54% 3-6 yr 26% >30% AWS
GPG FINDINGS
022
MAY 2015
WIRELESS ADVANCED LIGHTING CONTROLS
OPPORTUNITY How much energy is used for lighting in U.S. commercial buildings?
26%
> 30%
GOES TO LIGHTING1
WITH ADVANCED LIGHTING CONTROLS (ALC)2
OF ELECTRICITY
DEMONSTRATED SAVINGS Compared to national average EUI of 4.1 kWh/ft2/yr
ONLY 2% OF U.S. COMMERCIAL BUILDINGS IMPLEMENT ALC 3
TECHNOLOGY How do Wireless Advanced Lighting Controls work?
WIRELESS NETWORKING ENABLES ALC FUNCTIONALITY WITHOUT THE EXPENSE OF INSTALLING DEDICATED CONTROL WIRING
Wireless Area Controller
Ethernet/IP System Controller
M&V Where did Measurement and Verification occur?
Additional Areas & Buildings
LAWRENCE BERKELEY NATIONAL LABORATORY assessed wireless advanced lighting controls provided by Daintree with new fluorescent lamps and dimmable ballasts at the Moss Federal Building in Sacramento, California, and with LED fixtures at the Appraisers Building in San Francisco.
RESULTS How did Wireless Advanced Lighting Controls perform in M&V?
54
INCREASED
3-6
78% SAVINGS INCLUDING LED4
IN LIGHT LEVELS TO SUIT USER PREFERENCES5
FOR RENOVATIONS6
%
yr INCREMENTAL PAYBACK
FLEXIBILITY
SAVINGS
Normalized for GSA
Payback for Advanced Lighting Controls Savings are heavily dependent on baseline conditions Wireless Advanced Lighting Controls
Wireless Advanced Lighting Controls and LED Fixtures
GSA Avg. Lighting Energy Usage (EUI: 3.25 kWh/ft 2/yr): 54% savings
20
GSA Avg. Lighting Energy Usage (EUI: 3.25 kWh/ft 2/yr): 78% savings
20
Simple Payback (in years)
U.S. Avg. Lighting Energy Usage (EUI: 4.1 kWh/ft 2/yr): 64% savings En
15 En
erg
yC
ost
:$
10
Ene
rgy
0.1 2 /k
Cos
5
0 $3.00
U.S. Avg. Lighting Energy Usage (EUI: 4.1 kWh/ft 2/yr): 83% savings En
er
gy
15 Co
st:
Wh
t: $ 0
$0
.08
/kW
h
10
En
erg
yC
os
t: $
0.1
er
2/k
gy
Co
st
:$
0.0
8/
kW
h
Wh
En
En
.12 /k W
h
erg
yC
ost
:$
0.0
8 /k
5
Wh
Ene
erg
rgy
yC
os
Cos
t: $
t: $
0.0
0.12
8 /k
W
/kW
h
h
0 $2.50
$2.00
$1.50
$1.00
Installed Cost ($/ft ) 2
$0.50
$4.50 $4.00 $3.50 $3.00 $2.50 $2.00 $1.50 $1.00 $0.50
Installed Cost ($/ft2)
DEPLOYMENT Where does M&V recommend deploying Wireless Advanced Lighting Controls?
INTEGRATE WITH LED FOR RENOVATIONS Also consider for retrofits, targeting facilities with minimal lighting controls, high lighting energy use (EUI > 3.25 kWh/ft2/yr) and utility rates > $.10 kWh*
Wireless Advanced Lighting Controls Retrofit Demonstration. Francis Rubinstein (LBNL), April 2015, p.7 Ibid, p.7,39 5 Ibid, p.7,39 6 Ibid, p.7,39 *Subject to evaluation and approval by GSA-IT and Security
1
2
Ibid, p.23
3
Ibid, p.23
4
The GPG program enables GSA to make sound investment decisions in next generation building technologies based on their real world performance. www.gsa.gov/gpg
022
MAY 2015
WIRELESS ADVANCED LIGHTING CONTROLS
OPPORTUNITY How much energy is used for lighting in U.S. commercial buildings?
26%
> 30%
GOES TO LIGHTING1
WITH ADVANCED LIGHTING CONTROLS (ALC)2
OF ELECTRICITY
DEMONSTRATED SAVINGS Compared to national average EUI of 4.1 kWh/ft2/yr
ONLY 2% OF U.S. COMMERCIAL BUILDINGS IMPLEMENT ALC 3
TECHNOLOGY How do Wireless Advanced Lighting Controls work?
WIRELESS NETWORKING ENABLES ALC FUNCTIONALITY WITHOUT THE EXPENSE OF INSTALLING DEDICATED CONTROL WIRING
Wireless Area Controller
Ethernet/IP System Controller
M&V Where did Measurement and Verification occur?
Additional Areas & Buildings
LAWRENCE BERKELEY NATIONAL LABORATORY assessed wireless advanced lighting controls provided by Daintree with new fluorescent lamps and dimmable ballasts at the Moss Federal Building in Sacramento, California, and with LED fixtures at the Appraisers Building in San Francisco.
RESULTS How did Wireless Advanced Lighting Controls perform in M&V?
54
INCREASED
3-6
78% SAVINGS INCLUDING LED4
IN LIGHT LEVELS TO SUIT USER PREFERENCES5
FOR RENOVATIONS6
%
yr INCREMENTAL PAYBACK
FLEXIBILITY
SAVINGS
Normalized for GSA
Payback for Advanced Lighting Controls Savings are heavily dependent on baseline conditions Wireless Advanced Lighting Controls
Wireless Advanced Lighting Controls and LED Fixtures
GSA Avg. Lighting Energy Usage (EUI: 3.25 kWh/ft 2/yr): 54% savings
20
GSA Avg. Lighting Energy Usage (EUI: 3.25 kWh/ft 2/yr): 78% savings
20
Simple Payback (in years)
U.S. Avg. Lighting Energy Usage (EUI: 4.1 kWh/ft 2/yr): 64% savings En
15 En
erg
yC
ost
:$
10
Ene
rgy
0.1 2 /k
Cos
5
0 $3.00
U.S. Avg. Lighting Energy Usage (EUI: 4.1 kWh/ft 2/yr): 83% savings En
er
gy
15 Co
st:
Wh
t: $ 0
$0
.08
/kW
h
10
En
erg
yC
os
t: $
0.1
er
2/k
gy
Co
st
:$
0.0
8/
kW
h
Wh
En
En
.12 /k W
h
erg
yC
ost
:$
0.0
8 /k
5
Wh
Ene
erg
rgy
yC
os
Cos
t: $
t: $
0.0
0.12
8 /k
W
/kW
h
h
0 $2.50
$2.00
$1.50
$1.00
Installed Cost ($/ft ) 2
$0.50
$4.50 $4.00 $3.50 $3.00 $2.50 $2.00 $1.50 $1.00 $0.50
Installed Cost ($/ft2)
DEPLOYMENT Where does M&V recommend deploying Wireless Advanced Lighting Controls?
INTEGRATE WITH LED FOR RENOVATIONS Also consider for retrofits, targeting facilities with minimal lighting controls, high lighting energy use (EUI > 3.25 kWh/ft2/yr) and utility rates > $.10 kWh*
Wireless Advanced Lighting Controls Retrofit Demonstration. Francis Rubinstein (LBNL), April 2015, p.7 Ibid, p.7,39 5 Ibid, p.7,39 6 Ibid, p.7,39 *Subject to evaluation and approval by GSA-IT and Security
1
2
Ibid, p.23
3
Ibid, p.23
4
The GPG program enables GSA to make sound investment decisions in next generation building technologies based on their real world performance. www.gsa.gov/gpg
