HomeMy WebLinkAboutSiemens Clean Energy ProjectSIEMENS
Siemens Energy Environmental Solutions
City of Saratoga
Clean Energy Project
City Council Study Session
October 26, 2009
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Project Motivation
Preliminary Study Analysis
Potential Project Options
PC Project Development Process
Questions, Discussion
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Siemens Building Technologies
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Climate Change
Saratoga as "Green Leader"
Sophisticated population
Demand for high level of service
Shrinking resources
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lity Data Analysis Total Annual Expenditure
Saratoga Utility Spending*
Total
Expenditure:
>$400,000
Electricity
40%
Gas
5%
Water
55%
D Water
Gas
Electricity
LAM
Utility Data Anal sis Faci `I les
4.
City Hall Admin.
Theatre/ Engr. I Community
Development
Electric per Square Foot Index
North Campus sole
Warner House so.
Corp. Yard
Community I Senior Center
10,000 to 50.000 h "2 (Typ.)
Health Care (Typ.)
Al?
89
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1,-
Library
$0.00 $1 00 $200
Electric Cost per Square Foot
$3 00
54.00
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Utility Data Analysis Facili
a
Total Energy Cost Per Build ng
Warner House I $1.794
North Campus I $3.270
Corp. Yard' $7.002
City Hall Complex
(Admin/Theatre /Engr /Comm.
Dev el.
Library
f 550.000 5100.000 5150.000 5200.000 0250.000
Total
74
$12K
18
$3K
6
1K
99
$121(
4
1K
20
2K
0
$0
25
$3K
98
$12K
111
$13K
182
$25K
273
$33K
30 000
25 000
20 000
1 5000
n o 000
5 000
pie of Utility Data Analysis
0 0
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
�IdAlt -Base Load ____HDD CDDI
Electrical
(City Hall)
City
Districts
LLD 4
LLD 5
LLD 6
LLD 7
Totals:
City (LS -2)
2 500
2,000
1 500
000
Red fixture count
Blue electricity cost
500
0
Jan Feb
Mar Apr
'rearms
May Jun Jul Aug
HDD
Gas
(City hall complex)
Building Technologies
0
Sep Oct Nov Dec
CDD
Streetlight Expenditures*
PG E (LS -1)
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Quito
Azule
Sarahills
Village Res
455 $59K
450
400
3
300
250
200
150
100
50
Note: Does
not include
O &M costs
City LS, Medians, Parks
City Facilities
LLD 26
LLD 16
LLD 22
LLD 28
All others
Totals:
Theatre/
Engineering/ CD
Meter count Water cost
50 $170K
5 $16K
2 16K
2 10K
6 4K
1 3K
19 11K
85 $230 K
Red meter count
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Bellgrove
Beauchamps
Prides Xing
Kerwin Ranch
Blue water cost (2008 calendar year)
Building Technologies
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Facility Improvement Measu
HVAC upgrade
Building envelopes
Solar thermal
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dditional Facility Improvement Measure
PC Power Management
Window Film
Plug Load Controller
Thermal Storage
Solar Water Heating
Cool Roofs (long payback)
Building Technologies
Induction or LED
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Streetlights and Park Lighting
I
i
Facility Improvemen eas
Potential irrigation savings
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Parks,
Medians,
Landscaping
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Facility Impr
Solar photovoltaic potential with capital contribution
offsets 30% of consumption
Long payback
Parking lot reconfiguration is driver for cost
Option
Approx. Payback
Cost Ran ge
f +1- 20%)
Description
Option 1
10 years
$1 million
Low hanging fruit:
Lighting. PC pwr mgmt.
EMS, irrigation, streetlights
(assumes LLD capital cost
contribution)
Option 2
20 years
$1.4 million
Low Hanging fruit HVAC
Option 3
30 years
$4 2 million
Low Hanging fruit
HVAC
Library Parking Canopy
Solar PV
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Othe
Solar PV challenge: long payback
Modest solar PV configuration showing
environmental leadership without excessive cost?
Solar PV rebates can help cash flow
Eye to local companies
Solar PV scenarios
E uiIding Technologies
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Overview of Initial Project Options
Building Technologies
Option
Approx. Payback
Cost Range
Description
Option 1
"Base"
10 years
$1 million
Low hanging fruit:
PC power mgmt. EMS.
irrigation. streetlights
(assumes LLD capital cost
contribution)
Option
Plus"
15 years
$1.4 million
Low Hanging fruit HVAC
Option 3
"Stretch"
+/-15 years
$1.4 million
.2 -.3 million
(solar pv)
Low Hanging fruit HVAC
modest solar pv
bldg envelope FIMs i:cool roofs)
park lighting
Building Technologies
Total
Project
Size
EECBG (Formula competitive)
Library bond funds, LLD funds
4. Rebates
Capital lease
CEC 1% or 3% competitive
Internal lending
Market rate (bank)
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11 11 1 1111111 1 11
c Annual lease payments In
L L L ca to co
onceptual Cash F
Benefits of E ergy Performance Contract
Bundle FIMs to finance project as whole
Preserve capital for non energy priorities
Leverage savings from fast payback FIMs
Flexibility of procurement methodology
Performance Contract Pro
Sign
Memorandum of
Understanding
Mar /09
Utility Data Analysis,
Benchmarking,
Feasibility Study
Completed
Feasibility Study
Presentation
June, Sept/09
J.
COs
14. Evaluates j
Options
Oct/D9
1
Meet
LOI Criteria?
Pursue Letter of
Intent
Detailed Energy
Audit Technical
and Financial
Proposal
Presentation,
Approve Financials
Mar /10
0
Yes
Process Stop
No cost for Audit
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Sign
Contract
Program
Implementation
Savings Begin
our Payments to
ing Institution
Begin
Measurement
Verification,
Performance
Guarantee
Stop
Pay for
Audit
Conclusion
Building Technologies
Questions and
Discussion
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