Lbnl India Commercial Building

8/8/2019 Lbnl India Commercial Building

1/20

Sowing the seeds for future efficiencyro rams :

The Commercial Buildings Sector

Maithili Iyer

Lawrence Berkeley National Laboratory

August 6, 2008


2/20

What do we know about thecommerc a sector n n a

1400

1600 Others

Other,

800

1000

1200

rillio

nbtu

Commercial

Residential

Lighti

ng,

60%

HVAC

, 32%

200

400

600t Agriculture

Industry

Total

1970

1972

1974

1976

1978

1980

1982

1984

1986

1988

1990

1992

1994

1996

1998

2000

2002

2004


3/20

Commercial Building Stock inIn ia

Distribution of buildings across major activity groups

3,500

4,000

4,5005,000

Private others

NGOs and NPI

1,000

1,500

2,000

2,500

3,000

Thousands ovt. &

Govt. &PSU , 16%

Private

others ,

2%

0

500

Manu

factur

ing

dwate

rsupply

Constru

ction

&Re

pairo

fauto

holes

aletrade

RetailT

rade

&Re

staura

ntsl

nsport,

stora

ge

comm

unica

tions

alint

erme

diatio

n

ate,Rentin

getc

ionandd

efence

Education

ands

ocial

work

ervic

eactivities

r v a e

, 4%

Pvt.Uninc.

Prop &

Electri

city,gas

a

Sale,

Maint.

Hotel

Tr

Post&Te

l

Financ

Reale

s

Publi

cadministr

a

Health

Othe

rcom

munity

v . n nc.

Part. , 78%

~13 million

Rural-urban split of 47-53; and 79-21 in PSU


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Commercial Building Stock inIn ia Cont .

Distribution of floorspace across major activity groups

1500

2000

2500

nsf

0

500

1000

e s s n . ; e

milli

Private

others ,4%

city,ga

sand

water

suppl

Constr

uctio

Who

lesale

trad

RetailT

ra

Hote

ls&Re

stauran

Transpo

rt,sto

rag

ost&

Tele

comm

unica

tio

Fina

ncial

inter

mediati

Renting

&Busine

ssSer

...

dmini

stration

and

defen

c

Edu

cati

Health

ands

ocial

wo

Othe

rcom

munitys

ervic Govt. &

PSU , 28%

Private

~

Elect

Realestat

e,

public

. .Prop &

Pvt.Uninc.

Part. , 65%

NPI , 3%

.

A rural-urban split of 40-60; and 47-53 in PSU


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ow oes t e commerc a sector n

the U.S. look?


6/20

Commercia Sector in t e U.S.

Energy Consumption in the U.S.

120000

60000

80000

ionbtu

20000

40000trill

0

1949

1952

1955

1958

1961

1964

1967

1970

1973

1976

1979

1982

1985

1988

1991

1994

1997

2000

2003

2006

n y es omm rans


7/20

Building distribution by activitytype

700

800

900

10,000

12,000

14,000

nsf)

# buildingsfloor space

300

400

500

600

bu

ildings

('000)

6,000

8,000

spa

ce(milli

0

100

200

0

2,000

4,000

floor

Educatio

n

Food

Sales

Food

Servic

e

HealthCar

e

Lodgin

g

Mercantil

e

Office

Publi

cAssemb

l

ublic

Orde

rand

Safety

Religiou

sWorshi

p

Servic

e

Wareh

ouse

,storag

eOthe

r

Commercial building Stock of ~ 4.8 million, with ~71 billion sf


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s n new construct on

100

120

60

80

I(kbtu/sf)

20

40E.

1995 (90.5)

1999 (85.1)

2003 (91)

0

Pre-1919 1920-

1945

1946-

1959

1960-

1969

1970-

1979

1980-

1989

1990-

1999

2000-

2003

Year constructed


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Status of energy codes in the

. .

Codes Compliance

AR 55%

CA 75%

IA 53%

ID 52%LA 65%

MA 46%

MT 87%

OR 100%

VT 58%

WA 94%


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Findings from LBNL study on additionalsavings opportunities in the buildingssector 8-10% gains beyond codes and standards are state of the shelf,

cost-effective in most buildin s and can be rescribed.

30% gains beyond code are readily doable in most buildings.

50% gains are uncommon but doable

fewer that 1 in 1,000 new buildings reach this level ofe c ency

Top measures are day-lighting, advanced controls

Savings beyond exisitng codes and standards 910

C C E

E l e c t r i c i ty P r ic e

1.00

1.20

1.40

5

6

7

8

/kWh

0.20

0.40

0.60

.

Qua

r0

1

2

3

4

.

2004

2006

2008

2010

2012

2014

2016

2018

2020

2022

2024

2026

2028

2030

cooling heating w-heating lighting

comm refrg ventilation standby aggregate3-Phase

,SinglePackage

Air-Sou

rceAC(

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