excel, and PDF editors, you're wasting hours and risking errors. SurgePV replaces that fragmented process with a single, smart solution built for Italy's solar market. From LIDAR-based shading analysis to automated Superbonus/Ecobonus logic, from Scambio sul Posto modeling to ready-to-sign Italian proposals—SurgePV accelerates everything. Italian EPCs and installers report saving up to 75% on proposal time, while improving compliance, client trust, and win rates. Whether you're quoting residential rooftops in Rome or commercial arrays in Milan, SurgePV gives you the speed and accuracy your team needs.

Why book a demo?

• See how SurgePV automatically calculates Superbonus 110%, Ecobonus, and regional grants.
  
• Explore 8760-hour P50/P90 forecasts tailored to Italian rooftops using LIDAR and AI.
  
• Preview proposal PDFs in full Italian language with ROI breakdowns, net billing, and incentives pre-modeled.
  
• Watch the entire workflow: design → simulate → quote → sign → invoice.
  
• Learn how EPCs are cutting proposal time by 70% using SurgePV.
  

Book Your Free SurgePV Demo for Italian Solar Projects