$

0

Yearly Savings

0

Yearly kWh Reduced

0

CO2 Decreased

Our Challenge

Operating in the tropical climate of the Philippines, the call center faces significant cooling demands necessitating continuous operation of its three chillers throughout the year. Despite this constant need for cooling, the existing setup poses several challenges:

  1. Suboptimal Chiller Operation: All three chillers have been consistently operating simultaneously, even during periods of low cooling load. This inefficient operation results in decreased performance and energy wastage.
  2. Low Coefficient of Performance (COP): The chillers exhibit a low COP, with efficiency levels ranging from 1 to 2, particularly when operating at around 40 percent load. This inefficiency further exacerbates energy consumption and operational costs.

Addressing these challenges is imperative to improve energy efficiency, reduce operational costs, and enhance the sustainability of the call center’s cooling infrastructure.

Our Solution

Leveraging Kaizen, the optimal number of chillers required to meet cooling demand is estimated. Kaizen’s analysis reveals that operating just one chiller could suffice over 90 percent of the time.

Our Results

Following the recommendation, the client transitioned to operating two chillers, eventually reducing to just one chiller in operation. Surprisingly, despite the reduction in the number of chillers, cooling output increased by approximately 10%. The COP surged significantly from 1.2 to 8, indicating enhanced efficiency. Kaizen facilitated a comparison of electrical consumption, revealing a remarkable reduction of over 66% when transitioning from three chillers running in September to one chiller in November.

 

The realized savings amount to over 4 million Peso (approximately USD $71,000) per year from all fan coil units. This translates to an energy reduction of about 710,000 kWh, equivalent to a decrease of approximately 580,000 lbs. of CO2 emissions. To provide context, this reduction in CO2 emissions is equivalent to the emissions from burning 795,000 pounds of coal in the Philippines. All estimates are based on on-site electrical meters utilized for utility measurement.

 

Click here to download a copy of the case study: CopperTree Analytics Case Study – Philippines Call Centre

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