Creating solar and battery designs in Solargraf is a straightforward process. Here's a quick guide to common design setups, from simple PV systems to complex full-home backups.

The Electrical Design Tool (EDT) in Solargraf is a robust feature that assists users in creating electrical circuits, placing components, and generating professional single-line diagrams (SLDs). The tool is designed to guide users in creating electrically valid circuits, with built-in checks and balances to prevent errors and ensure accurate designs.

PV-Only Designs

Solargraf supports Enphase microinverter designs using the IQ Combiner 5/5C and IQ Combiner 6C:

1. From the Electrical Design tab, add a combiner box onto your design.
2. The IQ Combiner 5/5C will be automatically selected. If you need the IQ Combiner 6C, simply choose it from the dropdown menu in the properties section.
3. Add the main panel box and ensure all components are connected.
4. Complete the circuit design and generate the single-line diagram (SLD).

Electrical design - Select AC combiner box model.

PV and Battery Designs

Grid-Tied Mode

This mode supports PV and battery designs for grid-tied systems.

1. On the Battery Design tab, toggle On the grid-tied mode.
2. Select the battery you want to use.
3. On the Electrical Design tab, add a combiner box. The Connect battery option will be enabled by default.
4. If needed, enable a battery disconnect.
5. Place the main panel box and connect all components.
6. Complete the circuit design and generate the SLD.

Electrical design - Battery disconnect option.

SLD - PV + Battery design in Grid-tied mode.

Full Home Backup with IQ Meter Collar

To generate SLD for full-home backup systems using an IQ Meter Collar.

1. On the Electrical Design tab, place the main service panel box.
2. Under its properties, the "IQ meter collar integrated with utility meter" will be selected automatically.
3. If needed, you can choose "IQ meter collar integrated with discrete meter pan" from the dropdown.
4. Connect all components, complete the circuit design, and generate the SLD.

Electrical design - Select Enphase energy system configuration option.

SLD - PV + Battery design in full home backup mode using IQ meter collar.

Partial Home Backup with IQ Meter Collar

To generate SLD for partial-home backup systems with an IQ Meter Collar integrated with a discrete meter pan.

1. On the Electrical Design tab, place a sub-panel box.
2. If the sub-panel has a main breaker, toggle On the main breaker option in the properties section and enter the breaker rating. If it doesn't have a main breaker, provide the panel load rating.
3. The "IQ meter collar integrated with discrete meter pan" will be automatically selected.
4. Place the main service panel, connect all components, and complete the design to generate the SLD.

Electrical design - Place sub panel box.

Electrical design - Sub panel box properties.

SLD - PV + Battery design in partial home backup mode using IQ meter collar integrated with discrete meter pan.

Using the IQ System Controller 3/3G/3M

To generate SLD for for full-home backup designs using the IQ System Controller 3/3G/3M.

1. On the Electrical Design tab, place the main panel box.
2. In the properties section of the main service panel, toggle On the Connect battery option.
3. Enable a battery disconnect if needed.
4. Choose the appropriate system controller configuration from the dropdown menu of Enphase energy system configuration field .
5. Connect all components, complete the circuit design, and generate the SLD.

Electrical design - main service box properties.

SLD - PV + Battery design using IQ System controller.

Specialized Designs

Line side connection

To generate SLD with line side connection interconnection method:

1. On the Electrical Design tab, place a main service panel box.
2. In the properties section, select Line-side connection option under Tie-in field.
3. Connect all components, complete the circuit design, and generate the SLD.

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