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Getting Started
  • What GridGap Is And Is Not
  • How To Create Your First Project
  • Projects, Versions, And Scenarios Explained
Using The Calculator
  • How To Add Appliances And Usage Data
  • How To Create A Battery + Inverter Scenario
  • How To Create A Solar + Battery + Inverter Scenario
  • When To Use Calculate Vs Create New Version
User-Type Guides
  • GridGap For Homeowners
  • GridGap For Installers
  • GridGap For RV Users
  • GridGap For Boat And Shore Power Users
  • GridGap For Small Business And Workshop Planning
  • GridGap For Business Workspaces
  • Moving From Personal To A Business Workspace
  • How To Import Personal Projects Into A Workspace
Inputs And Assumptions
  • Battery Inputs Explained
  • Inverter And Charging Inputs Explained
  • Solar Inputs Explained
Results
  • How To Read The Results Page
  • Understanding Warnings
  • How Battery Sizing Works In GridGap
  • How Inverter Sizing Works In GridGap
  • How Charging Works In GridGap
  • How Solar Sizing Works In GridGap
  • How Solar Controller Results Work
  • Advisory Solar String Guidance Explained
  • Installation Guidance Explained
Equipment Check
  • How To Compare Equipment Using Equipment Check
  • Equipment Check Statuses Explained
Reports And Exports
  • How PDF Export Works
  • How Branded Reports Work
  • How Data Export Works
Plans And Billing
  • Plans And Subscription Differences
  • How Billing, Renewals, And Cancellations Work
Troubleshooting
  • Troubleshooting: Awaiting Calculation
  • Troubleshooting: Scenario Details Are Invalid
  • Troubleshooting: The Project Could Not Be Calculated
  • Troubleshooting: Why Is A Feature Locked
  • Troubleshooting: Why Did My Version Number Change
  • Troubleshooting: Why Did My Panel Count Increase
  • Troubleshooting: Social Login Problems
  • Troubleshooting: Email Verification Problems
  • Troubleshooting: Password Reset Problems
  • Troubleshooting: Invitation Acceptance Problems
  • Troubleshooting: Billing And Subscription Confusion
  • Troubleshooting: Workspace Seat Or Role Issues
  • Troubleshooting: Export And Report Problems
  • Troubleshooting: Renewal Rights And Billing Notices
  • Troubleshooting: How To Get Support
Glossary
  • Essential Solar And Backup Terms
Reference
  • Known Limitations Of GridGap
  • How GridGap Calculates At A High Level
ReferenceCalculation Flow

How GridGap Calculates At A High Level

The app follows a structured backend-driven flow so that results are derived consistently and stored per version.

Calculation flow

At a high level, GridGap works from loads to energy demand, then into battery requirement, battery-bank interpretation, inverter sizing, charger sizing, warnings, and stored results.

Solar branch

For solar-hybrid scenarios, the solar branch adds day-load support, battery-recharge burden, sun-hour assumptions, cloud effects, panel count logic, advisory string guidance, and MPPT-related outputs.

Results and versions

Results are stored per version and per scenario. Calculate refreshes the currently opened version in place. Create New Version is the separate branching step when you want to preserve the current version and work from a new copy, a new empty version, or a changed scenario type.

Related articles

Projects, Versions, And Scenarios Explained

See how the stored-result model shows up in the user workflow.

How Solar Sizing Works In GridGap

See one branch of the high-level flow in more detail.

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GridGap provides indicative solar and backup-power sizing estimates only. It is not a final engineering design, wiring design, procurement specification, or safety certification.

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