July 2026

📢 What’s new

New feature

Multiple Module Power Classes with Electrical Design

In June, PVcase Yield introduced the ability to simulate multiple module power classes in a single simulation for layouts without an electrical design. This release extends that capability to layouts that do carry a complete DC electrical design — the "Use from export" path.

When a layout exported from PVcase Ground Mount contains more than one module power class and a DC electrical design, Yield now assigns concrete strings to each power class rather than distributing modules uniformly. This unlocks a materially more accurate simulation: because individual strings are mapped to specific power classes, the model can represent each inverter with its actual string composition.

What changed:

Layouts & electrical page

• Under the Use from export electrical design option, the Module power classes section now lists each detected power class (for example, Module A and Module B) with its own inputs.
   

• Yield shows the number of strings assigned to that power class, along with the layout's total module and string counts for reference.
• As you enter values, the system validates that the module count for each power class resolves to complete strings, and that all modules in the layout are accounted for across the power classes.

Simulation accuracy

Because strings are now mapped to specific power classes, the simulation models the electrical behavior of each inverter with its real string composition. This enables accurate DC-to-AC performance modeling, including mismatch and cabling effects — rather than a plant-level approximation.

Relationship to the June release

• June (layouts without electrical design): module types are assumed to be distributed uniformly across the layout and inverters; results are reported at the whole-plant level.
• July (layouts with electrical design, "Use from export"): strings are assigned to specific power classes, enabling per-inverter electrical modeling and full DC-to-AC accuracy.

Together, these releases mean multiple module power classes are now supported whether or not a layout carries an electrical design.

Enhancements

New configuration view with built-in compatibility checks

The Select and calculate flow now organizes your selections into distinct configurations — each a complete combination of layout, module, inverter, and transformers — giving you a clear view of exactly what will be simulated before you start.

A new Selected configurations view lists every configuration side by side, so you can see each layout · module · inverter · transformers combination at a glance rather than inferring it from the individual selection columns.
 

Compatibility checks are now built into this view. Each configuration is validated as a complete unit, and any incompatibility is flagged inline with a specific reason — for example, when a module's dimensions do not match the uploaded 3D layout.

We believe these enhancements will significantly improve your simulation experience and provide more robust options for modeling and analysis.