Hank CourtrightSenior Vice President,Member and External RelationsElectric Power Research Institute

2011 Summer SeminarAugust 1, 2011

Energy Efficiency… Lessons Learned From EPRI Energy Efficiency Demonstrations

2© 2011 Electric Power Research Institute, Inc. All rights reserved.

End-Use Technology Pipeline

Technology

Scouting

Assessment

and Lab

Testing

R&D Field

Tests/Demos

10s to 100s

of Units

Coordinated

Early

Deployments

100s – 1000s

of Units

Full

Program

Rollout

Accelerating Readiness of Emerging Efficient Technologies

3© 2011 Electric Power Research Institute, Inc. All rights reserved.

Variable-Refrigerant-FlowAir Conditioning

LED Street and Area Lighting

Efficient Data-Centers

“Hyper-Efficient” Technologies

Accelerate emerging technologies through real-life performance data

Heat-Pump Water HeatersDuctless, Residential Heat-Pumps and Air-Conditioners

Hyper-EfficientResidential Appliances

4© 2011 Electric Power Research Institute, Inc. All rights reserved.

EE Demo Deployment

TechnologyNew UnitsInstalled

ControlUnits

Ductless Heat Pump 23 9

Heat Pump Water Heater 151 30

Hyper-Efficient Appliances 69 63

Variable Refrigerant Flow AC 5 1

LED Street and Area Lighting 239 Existing units

Energy Efficient Data Centers 50 Existing units

TOTAL 537 103

Re

sid

en

tia

lC

om

me

rcia

l

5© 2011 Electric Power Research Institute, Inc. All rights reserved.

Residential Ductless Heat Pump

• Preliminary analysis of energy savings shows 15-20% reductions

• All sites successfully heated homes through the 2010-2011 winter withoutneed for backup heat (heat pump only)

• Retrofit applications or for homes without air conditioning

BPAFirstEnergy

TVA

Southern Co.

6© 2011 Electric Power Research Institute, Inc. All rights reserved.

Heat Pump Water Heater

Efficiency

• COPs as predicted between 1.0 and 2.5

• Some models more efficient than others

Performance

• All models performed well

Customer Satisfaction

• Generally positive

15 gal/day

78 gal/day

218 gal/day

0.0

1.0

2.0

3.0

4.0

5.0

40.0 45.0 50.0 55.0 60.0 65.0 70.0 75.0 80.0

Monthly Average of the Temperature Measured Near the HPWH (°F)

Mo

nth

ly C

OP

Model AModel BModel C

Each Bubble Represents a Unique Site

Bubble Size Approximates the Average Amount of Water Use per Day

High Average Daily Water Draw Labeled in Red, Medium in Blue, Low in Green

Preliminary Results

7© 2011 Electric Power Research Institute, Inc. All rights reserved.

High Efficiency Appliances

Washer/Dryer

• Average energy savings of 20% per washer-dryer load

• Average hot water savings (gallons) of 42% per load

Refrigerator

• Average energy savings of 49%

8© 2011 Electric Power Research Institute, Inc. All rights reserved.

Commercial Variable Refrigerant Flow

• Monthly energy savings range of 25 – 47%

• 24 Ton VRF system installed on a set of 8 classrooms

• Side-by-side comparison between VRF and similar set of 8 classrooms conditioned with baseline air-source split system

Faith Academy, Mobile, AL

9© 2011 Electric Power Research Institute, Inc. All rights reserved.

Data Center Efficiency

• DC Power – 15% reduction

• Power Supply Retrofits – 20% reduction

• Airflow management – 77% reduction (fan load)

CRAC/CRAH –

Computer room

air conditioner/air

handler

10© 2011 Electric Power Research Institute, Inc. All rights reserved.

Before – 310 watts each

LED Street and Area Lighting

•Test sites had greater than 25% energy savings

•Equivalent or better light quality

After – 94 watts each

Knoxville, TN

Colors are

approximate

11© 2011 Electric Power Research Institute, Inc. All rights reserved.

Innovation at Work

Brillion, WI

Intrepid EPRI Technician

“SCOTTY”the Mobile

Photometric Data

Acquisition System

12© 2011 Electric Power Research Institute, Inc. All rights reserved.

End-Use Technology Pipeline

The

Next

Step

Technology

Scouting

Assessment

and Lab

Testing

R&D Field

Tests/Demos

10s to 100s

of Units

Coordinated

Early

Deployments

100s – 1000s

of Units

Full

Program

Rollout

Accelerating Readiness of Emerging Efficient Technologies

“Hyper-

EE Demo

2”

13© 2011 Electric Power Research Institute, Inc. All rights reserved.

Riding the Efficiency Pipeline!

14© 2011 Electric Power Research Institute, Inc. All rights reserved.

Panelists

Arshad Mansoor

Senior Vice President, Research and

Development, Electric Power Research Institute

Susan Story

President and Chief Executive Officer,

Southern Company Services

Terry Boston

President and Chief Executive Officer, PJM

15© 2011 Electric Power Research Institute, Inc. All rights reserved.

Our Question

What are the key factors

(Technology, Codes and Standards,

Markets, and Consumer Behavior)

that will impact energy efficiency

adoption in the future?

16© 2011 Electric Power Research Institute, Inc. All rights reserved.

Audience Response Question

Rank the key factors that will

impact energy efficiency adoption

in the future.