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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.


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).

Wednesday, May 18, 2016

PT. Nippon Shokubai Indonesia Global Energy Management Implementation Case Study

PT. Nippon Shokubai Indonesia Global Energy Management Implementation Case Study

NSI expected to improve energy performance by 4% in 2016

This case study describes how PT. Nippon Shokubai Indonesia (NSI) began to implement ISO 50001 in 2015. NSI expects a decline in energy costs that could reach eighteen billion rupiah per year with no/low investment cost.

Wednesday, May 18, 2016

Map Ta Phut Olefins Company Limited Global Energy Management Implementation Case Study

Map Ta Phut Olefins Company Limited Global Energy Management Implementation Case Study

Map Ta Phut Olefins Company Limited (MOC) continuously reduces their specific energy consumption

This case study describes how MOC has continuously reduced their specific energy consumption from 18,466 MJ/Ton olefins in 2012 to 17,093 MJ/Ton olefins in 2015. And they can decrease cost more than 10 million USD within four years and can reduce CO2 release around 64,000 Tons CO2.

Wednesday, May 18, 2016

LG Chem, Ltd. Global Energy Management Implementation Case Study

LG Chem, Ltd. Global Energy Management Implementation Case Study

Improved Energy Performance 9.39% due to the implementation of EnMS in 2014

This case study describes how LG Chem, Ltd. Ochang plant, which produces Acrylic film for LCD modules and Lithium-Ion batteries, successfully implemented an Energy Management System (EnMS) in 2014. As a result of a monthly report assessment of its energy use and GHG, the Ochang plant achieved energy cost reduction by 13% ($9.5 million) in 2014 and by 11% ($7.0 million) in 2015.

Wednesday, May 18, 2016

JK Lakshmi Cement Limited Global Energy Management Implementation Case Study

JK Lakshmi Cement Limited Global Energy Management Implementation Case Study

Successfully achieved 14.82% reduction in Specific Energy Consumption (SEC)

This case study describes how JK Lakshmi Cement achieved a structured platform for energy consumption, energy conservation, and energy management activities by implementing Energy Management System (EnMS), ISO 50001. They achieved a total energy cost saving of Rs 903 million, with an investment of Rs 2832 Million and an average payback period of 38 months.

Wednesday, May 18, 2016

Hitachi, Ltd. Infrastructure Systems Company Omika Works Global Energy Management Implementation Case Study

Hitachi, Ltd. Infrastructure Systems Company Omika Works Global Energy Management Implementation Case Study

Omika Works improved 15% of energy performances

This case study describes how Omika Works reduced 23% of the contract electricity, 15% of CO2 emissions and 5 million yen/month of electricity costs by means of visualizing the electric power, making the basic unit of it including the smart next-generation factory plan and promotion of the improvement measure of the energy use efficiency by EnMS. Omika Works is the central base of Hitachi, Ltd. Infrastructure Systems Company which promotes a social innovation business of an energy, an aquatic environments, a mobility, and an industry.

Wednesday, May 18, 2016

F-TECH INC. Global Energy Management Implementation Case Study

F-TECH INC. Global Energy Management Implementation Case Study

Faced with energy shortages after the earthquake, they recognized the importance of energy management

This case study describes how the Kameyama Plant reduced CO2 emissions of 1,379 t-CO2 by 27% (compared with FY2010). They reduced 182 t-CO2/year, and saved 8.8 million yen through energy saving activities such as paint circulating pumps inverter control and LED installation at stamping area.

Wednesday, May 18, 2016

PT. Pertamina Hulu Energi Offshore North West Java (PT. PHE ONWJ) Global Energy Management Implementation Case Study

PT. Pertamina Hulu Energi Offshore North West Java (PT. PHE ONWJ) Global Energy Management Implementation Case Study

By Implementing EnMS, 5% Energy Savings has been achieved per year

This case study describes how PHE ONWJ became the only subsidiary of PT. Pertamina (Persero) to implement Energy Management System (EnMS) ISO 50001. By implementing low and no cost Energy Conservation Opportunities (ECO’s), PHE ONWJ has reduced its energy consumption by 5% (2014) and 3% (2015).

Wednesday, May 18, 2016

PT Indah Kiat Pulp & Paper Global Energy Management Implementation Case Study

PT Indah Kiat Pulp & Paper Global Energy Management Implementation Case Study

The first paper mill in Indonesia to be awarded ISO 50001 certification

This case study describes how IKPP Tangerang became the first paper mill in Indonesia to be awarded ISO 50001 certification. IKPP Tangerang succeeded in reducing energy consumption from 9.32 GJ/TP in 2011 to 7.91 GJ/TP in 2015.

Wednesday, May 18, 2016

PT. APAC INTI Corpora Global Energy Management Implementation Case Study

PT. APAC INTI Corpora Global Energy Management Implementation Case Study

Conducting energy conservation programs since 2006

This case study describes how PT Apac Inti Corpora started implementing the global energy management system of EnMS-ISO 50001:2011 and certification was achieved in June 2014. Since the implementation of these conservation programs, they have reaped rich benefits in terms of cost, culture, quality, productivity, safety, moral and business efficiency.

Wednesday, May 18, 2016

Nissan North America, Inc. Global Energy Management Implementation Case Study

Nissan North America, Inc. Global Energy Management Implementation Case Study

Automaker improves energy performance 25% over six years with SEP

This case study describes how Nissan worked with the U.S. Department of Energy’s (DOE’s) Advanced Manufacturing Office (AMO) to implement an energy management system (EnMS) that meets all requirements of Superior Energy Performance (SEP) and ISO 50001. At its vehicle assembly plant in Smyrna, Tennessee, the company established an energy baseline and assessed opportunities to save energy within its major energy-using systems.

Wednesday, May 18, 2016

New Afton Mine Global Energy Management Implementation Case Study

New Afton Mine Global Energy Management Implementation Case Study

New Afton is the first mine in North America to implement ISO 50001

This case study describes how New Afton Mine started production in June 2012 and received ISO 50001 certification on March 31, 2014. With a number of prestigious energy management related awards received over the past few years, New Afton continues to set an example of what is possible as a result of passion, drive and commitment.

Wednesday, May 18, 2016

Mutua Madrileña Automovilista Global Energy Management Implementation Case Study

Mutua Madrileña Automovilista Global Energy Management Implementation Case Study

Low cost, high impact. Going beyond social and environmental responsibility: energy management as a commercial and business asset

This case study describes how Mutua Madrileña implemented an ISO 50001 Energy Management System (EnMS) that brought their energy performance to a new level. After two years in operation, they have saved 5,891,444 kWh in total for 14 buildings, 18.4% of total energy costs.

Wednesday, May 18, 2016

HARBEC, Inc. Global Energy Management Implementation Case Study

HARBEC, Inc. Global Energy Management Implementation Case Study

Specialty plastics manufacturer improves energy performance 16.5% to earn Platinum certification in Superior Energy Performance

This case study describes how HARBEC, Inc. worked with the U.S. Department of Energy (DOE) Advanced Manufacturing Office to successfully implement an energy management system (EnMS) that meets all requirements of ISO 50001 and Superior Energy Performance® (SEP). HARBEC’s implementation of the EnMS at its small plastics manufacturing facility in Ontario, New York, enabled a 16.5% improvement in energy performance.

Wednesday, May 18, 2016

Central Termoeléctrica Genelba Global Energy Management Implementation Case Study

Central Termoeléctrica Genelba Global Energy Management Implementation Case Study

The application of the standard ISO 50001 improves energy performance 13.2% over 2 years

This case study describes how Central Termoeléctrica Genelba, a power generation company, implemented ISO 50001, which allowed the company to reduce its energy consumption by 26 billion BTU (7635 MWh) in a period of two years. This improvement resulted in a reduction of the operating costs by US$ 271,034 and a decrease in CO2 generation by 2,997 tonnes during the same time period.

Tuesday, May 17, 2016

Detroit Diesel Global Energy Management Implementation Case Study

Detroit Diesel Global Energy Management Implementation Case Study

U.S. Department of Energy, SEP Platinum Certified

This case study describes how Detroit Diesel (Detroit) pioneered new ground in setting up an Energy Management System (EnMS) that would not only improve their energy conservation efforts but reduce their Greenhouse Gas (GHG) emissions. While increasing production by 93%, Detroit was able to improve cumulative energy performance by 32.49%.

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.

Tuesday, May 17, 2016

Curtiss-Wright Electro-Mechanical Corporation Global Energy Management Implementation Case Study

Curtiss-Wright Electro-Mechanical Corporation Global Energy Management Implementation Case Study

Providing leading edge technologies that are relied upon to enhance their customers’ safety, reliability and performance in the most demanding environments while improving their energy efficiency

This case study describes how EMD, a business unit of the EMS Division of Curtiss-Wright, has reduced energy consumption by approximately 70,000 MMBTU over 5 years. EMD's energy conservation initiatives have saved the company approximately $300,000 and 100 Metric tons CO2.

Tuesday, May 17, 2016

Cummins Inc. Global Energy Management Implementation Case Study

Cummins Inc. Global Energy Management Implementation Case Study

Cummins achieves 20% energy performance improvement through Corporate EnMS Enterprise

This case study describes how Cummins successfully implemented an EnMS through their Corporate Enterprise approach, which resulted in a combined energy performance improvement of 20.25 percent by 2015 from a 2010 baseline. Their total annual savings are equal to $3,541,365 and 352,434 MMBTU, or 39,740 metric tons of CO2e reduction.

Tuesday, May 17, 2016

Catalyst Paper, Crofton Division Global Energy Management Implementation Case Study

Catalyst Paper, Crofton Division Global Energy Management Implementation Case Study

Achievement by Crofton Division

This case study describes how Catalyst Paper, Crofton Division has made significant efforts to reduce energy intensity using different methods and evolving in their approach of energy management and energy performance improvement. The combined strategy of consuming less while generating more has had the great benefit of offsetting purchased power by 7.2%.

Tuesday, May 17, 2016

Abbott Diagnostics Division Sligo Global Energy Management Implementation Case Study

Abbott Diagnostics Division Sligo Global Energy Management Implementation Case Study

Reducing their carbon footprint for a greener, healthier and more sustainable environment

This case study describes how Abbott Diagnostic Division Sligo has achieved a 40% reduction in CO2 since the implementation of ISO 50001. The implementation has also resulted in an energy cost
reduction of 36%.

Tuesday, May 17, 2016

Aberdare Cables Global Energy Management Implementation Case Study

Aberdare Cables Global Energy Management Implementation Case Study

International cable manufacturer Aberdare Cables has come out on top in a UK government sponsored energy audit

This case study describes how Aberdare's adoption of an Energy Management System has benefited their Standford Road facility in not only achieving its targeted 10% energy reduction, but has also provided assurance to the internal data management system that has been developed. Initiatives implemented, such as weekend shutdowns, oven timers, demand controllers and changing much of lighting throughout the plant have helped save the company more than R 1.5 million in the past year.

Tuesday, May 17, 2016

Abbvie Ireland NL BV Global Energy Management Implementation Case Study

Abbvie Ireland NL BV Global Energy Management Implementation Case Study

AbbVie Sligo has delivered an ambitious “Reduce Carbon Footprint” Energy Management program

This case study describes how AbbVie Sligo has delivered an ambitious “Reduce Carbon Footprint” Energy Management program which delivers annual energy efficiency savings of €799,272 and an annual reduction of 2,575 tonnes of CO2 through sustainable development, teamwork, staff engagement and the application of innovative technologies. In addition, the program has delivered an annual reduction of 5,904 MWh of energy savings (11,389 MWh in cumulative savings) to date.

Tuesday, May 17, 2016

3M Company Global Energy Management Implementation Case Study

3M Company Global Energy Management Implementation Case Study

Energy Efficiency as a 3M Competitive Advantage

This case study describes how 3M facilities were among the first to pilot the implementation of ISO 50001 in 2011, and, since that time, 3M has implemented the standard at eighteen facilities in seven countries. Superior Energy Performance (ISO 50021) has been implemented at three of the eighteen facilities. 3M facilities participating in ISO 50001 and ISO 50021 have shown an energy performance improvement of 10.5% over the past three years.

Tuesday, May 17, 2016

3M Korea Ltd. Naju Plant Global Energy Management Implementation Case Study

3M Korea Ltd. Naju Plant Global Energy Management Implementation Case Study

3M Korea Naju plant improves energy performance 7.14% with SEP and ISO 50001

This case study describes how the 3M Korea Naju plant obtained ISO 50001 certification and became the first company in Korea to achieve Superior Energy Performance (SEP) from the Korean Energy Agency (KEA) . The Naju plant’s energy management system (EnMS) implementation enabled a 7.14 percent improvement in energy performance in two years.

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