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Energy Management Working Group


Case Studies

This collection of energy management system (EnMS) case studies presents the real-world data and experiences of early adopters who use EnMS to achieve savings. These case studies describe the implementation and resulting savings from use of an EnMS, ISO 50001, or energy optimization projects.

Get Involved: Learn about the CEM Energy Management Leadership Awards, which showcase leading organizations and share their ISO 50001 successes. Now accepting entries for 2018 awards. 

Scan and choose from case studies on this page, filter by industry or country to the right, or search by keywords in the search bar below.


Friday, May 12, 2017

PT. Great Giant Pineapple Global Energy Management Implementation Case Study

PT. Great Giant Pineapple Global Energy Management Implementation Case Study

The factory that is implementing ISO 50001 and treating the waste water to become biogas as a part of energy conservation program to achieve sustainable growth

This case study describes how GGP started to implement ISO 50001 in March 2014 and received ISO 50001 certification three years later in early 2017. Since then, energy saving have been accomplished.

Wednesday, May 18, 2016

PT. Amerta Indah Otsuka Global Energy Management Implementation Case Study

PT. Amerta Indah Otsuka Global Energy Management Implementation Case Study

Energy conservation program can reduce energy consumption about 1,333,315 kWh/year equivalent to the emission reduction of 163,431 tCO2/year

This case study describes how PT. Amerta Indah Otsuka (PT. AIO) successfully implemented an energy conservation program that can reduce energy consumption about 1,333,315 kWh/year, equivalent to the emission reduction of 163,431 tCO2/year. The program focuses on Significant Energy Used (SEU), such as fuel, steam, water, and electricity (production machine and utilities).

Tuesday, May 17, 2016

Dairygold Food Ingredients (DFI) Global Energy Management Implementation Case Study

Dairygold Food Ingredients (DFI) Global Energy Management Implementation Case Study

Total demonstrated savings of €871,234 (Euro) while also offsetting 5822 tCO2 over a period of 29 months

This case study describes how Dairygold achieved total demonstrated savings of €871,234 (Euro) while also offsetting 5822 tCO2 over a period of 29 months. These energy savings have been delivered from both capital projects and effective energy management practices.

Wednesday, October 9, 2013

Simplot Global Energy Management System Implementation Case Study

Simplot Global Energy Management System Implementation Case Study

Moving from a static energy use model to real energy management using systems optimisation

This case study describes how changes to the refrigeration control system at Simplot's plant in Devonport, Tasmania, including the installation of variable speed drives (VSDs) and variable head pressure control (VHPC), may have reduced refrigeration energy use by up to 10%. 

Tuesday, November 20, 2012

Darigold Global Energy Management System Implementation Case Study

Darigold Global Energy Management System Implementation Case Study

This case study, published by the Institute for Industrial Productivity, describes EnMS implementation as a cost cutting strategy at Darigold, a dairy and food processing company.

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