Climate Change Mitigation and Sustainable Energy Initiatives

UNC Focus Forward April 7, 2010

Cindy Pollock Shea, LEED APDirector, Sustainability Office

UNC Chapel Hill

Overview

• Greenhouse Gas Emissions Inventory

• Climate Action Plan– Energy Supply– Energy Demand

• Campus Policies• Organizational Structure• Resources

Greenhouse Gas Emissions Inventory

UNC Chapel Hill

Emissions by Demand

Fugitive Emissions

0 100 200 300 400 500Thousand MTCDE

20082007

Air Travel

Building EnergyCommuting

Vehicle FleetLandscapingSolid Waste

Emissions Timeline

Climate Action Plan

Transportation

Conservation

Energy

Green Building

BehaviorSupply

ChainOffsets

Approach

($200)

($150)

($100)

($50)

$0

$50

$100

$150>

<

Scale

100,000MTCDE

Leve

lized

Cost

(Sav

ings

)per

MTC

DE

Cost

Carbon

Climate Action Plan

Renewables andFuel Switching

Efficiency

($200)

($150)

($100)

($50)

$0

$50

$100

$150>

<

Scale

100,000MTCDE

Leve

lized

Cost

(Sav

ings

)per

MTC

DE

Climate Action Plan

Near-term Portfolio

Near Term Impact

Lev

elized

Cos

t(Sa

ving

s)pe

rM

TCDE

Near-TermPortfolioA B C

DF G

H I JK

L

MNOP

E

$0

$100

>$150

$50

($50)

($100)

($150)

<($200)

Scale

100,000MTCDEA. Biomass Gasification at Carolina North (CN)

B. 100% Coal SubstituteC. 50% Coal SubstituteD. Plasma Gasification of MSW - SyngasE. Shops and Informal Contract RecyclingF. 50% Natural Gas, 50% Coal SubstituteG. Plasma Gasification of MSW: Syngas + Natural GasH. 50% Natural Gas

I. Biomass Gasification w/ Biochar Production (CN)J.Energy Conservation (Mid-High Investment)K. Large Scale BiomassL. Biomass Gasification at CN (Phase II)M.Solar Thermal (CN)N. Solar Thermal to Electricity (Troughs) (CN)O. Solar Thermal to Electricity (Dish Sterling) (CN)P. Demo Scale Concentrating Solar PV (CN)

32 Megawatt Coal-Fired Cogeneration Plant

• Twice as Efficient• EPA Awards• CO2 Reductions

Coal & Climate Change

• Climate Legislation• Monetization of Carbon• Coal Ash Regulations• Mining Regulations• Coal Free Campus Campaign• Energy Task Force

Potential New Energy Sources

Renewable Energy Special Projects Committee

• $4 Per Student Per Semester - 2003• Solar Thermal System on Residence Hall• Geothermal Wells at Botanical Garden• Photovoltaic System on New Parking Deck• Biodiesel Fuel in Point 2 Point Buses• Energy Efficiency • Lighting Upgrades• Shut the Sash

Technologies on the Horizon

Central Plant Efficiencies

Jun Jul

Aug

Sep

Oct

Nov

Dec

Jan

Feb

Mar

Apr

May

0.50

0.60

0.70

0.80

0.90

1.00

Chilled Water Electric Production EfficiencyUNC Chilled Water Systems

FY07 FY09

Ele

ctri

cty

Use

d p

er T

on

of

Co

oli

ng

(kW

/to

n)

Central Plant Cost Savings

Off Peak Chilled Water Production

Seven Year Record of Progressin Energy Reduction

2002-03 2003-04 2004-05 2005-06 2006-07 2007-08 2008-0910,000,000

11,000,000

12,000,000

13,000,000

14,000,000

15,000,000

16,000,000

17,000,000

18,000,000

100,000

110,000

120,000

130,000

140,000

150,000

160,000

170,000

180,000

Total GSF BTU per GSF

Tota

l GSF

BTU

per G

SF

Energy Efficiency

• Retrocommissioning / Building Tuneups• Lighting Retrofits• HVAC Improvements • Reduced Air Changes per Hour in Labs

Energy Conservation FY 2010

• Savings to date

$1,717,877• Outside Air and Dampers• Occupancy Schedules and Building Setbacks

http://save-energy.unc.edu/

New Technologies

• LED Lighting• Occupancy Sensors for Ventilation• Variable Air Volume Fume Hoods• Chilled Beams• Heat Recovery Chillers

High Performance/Green Building

• Senate Bill 668• LEED 2.2 and LEED 2009• Design Guidelines• Staff Training• Process Improvements• Designer Selection• Integration• Across Departments• Across Disciplines

Campus Specific Gap Analysis• Energy Modeling• Commissioning• Building Acceptance Process• Warranty Management• LEED Documentation

Transportation

Fare Free TransitCommuter Alternative Program

Behavior Change

Education

• Environmental Science

• Capstones• Climate

Leadership and Energy Awareness Program

Energy Policies• Campus Policies and Procedures • ADMINISTRATION u ATHLETICS u CONDUCTu EMPLOYMENT u NONDISCRIMINATION u

RESEARCH u STUDENTS • • Administration• Accounting of Disclosures of Protected Health Information (PHI) Policies• Alcohol: Guidelines for Serving Alcohol at University-Sponsored Events• Carolina Development Policies and Procedures• Charter of Chancellors Committee on Naming University Facilities and Units• Compliance Line• Credit Card Merchant Services Policy

• Energy Efficient Lighting Policy• Energy Efficient Purchasing Policy• Energy Use Policy

Organizational Structure at UNC Chapel Hill

Energy Services Energy Management

Facilities Planning and Construction

Sustainability Office

Transportation Demand Management

Facilities Services/HVAC

Office of Waste Reduction and Recycling

Environment, Health & Safety

EVERYBODY on CAMPUS

Wrap Up

• Ambitious Goals• Process of Continuous Improvement• Monitor and Measure• Report & Provide Feedback• Involve EVERYBODY

Additional Resources• American College and University Presidents Climate Commitment

http://www.presidentsclimatecommitment.org/

• Accelerating Campus Climate Initiatives, Rocky Mountain Institutehttp://www.rmi.org/Content/Files/RMI_AcceleratingCampusClimateInitiatives.pdf

• Clean Air Cool Planethttp://www.cleanair-coolplanet.org/toolkit/inv-calculator.php

• UNC Chapel Hill http://climate.unc.edu