Cost Reduction Calculation Model of Mobile Energy Storage in Smart Construction Sites

Abstract

The construction industry is undergoing a digital transformation, with smart construction sites becoming a focal point. Integrating mobile energy storage systems (MESS) into these sites offers significant potential for cost reduction and operational efficiency. This white paper presents a comprehensive model for calculating cost savings achieved through the deployment of MESS in smart construction environments.

1. Introduction

The advent of smart construction sites has introduced advanced technologies such as Building Information Modeling (BIM), Internet of Things (IoT), and artificial intelligence (AI) to enhance construction processes. Among these innovations, MESS plays a pivotal role in optimizing energy consumption, reducing reliance on traditional power sources, and contributing to sustainability goals.

2. Understanding Mobile Energy Storage Systems (MESS)

MESS are portable units designed to store and supply electrical energy on-demand. In construction sites, they can power equipment, tools, and lighting, thereby reducing the need for diesel generators and minimizing fuel costs.

3. Cost Components in Smart Construction Sites

Key cost components in smart construction sites include:

• Energy Costs: Expenses related to electricity consumption for construction activities.
• Equipment Operation Costs: Costs associated with running construction machinery and tools.
• Maintenance Costs: Expenses for maintaining and repairing equipment and infrastructure.
• Environmental Compliance Costs: Costs incurred to meet environmental regulations, including emissions and waste management.

4. Cost Reduction Mechanisms through MESS

Integrating MESS can lead to cost reductions through:

• Reduced Energy Expenses: By utilizing stored energy, construction sites can decrease dependence on grid electricity and fuel-powered generators.
• Lower Equipment Operation Costs: MESS can provide stable power, enhancing the efficiency and lifespan of construction equipment.
• Decreased Maintenance Costs: With fewer diesel generators in operation, maintenance requirements and associated costs are reduced.
• Enhanced Environmental Compliance: Utilizing MESS reduces emissions, potentially lowering costs related to environmental compliance and penalties.

5. Calculation Model for Cost Savings

The cost savings from deploying MESS can be calculated using the following formula:

Total Cost Savings = (Energy Cost Savings) + (Equipment Operation Cost Savings) + (Maintenance Cost Savings) + (Environmental Compliance Cost Savings)

Each component is calculated as:

• Energy Cost Savings: Savings from reduced electricity and fuel consumption.
• Equipment Operation Cost Savings: Savings from improved equipment efficiency and reduced fuel usage.
• Maintenance Cost Savings: Savings from decreased wear and tear on equipment.
• Environmental Compliance Cost Savings: Savings from reduced emissions and potential fines.

6. Case Study: Implementation of MESS in a Smart Construction Site

A case study of a construction site integrating MESS demonstrated:

• Energy Cost Savings: A 30% reduction in electricity and fuel expenses.
• Equipment Operation Cost Savings: A 20% decrease in fuel consumption for machinery.
• Maintenance Cost Savings: A 15% reduction in maintenance expenditures.
• Environmental Compliance Cost Savings: A 10% decrease in costs related to emissions and waste management.

These results led to an overall cost reduction of 25% for the construction site.

7. Conclusion

Integrating MESS into smart construction sites offers a viable strategy for significant cost reduction. By adopting the calculation model presented, construction managers can assess potential savings and make informed decisions regarding the implementation of mobile energy storage solutions.