STAFFORD’S ENERGYINITIATIVE

STAFFORD ENERGY ADVISORY COMMITTEE

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KNOW YOUR TEAM’S CAPABILITIESAND CAPITALIZE ON THEM

OUR TEAM – The right balance:

Financial Analyst – Voice of reason and caution

Accountant – Always checking the numbers

Engineer – Progressive and exuberant

Visionary – Always seeking the next opportunity

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KNOW YOUR OBJECTIVES

Determine everything you might do in your community to save energy for the municipality and the residents; then prioritize!!

Determine what you would need to do to meet your objectives and think BIG!!

Get all the data and loads, including BTUs, kWHrs, Gallons, Therms, etc., and know everything about how, why, what and where they are used, looking for hidden consumption and opportunities.

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KNOW WHAT YOU WANT

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AND HOW TO GET IT!!

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UNDERSTAND ALL ASPECTS OF EACH PROJECT

KNOW YOUR PROJECTS

MOVE FORWARD WITH CONVICTION AND DETERMINATION

KNOW WHY YOU WANT TO DO IT, HOW YOU ARE GOING TO DO IT, HOW ALL THE NUMBERS WORK, AND THE RESULTS THEY WILL PRODUCE

IF YOU NEED HELP, ASK THE ENERGY COMMUNITY

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KNOW AND FOLLOW ALL OPPORTUNITIESFROM THE STATE AND FEDERAL GOVERNMENT

Be familiar with and track changes to programs

Analyze all these opportunities and see if they fit your situation

Research and apply for everything that makes sense

Be tenacious, make a valid case and BE RIGHT!!

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OUR OBJECTIVES:

• LOCK IN OUR FUTURE ENERGY COSTS

• SAVE THE TOWN AS MUCH OF ITS ANNUAL 1.1 MILLION DOLLAR ENERGY BILL AS POSSIBLE!!!

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Summary of Town Buldings with I mpending and Possible Solar PVExisting or Potentail Potentail Total Total Annual Annual Annual Additional

Impending Roof/Gnd Carport kW kW Production Production Usage RequiredRoof kW (DC) kW (DC) kW (DC) (DC) (AC) kWhrs (DC) kWhrs (AC) kWhr (AC) kW (DC)

Stafford High School 390 0 0 390 300 487,500 375,375 1,320,000 1,371 981

Stafford High (Geo Load) ~ ~ ~ ~ ~ ~ ~ 509,000 550 550

Stafford Elementary 100 0 0 100 77 125,000 96,250 750,000 779 679

Stafford Elem (Geo Load) ~ ~ ~ ~ ~ ~ ~ 427,000 462 462

WPCF (sewer plant) 0 0 0 0 0 0 0 702,000 729 729

Stafford Middle School 0 0 130 130 100 162,500 125,125 500,000 519 389

Staffordville Elementary 65 0 0 65 50 81,250 62,563 203,000 211 146

West Stafford School 100 0 0 100 77 125,000 96,250 155,000 161 61

Library 7 0 0 7 5 8,750 6,738 128,000 133 126

Town Hall 0 0 58 58 45 72,500 55,825 70,000 73 15

Family Services Bldg 0 0 0 0 0 0 0 25,936 27 27

Dog Pound 0 0 0 0 0 0 0 21,777 23 23

West Stafford Fire Dept 9 0 0 9 7 11,250 8,663 32,000 33 24

Staffordville Fire Dept 0 0 0 0 0 0 0 24,000 25 25

Police Station 13 0 0 13 10 16,250 12,513 22,000 23 10

Portable Classrooms 0 0 0 0 0 0 0 20,805 22 22

Historical Society Bldg 0 0 0 0 0 0 0 12,513 13 13

W Staff. Rd (pump sta) 0 0 0 0 0 0 0 12,000 12 12

Kealy Fld (Batting Cage) 0 0 0 0 0 0 0 9,000 9 9

Old Town Hall 0 0 0 0 0 0 0 6,230 6 6

Memorial Hall 0 0 0 0 0 0 0 4,546 5 5

Orcuttville Rd (pump sta) 0 0 0 0 0 0 0 3,780 4 4

Olympic Park (Rec Bldg) 0 0 0 0 0 0 0 3,500 4 4

Lake Shore (pump sta) 0 0 0 0 0 0 0 3,048 3 3

Hyde Park 0 0 0 0 0 0 0 3,000 3 3

Olympic Park 0 0 0 0 0 0 0 2,500 3 3

Olympic Ave (Lights) 0 0 0 0 0 0 0 2,303 2 2

Kealy Fld (lights) 0 0 0 0 0 0 0 2,000 2 2

Sawmill Rd (Salt Dome) 0 0 0 0 0 0 0 1,900 2 2

Meadow Ln (pump sta) 0 0 0 0 0 0 0 1,100 1 1

SMS Soccer Fld (lights) 0 0 0 0 0 0 0 1,000 1 1

Haymarket Square 0 0 0 0 0 0 0 500 1 1

Hockey Rink 0 0 0 0 0 0 0 348 0 0

Willington Ave Fire Dept. 54 0 0 54 42 64,800 49,896 55,000 54 0

Town Garage 60 0 0 60 46 72,000 55,440 55,000 60 0

Community Center 40 0 14 54 42 64,800 49,896 50,000 54 0

Transfer Station Building 34 0 0 34 26 40,800 31,416 30,000 32 - 2

WStafford Fire Dept (Pav) 7 0 0 7 5 8,400 6,468 5,000 5 0

Landfill Large Array 0 749 0 749 577 973,700 749,749 1 0 - 749

Large Array 1 (SMS) 0 1,000 0 1,000 770 1,300,000 1,001,000 1 0 - 1,000

Large Array 2 (SMS) 0 1,000 0 1,000 770 1,300,000 1,001,000 1 0 - 1,000

Totals (w/ Geo Loads) 879 2749 202 3,830 2,949 4,914,500 3,784,165 5,174,789 5,420 1,591

73.13%

updated 4/21/2014 - Page 1 of 1 of Total

Totals (without Geo Loads) Total of 5 largest meters 3,272,012

Assumes no Geo @ SHS & SES Total of 2nd largest five meters 400,713

and VNM law remanins unchanged Total of 3rd largest five meters 111,318

New VNM Law May Allow Unlimited Number of Meters Total kWhr Usage 3,784,043

Does NOT include 16 smallest loads; additional 54,889 Total % of Production w/Large Arrays 100.00%

Basis Notes/Assumptions:

Array size in DC kW X 1.2* = annual production in DC kWhrs

DC kW X .77 = AC kW AC kW X 1.2987 = DC kW

.77 DC kW to AC kW Conversion Factor per CL&P

* - Large Arrays Use Factor 1.3

School electricity use escalates at 3- 5%/year over year

Annual Dollar Value assumes 18 cents/kWhr CL&P rate

Annual Dollar Value

$681,150

FacilityTarget Total

(DCkW)

Town kWHr Loads

and the PV required for

100% offset >>>>>>>>>

Cheap kWHrs

encourage the switch

from Oil/Propane to

renewable electricity

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Stafford Solar PV Existing & Impending Project Summary4/24/2014

LocationSystem

Mount Type Contractor

Expected Completion

Date

Expected CL&P Activation

Date

System Size (DC)

kW

Estimated Annual

Production (kWHr)

Estimated Annual Cost

Offset*ZREC

Income**Lease

Payments

ZREC Net

Income Year 1

ZREC Net

Income Year 10

SHS (1) Roof Ross 5/15/2014 6/15/2014 290 355,000 46,150 36,192 81,300 1,042 13,805SHS (2) Roof Ross 5/15/2014 6/15/2014 100 122,000 15,860 19,352 31,152 4,060 8,446

SES Roof Ross 5/31/2014 6/30/2014 80 98,000 12,740 16,072 25,212 3,600 7,123WSS Roof Ross 3/25/2014 4/18/2014 100 115,000 14,950 17,876 31,152 1,674 5,808

Comm Cent #1 Roof Ross 9/1/2014 10/1/2014 40 48,000 6,240 7,740 12,460 1,800 3,561SMS*** Carport ENCON 7/1/2014 9/1/2014 108 117,138 14,056 0 0 0 0SES*** Carport ENCON 7/15/2014 8/15/2014 108 117,138 14,056 0 0 0 0

Town Hall*** Carport ENCON 9/1/2014 10/1/2014 48 52,000 6,240 0 0 0 0Comm Cent #2*** Carport ENCON 9/15/2014 10/15/2014 15 16,309 1,957 0 0 0 0

SVS*** Roof ENCON 7/1/2014 8/1/2014 55 50,000 6,000 0 0 0 0DPW*** Roof ENCON 8/1/2014 9/1/2014 65 61,528 7,383 0 0 0 0

Transfer Station*** Roof ENCON 9/1/2014 10/1/2014 28 30,423 3,650 0 0 0 0Willington Ave FD*** Roof ENCON 8/15/2014 9/15/2014 54 56,456 6,774 0 0 0 0

Totals 1091 1,238,992 $156,056 $97,232 $181,276 $12,176 $38,743* - Paid quaterly in arrears by CL&P

** - Payments can be reduced if paid annualy in advance

***- Power Purchase Agreement. Drops power cost to $0.06/kWHr from $0.18/ kWHr (escalates at 2%/year) Year One Net Benefit Total - $72,012All production figures and income estimated and provided by Ross Solar & ENCON

Small PV Arrays

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Stafford Municipal Projects To Date ESCO – Hundreds of thousands in savings

Solar Thermal – At 5 schools, producing 70 to 80% of their domestic hot water – 30% of project cost paid by CEFIA

Small Solar PV Arrays – Over 1 mW of small arrays being installed through leases and PPA’s at NO NET COST in 13 locations, saving over $72,000 in year one

Large Solar PV Arrays – 2.8 mW total using the closed landfill and town land, saving over $500,000 a year at NO NET COST

Geo Thermal – In process of initiating geothermal heating/cooling for 2 schools. All power for the systems to come from PV arrays.

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Remember -

WHETHER YOU THINK YOU CAN,

YOU’RE RIGHT!!!

~ Henry Ford

OR THINK YOU CAN’T,

STAFFORD ENERGY ADVISORY COMMITTEE

TAKING HISTORY THAT WORKS AND TURNING IT INTO THE FUTURE !!