GITNUXSOFTWARE ADVICE
Utilities PowerTop 10 Best Solar System Software of 2026
Top 10 ranking of solar system software with evaluation notes and tradeoffs, covering tools like SolarGraf, Aurora Solar, and OpenSolar.
How we ranked these tools
Core product claims cross-referenced against official documentation, changelogs, and independent technical reviews.
Analyzed video reviews and hundreds of written evaluations to capture real-world user experiences with each tool.
AI persona simulations modeled how different user types would experience each tool across common use cases and workflows.
Final rankings reviewed and approved by our editorial team with authority to override AI-generated scores based on domain expertise.
Score: Features 40% · Ease 30% · Value 30%
Gitnux may earn a commission through links on this page — this does not influence rankings. Editorial policy
SolarGraf is the best pick if you’re an installer team that needs consistent PV layout math with irradiance, shading, and loss outputs for handoffs, while Aurora Solar fits when design teams need faster cloud proposal iteration with forecast outputs and OpenSolar is a solid entry alternative for repeatable collaboration and dependable exports.
Editor’s top 3 picks
Three quick recommendations before you dive into the full comparison below — each one leads on a different dimension.
SolarGraf
Integrated recalculation that propagates roof geometry, shading, and irradiance inputs into linked yield and loss reports in one project.
Built for fits when design teams need consistent PV layout math with irradiance, shading, and loss outputs for handoffs..
Aurora Solar
Editor pickRoof plane mapping that ties imported geometry to layout, shading, and proposal outputs in one revision loop.
Built for fits when contractor design teams need fast PV layout, shading, and proposal iteration with consistent forecast outputs..
OpenSolar
Editor pickBuilt-in review and approval workflow that ties parameter changes to specific project deliverables.
Built for fits when teams need repeatable solar design workflows with controlled collaboration and dependable export outputs..
Related reading
Comparison Table
Solar system software tools connect PV design models, proposal document generation, and project execution into a shared data model that installers, developers, and analysts can audit. This ranked list targets evaluation teams that need measurable workflow fit, including configuration depth, integration and API support, and change control signals like RBAC and audit logs, rather than feature checklists.
SolarGraf
SMBSolar design and proposal software for residential and commercial installers.
Integrated recalculation that propagates roof geometry, shading, and irradiance inputs into linked yield and loss reports in one project.
SolarGraf turns geometric inputs into PV system layout work that can be recalculated under different design constraints. It computes shading impacts and production forecasts using weather data integration and plane-based irradiance modeling, then maps losses across the same design context. Output packages include engineering summaries suitable for internal review and external handoff, rather than only visual dashboards.
A practical tradeoff is that model recalculation can become time-consuming when iterating across many roof planes and component variations. SolarGraf fits best when a team needs consistent design math across multiple projects and wants repeatable exports for permitting and stakeholder review rather than ad hoc one-off sketches.
- +Shading and yield calculations stay linked to the PV layout
- +Loss analysis and production forecast share the same input context
- +Engineering exports support review and downstream documentation
- +Repeatable project workflows reduce rework during iterations
- –Complex roof plane iteration can slow down recalculation cycles
- –External CAD and GIS staging may require extra cleanup work
- –Advanced electrical configuration details need careful constraint setup
- –Scenario comparisons are less streamlined than design iterations
Solar design engineering teams
Iterate roof layouts with shading impacts
Fewer mismatched design revisions
Permitting and plan reviewers
Review engineering-ready design packages
Faster review cycles
Show 2 more scenarios
EPC preconstruction analysts
Run scenario planning for yields
Clearer yield tradeoffs
Compare component and configuration options using production forecast outputs tied to the same site inputs.
Operations and maintenance planners
Create baseline performance expectations
More actionable performance baselines
Use loss breakdown outputs to define expected performance for future monitoring and assessment.
Best for: Fits when design teams need consistent PV layout math with irradiance, shading, and loss outputs for handoffs.
More related reading
Aurora Solar
enterpriseCloud software for solar design, proposals, sales, and project management.
Roof plane mapping that ties imported geometry to layout, shading, and proposal outputs in one revision loop.
Aurora Solar centralizes project setup, PV layout, and production forecast in one workflow, which reduces the number of file handoffs between design and sales teams. Roof plane mapping and CAD import support faster setup than manual re-creation of site geometry. Shading analysis and energy yield estimation are positioned directly inside the design loop so changes propagate into the proposal outputs. Collaboration features support internal review cycles using versioned project iterations instead of exporting new documents for every revision.
A key tradeoff is that deep customization of proposal content and electrical modeling workflows depends on how the account is configured, so teams with unique internal standards may spend more time on configuration. Aurora Solar fits teams that iterate frequently on system sizing and layout during site assessment and proposal generation. It also fits organizations that need consistent production forecast outputs across sales reps and estimators rather than one-off spreadsheet models.
- +Roof plane mapping plus CAD import speeds early PV layout work
- +Shading analysis and energy yield modeling update within the same workflow
- +Proposal outputs stay tied to the design model to reduce mismatch risk
- +Monitoring integration support reduces handoffs after installation
- –Electrical workflow depth can lag specialized design tools on edge cases
- –Workflow configuration can become complex across multiple team templates
- –Some advanced proposal customizations require controlled template setup
- –Large portfolio governance can require process discipline beyond defaults
Residential solar sales teams
Iterate layouts during customer proposal meetings
Faster approvals with fewer revision errors
Estimator and design engineers
Run shading-aware yield estimates per iteration
More defensible production forecasts
Show 2 more scenarios
Solar permitting workflows teams
Generate consistent design outputs for review
Lower rework from reviewer corrections
Design-to-output linkage reduces mismatches between modeled systems and documents.
Operations and monitoring coordinators
Connect installed systems to monitoring
Quicker issue triage after commissioning
Integration support reduces manual mapping from design identifiers to monitoring records.
Best for: Fits when contractor design teams need fast PV layout, shading, and proposal iteration with consistent forecast outputs.
OpenSolar
SMBSolar sales and design software with proposals, system modeling, and installer management.
Built-in review and approval workflow that ties parameter changes to specific project deliverables.
OpenSolar supports a full solar design workflow that ties layout assumptions to output artifacts like proposals and technical documentation. Built-in review steps and role-based access help keep engineering, sales, and operations from editing the same system parameters without oversight. The project structure supports repeatable configurations for similar roof conditions and tariff cases.
A key tradeoff is that deeper automation and custom integrations require stronger process discipline on data preparation before design starts. OpenSolar fits best when teams need consistent deliverables across multiple projects and want integrations to publish results into permitting or monitoring workflows.
- +Design-to-deliverable traceability keeps proposal and engineering assumptions aligned
- +Project collaboration includes review gates that reduce accidental parameter changes
- +Exports support downstream documentation needs for permitting and interconnection packages
- +Configuration controls enable repeatable designs for similar roof and tariff scenarios
- –Custom integration work can require extra engineering to fit existing toolchains
- –Advanced modeling coverage may lag specialized point-solution tools for niche edge cases
- –Complex projects need careful upfront data entry to avoid downstream rework
- –Automation throughput depends on the quality of imported site and pricing inputs
Solar EPC engineering teams
Standardize design deliverables across projects
Fewer design-document mismatches
Solar sales engineering teams
Generate consistent client-facing proposals
Faster proposal turnaround
Show 2 more scenarios
Solar permitting coordinators
Publish package outputs for applications
Reduced reformatting work
Exports help produce technical documentation that can be used in permitting submissions.
Operations and analytics teams
Send design outputs to downstream systems
Cleaner handoff to operations
Integration and export hooks support syncing design assumptions into operational processes.
Best for: Fits when teams need repeatable solar design workflows with controlled collaboration and dependable export outputs.
PVcase
enterpriseSolar design software for utility-scale and commercial photovoltaic projects.
PVcase links roof plane mapping to shading analysis and loss breakdown, then regenerates the full permitting-style output set.
PVcase focuses on photovoltaic design work with a workflow that turns roof context into permitting-oriented deliverables.
The tool handles photovoltaic layout generation, shading and irradiance-driven energy yield estimation, and loss analysis tied to system configuration.
PVcase also supports electrical work products like single-line diagram exports and string and inverter sizing guidance.
Automation is driven through import and configuration steps that connect site modeling outputs to downstream design reports.
- +Shading and irradiance modeling tied to energy yield and loss outputs
- +Design artifacts include electrical single-line diagram deliverables
- +CAD import supports roof plane mapping for layout creation
- +Configuration steps map site geometry to PV layout and system sizing
- –Advanced electrical edge cases can require manual cleanup after auto-sizing
- –Interconnection and utility rate modeling depth depends on workflow configuration
- –Weather and planning data inputs need consistent setup discipline
- –Automation coverage is strong for design artifacts but lighter for O and M analytics
Best for: Fits when project teams need repeatable PV layout plus shading yield reports with exportable electrical diagrams.
HOMER Pro
vertical specialistMicrogrid and hybrid energy system modeling software with PV and storage analysis.
Hybrid system dispatch simulation that combines PV generation, battery cycling, and grid interaction for scenario comparison.
HOMER Pro models hybrid and grid-connected solar system configurations using monthly simulation to estimate energy production and operating costs. It supports photovoltaic layout inputs, component sizing, and loss-driven energy yield outputs that feed downstream design artifacts like electrical single-line diagrams.
The software also incorporates battery storage modeling and dispatch logic to evaluate battery cycling, self-consumption, and unmet load. HOMER Pro adds workflow support for project setup, scenario runs, and results export for permitting-grade reporting.
- +Monthly dispatch simulation for PV plus battery and grid-connected hybrid designs
- +Scenario-driven optimization across component sizes with comparable outputs
- +Photovoltaic modeling inputs that map layouts to energy yield and losses
- +Outputs designed for engineering review and permitting-oriented documentation
- –CAD-based roof plane mapping and PV layout automation are limited compared with BIM-first tools
- –Scenario management grows complex as the number of configurations increases
- –Granular plane-of-array irradiance workflows require more manual setup
- –Automation and API access are not a primary strength for external integrations
Best for: Fits when monthly hybrid energy studies need PV and battery sizing with dispatch-ready results for engineering review.
RatedPower
enterpriseCloud software for automated utility-scale solar plant design and optimization.
RatedPower couples roof plane mapping with downstream engineering checks so layout edits propagate into permitting-ready outputs.
RatedPower targets utility-scale and commercial PV design teams that need end-to-end workflow coverage from roof plane mapping to electrical layout outputs. The software focuses on production-oriented design and engineering automation, including layout validation and energy yield reporting inputs for downstream studies.
RatedPower’s differentiation is the tight coupling between PV layout planning and engineering outputs for permitting and interconnection packages. Its value is strongest when CAD-style geometry imports and design iteration cadence matter more than generic diagram drawing.
- +Automates PV design iterations with engineering checks tied to layout changes
- +Produces design outputs useful for permitting and interconnection documentation workflows
- +Supports geometry-driven workflows to reduce manual rework across design cycles
- +Enables repeatable modeling runs for site assessment and yield reporting
- –CAD geometry import quality can materially affect layout mapping outcomes
- –Workflow depth can increase training time for teams used to simpler tools
- –Automation coverage varies across edge-case electrical design scenarios
- –External integrations can require dedicated engineering effort
Best for: Fits when commercial PV teams need automation that links roof mapping, electrical design outputs, and yield reporting.
Energy Toolbase
vertical specialistSolar and storage modeling software for proposals, financial analysis, and project control.
Configurable study workflow that carries modeling assumptions from layout through forecast outputs, enabling controlled iteration across revisions.
Energy Toolbase centers solar system design around a configurable calculation and project workflow rather than a read-only viewer. It supports photovoltaic layout work with room for shading and energy yield estimation steps, then carries those assumptions forward into loss analysis and production forecast outputs.
The toolbase approach fits teams that need repeatable engineering studies with consistent inputs across projects. Automation is oriented around using imported asset and location data to reduce manual reentry during site assessment and model updates.
- +Project workflow keeps assumptions consistent from layout to forecast
- +Solar modeling supports shading and loss analysis steps in one study
- +Import-based inputs reduce repeated data entry for common sites
- +Exports fit engineering review cycles for single-project handoffs
- –Advanced electrical design depth is thinner than dedicated PV engineering suites
- –API and automation surface is not clearly documented for bulk provisioning
- –Shading analysis coverage can require careful input cleanup
- –Model edits may be slower for large, high-cardinality roof layouts
Best for: Fits when engineering teams need repeatable PV studies with controlled workflow and manageable manual effort.
Scanifly
vertical specialistSolar software for remote site surveys, 3D modeling, design, and field data.
Roof plane mapping that translates imported geometry into a structured layout foundation for shading and production forecast generation.
Scanifly is solar system design software focused on PV layout workflow outputs that can support downstream electrical and permitting steps. It emphasizes importing CAD-like geometry inputs, mapping roof plane structure, and running shading and yield modeling to generate production forecasts.
Scanifly also targets repeatable project configuration so teams can standardize module placement assumptions and energy-loss handling across sites. For operations handoff, it produces design artifacts suitable for review cycles rather than only high-level estimates.
- +Exports design outputs that support permitting-style review workflows
- +Shading analysis and energy yield estimation align with project handoff needs
- +Roof plane mapping works well for standard roof geometries
- +Repeatable project configuration supports multi-site consistency
- –CAD import can require cleanup before roof plane mapping is accurate
- –Electrical single-line diagram coverage can lag more design-suite-centric tools
- –Advanced rate modeling needs more manual configuration than expected
- –Automation and API surface is not as developed as for design-led ecosystems
Best for: Fits when solar teams need repeatable roof layout modeling with shading and yield forecasts for permitting workflows.
PV*SOL
vertical specialistPhotovoltaic planning software for system design, simulation, and project documentation.
The PV*SOL design workflow keeps shading and loss assumptions linked to photovoltaic layout edits.
PV*SOL performs photovoltaic system design that combines roof and electrical layout with irradiance and loss modeling to generate yield estimates and production forecasts. The workflow covers photovoltaic layout creation, shading and loss analysis, and electrical single-line diagram based string and inverter sizing.
PV*SOL also supports battery storage modeling and hybrid system design so designs can be compared on annual energy output and operational scenarios. Integration for data inputs like weather and CAD-based roof geometry supports faster iteration between site assessment and final system results.
- +Yield estimation includes shading and loss breakdown tied to layout edits.
- +Battery storage modeling supports hybrid energy yield scenario comparisons.
- +Electrical single-line diagrams connect sizing outputs to design results.
- +CAD import and roof mapping speed up site geometry setup.
- –Automation and API access for external workflow orchestration is limited.
- –Complex roof geometries can require manual cleanup after import.
- –Advanced assumptions for tariffs and grid constraints need careful setup.
- –Remote monitoring and SCADA data ingestion is not a core design input path.
Best for: Fits when engineering teams need detailed PV layout, shading, and yield outputs from a repeatable desktop workflow.
SMA Sunny Design
vertical specialistOnline software for designing and simulating photovoltaic systems with SMA equipment.
Project documentation and sizing outputs stay tightly coupled to SMA inverter and component configuration during the same design workflow.
SMA Sunny Design is an SMA-focused solar system design tool used to create PV layouts, size components, and generate design documentation for projects targeting SMA equipment. The workflow centers on PV module and inverter configuration with attention to wiring-level outcomes like stringing, DC to AC checks, and plan-view placement.
Sunny Design also supports shading and energy yield estimation using project inputs such as site settings and geometry to drive loss-aware production figures. For teams that standardize on SMA hardware and want design-to-document handoff, it provides a narrower but tighter fit than vendor-neutral CAD and simulation stacks.
- +Tight SMA component workflow for inverter and module configuration outputs
- +String sizing and DC to AC checks reduce common design inconsistencies
- +Plan-view roof mapping supports clear photovoltaic layout documentation
- +Yield estimation incorporates layout losses based on project inputs
- –Limited to SMA-aligned design paths rather than full vendor-agnostic modeling
- –CAD and GIS import depth can lag specialist roof and permitting tools
- –API and external automation support are not a primary design-center capability
- –Advanced engineering reporting formats may require manual customization
Best for: Fits when SMA hardware standardization matters and design teams need consistent layout, sizing, and yield outputs.
Conclusion
After evaluating 10 utilities power, SolarGraf stands out as our overall top pick — it scored highest across our combined criteria of features, ease of use, and value, which is why it sits at #1 in the rankings above.
Use the comparison table and detailed reviews above to validate the fit against your own requirements before committing to a tool.
How to Choose the Right solar system software
Solar system software in this guide covers design, layout-to-yield modeling, shading and loss analysis, and permitting-style deliverable generation across SolarGraf, Aurora Solar, and OpenSolar. The included tools span teams that need tight roof-plane revision loops and linked forecast outputs, plus teams that need collaboration controls and deliverable traceability from parameter edits.
SolarGraf and Aurora Solar focus on propagating roof geometry and roof plane mapping changes into shading, irradiance, yield, and loss reports. OpenSolar and PVcase add workflow governance or regeneration of permitting-style output sets tied to review and deliverable exports.
Solar system software for PV layout, shading analysis, energy yield, and permitting deliverables
Solar system software is used to convert roof geometry or CAD and GIS inputs into photovoltaic layout decisions, then compute shading effects, energy yield estimation, and loss breakdown outputs tied to those same layout assumptions. Most tools in this category support a revision loop where layout edits update connected reporting, which is the core differentiator between SolarGraf and Aurora Solar in how recalculation stays linked across geometry, shading, and irradiance. SolarGraf focuses on integrated recalculation that propagates roof geometry, shading, and irradiance inputs into linked yield and loss reports within one project.
Aurora Solar emphasizes roof plane mapping that ties imported geometry to layout, shading analysis, and proposal output updates in the same iteration loop. OpenSolar then adds built-in review and approval workflow so parameter changes connect to specific project deliverables during collaboration.
Solar software capabilities that drive revision loops, outputs, and traceability
Solar system software earns value when roof-plane mapping edits propagate into shading, irradiance, yield, and loss outputs without breaking context. SolarGraf and Aurora Solar both focus on keeping roof geometry, shading, and energy modeling tied to the same iteration loop.
Teams also need workflow features that prevent accidental parameter drift between layout assumptions and deliverables. OpenSolar adds built-in review and approval gates that tie parameter changes to specific project deliverables.
Linked roof-plane mapping to shading, irradiance, and yield outputs
SolarGraf integrates recalculation so roof geometry, shading, and irradiance inputs update linked yield and loss reports within one project. Aurora Solar uses roof plane mapping tied to imported geometry so shading analysis and energy yield modeling update in the same workflow revision loop.
Permitting-style deliverable regeneration tied to layout changes
PVcase links roof plane mapping to shading analysis and loss breakdown, then regenerates the permitting-style output set. RatedPower couples roof plane mapping with downstream engineering checks so layout edits propagate into permitting-ready engineering outputs.
Design workflow governance with deliverable traceability
OpenSolar includes a built-in review and approval workflow that connects parameter changes to specific project deliverables. OpenSolar also reduces accidental parameter changes by placing review gates inside the collaboration process.
Scenario modeling for PV plus battery dispatch and hybrid designs
HOMER Pro runs hybrid system dispatch simulation that combines PV generation, battery cycling, and grid interaction for scenario comparison. PV*SOL also supports battery storage modeling for hybrid energy yield scenario comparisons when layout edits need to stay linked to shading and loss assumptions.
Study workflows that carry modeling assumptions from layout to forecast
Energy Toolbase uses a configurable study workflow that carries modeling assumptions from layout through forecast outputs for controlled iteration. This workflow keeps assumptions consistent from layout into shading and loss analysis steps that feed forecast results.
Export-ready layout foundations for permitting handoffs
Scanifly translates imported geometry into a structured layout foundation that feeds shading and production forecast generation. Scanifly exports design outputs that support permitting-style review workflows when roof-plane modeling must match handoff needs.
How to choose solar system software by iteration loop, engineering depth, and control surface
Solar teams should start with how the tool handles the revision loop between roof mapping and downstream modeling outputs. SolarGraf and Aurora Solar optimize for a single linked revision path from geometry into shading, irradiance, yield, and loss reporting.
Teams should then choose the control surface that matches their collaboration model. OpenSolar enforces review gates and deliverable traceability for parameter changes, while other tools emphasize output generation or study workflows with more manual governance responsibility.
Pick the revision-loop style: integrated project recalculation vs mapped revision updates
Choose SolarGraf when the team needs integrated recalculation that propagates roof geometry, shading, and irradiance into linked yield and loss reports in one project. Choose Aurora Solar when roof plane mapping must tie imported geometry to layout, shading analysis, and proposal output updates inside the same iteration loop.
Decide whether deliverable governance is built-in or managed externally
Choose OpenSolar when the team needs a built-in review and approval workflow that ties parameter changes to specific project deliverables. Choose SolarGraf, PVcase, or RatedPower when the primary requirement is output generation and engineering propagation rather than review-gate controls.
Match engineering output depth to workflow complexity
Choose PVcase when the team needs roof-plane mapping linked to shading and loss breakdown plus design artifacts that include electrical single-line diagram deliverables. Choose RatedPower when automation must link layout edits into engineering checks useful for permitting and interconnection documentation workflows.
Select the modeling scope based on whether dispatch simulation is required
Choose HOMER Pro when monthly hybrid energy studies require PV plus battery dispatch simulation with grid interaction for scenario comparison. Choose PV*SOL when shading and loss assumptions must stay linked to photovoltaic layout edits while battery storage modeling supports hybrid energy yield scenario comparisons.
Choose the study workflow level based on how repeatable the assumption pipeline must be
Choose Energy Toolbase when engineering teams need a configurable study workflow that carries modeling assumptions from layout into forecast outputs with controlled iteration. Choose Scanifly when the priority is structured layout foundation exports that feed permitting-style shading and production forecast generation.
Who solar system software is built for and which tools fit specific team shapes
Solar system software fits teams that must convert roof geometry or CAD and GIS inputs into PV layouts and then keep shading, irradiance, yield, and loss computations consistent with those same layouts. The best fit depends on whether the team is optimizing for linked iteration speed, deliverable governance, or hybrid dispatch modeling.
SolarGraf and Aurora Solar target contractor design teams that need consistent PV layout math through the same revision loop. OpenSolar targets collaboration models where design parameter changes must connect to deliverables through review gates.
PV design teams that iterate roof-plane layouts many times per project
SolarGraf fits teams that need integrated recalculation to propagate roof geometry, shading, and irradiance into linked yield and loss reports during frequent layout revisions. Aurora Solar fits teams that need fast roof plane mapping with shading and proposal output updates in one revision loop.
Commercial PV workflows that require permitting and interconnection documentation outputs
PVcase fits projects where permitting-style output sets must regenerate from roof mapping and shading and loss breakdowns, including electrical single-line diagram deliverables. RatedPower fits when automation must produce permitting and interconnection documentation workflows tied to layout edits.
Teams that need controlled collaboration with change traceability
OpenSolar fits when review and approval gates must tie parameter changes to specific project deliverables so collaboration reduces accidental parameter drift. Energy Toolbase fits when assumption consistency from layout to forecast must be controlled through study workflow configuration.
Engineering groups running hybrid PV plus battery scenario studies
HOMER Pro fits monthly dispatch simulation needs with battery cycling and grid interaction for scenario comparison. PV*SOL fits desktop-style hybrid energy yield studies where battery storage modeling stays linked to shading and loss assumptions driven by photovoltaic layout edits.
Solar teams focused on repeatable roof layout foundations for permitting handoffs
Scanifly fits when imported geometry must translate into a structured layout foundation that supports shading analysis and production forecast generation for permitting-style review workflows. PVcase also fits when those handoffs require regenerated permitting-style deliverables tied to layout mapping.
Common buying and implementation mistakes for solar system software
Solar teams often misjudge how much geometry work is needed before roof-plane mapping becomes accurate. Cleanup steps and iteration cycle time can shift depending on CAD and GIS import quality and on how the tool recomputes linked reports.
Teams also commonly overestimate electrical workflow coverage when the project needs advanced edge-case handling. Several tools prioritize linked layout-to-yield workflows, so teams should verify whether electrical edge cases and interconnection modeling depth match project requirements.
Underestimating how roof geometry iteration affects recalculation cycle time
SolarGraf can slow down when roof plane iteration must run through complex geometry recalculation cycles. Validate the expected iteration speed on sample roof imports before standardizing the workflow.
Assuming electrical edge-case coverage matches layout-to-yield strengths
Aurora Solar can lag specialized design tools on electrical workflow depth for edge cases, even when shading and yield updates stay linked. PVcase may require manual cleanup after auto-sizing when advanced electrical edge cases appear.
Buying without a plan for governance between parameter edits and deliverables
OpenSolar includes review and approval workflow ties between parameter changes and deliverables, which reduces accidental changes in collaboration. Tools without built-in review gates can push governance responsibility onto templates and process controls.
Choosing hybrid modeling tools that do not match the required simulation outputs
HOMER Pro focuses on monthly dispatch simulation with PV generation, battery cycling, and grid interaction for scenario comparison. PV*SOL and other layout-first tools may support hybrid yield scenario comparisons but do not target the same dispatch simulation depth.
Ignoring geometry import quality as a determinant of mapping correctness
RatedPower notes that CAD geometry import quality can materially affect layout mapping outcomes. Scanifly also flags CAD import cleanup as needed to make roof plane mapping accurate for shading and production forecast generation.
How We Selected and Ranked These Tools
We evaluated SolarGraf, Aurora Solar, and the other included tools on feature coverage that supports linked roof mapping into shading, irradiance, yield, and loss outputs at 40% weight, and on workflow ease from roof import through deliverable generation at 30% weight. We weighted value at 30% based on how many core PV workflow outputs the tool produces from the same iteration context without forcing external steps. SolarGraf ranked highest because its integrated recalculation propagates roof geometry, shading, and irradiance into linked yield and loss reports within one project so downstream reporting stays consistent as layouts change.
Frequently Asked Questions About solar system software
How do SolarGraf and PVcase handle recalculation when roof geometry or layout inputs change?
What integration and data export steps matter most for moving from PV design to permitting and operations workflows?
Which tools support controlled multi-user collaboration for design, quoting, and review work?
What breaks if a workflow separates PV layout edits from yield and loss assumptions?
How does Aurora Solar’s roof plane mapping differ from design workflows that focus on output generation alone?
How do HOMER Pro and PV*SOL model battery storage impact on system performance?
When is monthly simulation a practical tradeoff compared with design workflows that use irradiance and layout-linked shading modeling?
Which tool is better suited for CAD-like roof geometry imports and roof plane structure mapping?
What admin controls and auditability expectations should be checked before adopting a solar design workflow system?
Where does SMA Sunny Design fall short compared with vendor-neutral design stacks for broader equipment support?
Tools reviewed
Primary sources checked during evaluation.
Referenced in the comparison table and product reviews above.
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