Consumers Energy Business Energy Efficiency Program

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Consumers Energy Business

Energy Efficiency Program

Municipal Assistance Update

Leila Saber, Consumers Energy

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Consumers Energy Business

Energy Efficiency Program

Leveraging Utility Incentives to Increase Plant Efficiency and Reduce Costs

Leila Saber, Consumers Energy

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Today’s Topics

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Program Background

Custom Incentives

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Over 27,000 business customers have participated in the Consumers Energy incentive program since 2009

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We have helped customers save over $440 million in

energy costs

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Customers have received over $100 million in

incentives

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Average Incentive of over $4,000

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Comprehensive Business Solutions

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Prescriptive Incentives

 Think “off the rack,” get it and go

• Predetermined incentive levels

 250 measures in total

 Average 30% to 70% of the incremental project cost

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Custom Incentives

 Think “tailored,” custom fit to your business

 Incentives are determined on a case-by-case basis

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Customer Project Annual Energy Savings Incentive

North Kent Turbo Compressor Blower 1,415,700 kWh $105,023 City of Grand

Rapids

UV Disinfection Controls Pumps with VFD

Screen Room and Grit Blowing Real Time Nitrogen Control System

720,309 kWh 1,839,651 kWh 498,081 kWh 734,105 kWh $56,824 $147,172 $39,846 $58,728 Genesee County Drain Commission

Blower Replacement with VFD RAS Pump Replacement

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For projects which demonstrate an improvement in production

energy efficiency

 Reduced kWh/unit or

 MCF/unit produced

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A wide range of facility improvements can qualify for the program including:

 Process Improvements

 Blower Replacement

 Variable-Speed Control on Motors

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Right-Size Blower with Variable Frequency Drive (VFD)

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Right-Size Pump with Variable Frequency Drive

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Addition of Variable Frequency Drive to Aerators

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Ultra Violet Lighting Controls

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Existing 250-hp constant speed

blower replaced with 150-hp blower with VFD

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Annual Savings: 563,330 kWh

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Incentive: $45,066

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Payback of 2.81 years

(without rebate)

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Greater than a 10% savings in the

facility’s total annual electrical budget (saving approx.

$45,000/year)

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Energy savings resulted by:

• Precisely determining the motor speed/air flow

required for treatment of the wastewater at the facility

• Using blowers appropriately sized for the need

• Making use of available VFD technology for precise

air flow control

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Considerations and Benefits

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Aeration and mixing: most energy consuming step

 as identified in the Water Environment Federation’s “The Energy Roadmap”*

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Improved efficiency yields vast improvement in the total

electrical consumption

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Reduced demand on the electrical utility

• *Water Environment Federation (WEF): The Energy Roadmap, A Water and Wastewater Utility Guide to More Sustainable Energy Management. 2013. www.wef.org.

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Existing 400-hp constant speed pumping station pump replaced with new 250-hp pump with VFD; and

elimination of bypass to inlet header

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Results:

 Annual Savings: 1,839,651 kWh

 Incentive: $147,172

 Payback: 1.7 years

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VFDs with DO feedback loop installed on (8) 40 HP agitator motors. Previous system was constant speed and typically provided excess aeration

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Real-time spectrometer allows for instantaneous

measurement of E. coli levels, allowing that UV intensity be supplied only to the level needed, and not beyond

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Results:

 Annual Savings: 720,309 kWh

 Incentive: $56,824 payback

 Payback: 1.9 years

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Pre Application, Pre-Review

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Reservation Period (when work is done)

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Final Application, Final Review

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Check Issued

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Before project starts, Pre-Application is submitted.

 This gives a general description of project, anticipated energy savings, supporting documentation

 Members of our team can assist

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Information gathering: determine the strategy for

determining energy savings

 Together we will work to verify the energy savings

 We may ask for additional information, such as flows and operational hours

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Electrical metering pre (and post) will likely be involved

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Determination of Reservation Amount

 Based on the difference between what is found to be the baseline energy consumption and the “best estimate” of energy consumption for the new system

 The incentive amount is based on energy savings over a 12 month period, and must meet a Payback Period of between 1 and 8 years

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Reservation period is 90 days

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When work is complete, Final Application is submitted (this consists of invoices and Final Agreement form)

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Post monitoring will likely be performed, additional

supporting information may be needed

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Payment to customer is based on the metered savings

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Serves to identify opportunities for Energy Efficiency in municipal government buildings and facilities

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Provides Technical Education and Financial Incentives

by providing:

 ENERGY STAR®_{Benchmarking: to help increase awareness}

and set priorities; better prepare for grant application process

 Funding for select few in-depth 3rd_{party audits}

 Walk-Through Assessments

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• Target Market:

 City, Township and County

 Offices, Public Safety, Transportation, Libraries, Recreation and Water Treatment Plant and Waste Water Treatment Plant.

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Eligibility:

 Municipal customers with multiple buildings

 Detailed assessment requires building be >35,000 sq. ft. and commitment to submit a minimum of 1 project to

Incentive Program per year? (limited based on available funding)

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Program designed to recognize exceptional energy efficiency projects each year

 Energy savings, innovation, repeatability, new technology

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North Kent Sewer Authority – Grand Rapids, MI

 Retrofitted a new turbo compressor blower to match the aeration needed to the load

2014 “Project of the Year” winner

 1.4 Million kWh saved and over $100,000 in rebates

 Awarded $15,000 & $5,000 to trade ally, marketing recognition

 Representative of the numerous wastewater treatment nominees

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Consumers Energy

 Business Customer Specialist and Account Managers http://ConsumersEnergy.com/business

 Business Energy Efficiency Programs

http://ConsumersEnergy.com/mystartsaving

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US Department of Energy

http://energy.gov/water-energy-tech-team

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ENERGY STAR®_{Portfolio Manager}

 Energy tracking and base lining tools http://www.energystar.gov

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Thank you!

For more information

contact the program team

877-607-0737

www.ConsumersEnergy.com/startsaving

Leila Saber

Municipal Pilot Program Lead Leila.Saber@cmsenergy.com

517-481-2972 x1941