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NREL is a national laboratory of the U.S. Department of Energy, Office of Energy Efficiency and Renewable Energy, operated by the Alliance for Sustainable Energy, LLC.
Spring 2012 Composite Data Products – Backup Power
J. Kurtz, K. Wipke, S. Sprik, T. Ramsden, C. Ainscough, G. Saur
April 3, 2012
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CDP-BU-01Backup Power Fuel Cell Systems Deployed
2009 Q3 2009 Q4 2010 Q1 2010 Q2 2010 Q3 2010 Q4 2011 Q1 2011 Q2 2011 Q3 2011 Q40
100
200
300
400
500
600
700
10 14 14 31 44
204 232
357
493
625
Backup Power Fuel Cell Systems Deployed
Cum
ulat
ive
Syst
ems
1,2 D
eplo
yed
NREL cdp_bu_01
Created: Mar-26-12 12:21 PM 1) Sites may have more than one FC system2) Not all FC systems are supplying operation data
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CDP-BU-02Deployed kW Capacity for Backup Power
2009 Q3 2009 Q4 2010 Q1 2010 Q2 2010 Q3 2010 Q4 2011 Q1 2011 Q2 2011 Q3 2011 Q40
200
400
600
800
1000
1200
1400
50 70 70 104 130
444 500
761
1063
1375
Deployed kW Capacity for Backup Power
Cum
ulat
ive
Dep
loye
d C
apac
ity [k
W]
NREL cdp_bu_02
Created: Mar-26-12 12:22 PM
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4
CDP-BU-03Backup Power Deployments
1-10
11-20
21-30
31-40
41-50
51-60
61-70
71-80
81-90
91-100
>100
NREL cdp_bu_03
Created: Mar-26-12 12:17 PM
State kW Capacity SitesArizona 84 16
California 515 111Colorado 24 5
Connecticut 92 20Florida 6 1Georgia 50 1Illinois 4 2Indiana 50 16
Kentucky 22 4Massachusetts 10 1
Michigan 164 40New Jersey 106 26New York 161 39
South Carolina 50 1Utah 36 9
Totals 1374 292
Site Capacity (line height proporational to installed site kW capacity)
Number ofSites in State
Backup PowerDeployments
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CDP-BU-04Fuel Cell System Starts by Month
0
20
40
60
80
100
120
140
160
180
200
220
Star
ts
Starts by Month
07/09
08/09
09/09
10/09
11/09
12/09
01/10
02/10
03/10
04/10
05/10
06/10
07/10
08/10
09/10
10/10
11/10
12/10
01/11
02/11
03/11
04/11
05/11
06/11
07/11
08/11
09/11
10/11
11/11
12/11
Calendar Month
1187 of 1191 Starts Successful (99.7%)45% Conditioning Starts
StartsConditioning1 StartSuccessful Start
0
6
12
18
24
30
36
42
48
54
60
Rep
ortin
g FC
Sys
tem
s
NREL cdp_bu_04
Created: Mar-26-12 12:22 PM 1) FC system conditioning is an automated operation for regularsystem checks; activitated after long periods of no operation.
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CDP-BU-05Fuel Cell System Run Hours by Month
0
10
20
30
40
50
60
70
80
90
100
07/09
08/09
09/09
10/09
11/09
12/09
01/10
02/10
03/10
04/10
05/10
06/10
07/10
08/10
09/10
10/10
11/10
12/10
01/11
02/11
03/11
04/11
05/11
06/11
07/11
08/11
09/11
10/11
11/11
12/11
Calendar Month
Cal
cula
ted
Run
time
[hou
rs]
Run Hours by Month
611 Total Runtime Hours
Run HoursConditioning1 Hours
NREL cdp_bu_05
Created: Mar-26-12 12:28 PM 1) FC system conditioning is an automated operation for regularsystem checks that are run after long periods of no operation.
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CDP-BU-06Cumulative Hydrogen Consumed by Month
0
10
20
30
40
50
60
70
80
07/09
08/09
09/09
10/09
11/09
12/09
01/10
02/10
03/10
04/10
05/10
06/10
07/10
08/10
09/10
10/10
11/10
12/10
01/11
02/11
03/11
04/11
05/11
06/11
07/11
08/11
09/11
10/11
Calendar Month
Hyd
roge
n kg
s C
onsu
med
Cumulative Hydrogen Consumed by Month
70.7 kgs Total Consumed H227,753 scf Total Consumed H2
NREL cdp_bu_06
Created: Mar-26-12 12:22 PM
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CDP-BU-07Fuel Cell System Starts by Day of Week
Sun Mon Tues Wed Thur Fri Sat0
5
10
15
20
25
30
35System Starts by Day of Week
Star
ts [%
]
DayNREL cdp_bu_07
Created: Mar-26-12 12:23 PM
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9
CDP-BU-08Fuel Cell System Starts by Time of Day
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 240
5
10
15
20
25System Starts by Time of Day
Star
ts [%
]
Time of Day
StartsConditioning1 Starts
NREL cdp_bu_08
Created: Mar-26-12 12:23 PM 1) FC system conditioning is an automated operation for regularsystem checks; activitated after long periods of no operation.
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CDP-BU-09Continuous Fuel Cell System Run Time
0 1 2 3 4 5 6 7 8 9 100
10
20
30
40
50
60
70
80
90
100
Continuous Run Time [hours]
Star
ts [%
]
Continous System Run Time
Max Continuous Run Time = 29 hours
0 10 20 30 40 50 600
5
10
15
20
25
30
Continuous Run Time [Mins]St
arts
<=60
min
s [%
]
NREL cdp_bu_09
Created: Mar-26-12 12:23 PM
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0
1
2
3
4
5
Uns
ucce
ssfu
l Ope
ratio
ns/S
tart
sUnsuccessful Operation Categories
EStopSystem Failure
NREL cdp_bu_10
Created: Mar-26-12 12:23 PM
CDP-BU-10Unsuccessful Operation Categories
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CDP-BU-11Time Between System Starts
1 2 7 14 28 310
5
10
15
20
25
30
35
Days
Freq
uenc
y [%
]
Time Between Starts
NREL cdp_bu_11
Created: Mar-26-12 12:23 PM
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CDP-BU-12System Start Ambient Temperature
<0 0 5 10 15 20 25 30 35 40 45 500
5
10
15
20
25
Ambient Temperature [oC]
Freq
uenc
y [%
]
Ambient Temperature at Start
NREL cdp_bu_12
Created: Mar-26-12 12:24 PM
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CDP-BU-13System Operation Time
5 10 15 20 25 30 35 40 45 500
5
10
15
20
25
Operation Hours
Num
ber o
f Sys
tem
s [%
]
System Operation Hours
NREL cdp_bu_13
Created: Mar-26-12 12:24 PM