Random Recipes

Example M&V Plan Federal Energy Management Program (FEMP) U.S. Department of Energy Department of Energy’s Federal Energy Management Program by Nexant, Inc., and La document is posted on FEMP’s web site at www.eere.energy.gov/femp/financi ng/superespcs_mvresources.cfm Comments should be sent to lwebster@nexant.com 6.1 &#x/BBo;&#xx [4;1 7;0 5;! 7;T] ;&#x/Typ; /P; gin; tio;&#xn /A;&#xttac;&#xhed ;&#x[/To;&#xp] 0;&#x/BBo;&#xx [4;1 7;0 5;! 7;T] ;&#x/Typ; /P; gin; tio;&#xn /A;&#xttac;&#xhed ;&#x[/To;&#xp] 0;Example M&V Plan &#x/MCI; 1 ;&#x/MCI; 1 ;Contents &#x/MCI; 2 ;&#x/MCI; 2 ;1. &#x/MCI; 3 ;&#x/MCI; 3 ;EXECUTIVE SUMMARY / M&V OVER VIEW AND PROPOSED SAVINGS ROPOSED AVINGS UMMARY , W PERATIONS AND CHEDULE AND EPORTING FOR ERIFICATION , P , R EPLACEMENT EPORTING EQUIREMENTS ONSTRUCTION ERIOD EBATES AND SAVINGS CALCULATION 6.1 &#x/BBo;&#xx [4;1 7;0 5;! 7;T] ;&#x/Typ; /P; gin; tio;&#xn /A;&#xttac;&#xhed ;&#x[/To;&#xp] 0;&#x/BBo;&#xx [4;1 7;0 5;! 7;T] ;&#x/Typ; /P; gin; tio;&#xn /A;&#xttac;&#xhed ;&#x[/To;&#xp] 0;Example M&V Plan &#x/MCI; 1 ;&#x/MCI; 1 ;5. &#x/MCI; 2 ;&#x/MCI; 2 ;ECM 3 — CHILLER REPLACEMENT M&V PLAN AND SAVINGS 6.1 &#x/BBo;&#xx [4;1 7;0 5;! 7;T] ;&#x/Typ; /P; gin; tio;&#xn /A;&#xttac;&#xhed ;&#x[/To;&#xp] 0;&#x/BBo;&#xx [4;1 7;0 5;! 7;T] ;&#x/Typ; /P; gin; tio;&#xn /A;&#xttac;&#xhed ;&#x[/To;&#xp] 0;Example M&V Plan &#x/MCI; 1 ;&#x/MCI; 1 ;Background &#x/MCI; 2 ;&#x/MCI; 2 ;This document is a comprehensive M&V Plan for a fictitious energy performance contract project. This document is common ECMs that comply with the Provided in fulfillment of Super ESPC requirements, Delivery Order Number FAKE34621 M&V Specialist Email: axb@abceng.com Fax: (201) 455-3439 Email: rihandy@piscataway.gsa.gov 2/07 page 1 EXECUTIVE SUMMARY / M&V OVERVIEW AND PROPOSED SAVINGS CALCULATIONS Proposed Annual Savings Overview lighting, improvements to the central plant chiller, and the addition of an energy management control system (EMCS). This pr oject will also result in improved lighting maintenance costs. Chiller operations and maintenance savings of $12,000 is due to the replacement of a service contract with an ABC Total water cost ($/yr) ($/yr) Total cost ($/yr) Lighting 186,406 690 636 $15,339 $0 $15,339 899,252 3,069 $23,841 $0 $23,841 Chiller 194,119 502 663 $14,230 $12,000 $26,230 Total 1,321,032 1,191 4,368 $53,410 $12,000 $65,410 Utility usage for site during the period fr om January to December 2002 iscompared to 2/07 page 2 (kWh/yr) demand (kW-yr)* (MBtu/yr) Other (MBtu/yr) (kGal/yr) Total energy (MBtu/yr) Total proposed project savings 1,321,032 1,191 4,509 entire site 9,195,271 31,890 NA NA 31,383 % Total site usage saved 14.4% 3.7% 14.4% Project square footage (KSF) Total site square footage (KSF) 664 % Total site MBtu = 10 Btu = 293 kWh *Annual electric demand savings (kW/yr) is the sum of the monthly demand savings. KSF = 10 schedules (e.g. 0.004313 MBtu / kWh). M&V Plan Summary measurement and verification (M&V) activities for each of the three ECMs in order to estimate the act Sections 3 through 5 of this document, and are summarized in Table 1-3. Table 1-3: M&V Plan Summary ECM description Summary of M&V plan 6.1 &#x/BBo;&#xx [4;1 7;0 5;! 7;T] ;&#x/Typ; /P; gin; tio;&#xn /A;&#xttac;&#xhed ;&#x[/To;&#xp] 0;&#x/BBo;&#xx [4;1 7;0 5;! 7;T] ;&#x/Typ; /P; gin; tio;&#xn /A;&#xttac;&#xhed ;&#x[/To;&#xp] 0;Example M&V Plan &#x/MCI; 1 ;&#x/MCI; 1 ;2. &#x/MCI; 2 ;&#x/MCI; 2 ;WHOLE PROJECT DATA / GLOBAL ASSUMPTIONS Risk and Responsibility Appendix of this document. Energy, Water, and Operations and Maintenance (O&M) Rate Data Schedule and Reporting for Ve rification Activities The schedule of M&V submissions is summarized in Table 2.2. fication Reporting Activities Time of submission Owner’s review and Post-Installation Report 30 days after acceptance performance period The Post-Installation Report will be submitted 6.1 &#x/BBo;&#xx [4;1 7;0 5;! 7;T] ;&#x/Typ; /P; gin; tio;&#xn /A;&#xttac;&#xhed ;&#x[/To;&#xp] 0;&#x/BBo;&#xx [4;1 7;0 5;! 7;T] ;&#x/Typ; /P; gin; tio;&#xn /A;&#xttac;&#xhed ;&#x[/To;&#xp] 0;Example M&V Plan &#x/MCI; 1 ;&#x/MCI; 1 ;receive rebates for the lighting efficiency m easure. Incentives will be provided directly from PSE&G to the GSA. Total rebate T-8, 4-lamp T-8, 2-lamp Exit Sign LEDs Dispute Resolution event that a dispute does arise regarding issu es such as baseline adjustments or use of measured data, the issues will be jointly re viewed and an agreeable resolution reached. Otherwise, the arbitration clause in the Ma nagement Plan of the Delivery Order will 2/07 page 6 6.1 &#x/BBo;&#xx [4;1 7;0 5;! 7;T] ;&#x/Typ; /P; gin; tio;&#xn /A;&#xttac;&#xhed ;&#x[/To;&#xp] 0;&#x/BBo;&#xx [4;1 7;0 5;! 7;T] ;&#x/Typ; /P; gin; tio;&#xn /A;&#xttac;&#xhed ;&#x[/To;&#xp] 0;Example M&V Plan &#x/MCI; 1 ;&#x/MCI; 1 ;3. &#x/MCI; 2 ;&#x/MCI; 2 ;ECM 1 — LIGHTING M&V PLAN AND SAVINGS 6.1 &#x/BBo;&#xx [4;1 7;0 5;! 7;T] ;&#x/Typ; /P; gin; tio;&#xn /A;&#xttac;&#xhed ;&#x[/To;&#xp] 0;&#x/BBo;&#xx [4;1 7;0 5;! 7;T] ;&#x/Typ; /P; gin; tio;&#xn /A;&#xttac;&#xhed ;&#x[/To;&#xp] 0;Example M&V Plan &#x/MCI; 1 ;&#x/MCI; 1 ;3.2 &#x/MCI; 2 ;&#x/MCI; 2 ;Energy and Water Baseline Development 6.1 &#x/BBo;&#xx [4;1 7;0 5;! 7;T] ;&#x/Typ; /P; gin; tio;&#xn /A;&#xttac;&#xhed ;&#x[/To;&#xp] 0;&#x/BBo;&#xx [4;1 7;0 5;! 7;T] ;&#x/Typ; /P; gin; tio;&#xn /A;&#xttac;&#xhed ;&#x[/To;&#xp] 0;Example M&V Plan &#x/MCI; 1 ;&#x/MCI; 1 ;estimate the annual operating hours for each of the seven usage groups with a precision of 20% at 80% confidence. Initial sample size for each usage group was eleven loggers 6.1 &#x/BBo;&#xx [4;1 7;0 5;! 7;T] ;&#x/Typ; /P; gin; tio;&#xn /A;&#xttac;&#xhed ;&#x[/To;&#xp] 0;&#x/BBo;&#xx [4;1 7;0 5;! 7;T] ;&#x/Typ; /P; gin; tio;&#xn /A;&#xttac;&#xhed ;&#x[/To;&#xp] 0;Example M&V Plan &#x/MCI; 1 ;&#x/MCI; 1 ;Z&#x/MCI; 2 ;&#x/MCI; 2 ;2&#x/MCI; 3 ;&#x/MCI; 3 ;C&#x/MCI; 4 ;&#x/MCI; 4 ;2&#x/MCI; 5 ;&#x/MCI; 5 ;v &#x/MCI; 6 ;&#x/MCI; 6 ;* &#x/MCI; 7 ;&#x/MCI; 7 ;Nn &#x/MCI; 8 ;&#x/MCI; 8 ;n (D.3); n (D.4) Z = Z statistic for desired confidence interval p = desired precision = coefficient of variation N = population of usage groups or fixtures n = sample size assuming = sample size correct Because the sample sizes n and n* must be integers, the results from Equations D.3 earest integer value. The coefficient of ) is simply the standard deviati on of the measurement divided by the average measurement value. = standard deviation = average measured value When the measurements have been taken, the C can be quickly calculated. If the is less than the assumed value, then ;n ;p Fixture powers will be based on the aver age of the measured values. Usage group operating hours will be based on the average of the measured values. The coincidence factor (CF, probability that operation coin cides with building peak) for each usage group will be based on the operating hours be tween 1:00 and 4:00 p.m. as follows: 2/07 page 10 Example M&V Plan Example M&V Plan 6.1 &#x/BBo;&#xx [4;1 7;0 5;! 7;T] ;&#x/Typ; /P; gin; tio;&#xn /A;&#xttac;&#xhed ;&#x[/To;&#xp] 0;&#x/BBo;&#xx [4;1 7;0 5;! 7;T] ;&#x/Typ; /P; gin; tio;&#xn /A;&#xttac;&#xhed ;&#x[/To;&#xp] 0;Example M&V Plan &#x/MCI; 1 ;&#x/MCI; 1 ;kW UsageGroup post fixture Energy (kWh) and demand (kW) savings will be calculated using Equation 3-2 and kWh Savings = u [ (kW UsageGroup - kW UsageGroup U,post of Operation] kW Savings = u [(kW UsageGroup - kW UsageGroup U,post kWh Savings one year post-installation kW Savings Coincident kilowatt demand saving kW UsageGroup Lighting baseline demand for usage kW UsageGroup U,post Lighting demand during post- ximum percent of lighting operating during at time building peak Proposed Annual Savings for ECM 6.1 &#x/BBo;&#xx [4;1 7;0 5;! 7;T] ;&#x/Typ; /P; gin; tio;&#xn /A;&#xttac;&#xhed ;&#x[/To;&#xp] 0;&#x/BBo;&#xx [4;1 7;0 5;! 7;T] ;&#x/Typ; /P; gin; tio;&#xn /A;&#xttac;&#xhed ;&#x[/To;&#xp] 0;Example M&V Plan &#x/MCI; 1 ;&#x/MCI; 1 ;4. &#x/MCI; 2 ;&#x/MCI; 2 ;ECM 2 — EMCS M&V PLAN AND SAVINGS Option B was chosen for this measure because of the concern that post-installation motor operation hours may not turn out as estimat the new control system readily lends itself to ongoing measurement. The control system can track th e actual run times of equipment with great accuracy and very little added cost. The following assumptions are employed for this M&V plan: In the absence of this project, the pu mp and fan performance would remain 6.1 &#x/BBo;&#xx [4;1 7;0 5;! 7;T] ;&#x/Typ; /P; gin; tio;&#xn /A;&#xttac;&#xhed ;&#x[/To;&#xp] 0;&#x/BBo;&#xx [4;1 7;0 5;! 7;T] ;&#x/Typ; /P; gin; tio;&#xn /A;&#xttac;&#xhed ;&#x[/To;&#xp] 0;Example M&V Plan &#x/MCI; 1 ;&#x/MCI; 1 ;Table 4-2: Equipment Nameplate Data and Measured Power Draw Equipment Nameplate Nominal Nominal (kW) AHU-1 supply fan HWP-1 hot water supply pump Proposed Energy and Water Savings Calculations and Operations and Maintenance and Other Cost Savings O&M savings are not being claime d or documented for this ECM. Proposed Annual Savings for ECM (kWh/yr) (kW-yr) Total (MBtu/yr) energy cost, Year 1 ($/yr) 1 ($/yr) costs, Year 1 ($/yr) Total costs, Year 1 ($/yr) Baseline use 1,266,002 158 4,321 $66,465 $15,291 $66,465 Post-installation use 811,894 158 2,771 $42,624 $15,291 $42,624 454,108 1,550 $23,841 $23,841 Post-Installation M&V Activities The points in the new EMCS system to be mo nitored for use in savings calculations are listed in Table 4-5. All of these points will be “trended” — meaning that there will be a time stamp associated with each recorded point value. From this information, the total operating hours of the affected equipment for the year will be calculated. Temperature data will be collected and analyzed to ensure that the operation of the control system is as intended. Additional points will be collected fo r ECM 3 (Chiller) so that this information can be used to verify the performance of th 6.1 &#x/BBo;&#xx [4;1 7;0 5;! 7;T] ;&#x/Typ; /P; gin; tio;&#xn /A;&#xttac;&#xhed ;&#x[/To;&#xp] 0;&#x/BBo;&#xx [4;1 7;0 5;! 7;T] ;&#x/Typ; /P; gin; tio;&#xn /A;&#xttac;&#xhed ;&#x[/To;&#xp] 0;Example M&V Plan &#x/MCI; 1 ;&#x/MCI; 1 ;Table 4-5: EMCS Control Points for Savings Calculations &#x/MCI; 2 ;&#x/MCI; 2 ;Equipment Chiller compressor motor AHU-1 supply fan CHWP-1 chilled water supply pump CWP-1 condenser water pump HWP-1 hot water supply pump Outside air temperature Analog temperature sensor Outside humidity sensor Chilled water supply temperature Analog temperature sensor request. In the case that some data are missi ng, a check for a valid reason for missing data will be made. If the data is truly missing, then operating hours for the period with missing from a similar period. Sources of data used to make up for missing data will be clearly identified and will be described in the Annual Report. kWh kWh aseline total kWh 2/07 page 20 ECM 3 — CHILLER REPLACEMENT M&V PLAN AND The following figure will help illustrate the savings verification process: Chiller Performance and Savings 400 kW New kW Baseline ASHRAE model for baseline chiller kW measured 2. Estimate baseline chiller 300 1. Measure chiller load and operating conditions. demand at standard conditions. Manufacturer's model for new chiller 4. Calculate kW reduction as difference between baseline and measured values. 200 3. Measure the new chiller demand. 100 100 200 300 400 Tons Measure the chiller load (tons) from the chil No other physical changes are planned to the condenser pumps, chilled water pumps or the cooling tower. ne model will be held c onstant at 85ºF. The actual condenser water temperature will be allo wed to fall below 85ºF to improve part- load performance. temperature. One month of monitoring of chiller demand and load variables was adequate to develop an accurate model of th e existing chiller performance. The building plans no major projects, such would significantly alter the current build internal cooling loads. Energy and Water Baseline Development Data collection of the existing chiller’s demand, entering and leaving chilled water temperatures, and entering condenser wate r temperature occurred during August and September 2003. The data was collected in 15 -minute intervals using an Elite 6-channel . In order to collect data over a full and condenser water temperatures, chiller demand) expected in the post-installation period, the condenser and chil led water temperatures were 12,000 Conversion from Btuh to tons See Attachment 4. 2/07 page 23 6.1 &#x/BBo;&#xx [4;1 7;0 5;! 7;T] ;&#x/Typ; /P; gin; tio;&#xn /A;&#xttac;&#xhed ;&#x[/To;&#xp] 0;&#x/BBo;&#xx [4;1 7;0 5;! 7;T] ;&#x/Typ; /P; gin; tio;&#xn /A;&#xttac;&#xhed ;&#x[/To;&#xp] 0;Example M&V Plan &#x/MCI; 1 ;&#x/MCI; 1 ;CAP&#x/MCI; 2 ;&#x/MCI; 2 ;nom Nominal full-load capacity of chiller (400 tons) nom Nominal full load chiller demand. The nominal kW is the full-load rating multiplied by the nominal capacity (0.85 kW/ton 400 = 340 kW) The maximum capacity (tons) of the chiller va ries with operating parameters, and can be 0.001389 0.00375 0.00015 -0.000375 m n o 0.46371 chiller could not take advantage of reduced condenser water temperatures because of physical operating limitations. Proposed Energy and Water Savings Calculations and Operations and Maintenance and Other Cost Savings ABC Engineering assuming the chiller maintenan ce contract for the new chiller. The cost of these annual services will be $14,000, co mpared to the existing contract for $26,000. Proposed Annual Savings for ECM Proposed annual savings are summarized in th Table 5-2: Proposed Annual Savings for ECM 3 – Chiller (kWh/yr) (kW/yr) Total (Mbtu/yr) energy cost, Year 1 ($/yr) 1 ($/yr) costs, Year 1 ($/yr) Total costs, Year 1 ($/yr) Baseline use 500,004 1,292 1,707 $26,250 $10,403 $26,000 $62,653 Post-installation use 305,885 790 1,044 $16,059 $6,364 $14,000 $36,423 194,119 502 663 $10,191 $4,039 $12,000 $26,230 Post-Installation M&V Activities After the new chiller has been installed and commissioned, ABC Engineering and Federal Center representatives will conduct a post-installation inspection to verify that the cost savings predicted. ABC Engineering will provide a Chiller Inspection Report 6.1 &#x/BBo;&#xx [4;1 7;0 5;! 7;T] ;&#x/Typ; /P; gin; tio;&#xn /A;&#xttac;&#xhed ;&#x[/To;&#xp] 0;&#x/BBo;&#xx [4;1 7;0 5;! 7;T] ;&#x/Typ; /P; gin; tio;&#xn /A;&#xttac;&#xhed ;&#x[/To;&#xp] 0;Example M&V Plan &#x/MCI; 1 ;&#x/MCI; 1 ;Using the monitored post-installation data, the baseline energy use will be computed using the ASHRAE model and assuming sta The new chiller’s performance will be compared to the manufacturers’ rated performance annually to ensure that the chiller is opera ting as expected. This will be accomplished by using the manufacturer’s performance curv performance curves used for temperatures will be used with the manufacturer’s model. Some degradation in chiller pe rformance is expected over the course of the delivery order contract (5 years), which has been considered monitor the calculated kW/ton of the new chill er and issue an alarm when this value moves outside the expected range (0.40 - 1.10 kW/ton). ity control procedures for checking the measurements for reasonableness. Any and all missing intervals will be replaced either by interpolation or use of average values. Su calculations will also be provided electron ically, in MS Excel spreadsheets. All calculations will follow the procedure described in this M&V plan. In addition to the reports, all monitored data will be submitted in electronic format. PROPOSED APPROACH Interest rates: eering will work with the GSA to ensure that the best possible financial terms are secured for this project. Energy prices for this DO 6.1 &#x/BBo;&#xx [4;1 7;0 5;! 7;T] ;&#x/Typ; /P; gin; tio;&#xn /A;&#xttac;&#xhed ;&#x[/To;&#xp] 0;&#x/BBo;&#xx [4;1 7;0 5;! 7;T] ;&#x/Typ; /P; gin; tio;&#xn /A;&#xttac;&#xhed ;&#x[/To;&#xp] 0;Example M&V Plan &#x/MCI; 1 ;&#x/MCI; 1 ;RESPONSIBILITY/ DESCRIPTION &#x/MCI; 2 ;&#x/MCI; 2 ;PROPOSED APPROACH fan and pump motor operating performance period. operating hours for equipment has in case of substantial change in schedule. 6.1 &#x/BBo;&#xx [4;1 7;0 5;! 7;T] ;&#x/Typ; /P; gin; tio;&#xn /A;&#xttac;&#xhed ;&#x[/To;&#xp] 0;&#x/BBo;&#xx [4;1 7;0 5;! 7;T] ;&#x/Typ; /P; gin; tio;&#xn /A;&#xttac;&#xhed ;&#x[/To;&#xp] 0;Example M&V Plan &#x/MCI; 1 ;&#x/MCI; 1 ;RESPONSIBILITY/ DESCRIPTION &#x/MCI; 2 ;&#x/MCI; 2 ;PROPOSED APPROACH for maintaining the fan and pump motors so that the power draws remain at the baseline Chiller. The chiller is expected to perform as rated by the