Yes
Run the math for free and save it inside the portal once you have an account.
Online load calculator
Start with the load calculator. Escalate only when the project truly needs engineering.
Use the calculator to establish service demand, preserve the run inside the portal, and export a formal report when AHJ or utility review requires proof. When the project pushes beyond the calculator, move directly into engineering support without starting over.
Run calculations for free, export documented results when needed, and move directly into engineering support when constraints become permit scope.
$25
Credit-based export for the AHJ-ready report package.
$50/mo
Unlock premium NEC features and broader access for repeat use.
Move from calculator results into engineering support when stamped deliverables or revision help are needed.
Access model
The calculator is free to run. Documentation and deeper support are priced separately on purpose.
The goal is not to hide the tool behind a paywall. The goal is to keep the calculation accessible while making export, premium code paths, and engineering support intentional.
0
Run calculations for free. The account exists to preserve the work, not to gate the math.
$25
PDF export uses credits so documented reports remain a deliberate deliverable instead of throwaway output.
$50/mo
Pro unlocks all NEC versions, panel types, calculation methods, and bundled export access.
When the job needs stamped deliverables, revision support, or deeper scope review, the engineering team can pick up the same constraint trail.
What this solves
A calculator built for real projects, not one-time estimates.
Save work, return to prior runs, export when documented proof is needed, and keep the next step clear when the calculator is no longer enough.
Constraint-first workflow
Define the electrical constraint before equipment decisions lock in so the result remains defensible.
Saved runs
Saved runs, export history, and billing state stay attached to the same portal account for repeat use.
NEC-aware output
Use current code paths with detailed reference material available based on your access level.
Panel schedule handoff
Use the calculator as a starting point, then convert into a broader panel schedule when needed.
How it works
A four-step process from constraint modeling to engineering support.
01
Define panel and service constraints
Enter service rating, panel details, dwelling conditions, and connected loads before design assumptions harden.
02
Run the NEC path
Model the load with code-based logic, then review the recommendation before taking it into permitting or field decisions.
03
Export when documentation matters
Generate the formal PDF report when AHJ, utility, or internal review requires traceable output.
04
Bring in engineering when more support is needed
If comments, stamped deliverables, or deeper engineering work appear, move directly into engineering support.
Questions
What teams usually want to know before they rely on the tool.
Which NEC editions are supported?+
The calculator supports NEC 2017, 2020, and 2023. Access to all versions depends on your current subscription level.
What happens if AHJ comments come back?+
Send the comments. We can help map revisions and move the project into full engineering support when the calculator is no longer enough.
Does the calculator include engineering stamps?+
No. Stamps and full plan-set engineering are separate services. The calculator is the documented starting point, not the stamped endpoint.
Do I need a subscription?+
No. You can run calculations for free and purchase export credits as needed. Pro exists for repeat users and broader tool access.
Next step
Use the calculator when the job needs documented results. Bring in engineering when the job needs deeper support.
Start with the load calculator inside the portal, then move directly into the engineering team when comments, stamps, or broader plan-set support become the real bottleneck.