Lower Moosa Canyon

Moosa Energy Savings

Kilowatts hours used; 2008 976,000kWh 2009 772,000kWh 2010 630,000kWh 2011 561,000kWh 2012 529,000kWh 2013 360,000kWh(est.)

Reduction: 616,000kWh/yr

Operational and Process Changes 2008

Purchased updated, more accurate laboratory equipment.

Utilized laboratory data to make changes in our operational and process controls.

Determined which equipment was inefficient or needed for daily operations.

Reduced Chemical and Odor Control Equipment Run Times 2009

Process changes from previous year 2008 reduced odors.

Eliminated need to operate equipment related to odor control.

Electrical reduction of 21% from previous year.

New Diffusers in Aeration Basins 2010 Better distribution of air. Reduction of blowers on

line. Improved operational

control. Electrical reduction of

20% from previous year.

New Positive Displacement Blower Operations 2012 Automated VFD

control. Reduced energy

consumption. Electrical reduction of

6% from previous year.

Improved Solids Handling 2011

Aeration basin upgrades improved operations.

Reduction in bio solids to be processed and hauled.

Reduced equipment runtimes.

Electrical reduction of 11% from previous year.

Electrical Reduction Goal for 2013

Install and operate new Sludge Thickening Processor.

Streamline the bio solids processing after the new Sludge Thickening Processor is installed (equipment run time).

Estimated reduction in electricity to be 32% from previous year.

Total Annual Electrical Savings

2008,

976,000 kWh 2013

360,000 kWh Reduction of

616,000 kWh/yr

$61,700.00 savings

per year