HomeMy WebLinkAboutMemorandum5.1.1c
DATE: April 15, 2004
TO: Honorable Mayor and Members of the Council
FROM: Karen Jost, City Clerk pS�
RE: Consideration of 37k Solar Electric Generating System
For New Town Hall
Consideration of the 37kW PV Solar System for the new Town Hall is being submitted to the
City Council for approval by the New Town Hall Committee. At their last meeting, the
Committee unanimously approved this item and authorized the Committee Chair to pursue
additional funding for the program from the Packard Foundation and/or the Donor Wall
contributions.
Town of Los Altos Hills
Summary Cost Estimates and Funding Sources
For Green Energy Program
Cost estimates Option 1 F Option 2 Option 3
and funding sources 20kW 30kW � F37kW
Cost of programs
Green Energy Loan
Rebates
Town Hall Energy Savings by Design
Self -Generation Incentive Program
225,116
(160,000)
333,163
(160,000)
388,484
(160,000)
(5,844) (5,844) (5,844)
(62,874) (138,107) (165,767)
Cash requirements (3,602) 29,212 56,873
Town of Los Altos Hills
Detail of Cost Estimates and Funding Sources
For Green Energy Program
Cost estimates Option 1 Option 2 Option 3
and funding sources 20kW 30kW 37kW
Cost of program
Traffic signals
16,200
16,200
16,200
Town Hall energy efficiencies
40,750
40,750
40,750
Solar system
168,166
276,213
331,534
171,611
Total costs
225,116
333,163
388,484
331,611
Funding sources
Cash requirements
(3,602)
29,212
Green Energy Loan
160,000
160,000
160,000
Rebates
Town Hall Energy Savings by Design
5,844
5,844
5,844
Self -Generation Incentive Program
62,874
138,107
165,767
Total rebates
68,718
143,951
171,611
Total loan proceeds and rebates
228,718
303,951
331,611
Cash requirements
(3,602)
29,212
56,873
r
d
CO
Y
O
N
r
O
CL
Lel
N N N N N N N N N N N N N N N N N N N N N N N N N N M
m 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0m N
V OO tD CDmmNN NN 0m Ok LO LO
N Tr OjN
N N M M N N CC) CO (V CV O O O1 COD 0) O r On
rvv v�cmcvpCmmrro�r�<t<cDCDmNr m
000000000000 0 0 000000000000 0
m m co Cl) N N r 00 O ^ O^ m m r r v d' M M N N N
�crD�N11m'1m��NN V �CmD�T��rmmCNO «Ni co eo m
N N CV N N N co CO C7 Cl) C7 Cl) co C7 C7 ch ai co It V V V' -t V V'ct
O O
O O
LO CD
00000000000000000000000000 O
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 O
00000000000000000000000000 O
00000000000000000000000000 0
ai ri m m m ai ri m ri ri m m ri m ri m ri m m m ri ri MMM ri
m
000000000000000000000000000 0
0000000000000000000000000000
000888888800000000000000000 O
0 C C 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 C 0 O
N N N N N N N N N CV
O
N
4
N N CO N N N N N N N N N N N N N N CO CO CO N N NNN N h
m m m m m m m m m m m m m m m m m m m m m m m m
LO 00
N O O
c
fDfD NCO CO CO f0 f0 (DN NCONNNCONNNNNNNCDNfO
co ro o0
c E
m m m m m m m m m m m m m m C m m rn m m m rn m m m m rn
r;r�r"ter �����r"��r r`��r•�r��Nr,Nr:r,
r 0O
LO L- Nm
N 2
OOt�}}CONtt�DONr Ommm00mm N ONm NO
00 wo VNNLq mrNCOrO�OmMngNgCOMMOONCO
O)
C
N
Oo—
OOOO
o8
O.
.
OOCA t` O W.m d0 OCD OIO CMO cC0A OV' c0O
Ow0e} 0 NMCO`OOOrrOV
cCO}
� 0o
fj
C-6
OMr CD CO
00 Co CO LD O CC)mT w N CO O' c{ m NN �t f�ONCn
m m N rn CD COM V O7 CO CV r
Q
d
M
N CD CD C2 N�rOO
r r r r r r r r r r r
C
W (b CD OD CO CO [O W Cb OD OD (Xi (xD fxD W CO t17 C7b a0 CO 00 NCO 0000 (l7m
M
:9 E
NNCDCDcDCDCDCDGiG cDNCDNCDCDNNCDCDNcr CDcy C CD
n
r
r�rr:r�r�r�rr:rr;rr�r;��r�r:r:r:�r;nr�Nrr
LO o
N -
10
0 r: N ?2 m co NMmCO OD
CD q Nr CDN N M
O CmDnN mA^^NteONN
C
D1 C
O N
CD )
CU
.V
. 'CO
O000VD DM O O N"m 0 O r r Oj'dO
NNM40 NmCO OD O NMD wmNO O
O
O CCDp
ci . . . . dCOQNOrM I cc NnOC\ONrO
Nvd00o0o0DWL000wo00cococcrrr`Nnr;
� a
0a
r m
coNminrMcorNrrmrmNr<toCnuDvroCDmCDm
O�I'rCDNNV;O LOOM 0) 00 N OD Mrd; CD r r rM
� 0 0
H F- Cn
m
M
'�''o
(D 00 r- COlO mCAN V'MO c"0mw d'w 0 007
mrC NC r. rfOMT NON CO V'NOOOD�U) (7)�
C\fC
O
W
D Cq
Om CO C\ N MN O--tD— -r rr r
NMQ7NNNNNNNNNN
CD
N
CC) C1
Cn
C �
•N
CD CO[OrrNNmmOOrrNNM22 :h 2q 2fCDrrNN
coo 0 0 0 0 0 0 0
U)
Y
N
00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
C', N N N N N
TN
CNS CNS C�N C�N CSN CSN C�N C�N C�N C�N CSN CSN CNV CSN `N� CSN C�N C�N CSN CSN CSN
N N N N N
V
a
N N N N N N N N N N N N N N N N N N N N N N
ZQ
i0
ooaoa0-00"0-0-0-0-0-0-0-0
O
N
4
T
2
0
4
y
J
O
3
h
G
d
U)
0
M
N
O
a
rol
u
001 O O O O O O O O O O O O O O O O O O O O O O O O O —co
C �F NNd'V'�hNNO)07 O7 QJNNOONCV LO LO h(0
mNNhnNN0101 mmmm 0) (D0 NLO
Z M :C\f C\f Cq ci��aaaaaa as:s:s ssss
00000000000000000000000000 0
4 00 'ri00 0 '0000 p� ai oo�} v(D0 ro
ro'� MM cOmrnrnTd rnrn(ommm V CO(OC)C)Mm(Ah
NN 00mm MMco co 07N N Lo U) m mNNOm N
N C h rz C
N rLO
L11 LO
00000000000000000000000000 O
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 O
00000000000000000000000000
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 O
Ln Ln L() Ln Ln Ln Ln LO LI) Lq LL'1 Ln Ln Ln Ln Ln L(i LL) Lo Ln Lq Ln Lq LO Ln Lo O
Cl) Cl) Cl) Cl) co co Cl) co co M m Cl) M M CM cM co co CM M M Cl) CO CO co Cl)
y y 000000000000000000000000000 O
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 O
.rm
666600000000000000000008000 0
c O O o 0 0 0 0 0 0 0 0 0 0 0 0 0 0 o O O O o 00 0 0 O
�, o 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 o O
U) y CV N N N N N N N N N N N N N N N N CV N N N N N N N N N V
V Lo
O1 �
c H
W
m m m m m N m m m m m CO N m m m m m N m m m m m m CO I� Lo 00
0)CA CA W [A CA a)C1IO CA CA O)CA W W CA O)m CA CA CAmOCA mCA f� N OO
C CO CO tp W OJ CO [O mCO CiI CO CO CU Cb Cti aD CO W CO CO tp CU OD CO CY)[O D1 (+1 (�00
o k (0i
y E m m m m m m m m m m m m m m 0 m m o m m m m o o m m c Lon
c C o1 o1 o1 a1 a1 o1 o1 01 01 01 01 01 01 01 01 01 01 o1 o1 G aC 01 o1 0
l0 t`rnt`t;rnrrrnrnr: r: n"t�r�t�r�r��r;n n n r, Ln NC7
CL
N 2
m
C
O Oee}}LO NmO COn OCA O 0100Mmr mm ON CA NO 00—
OOcY LDMm V mCA (DnOLn CAOMmNr V OR (O mMCOMO OO
Cl0 m(O W rLrT d'r�aU LO N Ln n 0 c N 002 OO W NOOO W 0 mMNm "t (o :3 OO
OOOOmin(pOn OMn D 00
.O O 0- 0 o O N0O't n m O
M m0W mnm LO co Qa(D
(D N
Cn
O
N
t0N W m MmhNhn CA nmm gO LO mg n0 LC1O
M
o
LO
N m V' O 0 O M V. M CA 04. N I" m q C? h V Ln t` r h C+7
tO CO d' tO Lfj OI CA P� pp LO t: C 0 ,1'o M 00 w M tt m
CA C,,o 'o, NV NOm COg mm �d'O)Ly� Om
M
pp
V
LO W OD ap OD CO 00 W [O CU CO N OJ CO CO CO OD W OD N CO CO OD lX1 CO W C71
C7
m
m 0 fO CD CO 0 CO CO CO m m m m m m CO m 0 m 0 (D 0 CO m CO m
CA 01 W 0) D) 0) CA CA D) 01 CA D) 0 W 01 CA CA 0I CA CA W 0101 CA D1 W q
r
m C1
n" r, r- r- r-rrl- r,r.r-I-tl— r; h'NP,r;r:rv�-r:rlr=r-rlrl
LO
.ro
N
o
000 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
01
OfOm Mf�LON (O O CAO^ V OOMM V' MM a)M0
O Ln h Mf rUn cq V'�DW nf`�N (q (P .
O
O
C
to 41
co N 01
.'tNnNM
OOhd'N M w0 0'd' mm(900Ni�'d' M LO OIC N wIt(O
O
C�
CAmmmmmCO pp�1O Nd'(O COONlO OD LnNNn (O (D
01m CnOr NM V'CO I�OO W OrP')<t�m W (A O(V MLf1 (O 1L
O
O
C_A C
y2 a
CO It V'(nLO0(A LO LO LO LO Lp(O(O(O(O (D (O t0 tD lhnnl�r�h
�
U
O
N
t0N W m MmhNhn CA nmm gO LO mg n0 LC1O
M
o
LO
N m V' O 0 O M V. M CA 04. N I" m q C? h V Ln t` r h C+7
tO CO d' tO Lfj OI CA P� pp LO t: C 0 ,1'o M 00 w M tt m
CA C,,o 'o, NV NOm COg mm �d'O)Ly� Om
M
pp
V
t: CAOCA mnrolli d'MNrO W f�CO ID 'd;, Nr O CO h to 4 M r
m
ry.M
mMMCV CV NCVNNNNCV CVrrrrrrrr
m C1
c �
.ro
Ln 0 N n n m m 0 CA O O r r N N M m d' :1 Lo LO CO 0 h n m m
000 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
N N N N N N N N N N N N N N N N N N N N N N N N N N N
NNNNNNNNN
y
a
NNNNNNNNNNNZC"4
�aa5a(�a(�*Cll �a(�a�a�a�a
o
00 r 0-0-0-0-0-0 r 0-0-0-0"0 r o r
O
N
a
rn o 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 o N
d' n n O O n n n n 0 0 m m m m m m O 0 0 0 m m N N m O
r c00cOOCO Mr+N- V'iIO, nOOMMcnOcnOOOl tnnNNco0cm0
ZIL 2.LIL �,L a m. s a a 11:1:11-d.. �..l:szi s s e ssv (D co f.O.s
O O O O O O O O O O O O O O O O O O O O O O O O O O O
m O m m c0 O m m m m m m "1" N N W@ V g n n O O m
OOMMMImO �OnD O O2 n; n; 0Oa� 'It It �OnDN NcmD cmDT ON
�r1)�.��ul N0 Dc0 c0(D m ro r n n h h r, N CO OD OD 0) O h
O O
Ld LO
00000000000000000000000000 0
00000000000000000000000000 O
00000000000000000000000000 O
00000000000000000000000000 Lq Lq Iq Iq IL 0 IqO
mmMmMMMmmmmmmmMmMmMMMMmmmm
rn
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
000000000000000000000000000 0
000000000000000000000000000 C
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0
NNCV NCVNNNNNNNNNNNNNNNNNNNNNN V'
00
m m m m m O M M m m m m m m m m m m m m m
c coaoMMo�cocoMedMMM0000coOoaoMcoMMcdMMcoaooi Cl) m 00
E mmmcommcOCOCOCOCOCOCOmcOCOCOCOCOfOfOCOCOcO(OCOr T ar
00
m m m m m m m m m m m m m m m m m m m m rn rn m m m rn m �+ 0 0
r:nrr;rrrrrr:r;rr`r;rrr��rnnrrr;nN LO m NC6
N 2
CA
C
.N
O O
cct� LOO C\l 20 00 n 0M00 OOMmr W ONm m0 00-
d cO V; m mc0 r; 00 m O C90
COOO�r m rOmmNrV CO mM (qr MO OO
NVOOm n000mOOJ O w N0 N Oco OMO OOL
.aGOONMcmom 00 mOMOO
OO r m O Omw0 mOOLq O n dnroO O m 0 cn 0 0 A t C NO OgLnl�cOONOUVm0mcV O
aTT�2 TU
Q
N
O
N
M m m CO m m m m m CO N m m m m m m m m m m m m m m m r�
OmmCAmOmmmmmmmCAmmmmmmmCA mCA CA min
O
N
C
MMCOODCOCOMM00 W M000DM W MM W ODCOMC000MM00m
M
N C
E
mOm cO m c0 c0 O O m O c0 m c0 m m O O CO O O m m m m
mMmmmCAmmCAmmmmm�mmmOmmCA mCAmmm
r
r
rrr�rrr;rrrr�r,r-nr"r'r-rl.rlNNNr'rNN
LO
o
N
-
75
O COmmr� ON CO O OO V'mMMd' mMmMm
OOnM1�rOmMmfO �tmmh�N mmNO'V.
O
O
m C
y.N N
Co 0 CA
'V
.r�Nm
O ol-t NOiLOm Coll LoW!1OO N r� ML,20N r�OOV'c0
mmmmmmmmO N V Q 0 c o OM P, c0 c0
hmmOrq
O
O
CD N
p ro[
•y=
mmmOrNM V;, O7 c0 coG 0C V MO cO r%
Mvd LO LO to LOOLnuiuiwc0c0mcoo0coOr'r-nI,rin
O
m
w
0 a
co LO mLcppnNnmm�mco �to0l0 vn0Lo
O 'd;r cq CO V OCOOM d' M m NNn m C?Lq fl r
CO
N
*'o
�O
Om 4 0LOP7�ANaMp MIhCO(O V'OMm Mcc) c}M
mnODm m mmnn COO V NOmOt� mO OD V'cO OO
O
cY
�.m
r, m0mmn cO0 V'mN OCA r�tO ccl 'dam N r0 mn0� Mr
m
W
m m M N N N N cm N N N N N r r r r r r r r
L
m
e�
ro
Ommnnmmmm00-7NNMM d <tOO(OfOnnmm
to
0 o o 0 0 0 0 0 0
0 0 0 0 o O O o 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
T '�O
aNC�NL�NL�NL�NL�NL�NL�NL�N aN L�N L�N L�N C�N aN c�N L�N L�N L�N NNL�N c�N LNC L�N aN L�N
N
a
N N N N N -C.\,N N N N N N
N N N N N N N N N N N '(BN 'a
ria(oa�a�oa�a�a�a�a�a�a�a�a�a
o
00-0-0-0-0— o r o r o r O r O r O r O r O r
r—
O
N
Akeena Solar, Inc. 605 University Ave., Los Gatos, CA 95032 www.akeena.net 408-395-7774
April 5, 2004
Breene Kerr
Town of Los Altos Hills
26379 Fremont Road
Los Altos Hills, CA 94022
RE: 19.6kW PV System
Dear Breene:
We are pleased to submit this preliminary feasibility analysis for a Solar Electric
Generating System to be installed at the proposed new town hall in Los Altos Hills. The
system that we propose is summarized below and described in detail in the following
pages.
PV System Investment Summary 128 Modules
Total Price $168,166
Renewable Buydown Rebate -$62,874
Price Net of Rebate $105,292
Less Refundable Audit Fee $0
State Solar Tax Credit $0
Federal Solar Tax Credit (pending)
10% Federal Tax Credit (business) $0
Net Price $105,292
Budgetary Cost Allocation
128 NT185-U 1
Modules $
91,179
54%
8 12500 UL -SBD
Inverters $
19,603
12%
Balance of System Components
$
16,418
10%
Ca-borl I$
40,967
24%
Total I 1
$168,166
100°/a
PV System Savings Summary
Peak Power Output (DC watts)
Annual Energy Output (kwh/yr)
First Year Energy Savings
Total Energy Savings (30 yr life)
Avoided CO2 (tons) (30 yr life)
Avoided NOx (pounds) (30 yr life)
Avoided SO2 (pounds) (30 yr life)
Locked In Net Cost/kwh (30 yr life)
Tax Free Rate of Return
Net Present Value
Scenario A
23,680
30,296
$ 5,359
$ 356,021
320
590
174
$ 0.1158
8.4%
$ 27,338
Copyright 2003 Akeena Solar, Inc.
-.---.--- ._.Confidential Material— __.._...-.--
Akeena Solar, Inc. 605 University Ave., Los Gatos, CA 95032 www.akeena.net 408-395-7774
April 5, 2004
Breene Kerr
Town of Los Altos Hills
26379 Fremont Road
Los Altos Hills, CA 94022
RE: 30kW PV System
Dear Breene:
We are pleased to submit this preliminary feasibility analysis for a Solar Electric
Generating System to be installed at the proposed new town hall in Los Altos Hills. The
system that we propose is summarized below and described in detail in the following
pages.
PV System Investment Summary 200 Modules
Total Price $276,213
Renewable Buydown Rebate -$138,107
Price Net of Rebate $138,107
Less Refundable Audit Fee $0
State Solar Tax Credit $0
Federal Solar Tax Credit (pending)
10% Federal Tax Credit (business) $0
Net Price $138,107
Budgetary Cost Allocation
200
NT185-U1
Modules $142,765
52%
13
12500 UL -SBD
Inverters $ 31,921
12%
Balance of System Components
$ 32,233
12%
Labor
$ 69,294
25%
Total
$ 276,213
100Q1a
PV System Savings Summary
Peak Power Output (DC watts)
Annual Energy Output (kwh/yr)
First Year Energy Savings
Total Energy Savings (30 yr life)
Avoided CO2 (tons) (30 yr life)
Avoided NOx (pounds) (30 yr life)
Avoided SO2 (pounds) (30 yr life)
Locked In Net Cost/kwh (30 yr life)
Tax Free Rate of Return
Net Present Value
Scenario A
37,000
47,825
$ 8,459
$ 562,018
499
921
271
$ 0.0963
10.1%
$ 71,263
Copyright 2003 Akeena Solar, Inc.
---- Confidential
Akeena Solar, Inc. 605 University Ave., Los Gatos, CA 95032 www.akeena.net 408-395-7774
April 5, 2004
Breene Kerr
Town of Los Altos Hills
26379 Fremont Road
Los Altos Hills, CA 94022
RE: 37kW PV System
Dear Breene:
We are pleased to submit this preliminary feasibility analysis for a Solar Electric
Generating System to be installed at the proposed new town hall in Los Altos Hills. The
system that we propose is summarized below and described in detail in the following
pages.
PV System Investment Summary 240 Modules
Total Price $331,534
Renewable Buydown Rebate -$165,767
Price Net of Rebate $165,767
Less Refundable Audit Fee $0
State Solar Tax Credit $0
Federal Solar Tax Credit (pending)
10% Federal Tax Credit (business) $0
Net Price $165,767
Budgetary Cost Allocation
240
1
NT185-U1
Modules $170,931
52%
15
2500 UL -SBD
Inverters $ 36,749
11%
Balance of System Components
$ 39,414
12%
Labor I$
84,440 1
25%
Total
$ 331,534
100°/a
PV System Savings Summary
Peak Power Output (DC watts)
Annual Energy Output (kwh/yr)
First Year Energy Savings
Total Energy Savings (30 yr life)
Avoided CO2 (tons) (30 yr life)
Avoided NOx (pounds) (30 yr life)
Avoided SO2 (pounds) (30 yr life)
Locked In Net Cost/kwh (30 yr life)
Tax Free Rate of Return
Net Present Value
Scenario A
44,400
57,390
$ 10,151
$ 674,422
599
1,105
326
$ 0.0963
10.1%
$ 85,477
Copyright 2003 Akeena Solar, Inc.
---- Confidential Material-------
A < \. j I 7
( : keen# Solar bic §\\ {
m __y__ L -_%ate !sAllos B . Hatt \y.;
\ \ m ) m ,+= ,
/ __mom m \
� ^«
C
r p
c
c
co
m
I
..........................
+n
cq
a a