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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

PTT Global Chemical Public Company Limited (Branch 12 Polyethylene Plant) Global Energy Management Implementation Case Study

PTT Global Chemical Public Company Limited (Branch 12 Polyethylene Plant) Global Energy Management Implementation Case Study

During 2013 – 2016, PTTGC12 achieved energy savings of more than 64 TJ, equivalent to around 7,500 tonnes of CO2-e reduction

This case study describes how implementation of ISO 50001 EnMS is helping PTTGC12 to systematically focus its mission in reducing its environmental impact and energy consumption. It integrates all energy management elements such as training, assessment, metering, controls & analysis, etc., which used to spread among various job functions, into one system.

Friday, May 12, 2017

LG Chem, Ltd., Daesan Complex Global Energy Management Implementation Case Study

LG Chem, Ltd., Daesan Complex Global Energy Management Implementation Case Study

Daesan plant of LG Chem reduces energy consumption by 4.88% after having established EnMS and delivered various energy saving activities

This case study describes how having achieved ISO 50001, the Daesan Plant identified and delivered more than 50 energy saving activities including waste heat recovery, steam use optimization, and production optimization at the corporate level. As a result, they decreased their energy consumption by 4.88% in 2015 compared to the level in 2014.

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