ENERGY ASSESSMENTS, RETRO-COMMISSIONING AND TECHNICAL SUPPORT

Eileen Westervelt | PE | CEM

SEDAC, Program Director, Retro-Commissioning

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EEPS STRUCTURE

SEDAC

ComEd Ameren Illinois

Nicor Gas Peoples/North Shore

Ameren Illinois

Electric Efficiency (75% of $)

Gas Efficiency (75% of $)

DCEO

Electric Efficiency Gas Efficiency

(25% of $)

Private Sector Businesses Residential Non-profits

Private Sector Businesses Residential Non-profits

Public Sector Governments K-12 Schools Community

Colleges Public Universities

Low-Income Residential

Affordable Housing PHAs

Implementation Agencies

• IL legislation sets EE goals for utilities, allows riders• Utilities provide services/incentives to Private Sector• Portion to DCEO – sponsors SEDAC, EE incentives to Public and Low Income Residential Sector• SEDAC serves both Public and Private Sectors

…Partners coordinating for efficiency

Energy Assistance and Assessments

Phone help, Anytime!

<15,000 sf - phone assistance

15,000-20,000 sf - depends on EUI

>20,000 sf - assessment level varies depending on need

New Construction Design Assistance

Retro-Commissioning (Public Sector)

Full RCx - >150 ksf, large facility, high savings potential

Mini RCx – smaller, quick look at controls

Dashboards – RCx clients who want to continue to track

Presentations

Publications

Case Studies

Fact Sheets

Newsletters

Website sedac.org

..to improve the effectiveness of energy use in IL

SEDAC SERVICES

TENNIS COURTS/POOL

Indoor Tennis and Pool

Building Type Park DistrictEnergy Measures Lighting, HVAC, DHW,

plug loadsAnnual Energy Savings $27,941Total DCEO Incentives $60,000Total Project Cost $55,000 (after incentives)Payback 1.9 years

Recommended…• Lighting upgrade

– MH to high bay Fluorescents– Exterior LEDs– Reduce wattage linear fluorescents

• Install VSDs on pool pumps• Vending misers• Thermostat setbacks

Recommended but not included in savings…• Install pool covers• Pool dehumidification / heat recovery• Daylighting controls• Ozone laundry

ENERGY ASSESSMENTS

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City of Decatur – Civic CenterBuilding Type Municipal Civic Center

Energy Measures Lighting, Occupancy Sensors, Boiler Pump Controls, Chiller Water Pump, Sequencing

Total Project Cost $308,550

EECB Grant $283,054

Total DCEO Incentives $25,496

Final Project Cost $0

Annual Energy Savings $60,000

Payback 0 years

Funding…• DCEO Illinois Energy Now• Conservation Block Grant from American

Recovery and Reinvestment Act• Fully funded!

Implemented Strategies

Adjust fan system schedule

Boiler system measures

Operation of VFDs

Minimize reheat

Improved lighting control

DCV

RCX

0

10

20

30

40

50

60

70

80

90

0

500

1,000

1,500

2,000

2,500

149

999

714

9519

9324

9129

8934

8739

8544

8349

8154

7959

7764

7569

7374

7179

6984

6789

6594

6399

6110

459

Tem

p. (F

) and

Rh

(%)

CO2

ppm

CO2

Rel. Humidity

Temperature

Sept. 3

Public LibraryBuilding Type LibrarySquare Footage 95,568 sfRCx Study Cost (paid by DCEO)

$0 to Owner

Implementation Cost

$10,797

Annual Energy Savings

172,804 kWh, 10,394 Therms

Annual Energy Cost Savings

$26,739

% Cost Savings 14%Payback 0.40 years

… Repair and control of existing equipment

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NEW CONSTRUCTION DESIGN ASSISTANCE

Recreation Center• Recommended Strategies beyond code:

• Install demand control ventilation throughout facility• Increase efficiency of mechanical systems• Utilize higher performance glazing• Add air sealing to building specifications• Further reduce lighting power density

• Recommended Best Practices:• Building Automation System• Full building commissioning• Bi-level switching in stairs

51% Energy Cost Savings (vs. ASHRAE 90.1-2007)

Potential of$63,969 in DCEO incentives!

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NEW CONSTRUCTION INCENTIVES

Case study by SEDAC

What they got… Prescriptive Incentive for

individual measures.

They did not model the building due to costs constraints

What they did…New 39,115 recreation center▪ Increased roof and wall R-values▪ Reduce lighting power density by

almost .3 W/sf▪ High Efficiency GSHP

Park District

Building Type Recreation Center

Energy Measures Lighting, HVAC, envelope, DHW

Annual Energy Savings $10,643

Incremental Cost $57,152

Total DCEO Incentives $77,467

Simple Payback 5.3 years

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PUBLICATIONS

SEDAC services remain free to the customer

Clients assisted (as of June 22, 2014): 1,507 energy assessments

RCx program 97 RCx Analyses completed

Trade Allies – SEDAC can: Assist in verifying data

Answer program questions

Provide additional services to your clients

SEDAC’S FACTS

Fun Facts!

Completed studies of over 158

million sf with an additional 8.9

million sf underway Recommended energy

savings of $54.8 M annually Typically identify 10-49%

annual cost savings! Nearly half of recommended

measures have simple

payback of 3 years or less!

APPLYING FOR SMART ENERGY DESIGN ASSISTANCE PROGRAM SERVICES

SUMMARY

12Illinois Energy Now | 1-800-214-7954 | www.ILenergynow.org

• SEDAC is in place to help identify cost effective energy efficiency solutions for buildings in Illinois

• Trade Allies use this as a “next step” for their clients, for ID of additional opportunities

• Many owners who have taken advantage of these programs.• Get your buildings involved in these programs!

▪ Energy Assessments▪ Retro-Commissioning▪ New Construction Design Assistance

Apply to SEDAC today!

www.SEDAC.org1-800-214-7954