Energy Audit & Energy Cost Optimization of a Large Commercial Facility
A comprehensive energy audit of a large commercial facility identified high-impact opportunities across chillers, HVAC systems, fans, pumps, and power procurement—delivering significant annual cost savings with a payback of under 17 months.
Project Specs
- Client
- Industry
- Commercial Buildings & Large Facilities
- Technologies
- Energy AuditCommercial BuildingsChiller OptimizationIE5 MotorsHVAC EfficiencyOpen Access PowerCarbon ReductionSustainable Buildings
The Challenge
Our Solution
The Results
Annual energy savings identified: ₹1.61 crore
Total investment required: ₹2.21 crore
Energy cost reduction: 18.8% (excluding separately billed areas)
Simple payback period: 16.5 months
Major contributors to savings:
Chiller efficiency improvement (15–20%)
Fan and blower upgrades delivering up to 35% energy savings
Reduced electricity procurement cost through open access
The audit provided a clear, phased implementation roadmap, enabling immediate savings while planning long-term performance improvements.
📊 RECOMMENDED FIGURES TO ADD (VERY IMPORTANT)
To make the case study more attractive and easy to understand, add these figures:
Figure 1 – Energy Consumption Distribution
Pie chart
Chillers, HVAC fans, auxiliaries, lifts, others
➡️ Instantly shows where energy is consumed most
Figure 2 – Annual Energy Cost Breakdown
Pie or bar chart
➡️ Helps management visualize cost drivers
Figure 3 – Identified Energy Saving Opportunities
Bar chart showing savings (₹/year) by project
➡️ High impact for decision-makers
Figure 4 – Chiller Performance Improvement
Before vs After comparison (kW/TR)
➡️ Makes technical improvement easy to understand
Figure 5 – Fan & Blower Efficiency Upgrade
Old EC fans vs IE5 super-efficient blower illustration
➡️ Explains why replacement makes sense
Figure 6 – Investment vs Payback Matrix
Scatter or bubble chart
➡️ Clearly highlights fast-payback projects