物有所值-投資最高回報率的節能建筑技術 .pdf

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1、Click to edit Master title style2_Title SlideBang For Your Buck:Energy Efficient Building Technology Investments that Yield the Highest Rate of Returns Wednesday,April 3rd 2024 4:00 PM-5:00 PM ET Polling Instructions Please navigate to the session in the app and select Polls from the menu Polls to g

2、et us started Poll#1 What Sector does your organization fall under?Poll#2 What is your role at your organization?Poll#3 What cost effective technologies have you implemented at your facility,or within your organizations portfolio?Write any that apply.Tom Abram Introba,Better Climate Challenge Techni

3、cal Account Manager Scaling Efficiency Solutions 1234Agenda Building Efficiency Targeting Tool for Energy Retrofits(BETTER)Low and Medium Interventions for the Rest of your Portfolio Welcome and Introductions 5Closing and Q&A Todays Presenters Ilene Mason,Founder&CEO Rethinking Power Management Becc

4、a Timms,Director of ESG Jamestown LP Sydney Applegate,ORISE Science,Technology,and Policy Fellow Building Technologies Office,Department of Energy Ilene Mason Rethinking Power Management Low and Moderate Level Interventions for the Rest of the Portfolio APRIL 3,2024 Upgrade Levels High=Deep energy r

5、etrofit Medium=Moderate rehab Low=Planned capital projects&annual budgeting Medium/Low Touch Approach 1.Long-range planning&exploratory studies 2.Optimize existing systems Retro-commissioning&Bldg.level controls EOL upgrades/partial electrification Ventilation-balance,sizing,ERV 3.Enclosure Improvem

6、ents Insulation Air sealing&weatherization EOL windows,doors,entryways Moisture issues Project Examples RETRO-COMMISSIONING Retro-commissioning BACKGROUND Rehab hospital repurposed to office space Multiple fuels,complex HVAC&BAS systems Audits Optimize/rewrite controls protocols On-Site Training RES

7、ULTS Retro-commissioning ELECTRIC LOAD DENSITY MAP MEASURES Realigned HVAC operations to match occupied/unoccupied periods Eliminated simultaneous heating and cooling Staggered and time-of-use scheduling Limited use of heat and reheat functions in the terminal boxes ENHANCED CONTROLS VS.PARTIAL ELEC

8、TRIFICATION Enhanced Ctrls vs.Partial Electrification EXPAND VRV WITH ENHANCED CONTROLS CONVERT 1/3 OF THE BUILDING TO VRF Benefits Changes/Concerns Single system;single controls interface Complex control system operations Leverage remaining equipment life Full reliance on central steam line Transit

9、ions to geothermal Lower embodied carbon Benefits Changes/Concerns Immediately electrify 32%of building Two distinct systems Reduced energy use,GHG emissions&load Shorter equipment lifespan Simple,localized controls for offices No transition to geothermal Potentially lower cost Enhanced Ctrls vs.Par

10、tial Electrification OUTCOMES Decision to pursue whole building VRV Single system Consistent equipment throughout the building Opportunity to convert from central steam to networked geothermal Knowledgeable controls department to manage operations Conceptualization for other campus buildings Enhance

11、d Ctrls vs.Partial Electrification OVER TIME RECOMMENDATIONS Engineering analysis&design,duct pressure testing&sealing,additional air sealing VRV system install&optimization,HRV Pneumatic to DDC conversion DCV,fan pressure optimization Chiller replacement and optimization Couple to ground source hea

12、t pump Electrify domestic hot water Multi-Family-Good-Better-Best Options BACKGROUND Scattered site-63 unit low-rise,three townhouse clusters Limited refinance budget Interest in green certification Multi-Family-Good-Better-Best Options Good Better Best 15%Energy Savings 35%Energy Savings 58%Energy

13、Savings 15%GHG Emissions Savings 37%GHG Emissions Savings 46%GHG Emissions Savings Roof insulation*Roof insulation*Roof insulation*Double pane Energy Star windows*Double pane Energy Star windows*Triple pane Energy Star windows Unit patio door replacement*Unit patio door replacement*Unit patio door r

14、eplacement*AC sleeve covers*AC sleeve covers*Exterior Insulation and Finish System(EIFS)Air sealing&compartmentalization Air sealing&compartmentalization Air sealing&compartmentalization Heating boiler plant upgrade*Heating boiler plant upgrade*Electrify heating plant-VRF system Make up air replacem

15、ent Make up air replacement/gas fired ERV Make up air replacement w heat pump ERV Energy Star refrigerators Energy star refrigerators Energy star refrigerators Hot water boiler plant upgrade*Hot water boiler plant upgrade*Heat pump hot water heater upgrade Embue thermostat&controls system Solar arra

16、y on low-rise building Solar array on all buildings Useful Exploratory Studies TESTING AND ANALYSIS TO INFORM FUTURE DESIGN Electric capacity&condition Structural analysis Blower Door testing Grid constraints Energy audits;decarbonization plans Metering for bldg.EUIs Climate risk assessments Recap M

17、edium and Low Touch Approach Audits;decarbonization planning Exploratory Studies Planning Controls System upgrades Partial electrification Mechanical Insulation and air sealing Windows,doors,vestibules Climate risks Enclosure Thank you!Ilene Mason,CEO Rethinking Power Management LLC 508-259-5030 Bec

18、ca Timms Jamestown LP 1.As of December 31,2023$11.6 41 Portfolio Summary 1.Asset count includes separate account managed on behalf of a German pension fund.Jamestowns ESG Focus Areas Carbon Management Hierarchy Source:Stok Source:U.S.DOE Real Estate Project Life-cycle Source:Urban Land Institute,“Em

19、bedding Sustainability in Real Estate Transactions”An Existing Building Campus Approach EMIS Approach Monthly Benchmarking from Bills(whole building data)Cass/Schneider Electric ENERGY STAR Measurable Energy Information Systems Automated System OptimizationPrescriptive Data(Nantum)Specialized(specif

20、ic buildings)Widely Applicable(all buildings)Tech-driven ECM Implementation+Monitoring Carbon Lighthouse Gridium Logical Buildings Submetering vendors Full System Integration Pilot Results Carbon Lighthouse Carbon Lighthouse uses machine learning algorithms to conduct a digital energy audit of a pro

21、perty to identify efficiency projects.Once the landlord implements the improvements,Carbon Lighthouse continues to monitor them so measures stay in place.With projected savings of$132k annually at One Metro Center in Washington,D.C.,the project helped save$72k+when the comparing the same three-month

22、 period in 2021 and 2023.Nantum(Prescriptive Data)Gridium Ongoing Pilot Pipeline Nantum uses AI-driven building optimization technology to make occupancy and weather-based adjustments to the buildings operating sequences.A 1 year pilot for two buildings at Waterfront Plaza saved$71,000 compared to a

23、 baseline year of 2019(260%ROI across both buildings).Expanding to Americas Square in Washington,D.C.,projecting to net$47k in annual savings.Gridium couples an energy management software platform with an energy audit to evaluate special incentive programs for efficiency projects.Reduce energy use a

24、nd unlock project financing opportunities via transition current Aquicore to Gridium for energy analytics and tenant billback.Five asset pilot for Energy Analytics(+TBB in future).Scaling for Portfolio Performance Sydney Applegate Building Technologies Office,DOE 37U.S.DEPARTMENT OF ENERGY OFFICE OF

25、 ENERGY EFFICIENCY&RENEWABLE ENERGY The Building Efficiency Targeting Tool for Energy Retrofits(BETTER)is a software toolkit that enables building operators to quickly and easily identify the most cost-saving energy efficiency measures in buildings and portfolios using readily available building and

26、 energy data.With utility billing data and basic building information BETTER conducts an inverse modeling analysis effort to identify energy savings opportunities.Uncovers simple no-/low-cost measures to immediately cut energy costs 5-10%portfolio-wide.Identifies buildings ready to achieve net zero

27、energy.37 Building Efficiency Targeting Tool for Energy Retrofits(BETTER)38U.S.DEPARTMENT OF ENERGY OFFICE OF ENERGY EFFICIENCY&RENEWABLE ENERGY Since release in June 2021,10,200 buildings and 1.6B ft2 across 17 sectors entered“BETTER offers a possibility of delivering efficiency retrofits in unders

28、erved markets faster and cheaper by orders of magnitude.”Tom Strumolo,Founder,Energy General LLC BETTER has helped our school division identify substantial energy cost savings,which can be redirected into the classroom.With its simple data inputs and powerful analytics,we believe BETTER is poised to

29、 help hundreds of school districts across the country to improve their energy,financial,and environmental performance.Bryan Conrad,Energy Education Coordinator for Prince William County Public Schools BETTER 39U.S.DEPARTMENT OF ENERGY OFFICE OF ENERGY EFFICIENCY&RENEWABLE ENERGY How BETTER Works 39S

30、imple Inputs Fast Analysis Actionable Portfolio and Building Insights 40 U.S.DEPARTMENT OF ENERGY OFFICE OF ENERGY EFFICIENCY&RENEWABLE ENERGY 4040 1.Simple Data Inputs How to Use BETTER-Inputs 41U.S.DEPARTMENT OF ENERGY OFFICE OF ENERGY EFFICIENCY&RENEWABLE ENERGY 4141 2.Fast Analysis1.Simple Data

31、Inputs How to Use BETTER Fast Analysis 42 U.S.DEPARTMENT OF ENERGY OFFICE OF ENERGY EFFICIENCY&RENEWABLE ENERGY 4242 Building Portfolio Savings Comparison 3.Actionable Outputs2.Fast Analysis1.Simple Data Inputs How to Use BETTER Actionable Outputs 43U.S.DEPARTMENT OF ENERGY OFFICE OF ENERGY EFFICIEN

32、CY&RENEWABLE ENERGY BETTER 44 U.S.DEPARTMENT OF ENERGY OFFICE OF ENERGY EFFICIENCY&RENEWABLE ENERGY DEMONSTRATION Q&A Your Feedback is Important to Us Use the 2024 Summit mobile app to:Find sessions by track Build your personal schedule Network with attendees Learn about speakers Provide feedback on the Summit Download Whova from the App Store or Google Play and search for the event Better Buildings Summit