HomeMy WebLinkAboutStaff Report 5.A 12/19/2011 Afenv t' Itesn'#5.4
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DATE: December 19, 2011
TO: Honorable Mayor and Members of the City Council through City Manager
FROM: Larry Zimmer, Capital Improvements Division Manager'0
SUBJECT: Resolution Authorizing the City Manager to Execute Loan Documents with
Pacific Gas & Electric for the On-Bill Financing Loan Agreement Program for
Energy Efficienc7'Iniprovements at the Swim.Center, Cavanagh Recreation
Center, Airport,.Senior Center,.Animal Shelter, Corporation Yard and Fire
Stations 1,2, and 3
RECOMMENDATION
It is recommended that the City Council the attached resolutionaauthorizing the City
Manager to execute;loandocuments with Pacific Gas & Electric for the On-Bill Financing Loan
Agreement Program for energy efficiency improvements at the Swim Center, Cavanagh
Recreation Center, Airport, Senior Center,Animal Shelter, Corporation Yard and Fire Stations 1,
2, and 3.
BACKGROUND •
Pacific Gas and Electric (PG8zET has recently developed.a loan program allowing municipalities
to implement energy efficiency projects that will pay back the initial capital loaned by the utility
through the savings in energy costs on the,monthly bill. The program allows municipalities to
borrow up to one million dollars for qualified projects where the energy savings will pay back
the loan within one-hundred:and twenty (120) months. Once the energy efficiency projects have
been fully described and approved by PG&E, the utility bill for the-affected meter will be set at a
typical monthly payment and the term of reimbursement will be calculated based upon the
savings.
The bulk of this loan will be used to renovate.the Swim Center pool heating boilers which are
beyond their service life and in need of immediate replacement. Additionally, the heating system
design is outdated and needs to be modernized to improve energy efficiency, and reduce
maintenance costs.
The remainder of the loan is for lighting retrofits at Cavanagh Recreation Center, Airport, Senior
Center, Animal Shelter,:Corporation Yard and Fire Stations 1,2.&3. This work is the
Agenda.Review:
City Attorney . Finance.Director City Manager I
continuation of the City's prior implementation of energy efficiency retrofits both to reduce
energy use and costs and to yield the resulting greenhouse gas'.enission reductions.
DISCUSSION
In 2006, the Association of Bay Area Governments (ABAG) created a service called Energy
Watch to assist small and medium sized government agencies with technical assistance for the
identification and implementation of energy savings projects within City facilities. Lighting
retrofits at the City Hall buildings, Police Station and Community Center were implemented in
2007 since they were the most effective projects of all city-owned facilities, in ease of
implementation, energy savings opportunity and return-on-investment time.
Facility tours of these locations identified the use of an older style, less efficient light fixture.
The retrofit of these fixtures to a more efficient T-8 lamp and magnetic ballast is one of the most
conventional, simplest and easiest projects to implement while yielding energy savings that
return the City's investment in one to four years.
The ABAG services also identified substantial energy savings at the Swim Center through
replacement of the pool heating boilers, installation of variable frequency drive pumps, and
pump optimization for both time-of-day and seasonal use. More recent assistance through
PG&E has identified additional savings measures through separating the heating systems of the
large and small pools, replacing the filter system type and installing on-demand water heaters for
the showers.
Staff has already submitted the program application forms,to PG&E which initiated facility
audits. PG&E has provided a detailed audit with specific measures, probable cost estimates,
applicable rebates and calculated return of investment;.these parameters are documented in the
table below. The finalized scope of work will be documented.in PG&E's On-Bill Financing
Loan Agreement for the total cost, rebates, monthly payment, term and number of payments.
The City is responsible for paying all project costs up-front and will be reimbursed by.PG&E
when construction is complete and PG&E has audited the retrofits.
Council acceptance of the attached resolution will provide PG&E assurance of the City's
commitment to the project. The resolution will then allow staff to contract with a pool engineer
to design the system retrofit. The design documents will then be publicly advertised and the
lowest cost bid will be brought to Council for acceptance. Similarly the lighting retrofits will be
competitively bid, which will confirm the costs. Any adjustments to the costs of implementing
an energy efficiency measure will change the'payback'period. Changes to the costs and payback
period are expected;and acceptable:to PG&E as long as the term of the loan will not exceed ten
years. The PG&E loan document will not be executed Until the implementation costs are set by
contractor bids.
Staff will work toward installing the pool retrofits before the scheduled 2012 season; if this goal
is not able to be met, staff will evaluate the most appropriate time to retrofit the pools with the
least disruption to pool users.
2
Completion of these and other energy efficiency projects will further support goals as outlined in
the City of Petaluma's currentaGeneral Plan setting forth the goals of preserving and improving
the natural and built environment of the City, protecting the health of its residents and visitors,
maximizing energy-efficiency andfostering its economy. Additionally, the City adopted
Resolution 2005-118, which commits the City to reduce greenhouse gas emissions produced by
25% below 1990 levels by 2015. Completion of these retrofit projects is one of many steps in
the overall goal to enhance our City environment.
FINANCIAL IMPACTS
The completed projects must be fully operational, and inspected by PG&E prior to the transfer of
loan funds to the City. Therefore, the City must fully fund the cost of this work until the loan the
PG&E funds are received. Staff is proposing a loan from the Community Facilities Impact Fee
Fund, which will be paid back in full with interest with.the PG&E loan. The loan is then paid
back with energy savings as previously described. The PG&E loan will also reimburse staff and
design consultant costs as long as the calculated return on investment time of all reimbursable
measures does not exceed ten (10) years, which is expected.
A portion of the City's costs for this project will be subsidized by PG&E rebates.
Retrofit Estimated Estimated Annual Bill Simple Annual Annual
Measures Measure PG&E Savings ($) Payback kWh Therm
Cost ($) Incentive (years) Savings Savings
(5)
Swim Center $34,150 $15,563 $22,251 0.8 157,324 0
Pump VFD*
Swim Center $102,600 $5,391 $1,617 60 0 5,391
Boiler*
Airport $36,503 $14,968 $18,243 0.8 99,792 0
Lighting
Animal $3,267 $490 $888 2.7 5,965 0
Shelter
Lighting
Cavanagh $7,190 $1,078 $1,459 4.1 7,982 0
Rec. Center
Lighting
Corporation $9,330 $1,399 $1,872 4.0 12,572 0
Yard Lighting,
Senior Center $9,185 $1,377 $2.615 3.5 14,309 0
Lighting
Fire Sta#1 $6,418 $3,544 $3,795 0.8 23,628 0
Lighting
Fire Sta#2 $4,613 $1,093 $1,333 2.6 7,292 0
Lighting
Fire Sta#3 $4,105 $677 $825 4.2 4,517 0
Lighting
3
Measures $217,361 $45,580 $54,898 2.837r- 333,381 5,391
Total Average
Project $35,000 $0 $0 n/a 0 0
Management
Design $15,000 $0 $0 n/a 0 0
Engineer
TOTAL $267,361 $45,580 $54,898 4.9 Years 333,381 5,391
LOAN
*The combined measures for the Swim Center have a 4.9 year payback period.
ATTACHMENTS
1. Resolution
2. PG&E General On-Bill'Financing Loan Agreement
3. PG&E Facility Audit of Swim Center
4
•
RESOLUTION AUTHORIZING THE CITY MANAGER TO EXECUTE LOAN
DOCUMENTS WITH PACIFIC GAS & ELECTRIC FOR THE ON-BILL FINANCING
LOAN AGREEMENT PROGRAM FOR ENERGY EFFICIENCY IMPROVEMENTS AT
THE SWIM CENTER, CAVANAGH CENTER, AIRPORT, SENIOR CENTER,
ANIMAL SHELTER, CORPORATION YARD, AND FIRE STATIONS 1, 2, AND 3
WHEREAS, City staff has worked diligently with PG&E Energy Solutions Division ("PG&E
Energy') to prepare analysis of energy usage at the Swim Centers to identify areas of increased
energy efficiency; and
WHEREAS, potential energy savings and costs for the Pool Pump Project and the Pool Boiler
Project are as reflected in the report of PG&E Energy to the City dated November 14, 2011; and
WHEREAS, City staff has worked diligently with The Energy Alliance Association (TEAA) to
develop a lighting retrofit project to realize energy efficiencies and utility bill savings; and
WHEREAS, the anticipated costs and energy efficiency savings for the Petaluma Airport,
Animal Shelter, Cavanagh Recreation Center, Corporation Yard, Senior Center and Fire Stations
#1, #2 and #3 facilities are as stated in the chart presented in the staff report accompanying this
resolution as Exhibit A and dated December 19. 2011; and
WHEREAS, City is responsible for initial cost of implementation of efficiency measures until
funds from PG&E loan is received; and
WHEREAS, the Community Facilities Impact Fee Fund has adequate balance to loan this
project up to $325,000.00; and
WHEREAS, City Staff and PG&E have selected energy efficiency measures to improve City-
owned`facilities wherein the combination of the staff and design costs and the cost of the
measures overall has a less than ten (10) year payback period.
NOW, THEREFORE, BE IT RESOLVED that the City Council of the City hereby:
1. Authorizes the City Manager to execute a loan agreement with PG&E for the General
On-Bill Financing Loan Agreement ("Agreement"), a copy of which is attached to this
resolution.
5
2. Authorizes a loan for the actual cost of implementation of the stated energy efficiency
measures from the Community Facilities Impact Fee Fund, to be paid back in full, with
the same interest that would have been earned if;held_-by-the City, immediately upon
receiving the PG&E loan.
3. The amount of the PG&E loan and repayment to be covered by the Agreement shall be
set pursuant to provisions in the attached Agreement, but shall not exceed $325,000,
unless adjusted.by PG&E and the City pursuant to the Agreement. In no event shall the
loan amount exceed,$325,000 (three hundred twenty-five thousand dollars) and the
maximum term of the PG&E loan of 10 years (ten years).
6
EXHIBIT A TO RESOLUTION 2011-
Retrofit Estimated Estimated Annual Bill Simple Annual Annual
Measures Measure PG&E Savings ($) Payback kWh Therm
Cost($) Incentive (years) Savings Savings
($)
Swim Center $34,150 $15,563 $22,251 0.8 157,324 0
Pump VFD*
Swim Center $102,600 $5;391 $1,617 60 0 5,391
Boiler*
Airport $36,503 $14,968 $18,243 0.8 99,792 0
Lighting
Animal $3,267 $490 $888 2.7 5,965 0
Shelter
Lighting
Cavanagh $7,190 $1,078 $1,459 4.1 7,982 0
Rec. Center
Lighting
Corporation $9,330 $1,399 $1,872 4.0 12,572 0
Yard Lighting
Senior Center $9,185 $1,377 $2,615 3.5 14,309 0
Lighting
Fire Sta#1 $6,418 $3,544 $3,795 0.8 23,628 0
Lighting
Fire Sta #2 $4,613 $1,093 $1,333 2.6 7,292 0
Lighting
Fire Sta#3 $4,105 $67,7 $825 4.2 4,517 0
Lighting
Measures $217,361 $45,580 $54,898 2.8yr 333,381 5,391
Total Average
Project $35,000 $0 $0 n/a 0 0
Management
Design $15,000 $0 $0 n/a 0 0
Engineer
TOTAL $267,361 S45,580 $54,898 4.9 Years 333,381 5,391
LOAN
7
Attachment 2
Pa CNC Gas Sid
. GENERAL OFF-BILL AND ON-BILL FINANCING'LOAN AGREEMENT
The undersigned customer (;Customer") has contracted for the provision of energy
efficiency/demand response equipment and services (the "Work") which qualify for one or more
of PG&E's applicable rebate or incentive programs. Subject to the conditions (including the
process for Adjustment and preconditions to funding) set forth below, Pacific Gas & Electric
Company ("PG&E") shall extend a loan (the "Loan") to Customer in the amount of the loan
balance (the "Loan Balance';)'pursuant to the terms of this On-Bill Financing Loan Agreement
("Loan Agreement") and PG&E's rate schedules E-OBF and/or G-OBF, as applicable (the
"Schedule").
To request the Loan, Customer has submitted a completed On-Bill Financing Application and
associated documentation as required by PG&E (the "Application"). Collectively the Application
and this Loan Agreement (including any Adjustment hereunder) comprise the"Agreement".
1. Customer shall arrange for its Contractor, as identified at.the end of this Agreement
("Contractor"), to provide the Work as described in the Application.
2. The estimated Loan Balance is set forth below: The total cost of the Work as installed,
rebate/incentive for qualifying energy efficiency measures, Loan Balance, monthly
payment, and loan term specified in this Loan Agreement may.be adjusted, if necessary,
after the Work and the post-installation-inspection described in the Application and/or
herein are completed (the"Adjustment"). The Adjustment will be calculated using the
actual total cost of the Work, as installed, and the estimated. energy savings (as
described in the Application) of such Work. In no event will the Loan Balance be
increased without Customer's written consent, even if Customer is eligible for such
increased Loan Balance. Moreover, in no event will the Loan Balance exceed the
maximum loan amount stipulated in the Application. Customer understands that in order
to be eligible for the Loan, the initial Loan, Balance for Work may not fall below the
minimum loan amount, nor may the payback period exceed the maximum payback
period. Accordingly, if after 'the Adjustment, the Loan Balance falls below the
minimum loan amount or if the simple payback period exceeds the program
maximum payback period, each as described in the Application, PG&E shall have
no obligation to extend the Loan, as the Work would not meet program
requirements.The Adjustment described in this paragraph will be communicated to the
Customer in writing and will automatically become part of this Loan Agreement, except
that any proposed increase in the Loan Balance will only, become part of this Loan
Agreement upon Customer's written consent:to such,increase.
3. PG&E shall have no liability in connection with, and makes no warranties,
expressed or implied, regarding the Work. Customer will be responsiblr for any
and all' losses and damage it may suffer in connection with, and any claims by
third'parties resulting from, the Work. Customer shall indemnify and hold harmless'
PG&E; ifs 'affiliates, and their respective owners, officers, directors, employees and
agents ;thereof, from and against all claims; demands, liabilities, damages, fines,
settlements or judgments which arise from or, are caused by (a) any breach of the
Agreement-:by Customer; (b) any defects or problems with the Work, or the failure of the
Work to deliver any anticipated energy efficiencies; (c) Customer's failure to pay any
amount due or claimed by'Contractor with respect to;the Work; or (d) the wrongful or
negligent acts or omissions of any party (including Contractor) in the conduct or
performance of the Work.
Form 79-1118
Page 1 of 5
June 17,2010
Advice 3118-G-A/3667-E-A
8
Pacific Gas Ea
4. Customer represents and warrants that (a) Customer is receiving this Loan solely for
Work obtained in connection with Customer's business, and not for personal, family or
household purposes; (b) Customer, if not an individual or a government agency, is duly
organized, validly existing and in good standing under the laws of its state of formation,
and has full power and authority to enter into this Agreement and to carry out the
provisions of this Agreement. Customer is duly qualified and in good standing to do
business in all jurisdictions where such qualification is required; (c) this Loan.Agreement
has been duly authorized by all necessary proceedings, has been duly executed and
delivered by Customer and is a valid'and legally binding agreement.of Customer duly
enforceable in accordance with its terms; (d) no consent, approval, authorization, order,
registration or qualification of or with any court or regulatory authority or other
governmental body having jurisdiction over Customer is required for, and the absence of
which would adversely affect, the legal and valid execution and delivery of this Loan
Agreement, and the performance of the transactions contemplated by this Loan
Agreement; (e) the execution- and delivery of this Loan Agreement by Customer
hereunder and the compliance by Customer with all provisions of this Loan Agreement:
(i) will not conflict with or violate any Applicable Law; and (ii) will.not conflict with or result
in a breach of'or default under any of the terms or provisions of any loan agreement or
other contract or agreement under which Customer is an obligor or by which its property
is bound; and (f) all factual information furnished by Customer to PG&E in the Application
and pursuant to this Agreement is true and accurate.
5. The Application must include the Federal Tax Identification Number or Social Security
Number of the party who will be the recipient of the checks for the rebate/incentive:or any
Loan proceeds. Checks may be issued directly to the Customer or its designated
Contractor or both, for the benefit of the Customer, as specified below. Customer
acknowledges that PG&E will not be responsible for any tax liability imposed on the
Customer or its contractor in connection with the transactions contemplated under the
Agreement, whether by virtue of the Loan contemplated under the Agreement, or
otherwise; and Customer shall indemnify PG&E for any tax liability imposed upon PG&E
as a result of the'transactions..contemplated under the Agreement.
6. Upon completion.of the'Work, Customer shall send a.written confirmation of completion
to PG&E's On-Bill Financing Program Administrator at the address-listed in Section 15.
Within 60 days after receiving the confirmation, PG&E (a) will conduct a post installation
inspection and project verification, including review of invoices, receipts and other
documents,as required by PG&E to verify the correctness of any amounts claimed by
Customer; (b) will adjust, if necessary, the total cost, incentive, Loan Balance, monthly
payment, and loan term as stated above; and (c) if PG&E deems necessary, obtain
updated financial information to verify that Customer has good credit standing (as
determined by,PG&E) prior to making the Loan. Customer shall give PG&E reasonable
access to its;premises and the Work and shall provide such updated financial information
to PG&E upon request. PG&E may decline to make-the Loan if PG&E determines, in its
sole discretion, that Customer does not have good credit standing at that time. If the
Work conforms to all requirements of the Agreement and all amounts claimed by
Customer as Work costs are substantiated to PG&E's reasonable satisfaction, and PG&E
is satisfied that Customer has good credit standing, PG&E will issue a check ("Check") to
Customer or Contractor(as designated by Customer in Section 15) for all amounts PG&E
approves for payment in accordance with the Agreement. The date of such issuance is
the "Issuance Date". If the Check is issued to Customer, Customer shall be responsible
for paying any outstanding fees due to Contractor for the Work. If the Check is less than
Form 79-1118
Page 2 of 5
June 17,2010
Advice 3118-G-A/3667-E-A
9
1 ' hµ Gasand
1d e
d
the amount due from Customer to Contractor,.. Customer shall be responsible for the
excess due to the Contractor.
7. Customer shall repay the Loan Balance to PG&E as provided in this Loan Agreement
irrespective of whether or when the Work is completed, or whether the Work is in any
way defective or deficient;and whether or not the Work delivers energy efficiency savings
to Customer.
8. The monthly payments will be included by PG&E on the Accounts regular energy service
bills, or by separate bill, in PG&E's discretion. Regardless whether the monthly
payments are included in the regular utility bill or a separate loan installment bill, the
following repayment terms will apply:
a. The Customer agrees tb repay to PG&E the Loan Balance in the number of
payments listed below and in equal installments (with the final installment
adjusted to account for rounding), by the clue date set forth in each PG&E utility
bill or loan installment bill rendered in connection with Customer's account
(identified by the number set forth below) ("Account"), commencing with the bill
which has a due date falling at least 30 days after the Issuance Date.
b. If separate energy service bills and loan installment bills are provided, amounts
due under-this Loan Agreement as shown in the loan installment bill shall be
deemed to be amounts due under each energy services bill to the Account, and a
default ;under this Loan Agreement shall be treated as a default under the
Account.
c. If the Customer is unable to make a full utility bill payment in a given month,
payment arrangements may be made at PG&E's discretion.
d. Any partial bill payments received for a month will be applied in equal proportion
to the energy charges and the loan obligation for that month, and the Customer
may.be considered in default of both the energy bill'and the loan installment bill.
e. Further payment details are set forth below.
9. Any notice from PG&E to Customer regarding the Program or the transactions
contemplated under the Loan Agreement may be provided within a PG&E utility bill or
loan installment bill, and any such notices may also be provided to Customer at the
address below or to the Customer's billing address of record in PG&E's customer billing
system-from time to time, and in each case shall be effective five (5) days after they„
been.mailed
10. The Loan Balance shall not bear interest.
11. Customer may, without prepayment penalty, pay the entire outstanding loan balance in
one lump sum payment provided the customer first notifies PG&E by telephoning the toll
free phone number (1-800-468-4743), and by sending written notice to PG&E On-Bill
Financing Program Administrator at the address listed below, in advance of making the
lump sum payment. Accelerated payments that are received from Customer without
PG&E's prior approval may, at PG&E's sole discretion, be applied proportionally to
subsequent energy charges and Loan repayments and PG&E shall have no obligation to
apply accelerated payments exclusively to reduction of the outstanding Loan.
Form 79-1118
Page 3 of 5
June 17,2010
Advice 3118-G-A/3667-E-A
l0
12. The entire outstanding Loan Balance will become imniediately due and payable; and
shall be paid by Customer within 30 days if: (i) the Account is closed or terminated for
any reason; (ii) Custome •defaults under the Agreement; (iii) Customer sells or transfers
ownership of the equipment forming part of the Work to any third party (including as part
of a.sale or lease of premises or transfer of business or otherwise); or (iv) Customer
becomes Insolvent. 'Customer becomes "Insolvent"" if: (i) Customer is unable to pay its
debts as they become due or otherwise becomes insolvent, makes a general assignment
for the benefit off its creditors, or suffers or permits'the,appointrnent of a receiver for its
business or assets or otherwise ceases to conduct business in the normal course; or (ii)
any proceeding is commenced by or against Customer under any bankruptcy or
insolvency law that is not dismissed or stayed within 45 days.
13. Customer understands thatwithoutjimiting any other remedy'available to PG&E against
Contractor or Customer, failure to repay the Loan Balance in accordance with the
terms of the Agreement could result in shut-off of utility energy service, adverse
credit reporting, and collection procedures, including, without limitation, legal
action.
14. If there is any conflict'among the documents comprising the Agreement, the following
order of priority shall apply: 1. this Loan.Agreement;'2. the Application; 3. any documents
attached to the Application.
•
15. Loan Particulars.
This table is to be completed by PG&E
$ $ $ $
Total Cost Incentive Loan Monthly Term`, Number of
Balance' Payment Payments
Months
Check Made Payable to Contractor o or Customer ❑ [customer to select payment method.
Note that only one check can be issued]
•
Customer Details Contractor Details
Federal Tax ID or Social Security#, Customer Federal Tax ID or Social Security#, Contractor
' The Loan Balance shall not exceed one-hundred'thousand dollars($100,000)for commercial
customers and shall not exceed two-hundred fifty thousand dollars ($250,000)for government
agency customers, excepting loans to government agency customers where, in PG&E's sole
opinion, the opportunity:for uniquely large energy savings exist, in which case the Loan Balance
may exceed two-hundred fifty thousand dollars ($250,000) but shall not exceed one million
dollars ($1,000,000).
2 Commercial loans mayhave their loan terms extended beyond five years, not to exceed the
expected useful life(EUL) of the bundle of energy efficiency measures proposed, when credit and
risk factors support this..
Form 79-1118
Page 4 of
June.17,2010
Advice 3118-G-A13667-E-A
11
Gas and
!II Elea= 1. ai ;•n
PG&E Account#/ Service Agreement#
Account Name, Customer Name, Contractor
Service Address, Customer Address, Contractor
Name and Title of Authorized Representative Name and Title of Authorized Representative
of Customer of Contractor
Signature of Authorized Representative of
Customer
Date
ACCEPTED: Pacific Gas& Electric Company
By Date
PG&E On-Bill Financing Program Manager
Address:
PG&E Integrated Processing Center
P.O. Box 7265
San Francisco, CA 94120-7265
Form 79-1118
Page 5 of 5
June 17,2010
Advice 3118-G-A/3667-E-A
12
Pacific Gas and
�� Electric Company"
Attachment 3
Document Prepared By:Brian Ambrosini ESE
Contact:B%AR @pge.com
November 14, 2011 City of Petaluma
900 E.Washington Street'Petalu ma,CA
Customer Contact: Diane Ramirez, dramirez@ci.petaluma.ca.us
Vendor Contact: Gary Gockel„Gary @PoolSoltionsGroup.com
Account Manager: Joe Horak, 1PHP @pge.com
Project: •
Kenilworth
- Pool Pump VSD
- Boiler Replacement.
Background:
Brian A (ESE) met with Diane Ramirez (City of Petaluma) and Gary Gockel (Pool Solutions Group)
on 9/21/11 to pre-field the Kenilworth and Cavanagh swim centers to determine what the
estimated energy savings and.PG&E incentive would be if the city installed a VFD on the pumps.
The Kenilworth pool was initially installed in the 1960's and has had little improvements done
to the facility since then. The pool pump motors and boilers are original and as to be expected
operate at a low efficiency-and avery near the end'of their useful life.
Due to state and local budget cuts funding for energy efficiency projects can be difficult to
pursue. However, PG&E currently offers an On-Bill Financing (OBE) program at. 0% interest
where the project energy savings' (kWh, kW, Therms) are used to "pay down” the loan while
maintaining bill neutrality. The City of Petaluma has been approved for a loan of $25,000,
however, if a larger loan is required in order to finance the project the City is eligible,for up to
$250,000 as long as the ipaYback period is within the required 120 month period (more
information at OBF Financing•(0% interest loan).
Project Description:
To replace the existing 25hp and 15hp pool pumps/motor and (2) pool heaters with high
efficiency alternatives and install a Variable Speed Drive (VSD) on the pump to save energy.
Pool pump VSD energy savings is highly dependant on the operating hours of the pool. Below is
a list of the pool operating hours based on season.
Pool Operating+Hours
6:30am-7pm, Monday—Saturday (Memorial Day—October 17th)
- 8am-5pm, Sunday (Memorial,Day—October 17th)
- Annual Pool Operating Hours = 1764hrs
The baseline, used for the Kenilworth pool was a 40hp pool pump (25hp + 15hp pool pumps)
and the estimated' energy savings and incentive was calculated using the difference in energy
consumption from the baseline'40hp pool pump and a 40hp pool pump with a VFD installed.
13
Pacific Gas and
Electiic Company.
Document Prepared;By:Brian Arnbrosini ESE•
Contact:BXAR(tpge.cam
Energy!Savings Summary
Assumptions
- Pool Pump Project Cost=:$34,150(2011 RSmeans—$8,650 VFDs)+est.$15,500 motors/pumps+$10,000 install)
- Pool Boiler Project Cost=$102,600(2011 RSmeans est. based on existing 7,500MBTU capacity (4)2,070M8TU)
- Utility Cost data kWh and Therm based on last 12-months usage/cost($0.14144/kWh and$030/Therm)
- System Flow(gpm)is at minimum of the 6hr pool turnover
- Total pool operating hours are 1764(12:5hr/day.M-Sat and 9hrs/day Sun for 21 weeks a year)
- Boilers replaced with a system with 90%thermal efficiency
Estimated Annual Annual, Annual Atnuat :
Estimated Srmple,
Measure ?G&E Bill Energy- Energy Energy Pa Bask}
Incentives Savings Savings Savings ,Savings yM
.Cost($)'� _ (5) (5) r(kW), (kWh)- (Therm) ;(.-, v
Pump VFDs (25hp/15hp) 34,150 15,563 22,251 0 157,324 N/A 0.8
Boiler Replacement 102,600 5,391 1,617 N/A N/A 5,391 60
Total 136,750 20,954 23,868 0 157,324 5,391 4.8
Customized Retrofit(CR)incentive is limited to'50%of the total project cost
All numbers in table above are estimates and will need to be finalized by a review engineer
Financial Loan Summary
The financial analysis of the pool VSD project was completed with the following assumptions.
For a more detailed look at the finance
Assumptions
- Pool maintenance-savings from new equipment not accounted for in analysis
- Finance Rate=0%(through PG&E OBFprogram),assumed Discount'Rate(10%),Refinance Rate(10%)Inflation(3%)
- PG&E incentive of$20;954
- Utility Cost data kWh and Therm based on last 12-months usage/cost($0:14144/kWh and$0.30/Therm)
:Estiirfated.` 'Estimated, Customer Annual'
,Simple Loan •
P`rojectr "Incentive Loan; Energy,Cost' Payback Term
,Amount 'Savings t(yrs) (months)'
($1' • -(5) (S):
136,750 20,954 115,796 23,868 4.8 59
Please do not hesitate to contact me for further assistance. Thank you for your ongoing
commitment to energy efficiency!
Brian Ambrosini I Energy Solutions Engineer
Pacific Gas and Electric Company
707.577:1033
BXAR @pge.com
14
Pacific Gas and
Electric Company
Document Prepared By:Brian Ambrosini ESE
Contact:BXAR(Wpge.com
KENILWORTH SWIM CENTER
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Petaluma Kenilworth Swim Center(900 E. Washington St)
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Main Pool Surface.Area =1.2,450 sqft
Lap Pool Surface•Area ='1;800 sqft
Total Pool Surface Area = 14,250 sqft
15
Pacific Gas and
, 6l Electric Company'
Document Prepared By:Brian Ambrosini BE
Contact:BXAR @pee.com
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Kenilworth Pool Pump Layout
16
Pacific Gas and
�n Electric Company'
Document Prepared By:Brian Amtirosini ESE
Contact:B%AR@:re.com
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17
Pacific Gas and
!fa! Electric Company°
Document Prepared By Brian Ambrosini ESE
Contact:BXAR @pge.com
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Total Pumping Power Measurement 30.25 (17.45kW (suction), 12.80kW (discharge))
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Pool Heater#1— Input 2.59MMBTU, Output 2.072MMBTU (80%Thermal Efficiency)
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Pool Heater#2— Input 4.900MMBTU, Output 3.920MMBTU (80%Thermal Efficiency)
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