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Saving Money Through Energy Efficiency

Saving Money Through Energy Efficiency. An Overview of Energy Policy Act and the Utility Company Incentive Programs. Eric W. Sank, P.E., RCDD. Design Collaborative, Inc. October 25, 2012. 2005.

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Saving Money Through Energy Efficiency

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  1. Saving Money ThroughEnergy Efficiency An Overview of Energy Policy Actand the Utility Company Incentive Programs Eric W. Sank, P.E., RCDD. Design Collaborative, Inc. October 25, 2012

  2. 2005 In an attempt to combat growing energy problems, Congress passes The Energy Policy Act, providing tax incentives and loan guarantees for energy production of various types.

  3. 3 Areas - Lighting- Building Envelope- HVAC Maximum Deduction - $.60/ft2 ($1.80/ft2 total for all 3) Renovated Area Up to Total Material Cost

  4. 2 Methods to Qualify 1. Building-wide Energy Model - largest deduction, more complicated to certify2. Interim Lighting Method - simpler to calculate, better suited for lighting retrofits

  5. Building-Wide Energy Model - ASHRAE/IESNA Standard 90.1- Requires software modeling of building energy usage

  6. Compliance - ASHRAE/IESNA Standard 90.1

  7. Interim Lighting Method - Out with the old…

  8. Requirements - Consumption & Building Type

  9. EPACT Deduction 40% - How do I qualify? >25% PRO-RATED

  10. EPACT Deduction - How do I qualify?

  11. Lighting Controls • ASHRAE 90.1 (2001) - Bi-Level Switching

  12. Additional Savings Methods - Rebates/incentives through local power company- Fixed rebates or custom incentive packages

  13. Utility Co. Incentives Restaurant & Grocery Audit Program - Free audit of refrigeration system - Incentives for: Automatic door closers LED case lighting Motion sensor on case lighting Night covers

  14. Utility Co. Incentives Commercial & Industrial Incentives - Custom program, tailored to individual customers - Retrofit only, new construction does not qualify - Must save at least 100,000 kwh/yr - Rebate of $.05 per kwh saved

  15. Utility Co. Incentives Commercial & Industrial Rebates - Administered by 3rd party (Energizing Indiana) for several utilities throughout the state—I&M, Duke, NIPSCO, & others - 3 Rebate areas: Lighting, HVAC, & Food Service Equip. Lighting - replace T12 or HID light fixtures - no LED rebates (yet) HVAC - min. efficiency of HVAC equipment, add VFDs to motors Food Service – Replace with energy star equipment • New construction qualifies for rebate • Baseline is minimum design that meets building & energy codes

  16. Additional Savings Methods

  17. Utility Co. Incentives Emergency Demand Respond Rider • Customer agrees to reduce demand at critical times and receives monthly payment from I&M • Minimum 250 kva reduction • Benefit for customers with generator backup • - $2.50/kw/month

  18. Utility Co. Incentives HVAC Rooftop Tune-Up • Incentivesfor adding economizer, CO2 sensors, multi-stage cooling

  19. Certification & Documentation - Site Visit- Calculations- Fixtures- Saving

  20. Example - 200’x 200’ Warehouse- Existing 400 watt Metal Halide Hi-Bays @ 25’ O.C. 64 qty @ 456 watts/ea = 29,184 watts26.1 footcandles, .73 watts/sq ft.29,184 w @ 7.6¢/kwh @ 14 hrs/day = $31.05/day or $11,333.00/yr

  21. Example - Replace 1 for 1 With 6-lamp T5HO Fluorescent Hi-Bays + Dual Level Switching + Instant On + Less Lumen Loss + Longer Lamp Life 64 qty @ 361 w/ea = 23,104 watts34.0 footcandles, .58 watts/sq ft.23,104 w @ 7.6¢/kwh @ 14 hrs/day = $22.67/day or $8,273.00/yr

  22. $3,060/yr SAVINGS OF Example - Replace 1 for 1 with (6) T5HO Fluorescent Hi-Bays + Switching + Instant On + Lumen Loss + Lamp Life 64 qty @ 361 w/ea = 23,104 w & 34.0 f.c.23,104 w @ 7.6¢/kwh @ 14 hrs/day = $22.67/day or $8,273.00/yr

  23. SAVINGS-24 hour operation savings $5,245/yr- Reducing the number of new fixtures to maintain current light levels leads to… @14 hrs/day $5,541/yr @24 hrs/day $9,500/yr

  24. TAX SAVINGS/TOTAL COSTMaterial costs (assume in-house labor) -$11520Tax SavingsMax. Allowable – 40,000 ft2 × $.60 $24,000 Actual Cost $11,520 Allowable Deduction $11,520 Typical Corporate Tax Rate 30% Tax Savings $3,456 I&M Rebate $51/fixture x 64 $3,264 Total Initial Savings +$6,720TOTAL COST $4,800

  25. PAYBACK 1 FOR 1 REPLACEMENT@ 14/day operation, payback = 1.6 yrs@ 24/day operation, payback = .9 yrs W/ EXISTING F.C. LEVELS(30% Fixture Qty Reduction)@ 14/day operation, payback = .6 yrs@ 24/day operation, payback = .4 yrs

  26. Saving Money ThroughEnergy Efficiency An Overview of Energy Policy Actand the Utility Company Incentive Programs Thank you!

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