MONROE TOWNSHIP MUNICIPAL BUILDING FACILITY ENERGY REPORT 1 MUNICIPAL PLAZA MONROE TOWNSHIP, NEW JERSEY 08831

Size: px
Start display at page:

Download "MONROE TOWNSHIP MUNICIPAL BUILDING FACILITY ENERGY REPORT 1 MUNICIPAL PLAZA MONROE TOWNSHIP, NEW JERSEY 08831"

Transcription

1 MONROE TOWNSHIP MUNICIPAL BUILDING 1 MUNICIPAL PLAZA MONROE TOWNSHIP, NEW JERSEY FACILITY ENERGY REPORT

2 TABLE OF CONTENTS I. HISTORIC ENERGY CONSUMPTION/COST... 2 II. FACILITY ENERGY USE INDEX (EUI)... 7 III. FACILITY DESCRIPTION... 9 IV. MAJOR EQUIPMENT LIST V. ENERGY CONSERVATION MEASURES VI. RENEWABLE/DISTRIBUTED ENERGY MEASURES VII. ADDITIONAL RECOMMENDATIONS Appendix A ECM Cost & Savings Breakdown Appendix B New Jersey Smart Start Program Incentives Appendix C Portfolio Manager Statement of Energy Performance Appendix D Major Equipment List Appendix E Investment Grade Lighting Audit November 19, 2015 FINAL Page 1 of 47

3 I. HISTORIC ENERGY CONSUMPTION/COST The energy usage for the facility has been tabulated and plotted in graph form as depicted within this section. Each energy source has been identified and monthly consumption and cost noted per the information provided by the Owner. Electric Utility Provider: Electric Utility Rate Structure: Third Party Supplier: Natural Gas Utility Provider: Utility Rate Structure: Third Party Supplier: Jersey Central Power & Light General Service Secondary 3-Phase Major Energy PSE&G General Service N/A The electric usage profile represents the actual electrical usage for the facility. The electric utility measures consumption in kilowatt-hours (KWH) and maximum demand in kilowatts (KW). One KWH usage is equivalent to 1000 watts running for one hour. One KW of electric demand is equivalent to 1000 watts running at any given time. The basic usage charges are shown as generation service and delivery charges along with several non-utility generation charges. Rates used in this report reflect the historical data received for the facility. The gas usage profile within each facility report shows the actual natural gas energy usage for the facility. The gas utility measures consumption in cubic feet x 100 (CCF), and converts the quantity into Therms of energy. One Therm is equivalent to 100,000 BTUs of energy. November 19, 2015 FINAL Page 2 of 47

4 Table 1 Electricity Billing Data ELECTRIC USAGE SUMMARY Utility Provider: JCP&L Rate: General Service Secondary 3 Phase Meter No: G Account No: Third Party Utility Provider: Major Energy TPS Meter / Acct No: - MONTH OF USE CONSUMPTION KWH DEMAND KW TOTAL BILL Apr-13 24, $3,328 May-13 35, $4,417 Jun-13 44, $5,512 Jul-13 45, $5,087 Aug-13 36, $4,636 Sep-13 37, $4,440 Oct-13 32, $3,964 Nov-13 35, $4,158 Dec-13 16, $2,215 Jan-14 23, $2,902 Feb-14 25, $3,123 Mar-14 26, $3,149 Apr-14 27, $3,346 May-14 31, $3,914 Jun-14 40, $4,922 Jul-14 40, $4,893 Aug-14 37, $4,577 Sep-14 35, $4,316 Oct-14 28, $3,600 Nov-14 33, $4,144 Dec-14 20, $2,805 Jan-15 26, $3,323 Feb-15 27, $3,474 Mar-15 27, $3,488 Total 760, Max $93,734 Current 12 Months 376, Max $46,802 AVERAGE DEMAND AVERAGE RATE 90.6 KW average $/kwh November 19, 2015 FINAL Page 3 of 47

5 Figure 1 Electricity Usage Profile November 19, 2015 FINAL Page 4 of 47

6 NATURAL GAS USAGE SUMMARY Table 2 Natural Gas Billing Data Utility Provider: PSE&G Rate: GSG (HTG) Meter No: ; Account No: Third Party Utility Provider: N/A TPS Meter No: - MONTH OF USE CONSUMPTION (THERMS) TOTAL BILL Nov-12 1, $1, Dec-12 1, $1, Jan-13 2, $2, Feb-13 1, $2, Mar $ Apr $37.07 May $25.67 Jun $40.51 Jul $24.46 Aug $37.39 Sep $ Oct-13 1, $1, Nov-13 2, $2, Dec-13 2, $3, Jan-14 3, $3, Feb-14 2, $3, Mar-14 1, $1, Apr $ May $ Jun $ Jul $ Aug $ Total 23, $25, Current 12 Months 15, $16, AVERAGE RATE: $1.07 $/THERM November 19, 2015 FINAL Page 5 of 47

7 Figure 2 Natural Gas Usage Profile November 19, 2015 FINAL Page 6 of 47

8 II. FACILITY ENERGY USE INDEX (EUI) Energy Use Index (EUI) is a measure of a building s annual energy utilization per square foot of building. This calculation is completed by converting all utility usage consumed by a building for one year, to British Thermal Units (BTU) and dividing this number by the building square footage. EUI is a good measure of a building s energy use and is utilized regularly for comparison of energy performance for similar building types. Building Benchmarking data is collected and analyzed within the Commercial Building Energy Consumption Survey (CBECS), performed by the Energy and Information Administration (EIA). Building data is grouped by function types and tabulated, from which a median site and source energy intensity is determined. The national median or PEER Group Comparable in this instance is the middle value of the national population meaning half the buildings use more energy, and half use less. The PEER Group EUI allows us to compare the relative efficiency of the audited building to that of an average building with the same or similar primary function (i.e. group type). Source use differs from site usage when comparing a building s energy consumption with the national average. Site energy use is the energy consumed by the building at the building site only. Source energy use includes the site energy use as well as all of the losses to create and distribute the energy to the building. Source energy represents the total amount of raw fuel that is required to operate the building. It incorporates all transmission, delivery, and production losses, which allows for a complete assessment of energy efficiency in a building. The type of utility purchased has a substantial impact on the source energy use of a building. The EPA has determined that source energy is the most comparable unit for evaluation purposes and overall global impact. Both the site and source EUI ratings for the building are provided to understand and compare the differences in energy use. The site and source EUI for this facility is calculated as follows: Building Site EUI Electric Usage in kbtu Fuel Usage in kbtu Building Square Footage Building Source EUI Electric Usage in kbtu SS Ratio Fuel Usage in kbtu SS Ratio Building Square Footage November 19, 2015 FINAL Page 7 of 47

9 Table 3 Energy Use Index Summary ENERGY USE INTENSITY CALCULATION SITE SITE- SOURCE BUILDING USE ENERGY TYPE ENERGY SOURCE ENERGY kwh Therms Gallons kbtu RATIO kbtu ELECTRIC 376, ,284, ,032,420 NATURAL GAS 15, ,540, ,617,432 TOTAL 2,824,621 5,649,852 *Site - Source Ratio data is provided by the Energy Star Performance Rating Methodology for Incorporating Source Energy Use document. AUDITED BUILDING PEER COMPARISON BUILDING TYPE Office Building Office Building BUILDING AREA 26,450 SQUARE FEET BUILDING SITE EUI kbtu/sf/yr 67.3 kbtu/sf/yr BUILDING SOURCE EUI kbtu/sf/yr kbtu/sf/yr 44% Less Efficient than PEER Comparison November 19, 2015 FINAL Page 8 of 47

10 III. FACILITY DESCRIPTION The Monroe Township Municipal Building was constructed in 1980 and is located at One Municipal Plaza in Monroe Township, New Jersey. The facility is made up of the municipal court, offices, conference rooms, a teaching area, a kitchen, restrooms, a boiler room and other utility/storage rooms. The basement is the former location of the Community Senior Center. Occupancy Profile The typical hours of operation for the building are Monday through Friday between 8:30 am and 5:30 pm. Building Envelope Exterior walls for the building are masonry brick faced with a concrete block construction. The windows throughout the facility are in average condition. Typical windows are double-pane with aluminum frames. The roof is mostly a tar shingle sloped roof with plywood sheathing and a tar paper membrane. The center portion which houses the roof equipment is a built-up roof. HVAC Systems The heating hot water is generated by a gas-fired 951 MBH (gross output) Burnham Model PF- 506 commercial cast iron, sectional hot water boiler with an efficiency of 80% and a natural gasfired, 1,200 MBH Max Power Flame burner. The boiler has an associated combustion air damper w/ actuator that opens on a call for heat. Heating hot water is circulated by three (3) loop pumps manufactured by Bell & Gossett and Taco and ranging in size from 1-HP to 5-HP that serve three (3) heating zones. The hydronic piping is a two pipe system with changeover valves that use to switch from heating water to cooling water (chiller no longer functional). There are two (2) Aaon Model RN-40 and RM-016 packaged rooftop units with gas-fired heating and direct expansion cooling. One has 40 tons of cooling capacity along with 780 MBH of heating and serves the offices with VAV reheat on the first floor. The other has 16 tons of cooling capacity, 270 MBH of heating capacity and serves the courtroom. There are five (5) fan coil units located in the Lower Level large group area that are Carrier Model 42VB5AAL with 1/8 HP and 1/30 HP supply fan motors and an air flow capacity of 300 to 500 CFM. The Lower Level is currently using portable spot cooler A/C units to cool the large group area. There is a ceiling-hung Carrier Model 39BA050 central air handling unit in a room just off the boiler room that provides heating only. Split condensing units include a Sanyo Model CL0971 with a ¾ ton cooling capacity; a Trane Model 2TTB3048 unit with a cooling capacity of 4 tons; two (2) Ruud Model UAKA-048JAZ units with a 4 ton cooling capacity. Numerous Nailor Model D30RW VAV terminal units serve the first floor office areas and are fed by the 40-Ton Aaon rooftop unit. These units have hot water reheats. November 19, 2015 FINAL Page 9 of 47

11 Exhaust System There are three (3) exhaust fans on the roof. Two of these units are Greenheck Model GB down-blast units that serve the first and second floor bathrooms. The kitchen area is served by a pad-mounted upblast exhauster while a Penn Ventilator Model SX105B in-line exhaust fan provides ventilation for the elevator equipment room. The break room is served by a Thermo Tek Model BDCR9TH roof exhauster. Plumbing System The Monroe Township Municipal Building utilizes sinks rated at 2.2 gallons per minute. Additionally, water closets and urinals located in the restroom areas have a rating of 1.6 and 1.0 gallons per flush, respectively. Domestic Hot Water Domestic hot water is generated by an A.O. Smith Model ECT electric water heater with a 50-gallon capacity. The water heater is rated for 240Volts and 208Volts. The water heater serves the bathrooms and kitchen. Domestic hot water is circulated by a 1/25-HP cartridge circulator pump. HVAC System Controls The boiler operates on an outdoor air Lockout/Reset through Honeywell control devices. Both rooftop units are controlled by a stand-alone System Manager. There is no front-end BAS computer. Lighting Refer to the Investment Grade Lighting Audit Appendix for a detailed list of the lighting throughout the facility and estimated operating hours per space. November 19, 2015 FINAL Page 10 of 47

12 IV. MAJOR EQUIPMENT LIST The equipment list contains major energy consuming equipment that through implementation of energy conservation measures could yield substantial energy savings. The list shows the major equipment in the facility and all pertinent information utilized in energy savings calculations. An approximate age was assigned to the equipment in some cases if a manufactures date was not shown on the equipment s nameplate. The ASHRAE service life for the equipment along with the remaining useful life is also shown in the Appendix. Refer to the Major Equipment List Appendix for this facility. November 19, 2015 FINAL Page 11 of 47

13 V. ENERGY CONSERVATION MEASURES Energy Conservation Measures are developed specifically for this facility. The energy savings and calculations are highly dependent on the information received from the site survey and interviews with operations personnel. The assumptions and calculations should be reviewed by the owner to ensure accurate representation of this facility. The following ECMs were analyzed: Table 1 ECM Financial Summary ENERGY CONSERVATION MEASURES (ECM's) ECM NO. DESCRIPTION NET INSTALLATION COST A ANNUAL SAVINGS SIMPLE PAYBACK (Yrs) SIMPLE LIFETIME ROI ECM #1 Interior Lighting Upgrade $44,163 $6, % ECM #2 Exterior Lighting Upgrade $6,714 $ % ECM #3 Lighting Controls $5,340 $ % ECM #4 Boiler Replacement $72,400 $1, % ECM #5 EC Motors $5,150 $ % ECM #6 Domestic Hot Water Heater Replacement $8,650 $1, % ECM #7 Condensing Unit Replacement $45,364 $ % ECM #8 Pump VFD $13,600 $ % ECM #9 Refrigerator Replacement $270 $ % ECM #10 Water Conservation $540 $1, % ECM #11 Notes: Toilet and Urinal Flush Valves $3,600 $ % A. Cost takes into consideration applicable NJ Smart StartTM incentives. November 19, 2015 FINAL Page 12 of 47

14 Table 2 ECM Energy Summary ENERGY CONSERVATION MEASURES (ECM's) ECM NO. DESCRIPTION ELECTRIC DEMAND (KW) ANNUAL UTILITY REDUCTION ELECTRIC CONSUMPTION (KWH) NATURAL GAS (THERMS) ECM #1 Interior Lighting Upgrade ,489 0 ECM #2 Exterior Lighting Upgrade 2.4 7,071 0 ECM #3 Lighting Controls 0.0 4,084 0 ECM #4 Boiler Replacement ,286 ECM #5 EC Motors 0.0 2,398 0 ECM #6 Domestic Hot Water Heater Replacement , ECM #7 Condensing Unit Replacement 3.5 5,864 0 ECM #8 Pump VFD 0.0 6,987 0 ECM #9 Refrigerator Replacement ECM #10 Water Conservation 0.0 7,006 0 ECM #11 Toilet and Urinal Flush Valves November 19, 2015 FINAL Page 13 of 47

15 Table 3 ECM Emissions Summary ENERGY CONSERVATION MEASURES (ECM's) ECM NO. DESCRIPTION GREENHOUSE GAS EMISSIONS REDUCTION CO 2 EMISSIONS (LBS) NO X EMISSIONS (LBS) SO 2 EMISSIONS (LBS) ECM #1 Interior Lighting Upgrade 81, ECM #2 Exterior Lighting Upgrade 10, ECM #3 Lighting Controls 6, ECM #4 Boiler Replacement 15, ECM #5 EC Motors 3, ECM #6 Domestic Hot Water Heater Replacement 13, ECM #7 Condensing Unit Replacement 8, ECM #8 Pump VFD 10, ECM #9 Refrigerator Replacement ECM #10 Water Conservation 10, ECM #11 Notes: Toilet and Urinal Flush Valves A. Emissions Reduction based on NJCEP published factors for electric & gas. November 19, 2015 FINAL Page 14 of 47

16 Table 4 Facility Project Summary FACILITY PROJECT SUMMARY TABLE ENERGY CONSERVATION MEASURES ANNUAL ENERGY SAVINGS ($) PROJECT COST ($) SMART START INCENTIVES CUSTOMER COST SIMPLE PAYBACK Interior Lighting Upgrade $6,579 $49,513 $5,350 $44, Exterior Lighting Upgrade $870 $8,034 $1,320 $6, Lighting Controls $502 $5,600 $260 $5, Boiler Replacement $1,376 $74,600 $2,200 $72, EC Motors $295 $5,150 $0 $5, Domestic Hot Water Heater Replacement Condensing Unit Replacement $1,069 $8,700 $50 $8, $721 $46,100 $736 $45, Pump VFD $859 $13,600 $0 $13, Refrigerator Replacement $32 $270 $0 $ Water Conservation $1,260 $540 $0 $ Toilet and Urinal Flush Valves $80 $3,600 $0 $3, Total Project $13,643 $215,707 $9,916 $205, Note the measure totals in this table do not take into account interactive effects of measures; see Method of Analysis Section III in Executive Report for further explanation. The facility peak electrical demand and total project savings meet the qualifications for the Pay for Performance Program. If the owner were to pursue this program option they would receive an estimated $25,989 in incentive dollars, see the Installation Funding Options Section for more detail. November 19, 2015 FINAL Page 15 of 47

17 ECM #1: Interior Lighting Upgrades Description: The majority of the interior lighting throughout the Monroe Township Municipal Building is provided by 1x4, 2x4, and 2x2 fluorescent fixtures with newer generation 700 Series 32W T8 lamps and T12 lamps, in addition to various incandescent bulbs. It is recommended that all fixtures within the building be replaced with LED equivalent tube lamps and screw-in bulbs due to their efficiency and low power usage. This ECM includes replacing and retrofitting all of the interior lighting throughout the school, with new LED type lamps and fixtures. It is recommended that the School District consult with a lighting engineer prior to retrofitting or replacing interior fixtures to ensure code required minimum light levels will be met. Energy Savings Calculations: The Investment Grade Lighting Audit Appendix outlines the hours of operation, proposed new fixtures/retrofits, costs, savings, and payback periods for each set of interior fixtures in the school. LIGHTING UPGRADE SAVINGS SUMMARY DESCRIPTION SAVINGS Electric Demand Savings (kw) 17.7 Electric Usage Savings (kwh) 53,489 Electric Cost Savings ($) $6,579 Maintenance Savings and Project Costs: No maintenance cost savings were estimated for this measure. Project Costs are based off RS Means Unit Cost Data and Vendor quotes. November 19, 2015 FINAL Page 16 of 47

18 Energy Savings Summary: ECM #1 - ENERGY SAVINGS SUMMARY Installation Cost ($): $49,513 NJ Smart Start Equipment Incentive ($): $5,350 Net Installation Cost ($): $44,163 Maintenance Savings ($/Yr): $0 Energy Savings ($/Yr): $6,579 Total Yearly Savings ($/Yr): $6,579 Estimated ECM Lifetime (Yr): 15 Simple Payback 6.7 Simple Lifetime ROI 123.5% Simple Lifetime Maintenance Savings $0 Simple Lifetime Savings $98,688 Internal Rate of Return (IRR) 12% Net Present Value (NPV) $34, November 19, 2015 FINAL Page 17 of 47

19 ECM #2: Exterior Lighting Upgrade Description: The exterior lighting at the Municipal Building includes exterior building and parking lot lighting. The exterior of the building is currently lit by metal halide wall packs and area lights, metal halide spotlights, incandescent A-lamp bulbs, high pressure sodium lamps and canopy fixtures, and high pressure sodium and LED pole mounted parking lights. Concord Engineering recommends upgrading all of the exterior lighting to an energy-efficient lighting system that includes LED bulbs, wall packs, floodlights, canopy fixtures, and parking lot fixtures. This ECM would replace the existing exterior lamps and fixtures with equivalent LED lamps and fixtures. Energy Savings Calculations: A detailed Investment Grade Lighting Audit can be found in Investment Grade Lighting Audit Appendix that outlines the proposed retrofits, costs, savings, and payback periods. LIGHTING UPGRADE SAVINGS SUMMARY DESCRIPTION SAVINGS Electric Demand Savings (kw) 2.4 Electric Usage Savings (kwh) 7,071 Electric Cost Savings ($) $870 Maintenance Savings and Project Costs: No maintenance cost savings were estimated for this measure. Project Costs are based off RS Means Unit Cost Data and Vendor quotes. November 19, 2015 FINAL Page 18 of 47

20 Energy Savings Summary: ECM #2 - ENERGY SAVINGS SUMMARY Installation Cost ($): $8,034 NJ Smart Start Equipment Incentive ($): $1,320 Net Installation Cost ($): $6,714 Maintenance Savings ($/Yr): $0 Energy Savings ($/Yr): $870 Total Yearly Savings ($/Yr): $870 Estimated ECM Lifetime (Yr): 15 Simple Payback 7.7 Simple Lifetime ROI 94.4% Simple Lifetime Maintenance Savings $0 Simple Lifetime Savings $13,050 Internal Rate of Return (IRR) 10% Net Present Value (NPV) $3, November 19, 2015 FINAL Page 19 of 47

21 ECM #3: Interior Lighting Controls Upgrade Description: Sometimes lights in a building are left on unnecessarily. In many cases the lights may be left on because of the inconvenience to manually switch lights off when a room is left or on when a room is first occupied. In some instances lights might be left on due to the misconception that it is better to keep the lights on rather than to continuously switch lights on and off. Although increased switching reduces lamp life, the energy savings outweigh the lamp replacement costs. The payback timeframe for when to turn the lights off is approximately two minutes. If the lights are expected to be off for at least a two minute interval, then it pays to shut them off. Lighting controls come in many forms. Sometimes an additional switch is adequate to provide reduced lighting levels when full light output is not needed. Occupancy sensors detect motion and will switch the lights on when the room is occupied. Occupancy sensors can either be mounted in place of a current wall switch, or on the ceiling to cover large areas. In addition, daylight control systems can be implemented using daylighting control systems that dim the electric lighting in response to interior daylight levels. The light output of the fluorescent lamps (T8) is varied by using electronic dimming ballasts. Photo sensors, typically mounted in the ceiling, are used to measure the quantity of daylight in the space then determine the amount of dimming required to maintain adequate lighting levels in the total space. The U.S. Department of Energy sponsored a study to analyze energy savings achieved through various types of building system controls. The referenced savings is based on the Advanced Sensors and Controls for Building Applications: Market Assessment and Potential R&D Pathways, document posted for public use April The study has found that buildings have the potential to achieve significant energy savings through the use of building controls. The average energy savings are as follows based on the report: Occupancy Sensors for Lighting Control 20% - 28% energy savings. Savings resulting from the implementation of this ECM for energy management controls are estimated to be 20% of the total light energy controlled by occupancy sensors. This ECM includes installation of ceiling or switch-mount sensors for the break rooms, offices, and restrooms. Sensors shall be manufactured by Sensorswitch, Watt Stopper or equivalent. The Investment Grade Lighting Audit Appendix of this report includes the summary of lighting controls which can be implemented in this ECM and outlines the proposed lighting/daylighting controls, costs, savings, and payback periods. The calculations adjust the lighting power usage by the applicable percent savings for each area that includes lighting controls. November 19, 2015 FINAL Page 20 of 47

22 Energy Savings Calculations: Energy Savings % Savings Controlled Light Energy kwh/yr Savings. Energy Savings $ kwh kwh Ave Elec Cost LIGHTING CONTROLS SAVINGS SUMMARY DESCRIPTION SAVINGS Electric Demand Savings (kw) 0.0 Electric Usage Savings (kwh) 4,084 Electric Cost Savings ($) $502 Maintenance Savings and Project Costs: No maintenance cost savings were estimated for this measure. Project Costs are based off RS Means Unit Cost Data and Vendor quotes. Energy Savings Summary: ECM #3 - ENERGY SAVINGS SUMMARY Installation Cost ($): $5,600 NJ Smart Start Equipment Incentive ($): $260 Net Installation Cost ($): $5,340 Maintenance Savings ($/Yr): $0 Energy Savings ($/Yr): $502 Total Yearly Savings ($/Yr): $502 Estimated ECM Lifetime (Yr): 15 Simple Payback 10.6 Simple Lifetime ROI 41.0% Simple Lifetime Maintenance Savings $0 Simple Lifetime Savings $7,530 Internal Rate of Return (IRR) 5% Net Present Value (NPV) $ November 19, 2015 FINAL Page 21 of 47

23 ECM #4: Hot Water Boiler Replacement Description: The Monroe Township Municipal Building has one (1) Burnham, gas-fired, cast-iron sectional water boiler that is 10 years old, and while not having surpassed its ASHRAE useful life expectancy, it is much less efficient than newer condensing boilers. The boiler has a rated input capacity of approximately 1,189 MBH with an estimated thermal efficiency of 80% due to its age and condition. This ECM would add one (1) condensing style boiler rated at 1000 MBH with an average thermal efficiency of 92%. The new boiler will come with hot water reset and outdoor air reset controls to reduce heating water temperature during low load periods. Energy Savings Calculations: Energy Savings were calculated utilizing the New Jersey Board of Public Utilities Protocols to Measure Resource Savings. Building Heat Required Natural Gas Usage therm Heating Efficiency Fuel Heat Value Btu therm Proposed Gas Usage Building Heat Required Btu Heating Efficiency Fuel Heat Value Btu therm Energy Cost Heating Gas Usage therm Fuel Cost $ therm November 19, 2015 FINAL Page 22 of 47

24 CONDENSING BOILER CALCULATIONS ECM INPUTS EXISTING PROPOSED SAVINGS Cast-Iron Sectional New Condensing ECM INPUTS (Water) Boiler Existing Nat Gas (Therms) 9,859 Boiler Efficiency (%) 80.0% 92.0% 12% Nat Gas Heat Value (BTU/Therm) 100, ,000 Equivalent Building Heat Usage (MMBTUs) Gas Cost ($/Therm) $1.07 $1.07 ENERGY SAVINGS CALCULATIONS ECM RESULTS EXISTING PROPOSED SAVINGS Natural Gas Usage (Therms) 9,859 8,573 1,286 Energy Cost ($) $10,549 $9,173 $1,376 COMMENTS: Boiler Efficiency Based on age of boiler and IBR Rating November 19, 2015 FINAL Page 23 of 47

25 Energy Savings Summary: ECM #4 - ENERGY SAVINGS SUMMARY Installation Cost ($): $74,600 NJ Smart Start Equipment Incentive ($): $2,200 Net Installation Cost ($): $72,400 Maintenance Savings ($/Yr): $0 Energy Savings ($/Yr): $1,376 Total Yearly Savings ($/Yr): $1,376 Estimated ECM Lifetime (Yr): 20 Simple Payback 52.6 Simple Lifetime ROI -62.0% Simple Lifetime Maintenance Savings $0 Simple Lifetime Savings $27,520 Internal Rate of Return (IRR) -8% Net Present Value (NPV) ($51,928.59) November 19, 2015 FINAL Page 24 of 47

26 ECM #5: EC Motors on Small Exhaust Fans and Supply Fan Description: Electronically Commutated Motors (ECM) are proven to generate substantial savings on small motor applications. These motors currently are available in sizes up to 1 horsepower, and provide efficiencies similar to how NEMA premium efficiency motor would at a large horsepower. The motor works much like a direct current (DC) motor and is without mechanical brushes and the commuter reduces friction losses in the motor. The motors are programmable and can be used for a wide range of applications. This measure would replace the existing fan motor in the air handler supply fan and rooftop exhaust fans with fractional horsepower. In total, there are three 1/4 HP motors, one 1/2 HP motor, and one 3/4 HP motor. Energy Savings Calculations: Measured savings for ECM motors has proven that up to 65% reduction in power can be realized through the installation these motors. Electric Energy kwh Amps Volts Phase / 1000 Power Factor Operating Hours Energy Savings Electric Energy Power Reduction 40% EC MOTOR SAVINGS SUMMARY DESCRIPTION SAVINGS Electric Demand Savings (kw) 0.0 Electric Usage Savings (kwh) 2,398 Electric Cost Savings ($) $295 November 19, 2015 FINAL Page 25 of 47

27 ELECTRONICALLY COMMUTATED MOTOR CALULATION ECM INPUTS EXISTING PROPOSED SAVINGS ECM INPUTS PSC ECM Quantity of Motors 1 1 Motor Nameplate HP 3/4 3/4 Full Load Amps 7.6 Voltage Phase 1 1 Power Factor 55% 55% Operating Hrs Load Reduction % Elec Cost ($/kwh) ENERGY SAVINGS CALCULATIONS ECM RESULTS EXISTING PROPOSED SAVINGS Electric Energy (kwh) 2,307 1, Electric Energy Cost ($) $284 $170 $114 COMMENTS: Air Handler Supply Fan November 19, 2015 FINAL Page 26 of 47

28 ELECTRONICALLY COMMUTATED MOTOR CALULATION ECM INPUTS EXISTING PROPOSED SAVINGS ECM INPUTS PSC ECM Quantity of Motors 3 3 Motor Nameplate HP 1/4 1/4 Full Load Amps 5.8 Voltage Phase 1 1 Power Factor 55% 55% Operating Hrs Load Reduction % Elec Cost ($/kwh) ENERGY SAVINGS CALCULATIONS ECM RESULTS EXISTING PROPOSED SAVINGS Electric Energy (kwh) 2,641 1,585 1,057 Electric Energy Cost ($) $325 $195 $130 COMMENTS: Rooftop Exhaust Fans November 19, 2015 FINAL Page 27 of 47

29 ELECTRONICALLY COMMUTATED MOTOR CALULATION ECM INPUTS EXISTING PROPOSED SAVINGS ECM INPUTS PSC ECM Quantity of Motors 1 1 Motor Nameplate HP 1/2 1/2 Full Load Amps 2.2 Voltage Phase 3 3 Power Factor 55% 55% Operating Hrs Load Reduction % Elec Cost ($/kwh) ENERGY SAVINGS CALCULATIONS ECM RESULTS EXISTING PROPOSED SAVINGS Electric Energy (kwh) 1, Electric Energy Cost ($) $129 $77 $51 COMMENTS: Rooftop Exhaust Fan Maintenance Savings and Project Costs: No maintenance cost savings were estimated for this measure. Project Costs are based off RS Means Unit Cost data. November 19, 2015 FINAL Page 28 of 47

30 Energy Savings Summary: ECM #5 - ENERGY SAVINGS SUMMARY Installation Cost ($): $5,150 NJ Smart Start Equipment Incentive ($): $0 Net Installation Cost ($): $5,150 Maintenance Savings ($/Yr): $0 Energy Savings ($/Yr): $295 Total Yearly Savings ($/Yr): $295 Estimated ECM Lifetime (Yr): 15 Simple Payback 17.5 Simple Lifetime ROI -14.1% Simple Lifetime Maintenance Savings $0 Simple Lifetime Savings $4,425 Internal Rate of Return (IRR) -2% Net Present Value (NPV) ($1,628.31) November 19, 2015 FINAL Page 29 of 47

31 ECM #6: Domestic Hot Water Heater Replacement Description: Domestic hot water for the Monroe Township Municipal Building is provided by a single AO Smith Model ECT52210, electric hot water heater rated at 4,500W, and is approximately 10 years old. This unit has an approximated thermal efficiency of 97%, and while more efficient than existing gas heaters, significant cost savings is associated with switching from electric to gas water heater systems. The water heater should be replaced with a new high efficiency gas water heater due to its age and its usage of electricity to heat the water. This ECM will replace this existing electric domestic water heater with a gas water heater with a 90% thermal efficiency and a 76,000 BTUH burner. Energy Savings Calculations: Energy Density for Recreation type building = 5.0 kbtu / SF / year kbtu yr DHW Heat Usage Energy Density Building Square Footage SF SF DHW Heat Usage DHW Total Usage % Energy Cost Heating Fuel Usage Fuel Units Fuel Cost $ Unit November 19, 2015 FINAL Page 30 of 47

32 DOM. HOT WATER HEATER CALCULATIONS ECM INPUTS EXISTING PROPOSED SAVINGS Existing Electric Hot High Efficiency ECM INPUTS Water Heater Water Heater Building Type Municipal Building Building Square-foot 26,450 26,450 Domestic Water Usage, kbtu 42, , DHW Heating Fuel Type Electric Gas Heating Efficiency 97% 90% -7% Total Usage (kbtu) 43,629 47,022-3,393 Electric Cost ($/kwh) $ $ - Nat Gas Cost ($/Therm) $ - $ ENERGY SAVINGS CALCULATIONS ECM RESULTS EXISTING PROPOSED SAVINGS Electric Usage (kwh) 12, ,783 Natural Gas Usage (Therms) Energy Cost ($) $1,572 $503 $1,069 COMMENTS: Savings are based on Energy Information Administration Commercial Building Energy Consumption Survey 2003 Information Maintenance Savings and Project Costs: No maintenance cost savings were estimated for this measure. Project Costs are based off RS Means Unit Cost data. November 19, 2015 FINAL Page 31 of 47

33 Energy Savings Summary: ECM #6 - ENERGY SAVINGS SUMMARY Installation Cost ($): $8,700 NJ Smart Start Equipment Incentive ($): $50 Net Installation Cost ($): $8,650 Maintenance Savings ($/Yr): $0 Energy Savings ($/Yr): $1,069 Total Yearly Savings ($/Yr): $1,069 Estimated ECM Lifetime (Yr): 15 Simple Payback 8.1 Simple Lifetime ROI 85.4% Simple Lifetime Maintenance Savings 0 Simple Lifetime Savings $16,035 Internal Rate of Return (IRR) 9% Net Present Value (NPV) $4, November 19, 2015 FINAL Page 32 of 47

34 ECM #7: Replace Split Condensing Units Description: The Monroe Township Municipal Building has four (4) split system air conditioning only units, ranging from 0.75 to 4 tons of cooling, which serve various spaces. Two of these units are nearing the end of their ASHRAE service life expectancy of 20 years. Replacing these units with newer more efficient units could result in significant energy savings. Two of the units currently installed are lower efficiency compared to modern units. The units can be replaced with new high-efficiency units. New units provide higher full load and part load efficiencies due to advances in inverter motor technologies, higher efficiency refrigerants such as R410A. This ECM includes one-for-one replacement of the two (2) older split system units with new higher efficiency systems as well as replacing the indoor unit or indoor coil. It is recommended to fully evaluate the capacity needed for all new systems prior to moving forward with this ECM. A summary of the unit replacement for this ECM can be found in the table below: ECM INPUTS NUMBER OF UNITS IMPLEMENTATION SUMMARY COOLING TOTAL CAPACITY, CAPACITY, BTU/HR TONS REPLACE UNIT WITH SS 2 48, Carrier Infinity 21 four ton unit Total 2 48,000 8 Energy Savings Calculations: Cooling Energy Savings: Seasonal energy consumption of the air conditioners at the cooling mode is calculated with the equation below: Energy Savings, kwh Cooling Capacity, BTU Hr 1 SEER Demand Savings, kw Energy Savings kwh Hours of Cooling Cooling Cost Savings Energy Savings, kwh Cost of Electricity $ kwh ECM INPUTS COOLING CAPACITY, BTU/Hr ENERGY SAVINGS CALCULATIONS EXISTING NEW UNITS UNITS EFFICIENCY EFFICIENCY ANNUAL COOLING HOURS 1 Operation Hours SEER 1000 W kwh # OF UNITS ENERGY SAVINGS kwh DEMAND SAVINGS kw SS 48,000 1, SEER 21 SEER 2 5, Total 2 5, November 19, 2015 FINAL Page 33 of 47

35 Project Cost and Maintenance Savings The manufacturers used as the basis for the calculation is Carrier. The unit pricing and install cost were estimated based on RS Means unit cost data and vendor quotes. The payback may change based on actual unit pricing and install costs if the ECM is implemented. No maintenance savings were estimated for this measure. Energy Savings Summary: ECM #7 - ENERGY SAVINGS SUMMARY Installation Cost ($): $46,100 NJ Smart Start Equipment Incentive ($): $736 Net Installation Cost ($): $45,364 Maintenance Savings ($/Yr): $0 Energy Savings ($/Yr): $721 Total Yearly Savings ($/Yr): $721 Estimated ECM Lifetime (Yr): 15 Simple Payback 62.9 Simple Lifetime ROI -76.2% Simple Lifetime Maintenance Savings $0 Simple Lifetime Savings $10,815 Internal Rate of Return (IRR) -14% Net Present Value (NPV) ($36,756.75) November 19, 2015 FINAL Page 34 of 47

36 ECM #8: Install VFD on Hot Water Pumps Description: Heating hot water and chilled water is pumped around the Monroe Township Municipal Building by three (3) pumps. One of these pumps has a 5 HP Baldor motor with an efficiency of 87.5% with an estimated flow rate of 130 gallons per minute. (Note: the other pumps nameplate data was unable to be determined.) This ECM includes the installation of Variable Frequency Drives on the one (1) 5 horsepower existing hot water pump in addition to adding new premium efficiency inverter duty motor. The VFD control is based on a differential pressure sensor in the water loop to measure demand for water. Energy Savings Calculations: Pump Power HP Flow Head η η Energy Consumption kwh Motor HP kw 1 Hours of operation Hr HP η Total Energy Consumption kwh Energy Consumption of Each Motor Energy Cost $ Total Comsumption kwh Average Cost of Electric $ kwh Affinity Laws are used in order to calculate energy savings by calculating the reduced power consumption requirement based a reduction in flow. Affinity laws, are as following: Q = Flow, n = RPM, p = total pressure Q Q n n p n p n HP n HP n November 19, 2015 FINAL Page 35 of 47

37 HOT WATER SET #1 PUMPS VFD CALULATION ECM INPUTS EXISTING PROPOSED SAVINGS ECM INPUTS CV Pump VFD Pump Flow Control Throttle VFD - Motor Nameplate HP Flow* (GPM) Head* (Ft) Pump Efficiency (%) 65.0% 65.0% - Motor Efficiency (%) 87.5% 89.5% 2.0% Operating Hrs Elec Cost ($/kwh) ENERGY SAVINGS CALCULATIONS ECM RESULTS EXISTING PROPOSED SAVINGS Electric Energy (kwh) 16,305 9,319 6,987 Electric Energy Cost ($) $2,006 $1,146 $859 COMMENTS: Estimated Flow Rate and Head November 19, 2015 FINAL Page 36 of 47

38 Estimated Operating Profile with VFD Energy Savings Summary: ECM #8 - ENERGY SAVINGS SUMMARY Installation Cost ($): $13,600 NJ Smart Start Equipment Incentive ($): $0 Net Installation Cost ($): $13,600 Maintenance Savings ($/Yr): $0 Energy Savings ($/Yr): $859 Total Yearly Savings ($/Yr): $859 Estimated ECM Lifetime (Yr): 15 Simple Payback 15.8 Simple Lifetime ROI -5.3% Simple Lifetime Maintenance Savings $0 Simple Lifetime Savings $12,885 Internal Rate of Return (IRR) -1% Net Present Value (NPV) ($3,345.31) November 19, 2015 FINAL Page 37 of 47

39 ECM #9: Refrigerator Replacement Description: There are residential style refrigerators located in several offices and break rooms throughout the facility. While most of these units are Energy Star rated, one of these units is an older model that is not nearly as energy efficient as a refrigerator manufactured today. The proposed replacement is a one-for-one with a unit of similar size and dimensions that has the most up-to-date Energy Star Rating. The model selected is manufactured by Frigidaire. Energy Savings Calculations: ENERGY STAR REFRIGERATOR CALCULATION ECM INPUTS EXISTING PROPOSED SAVINGS Quantity 1 1 Manufacturer Sanyo Frigidaire Type Compact Compact Model SR4870X FFPE4522QM Size (Cu-Ft) Electric Rate ($/kwh) $0.123 $0.123 ENERGY SAVINGS CALCULATIONS Electric Usage (kwh) Energy Cost ($) $66 $34 $32 COMMENTS: Calculations based Energy Star Website November 19, 2015 FINAL Page 38 of 47

40 Energy Savings Summary: ECM #9 - ENERGY SAVINGS SUMMARY Installation Cost ($): $270 NJ Smart Start Equipment Incentive ($): $0 Net Installation Cost ($): $270 Maintenance Savings ($/Yr): $0 Energy Savings ($/Yr): $32 Total Yearly Savings ($/Yr): $32 Estimated ECM Lifetime (Yr): 15 Simple Payback 8.4 Simple Lifetime ROI 77.8% Simple Lifetime Maintenance Savings $0 Simple Lifetime Savings $480 Internal Rate of Return (IRR) 8% Net Present Value (NPV) $ November 19, 2015 FINAL Page 39 of 47

41 ECM #10: Water Conservation Description: The Monroe Township Municipal Building utilizes standard plumbing fixtures. The typical water faucet consumption only meets the minimum federal required standard for water efficiency. New fixtures are available that use less water than today s requirements and can add up to significant water reduction over a long period. This ECM includes the retrofitting of the existing faucets within the facility with new low flow aerators. The estimated usage of the plumbing fixtures is based on the estimated usage per day for each device and the facility operating days per year. The number of plumbing fixtures to be replaced is based on observations of the facility. The proposed retrofit includes installation of low flow aerators. When water consumption information was not available, the GPF values were estimated for the existing fixtures. Energy Savings Calculations: Faucets: Water Usage Quantity Operation Days Gal Usage Min Fixture yr Day Min Electric Usage Faucet Water Usage Gal 8.33 lbs Specific Heat 1 T 70 Gal 3,413 Btu 1 HWH Efficiency 50% Natural Gas Usage Faucet Water Usage Gal 8.33 lbs Specific Heat 1 T 70 Gal 100,000 Btu 1 HWH Efficiency 50% November 19, 2015 FINAL Page 40 of 47

42 LOW FLOW WATER SAVING DEVICES ECM INPUTS EXISTING PROPOSED SAVINGS Quantity of Sinks Flow Rate (GPM) Device Usage (min per day) Facility Operation (days / year) Heat Content of Water (Btu/gal/ F) Temperature Rise ( F) Efficiency of Heating System (%) 97% 97% Conversion Factor for Electric Conversion Factor for Gas Electric Rate ($/kwh) $0.123 $0.123 Natural Gas Rate ($/therm) $1.070 $1.070 Water Rate ($/1000gal) $5.000 $5.000 ENERGY SAVINGS CALCULATIONS Electric Usage (kwh) 9,067 2,061 7,006 Water Usage (gallons) 102,960 23,400 79,560 Energy Cost ($) $1,630 $370 $1,260 COMMENTS: Heating Savings based on 50% Hot Cold Mix. Water Rate Estimated The cost for installation and materials is based on 18 faucet aerators. There are no Smart Start rebates for installation of low flow plumbing fixtures. November 19, 2015 FINAL Page 41 of 47

43 Energy Savings Summary: ECM #10 - ENERGY SAVINGS SUMMARY Installation Cost ($): $540 NJ Smart Start Equipment Incentive ($): $0 Net Installation Cost ($): $540 Maintenance Savings ($/Yr): $0 Energy Savings ($/Yr): $1,260 Total Yearly Savings ($/Yr): $1,260 Estimated ECM Lifetime (Yr): 10 Simple Payback 0.4 Simple Lifetime ROI % Simple Lifetime Maintenance Savings $0 Simple Lifetime Savings $12,600 Internal Rate of Return (IRR) 233% Net Present Value (NPV) $10, November 19, 2015 FINAL Page 42 of 47

44 ECM #11: Toilet Water Conservation Description: The Monroe Township Municipal Building utilizes standard automatic plumbing fixtures. The typical water closet and urinal water consumption only meet the minimum federally required standard for water efficiency. New flush valves are available that use less water than today s requirements and can add up to significant water reduction over a long period. This ECM includes the replacement of the existing water closet and urinal flush valves within the bathrooms at the facility. The estimated usage of the plumbing fixtures is based on the total population of the facility. The number of valves to be replaced is based on observation of the facility in combination with federal minimum standards per occupancy load. The proposed retrofit includes installation of low flow flush valves that utilize 1.28 gallons per flush for the water closets, and 0.5 gallons per flush for the urinals. Energy Savings Calculations: For the basis of this calculation the LEED rating system was used to estimate the occupancy usage for students within the school. When water consumption information was not available, the GPF values were estimated for the existing fixtures. Urinals and Toilets: Days Water Consumption Occupancy Yr Use Flush Person per Fixture Day Gal Flush Water Consumption Gallons Ave Cost Water Cost 1000 Gal $ 1000 Gal November 19, 2015 FINAL Page 43 of 47

45 WATER CONSERVATION CALCULATIONS ECM INPUTS EXISTING PROPOSED SAVINGS ECM INPUTS Existing Fixtures Low Flow / Auto Flow Fixtures - Total Number of Occupants % Male to Female 50% 50% - Estimated % Floor Area Served by Older Bathrooms 100% 100% - Occupied Days Per Year Lavatory Uses per Day per Person WC Uses per Day per Person Urinal Uses per Day per Person Total Urinal Flushes Per Day Total WC Flushes Per Day Urinal Gallons Per Flush (GPF) WC Gallons Per Flush (GPF) ** Water Cost ($/1000 Gal) $5.00 $ ENERGY SAVINGS CALCULATIONS ECM RESULTS EXISTING PROPOSED SAVINGS Water Consumption, Urinal and WC (Gal) 50,700 34,710 15,990 Water Cost ($) $254 $174 $80 COMMENTS: *Savings are based on LEED Reference Guide for Green Building Design and Construction Edition for WC and Urinal water usage. Project Cost, Incentives, and Maintenance Estimates: The cost for installation and materials of 14 water closet and urinal flush valves is approximately $15,008. There are no Smart Start rebates for installation of low flow plumbing fixtures. November 19, 2015 FINAL Page 44 of 47

46 Energy Savings Summary: ECM #11 - ENERGY SAVINGS SUMMARY Installation Cost ($): $3,600 NJ Smart Start Equipment Incentive ($): $0 Net Installation Cost ($): $3,600 Maintenance Savings ($/Yr): $0 Energy Savings ($/Yr): $80 Total Yearly Savings ($/Yr): $80 Estimated ECM Lifetime (Yr): 15 Simple Payback 45.0 Simple Lifetime ROI -66.7% Simple Lifetime Maintenance Savings $0 Simple Lifetime Savings $1,200 Internal Rate of Return (IRR) -11% Net Present Value (NPV) ($2,644.97) November 19, 2015 FINAL Page 45 of 47

47 VI. RENEWABLE/DISTRIBUTED ENERGY MEASURES Globally, renewable energy has become a priority affecting international and domestic energy policy. The State of New Jersey has taken a proactive approach, and has recently adopted in its Energy Master Plan a goal of 30% renewable energy by To help reach this goal New Jersey created the Office of Clean Energy under the direction of the Board of Public Utilities and instituted a Renewable Energy Incentive Program to provide additional funding to private and public entities for installing qualified renewable technologies. A renewable energy source can greatly reduce a building s operating expenses while producing clean environmentally friendly energy. Solar Generation Due to the height and proximity of the surrounding trees, it is economically not feasible to install a solar array on the roof or the parking lot area for the Monroe Township Municipal Building. Wind Generation In addition to evaluating solar, Concord also conducted a review of the applicability of wind energy for the Township. Wind energy production is another option available through the Renewable Energy Incentive Program. Wind turbines of various types can be utilized to produce clean energy on a per building basis. Cash incentives are available per kwh of electric usage. In order to be economically viable a site requires a minimum average wind speed of 13.5 mph. Based on the obtained wind data shown in Figure 3 for Freehold, NJ the annual average wind speed is 10.4 mph with a peak of 12.2 mph, making this area unattractive for wind development. Therefore, wind energy is not a viable option to implement. Figure 3: Monthly Wind Speed (Freehold, New Jersey) November 19, 2015 FINAL Page 46 of 47

48 VII. ADDITIONAL RECOMMENDATIONS The following recommendations include no cost/low cost measures, Operation & Maintenance (O&M) items, and water conservation measures with attractive paybacks. These measures are not eligible for the Smart Start Buildings incentives from the office of Clean Energy but save energy none the less. A. Chemically clean the condenser and evaporator coils periodically to optimize efficiency. Poorly maintained heat transfer surfaces can reduce efficiency 5-10%. B. Maintain all weather stripping on windows and doors. C. Clean all light fixtures to maximize light output. D. Provide more frequent air filter changes to decrease overall system power usage and maintain better IAQ. E. Turn off computers when not in use. Ensure computers are not running in screen saver mode. F. Replace any old CRT Monitors with LED/LCD Type Monitors, which can draw as much as a quarter the power of an equivalent CRT monitor. G. Ensure outside air dampers are functioning properly and only open during occupied mode. November 19, 2015 FINAL Page 47 of 47

49 Appendix APPENDIX A

50 APPENDIX A 1 of 1 ECM COST & SAVINGS BREAKDOWN CONCORD ENGINEERING Monroe Township - Municipal Building ECM ENERGY AND FINANCIAL COSTS AND SAVINGS SUMMARY ECM NO. DESCRIPTION MATERIAL INSTALLATION COST LABOR REBATES, INCENTIVES NET INSTALLATION COST YEARLY SAVINGS ECM LIFETIME LIFETIME ENERGY SAVINGS ENERGY MAINT. / SREC TOTAL (Yearly Saving * ECM Lifetime) LIFETIME MAINTENANCE SAVINGS (Yearly Maint Svaing * ECM Lifetime) LIFETIME ROI (Lifetime Savings - Net Cost) / (Net Cost) SIMPLE PAYBACK (Net cost / Yearly Savings) INTERNAL RATE OF RETURN (IRR) NET PRESENT VALUE (NPV) ($) ($) ($) ($) ($/Yr) ($/Yr) ($/Yr) (Yr) ($) ($) (%) (Yr) ($) ($) ECM #1 Interior Lighting Upgrade $32,098 $17,415 $5,350 $44,163 $6,579 $0 $6, $98,688 $ % % $34, ECM #2 Exterior Lighting Upgrade $5,739 $2,295 $1,320 $6,714 $870 $0 $ $13,050 $0 94.4% % $3, ECM #3 Lighting Controls $3,850 $1,750 $260 $5,340 $502 $0 $ $7,530 $0 41.0% % $ ECM #4 Boiler Replacement $36,300 $38,300 $2,200 $72,400 $1,376 $0 $1, $27,520 $0-62.0% % ($51,928.59) ECM #5 EC Motors $3,000 $2,150 $0 $5,150 $295 $0 $ $4,425 $0-14.1% % ($1,628.31) ECM #6 Domestic Hot Water Heater Replacement $3,500 $5,200 $50 $8,650 $1,069 $0 $1, $16,035 $0 85.4% % $4, ECM #7 Condensing Unit Replacement $19,000 $27,100 $736 $45,364 $721 $0 $ $10,815 $0-76.2% % ($36,756.75) ECM #8 Pump VFD $5,400 $8,200 $0 $13,600 $859 $0 $ $12,885 $0-5.3% % ($3,345.31) ECM #9 Refrigerator Replacement $270 $0 $0 $270 $32 $0 $32 15 $480 $0 77.8% % $ ECM #10 Water Conservation $360 $180 $0 $540 $1,260 $0 $1, $12,600 $ % % $10, ECM #11 Toilet and Urinal Flush Valves $2,100 $1,500 $0 $3,600 $80 $0 $80 15 $1,200 $0-66.7% % ($2,644.97) Notes: 1) The variable Cn in the formulas for Internal Rate of Return and Net Present Value stands for the cash flow during each period. 2) The variable DR in the NPV equation stands for Discount Rate 3) For NPV and IRR calculations: From n=0 to N periods where N is the lifetime of ECM and Cn is the cash flow during each period.

51 Appendix APPENDIX B

52 Appendix B Page 1 of BURNT MILL ROAD VOORHEES, NEW JERSEY PHONE: (856) FAX: (856) SmartStart Building Incentives The NJ SmartStart Buildings Program offers financial incentives on a wide variety of building system equipment. The incentives were developed to help offset the initial cost of energy-efficient equipment. The following tables show the current available incentives from July 1, 2015 to June 30, 2016, further details including how to apply, forms, and calculated incentive values can be found the Clean Energy Website. ( Electric Chillers Constant Speed: Base: $8 - $30 per ton Performance Add: $2 - $2.25 per ton Water-Cooled Chillers Variable Speed: Base: $12 - $44 per ton Performance Add: $2 - $4.00 per ton Constant Speed: Base: $20 per ton Performance Add: $3.50 per ton Air-Cooled Chillers Variable Speed: Base: $90 - $92 per ton Performance Add: $4.00 per ton Energy Efficiency must comply with ASHRAE Gas Absorption Chillers (Indirect & Direct-Fired) Gas Cooling $185 - $450 per ton Desiccant Systems $1.00 per cfm gas or electric Electric Unitary HVAC Unitary AC and Split Systems $73 - $92 per ton Air-to-Air Heat Pumps $73 - $92 per ton Water-Source Heat Pumps $81 per ton Packaged Terminal AC & HP $65 per ton Central DX AC Systems $40- $72 per ton Dual Enthalpy Economizer Controls $250 Occupancy Controlled Thermostat (Hospitality & Institutional Facility) $75 per thermostat A/C Economizing Controls < 5 tons $85/unit; >5 tons $170/unit Energy Efficiency must comply with ASHRAE