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BOM Management System

Create, manage, and track Bill of Materials (BOMs) for your solar projects with comprehensive cost tracking, procurement management, and template-based workflows.

Overview

The BOM (Bill of Materials) Management System is a comprehensive solution for creating, managing, and tracking all materials and components required for your solar projects. It provides detailed cost analysis, procurement tracking, and inventory management capabilities specifically designed for solar EPC projects.

From initial material planning to final procurement and installation, the system ensures accurate cost estimation, proper inventory tracking, and seamless integration with your project workflows.

Key Features

Project BOMs

Create project-specific BOMs with detailed line items, quantities, and cost calculations. Link BOMs directly to your solar projects for accurate material tracking.

BOM Templates

Create reusable BOM templates for different project types. Standardize your material lists and ensure consistency across similar projects.

Cost Management

Automatic cost calculations with GST, taxes, and final amounts. Track material costs, procurement expenses, and project budgets in real-time.

Procurement Tracking

Monitor stock status, purchase orders, and material deliveries. Track procurement progress and ensure timely material availability.

BOM Types & Use Cases

Project BOMs

Project-specific BOMs are created for individual solar projects and contain all materials required for that specific installation.

Key Characteristics:

  • Linked to specific projects
  • Project-specific quantities and requirements
  • Real-time cost tracking
  • Procurement status monitoring

Use Cases:

  • Rooftop solar installations
  • Ground-mounted solar farms
  • Solar pump installations
  • Street lighting projects

BOM Templates

Reusable BOM templates provide standardized material lists for different project types. Create templates once and use them across multiple projects.

Template Benefits:

  • Standardized material lists
  • Consistent project planning
  • Faster BOM creation
  • Knowledge preservation

Template Types:

  • Rooftop Solar (1kW, 5kW, 10kW)
  • Ground Mount Solar (100kW, 1MW)
  • Solar Pump Systems
  • Street Lighting

BOM Structure & Components

Line Items

Each BOM consists of multiple line items representing individual materials, components, or services required for the project. Each line item contains detailed information for procurement and cost tracking.

Required Information:

  • Item name and description
  • Quantity and unit of measurement
  • Unit rate and total cost
  • Manufacturer/brand information
  • Part group categorization

Additional Details:

  • Stock status tracking
  • GST rates and calculations
  • Purchase order quantities
  • Received quantities
  • Item images and specifications

Part Groups

Materials are organized into logical part groups for better organization and cost analysis. Each part group represents a category of related components.

Main Components:

  • • Solar panels
  • • Inverters
  • • Mounting structures
  • • Batteries

Balance of System:

  • • Cables and connectors
  • • Junction boxes
  • • Monitoring systems
  • • Protection devices

Accessories:

  • • Tools and equipment
  • • Safety equipment
  • • Documentation
  • • Installation materials

Cost Management & Calculations

Automatic Cost Calculations

The system automatically calculates costs based on quantity, unit rates, and applicable taxes. All calculations are performed in real-time as you update quantities or rates.

Cost Components:

  • Base Cost: Quantity × Unit Rate
  • GST Amount: Base Cost × GST Rate
  • Final Amount: Base Cost + GST

GST Rates:

  • 0% - Exempt items
  • 5% - Basic necessities
  • 12% - Standard rate
  • 18% - Standard rate
  • 28% - Luxury items

Cost Analysis & Reporting

Comprehensive cost analysis tools help you understand project expenses, identify cost-saving opportunities, and maintain accurate project budgets.

Cost Breakdown:

  • Total project cost
  • Cost by part group
  • GST breakdown
  • Cost per unit analysis

Budget Tracking:

  • Planned vs actual costs
  • Cost variance analysis
  • Budget alerts and warnings
  • Historical cost trends

Procurement & Inventory Management

Stock Status Management

Track the availability and procurement status of each material to ensure timely project execution and avoid delays due to material shortages.

Stock Status Options:

  • In Stock: Available in inventory
  • Partially Available: Limited quantity
  • Out of Stock: Out of stock
  • Purchase Locally: Source from local vendors

Procurement Tracking:

  • PO raised quantities
  • Received quantities
  • Pending deliveries
  • Procurement progress

Inventory Management

Comprehensive inventory tracking ensures you have the right materials at the right time. Monitor stock levels, track consumption, and plan procurement activities.

Inventory Features:

  • Real-time stock levels
  • Consumption tracking
  • Reorder point alerts
  • Supplier management

Reporting:

  • Stock level reports
  • Procurement status
  • Cost analysis reports
  • Supplier performance

BOM Workflow & Best Practices

1

Create BOM Template

Start by creating BOM templates for different project types. Include all standard materials, quantities, and specifications. This ensures consistency across similar projects.

2

Create Project BOM

Create a project-specific BOM either from scratch or by using a template. Customize quantities and specifications based on project requirements and site conditions.

3

Review & Approve

Review the BOM for accuracy, completeness, and cost reasonableness. Get necessary approvals before proceeding with procurement activities.

4

Procurement Execution

Execute procurement activities based on the approved BOM. Track purchase orders, deliveries, and stock levels to ensure timely material availability.

5

Installation & Tracking

Track material consumption during installation. Update stock levels and monitor actual vs. planned usage for future project planning.

Best Practices

Standardize Material Lists

Create comprehensive BOM templates for different project types. This ensures consistency, reduces errors, and speeds up project planning.

Regular Cost Updates

Keep material costs updated with current market rates. Regular updates ensure accurate project costing and budget planning.

Detailed Specifications

Include detailed specifications, part numbers, and manufacturer information. This helps procurement teams source the correct materials and avoid delays.

Track Procurement Progress

Monitor procurement status regularly to identify potential delays early. Proactive management ensures timely material availability for project execution.

Maintain Inventory Records

Keep accurate inventory records and update stock levels regularly. This helps in planning future projects and avoiding overstocking or shortages.

Next Steps

Now that you understand BOM Management, explore these related features:

Project Setup

Learn how to set up projects and integrate BOMs

Task Management

Discover how BOMs integrate with project tasks

Last updated on November 17, 2025