lbnl india commercial building
TRANSCRIPT
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Sowing the seeds for future efficiencyro rams :
The Commercial Buildings Sector
Maithili Iyer
Lawrence Berkeley National Laboratory
August 6, 2008
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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
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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?
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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
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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(