Single Line Diagrams On Demand

Our Single Line Diagrams are routinely accepted by AHJs without modification. Beautiful, professional and reliable SLDs at the touch of the button are one of the many features our subscribers enjoy.

All components are labeled and correspond to the table
Electrical properties of PV system components required for basic system calculations.
System properties and basic calculations
Wire/Conduit/OCPD schedule that shows all NEC ampacity calculations
Derated main breaker
Description of Panel Configuration
Maximum DC Voltage calculations

The one-line diagram creation feature and NEC technical report leaves the competition behind in the dust. The level of professionalism delivered will please any electrical inspector or permit review board. SolarDesignTool is perfect for installers looking to better organize their design, permitting, and procurement.

John CromerCommunity.Solar

Supported Designs

  • Residential-sized systems

    Residential-sized systems.

  • Inverter Compatibility

    Single and multi-MPPT string inverters with voltage-regulated optimizers, microinverters and AC modules.

  • Load-Side and Supply-Side interconnections


  • Electrical Properties

    Electrical properties for each electrical component

  • Maximum DC Voltage Calculations

    As is required by many municipalities

  • Electrical Calculations

    Conductor, Conduit, OCPD schedule with NEC electrical calculations


  • Output Formats

    Support for PDF, DXF and DWG

  • Print

    11″ x 17″

Your perfect SLD is a single click away

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Chris GrayGrayC Co. LLC

JP VanierMAX Solar, Inc.

Michael HowellUnited Electric