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General Dynamics and Nissan Case Studies Highlight Benefits of Superior Energy Performance

May 14, 2014 - 11:40am

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Two recent case studies document the benefits of participation in the Superior Energy Performance (SEP) program, including real-world details about energy management system implementation, results, and lessons learned.

The General Dynamics Ordnance and Tactical Systems case study discusses the company's Scranton, Pennsylvania, federal ammunition manufacturing facility, which:

  • Developed energy performance projects and goals for seven of its most energy-intensive units using ISO 50001 energy management system.
  • Used DOE's energy performance indicator (EnPI) tool to establish a normalized baseline of energy consumption and track annual progress of intensity improvements and energy savings.
  • Improved facility energy performance by 11.9% and became the first U.S. defense contractor to be SEP-certified.
  • Achieved a payback within six months on its entire investment (including the cost of internal plant staff time).

The Nissan case study discusses the company's Smyrna, Tennessee, vehicle assembly plant, which:

  • Achieved energy savings under a dynamic energy team drawn from every level of management.
  • Modeled its energy management system after its existing ISO 14001 environmental management system with support from the Facilities Engineering department.
  • Improved energy performance by 7.2% and saved $938,000 each year.
  • Recouped its investment in SEP in only four months and became the first U.S. passenger vehicle plant to achieve SEP certification.

The companies join Cummins, HARBEC, and Mack Trucks in recently achieving facility-level SEP certification and impressive energy performance results. Both General Dynamics and Nissan are now expanding SEP to additional plants through the SEP Enterprise-wide Accelerator, which helps companies meet energy savings goals by deploying SEP tools and training on an enterprise level across multiple sites.

The case studies are a part of a growing suite of products that highlight the business value of energy management released by the Global Superior Energy Performance (GSEP) Energy Management Working Group (EMWG). Through GSEP's EMWG, government officials from 11 countries are sharing best practices and leveraging their collective knowledge to create high-impact national programs that accelerate the use of energy management systems in industry and commercial buildings. For more information, please contact superiorenergyperformance@ee.doe.gov.

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