Dynamo Script - Electrical Inventory for Revit MEP

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This Dynamo script (v1.7.0) generates detailed Excel and CSV reports for electrical inventories in Revit MEP projects, covering receptacles, lighting fixtures, equipment, conduits, cable trays, and wiring. It’s ideal for MEP engineers and project managers streamlining inventory workflows.
  • Digital Download
  • Revit Version: 2023
  • Dynamo Build: 2.17
  • Created by: Alfonso Davila

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Educational Use
Products labeled "Educational Use" are exclusively for student use in academic settings. These products are intended to support educational development and must not be employed for any commercial purposes.

Commercial Use
With the purchase of a Commercial Use License, you are authorized to use the product in commercial projects without the need to attribute RD Studio. However, the standard prohibitions on reproduction, distribution, and resale, as detailed in the "Strictly Forbidden" section, remain applicable.

University Multi-User License
The University Multi-User License is tailored for educational institutions, allowing up to 30 users, including students and teachers, to use our products for academic purposes. This license facilitates the use of our products in educational environments, such as classroom learning, academic research, and student projects. Redistribution or commercial use of these products under this license is not allowed.

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You are not allowed to reproduce, distribute, copy or sell the contents of RD Studio at any circumstances. Products can’t be sold without being part of a bigger project or work combining RD Studio digital products with other graphics, modeling or digital elements. Also, you are not allowed to use products from RD Studio in similar or any competing services.

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To unzip a ZIP folder, right-click to select Extract Here.

How to Install Dynamo Scripts

1. Open Revit
2. From the Manage Tab > Dynamo
3. From Dynamo click File > Open and choose the dyn. file
4. To Run the script click on the Run button

For more information please visit our download and install instructions page.

Revit Dynamo script:  Electrical Inventory for Revit MEP

This Dynamo script (v1.7.0) generates detailed Excel and CSV reports for electrical inventories in Revit MEP projects, covering receptacles, lighting fixtures, equipment, conduits, cable trays, and wiring. It’s ideal for MEP engineers and project managers streamlining inventory workflows.

Key Features:

 

  • Collects data for receptacles, lighting, equipment, conduits, cable trays, and wiring. 
  • Outputs formatted Excel reports with per-category sheets and a summary sheet. 
  • Generates CSV reports for compatibility with external tools. 
  • Includes parameter validation (e.g., Family Name, Length) with error logging. 
  • Displays results via a Revit MessageBox for quick verification. 

Inputs Required:

  • Element Selection: None (automatically collects OST_Receptacles, OST_LightingFixtures, OST_ElectricalEquipment, OST_Conduit, OST_CableTray, OST_ElectricalCircuit).  
  • Naming Conventions: None.  
  • Template Application: None.  
  • Geometric Parameters: None.  
  • Randomization Controls: None.  
  • Color and Material Settings: None.  
  • Level or Height Information: None. 

Outputs Generated:

  • Excel report (`Electrical_Inventory_[timestamp].xlsx`) with sheets for each category (Family Name, Type, Element ID, Quantity, Dimensions, Length) and a summary sheet.  
  • CSV report (`Electrical_Inventory_[timestamp].csv`) with all inventory data.  
  • Log file (`RevitScriptLog_[timestamp].txt`) with processing details and errors.  
  • Revit MessageBox summarizing element counts and output locations. 

Instructions:

  1. Open Revit 2023–2025 with electrical elements modeled.  
  2. Launch Dynamo 2.17+; install openpyxl 3.0.10 (pip install openpyxl).  
  3. Add Python Script node, load `Electrical_Inventory_v7_grok_working.py`.  
  4. Run the script (no inputs required).  
  5. Check Desktop for Excel, CSV, and log files; review MessageBox output.

Notes:

  • Ensure IronPython Lib path is accessible (e.g., C:\Program Files (x86)\IronPython 2.7\Lib).  
  • Requires openpyxl for Excel output; CSV is fallback if unavailable.  
  • Contact davila.alfonso@gmail.com or https://github.com/DynMEP for support.  
  • Single-user license; do not redistribute. Purchased via RD Studio.

Compatibility: Revit 2023, 2024, 2025

Required Dynamo Packages:

This script contains the following custom nodes, so if don't have the packages please install it before using our script:

  • Dynamo 2.17+
  • IronPython 2.7 or CPython 3
  • RevitAPI (included with Revit)
  • RevitServices (included with Dynamo)
  • openpyxl 3.0.10

 


Revit Version: 2023

Dynamo Build: 2.17

Alfonso Davila is a senior electrical engineer with over 20 years of experience in power distribution systems and MEP design. Specializing in Revit MEP and Dynamo automation, he develops NEC-compliant tools to streamline BIM workflows for MEP firms. Proficient in electrical design, load calculations, and NEC compliance, Alfonso ensures safety, efficiency, and compliance. He leads DynMEP Solutions, delivering innovative scripts for Revit users worldwide.

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