Distributed Energy Resource (DER) Form Elements

Built-in DER Form Elements

PowerClerk supports three built-in DER Form Elements: the PV System, PV + Battery System, and Energy Storage System. Programs automating processes that include solar, storage, or solar + storage equipment can leverage the built-in form elements to structure their equipment data, simplify data entry, enhance data integrity, and eliminate the need to maintain an equipment list.
 
To add one of the DER Form Elements to a form, drag the element onto a page within the form editor.

Figure 1: PV System & Energy Storage System Elements

 
Once added to a form, an associated Data Field Group will automatically be created to structure the equipment data. When completing the form, applicants will be guided to select their equipment from the drop-down menus and then click calculate to conduct the standard calculations behind each element.

Figure 2: Completed PV System

Figure 3: Completed Energy Storage System

What data is available for each DER Form Element?

The PV System comes with multiple data fields within its data field group. The data field group contains both system level data and equipment level data. See the table below for a description of each data field.
 

 
The PV System form element can be turned into a PV + Battery System form element via the “Show Storage Equipment” property. This can be done upon initially adding the element to a form, or subsequently on the Data Field Groups page. Enabling this property adds additional data fields to the relative data field group, represented by the final 7 fields in the table above. This property cannot be disabled in the relative form element once enabled.

Figure 4: Show Storage Equipment

 
The Energy Storage System form element also contains many data fields within its data field group. It captures both distinct inverter + battery storage configurations along with integrated energy storage systems. A “subsystem” is either the inverter or integrated energy storage system, depending on which the user selected. See the table below for a description of each data field.
 

Equipment Data Source

All equipment data is sourced from the California Energy Commission’s (CEC) approved equipment lists. The CEC updates their equipment list three times a month on the 1st, 11th, and 21st day of the month (or the following business day). The equipment lists in PowerClerk are updated the following business day.

Inverter Filtering

Inverters within the PV form element can be filtered to specific UL1741 certifications. For example, if a process requires equipment to be UL1741 SB certified, inverter filtering can enforce that requirement without needing to explicitly ask for it on the form. Reach out to support to request inverter filtering to be enabled.
 

Figure 5: PV Inverter Filter

PV Element Estimated Production Calculation

The PV system form element returns the results of an estimated production model for the selected equipment, at the associated ZIP code. Using the SolarAnywhere® CprPVForm model, the PV form element calculates an estimated total kWh the system will produce in a typical year. Program Designers select which contact or location form element indicates the physical location of the equipment. For more information on the CprPVForm model, visit the SolarAnywhere support page, or reach out to PowerClerk support.

FAQs

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