Reference: Water

I. CUSTOMER ENVIRONMENT / PROJECT CONTEXT

Customer profile:

• Equity Joint Venture Company set up by a water and petrochimical company
• The company includes 4 wastewater plant,
  
• Total production capacity: Wastewater treatment 19.4 Mton/year, Reclaim water: 7.16 Mton/year.

Customer objective and constraints:

• The end user wants to launch a global strategic program based on Energy Efficiency conservative measures.

II. SOLUTION IMPLEMENTATION

Implementation methodology (main phases):

• The first step of this program consists in Energy Efficiency consulting on the 4 plants in order to assess the energy savings potentialities,
  
• For this consulting, the local PST Advanced Services Team has been supported by the CES Team from the Schneider Electric business units (PE&C),
  
• Following the Energy Efficiency audit, a contract for Energy Efficiency Solutions & Services has been proposed.

Duration:

• 2007: 1 year

Solution overview (services, products, systems, architectures...):

• Installation of Variable Speed Drives
  
• Replacement of old pumps
  
• Replacement of old transformers
  
• Apply monitoring system to manage operation

How did we estimate the energy savings (methodology, tools, ...)

• Energy savings have been estimated using the Eco 8 software, taking into account the characteristics of the water circuits, the type and power of the pumps, as well as the operating duty cycle.

III. RESULTS / ACHIEVEMENT

Customer benefits:

• 52% expected energy savings, 5GWh saved per year, with ROI less than 2 years!

Schneider Electric differentiating values VS competitors:

• Deep understanding of energy saving in water,
  
• Solution and service provided, not only the products
  
• Strategic partnership with the water treatment end user.