# Leaf Automation

> Leaf is a drafting automation plugin for AutoCAD that automates solar construction document production. It places strings with voltage window compliance, routes homeruns with K-means optimization, exports circuit and cable lengths to CSV, generates tags, and imports SolarEdge Designer PDFs. Built for commercial and industrial solar EPCs, engineering firms, and subcontractors. $299/mo per daily active user, averaged monthly. No seat limits. 14-day free trial.

Leaf does the drafting. You do the engineering. It automates the drafting and shows its arithmetic; the engineer sets the inputs, checks the output, and stamps the set. AutoCAD 2018-2026 on Windows.

## What Leaf Does

- Automatic solar panel stringing with NEC voltage window compliance
- Homerun routing with K-means optimization from string endpoints to inverters/combiners
- NEC cable sizing on homerun and feeder runs: conductor gauge, derated ampacity, voltage drop, parallel runs
- Circuit and cable length export to CSV for downstream engineering analysis
- Equipment, inverter, string, homerun, and feeder schedule tables inserted into the drawing
- Tag generation on construction drawings
- Site terrain import, slope review, pad grading with cut and fill volumes, and access road layout
- Single-axis tracker row layout, near-shading simulation, and tracker bill of materials
- Project economics through NREL REopt (payback, NPV, IRR, lifecycle cost)
- SolarEdge Designer PDF import into AutoCAD-ready format (no other tool does this)
- Support for SolarEdge optimizers, Enphase microinverters, and string inverters

Full command reference: https://www.leafautomation.ai/docs/commands

## What Leaf Does NOT Do

Leaf does not replace the engineer of record. It produces drafting objects and cited intermediate calculations that a licensed engineer reviews, corrects, and stamps. Leaf does not:

- Produce permit packages, single-line diagrams, or a stamped drawing set
- Perform structural load analysis or PE review
- Certify any output as code-compliant
- Decide anything the engineer is accountable for

Every sizing decision Leaf makes reports the inputs it used — run length, current, voltage — alongside the result, so the engineer can check the number rather than trust it. Cable sizing does not print a formula or an NEC article beside the result. Leaf's electrical guardrail rules do cite the NEC article, shown on the expanded rule card and in the exported guardrails report.

## Product

- [Product Overview](https://www.leafautomation.ai/product): Features, capabilities, how it works
- [Pricing](https://www.leafautomation.ai/pricing): $299/mo per daily active user, averaged monthly, no seat limits, transparent published pricing
- [Get Started](https://www.leafautomation.ai/get-started): 14-day free trial, no credit card required
- [Demo](https://www.leafautomation.ai/demo): See Leaf in action
- [Leaf Automation Studio](https://www.leafautomation.ai/platform): The hosted authoring surface — type what you need, it authors the CAD tool; run on Leaf or export to AutoCAD. Live release evidence on the page.

## Documentation

- [Getting Started](https://www.leafautomation.ai/docs/getting-started): Installation and first project walkthrough
- [String Solving](https://www.leafautomation.ai/docs/concepts/string-solving): How the string solver algorithm works
- [Homeruns](https://www.leafautomation.ai/docs/concepts/homeruns): Cable routing from strings to inverters
- [Panel Groups](https://www.leafautomation.ai/docs/concepts/panel-groups): How panels are detected and grouped
- [Rooftop Workflow](https://www.leafautomation.ai/docs/workflows/rooftop): Commercial rooftop project workflow
- [Ground Mount Workflow](https://www.leafautomation.ai/docs/workflows/ground-mount): Ground mount project workflow
- [SolarEdge Workflow](https://www.leafautomation.ai/docs/workflows/solaredge): Importing SolarEdge Designer PDFs
- [Troubleshooting](https://www.leafautomation.ai/docs/troubleshooting): Common issues and solutions

## Company

- [About](https://www.leafautomation.ai/about): Founded 2021, Columbus OH, backed by Black & Veatch, UChicago Transform, DOE American-Made
- [Investors](https://www.leafautomation.ai/investors): Investor information
- [FAQ](https://www.leafautomation.ai/faq): Common questions about Leaf
- [Blog](https://www.leafautomation.ai/blog): News and insights

## Optional

- [Contact](https://www.leafautomation.ai/contact)
- [Security](https://www.leafautomation.ai/security)
- [Privacy Policy](https://www.leafautomation.ai/privacy)
- [Terms of Use](https://www.leafautomation.ai/terms)