The Atlanta Commercial Buildings Efficiency Ordinance · 25/04/2018 · energy audit? •Vendor...
Transcript of The Atlanta Commercial Buildings Efficiency Ordinance · 25/04/2018 · energy audit? •Vendor...
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The Atlanta Commercial Buildings Efficiency Ordinance:
Establishing Atlanta as a National Leader in Energy Performance
Presented by Megan O’NeilCity of Atlanta Mayor’s Office of Resilience
April 25, 2018
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Overview City Energy Project
CEP is a national initiative aimed at improving the energy efficiency of commercial buildings. • Priorities
– Innovative economic solutions
– cut energy bills – boost the local economy – reduce pollution Move Atlanta toward becoming a top-tier city for sustainability.
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ATLANTA’S ENERGY AND EMISSIONS FOOTPRINT
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TransportationandOthers
34%
Buildings66%
CityofAtlantaEnergyConsumption Transportation
andOthers42%
Buildings58%
CityofAtlantaCO2eEmissions
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georgiatransitconnector.org www..p2catl.com
Overview Energy/Water Efficiency Leading by Example
RMClaytonWTC HistoricFourthWardPark AtlantaCivicCenter
UrbanLandInstituteAward2013–Historic4thWardPark
U.S.DepartmentofEnergy1stBetterBuildingsChallengeShowcase
AmericanSocietyofCivilEngineersCogenerationProjectoftheYear
4thNationally-ENERGYSTARCertifiedBuildings
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U.S.BenchmarkingPolicyLandscape
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Context - Commercial Building Figures
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82%
18%
CoveredBuildings
Exempt ActionRequired
20%
80%
CoveredSquareFootage
Exempt ActionRequired
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ORDINANCE COSTS AND BENEFITS
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CumulativeSocialBenefits(Millions) CumulativeSocialCosts(Millions) Benefit/CostAnalysis
YearLowerEnergyExpenditures
ValueofAvoidedEmissions
NetReducedUtilityExpenditures
TotalSocialBenefits Investments TotalSocialCosts
SocialB/CRatio
NetSocialBenefits
2020 291 97 199 587 430 430 1.4 157
2030 1,930 331 1,080 3340 843 843 4 2500
$0
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$100
$150
$200
$250
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2016
2017
2018
2019
2020
2021
2022
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2024
2025
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2028
2029
2030
Millions
Millions
EnergySavings
$
kWh
$-
$5
$10
$15
$20
$25
$30
Millions
PublicHealthBenefits
CombinedValueofEmissionsSavings
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Part I: Benchmarking
Whatisbenchmarking?Trackingenergyandwaterconsumptiononsiteforpropertiesover25,000ft2
Howdoyoubenchmark?
UtilizeENERGYSTAR®PortfolioManager(ESPM)*Freeweb-basedplatform
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Part II: Transparency
Whatistransparency?Reportingenergyandwaterconsumptioncharacteristicsofaproperty.
Howdoesitwork?
Propertieswillsendabenchmarkingsubmissionusingatwo-stepprocessinESPM.TheCityofAtlantawillcheckthedataandmakeitpubliclyavailable.
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Whatisanenergyaudit?Aprofessionalwalk-throughofafacilitytocheckforopportunitiestoimproveenergyperformance,focusingonequipmentretrofits.
Howdoesitwork?
Propertyownersuseacertifiedprofessionaltoperformtheworkandproduceanitemizedlistofopportunities.Ownersthenchoosewhichopportunitiestopursue.
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Part III: Energy Audits
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ORDINANCE TIMELINE AND REQUIREMENTS
WhatNeedstobeDone?
When?
• 2015:• CityofAtlantamunicipalbuildings>10,000ft2benchmarkingonly• Commercial(nonmultifamily)buildings>50,000ft2benchmarkingonly
• 2016:• Continuedannualbenchmarkingofbuildingsabove• 1styearofauditrequirement
• 2017:• Commercial(nonmultifamily)buildings>25,000ft2benchmarking+audit
• 2019• Multifamilybuildings>25,000ft2benchmarking+audit
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Benchmarking Transparency EnergyAssessment RetrocommissioningWho/What Bldgowner
inputsconsumption
Bldgownersubmits12monthsofdatatomunicipality
IftheABID*endsinthesamedigitastheyear,contractprofessionalservices
Contractprofessionalservicesifdesired
Frequency Annually Annually 1/10-years Optional
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VOLUNTARY SUPPORT PROGRAM
www.atlantabbc.com12
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Questions?
General:Gotowww.atlantabuildingefficiency.comorwww.atl311.comQuestions?ContacttheMayor’[email protected]*Averageresponsetime:within24hours(businessdays)
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Commercial Buildings Energy Efficiency Ordinance (CBEEO)
Basics of Benchmarking and Energy Audits for the City of Atlanta
Meghan McNulty, PEProject Engineer at Servidyne
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History of Energy MandatesKing Edward I, Circa 1300Ban on Coal Burning in LondonPenalty: Torture or Death
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Benchmarking
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What is ENERGY STAR® Portfolio Manager ®?
www.energystar.gov/benchmark
Assess energy, water and waste/materials consumption
1-100 ENERGY STAR score (available for many building types)
Track changes over time
Apply for ENERGY STAR certification
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EPA’s 1 – 100 ENERGY STAR scores are based on market data
Nationally representative survey -CBECS gathers data on building characteristics and energy use from
thousands of buildings across the U.S.
EPA creates a statistical model that correlates the
energy data of the property use details to identify the key drivers of energy use,
accounting for weather variations
Compares the actual energy data for a
building to the modeled estimate to determine
where the building ranks relative to its peers on a
1-100 scale
EPA analyzes & filters the data - ensuring data robustness and quality
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Medical Offices* Office Buildings
Hospitals
Distribution Centers
Barracks* Supermarkets
Courthouses
K-12 SchoolsBank Branch
Hotels
Wastewater Treatment Plants*
Retail Stores
Property Types with 1 to 100 ENERGY STAR Scores
Worship Facilities
Data Centers Senior Care Communities
*These building types are not eligible for ENERGY STAR certification.
Scor
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BECS
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ore
base
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ot
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urve
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ata
Multifamily Housing
Financial Offices Wholesale club/ Supercenters
Residence Hall/Dormitory*
Warehouses
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Value of benchmarking
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Information Needed to benchmark
• Building type• Name, street address, ZIP/postal code
Property information
• Gross floor area• Use details (e.g., workers, operating
hours)
Property type data
• All purchased and on-site generated energy and water
Utility bills
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Four Ways to Get Data in to Portfolio Manager
• Type in each number for each monthly entry
Manual Data Entry
• Use a spreadsheet to update one meter a time
Single Meter Spreadsheet
• Use a spreadsheet to update multiple meters from multiple properties
Multi-meter Spreadsheets
• Companies electronically enter utility data into Portfolio Manager through a process of data exchange called “web services”
Web Services
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How to submit your
benchmarking data to the city
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DIY Quality Assurance
• Angry exclamation points
• Data Checker Tool
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Top Benchmarking Errors
Wrong gross floor area
Wrong operating hours
Missing utility meters
Too many space types
Utility data entry errors
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Energy Audits
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Value of an Energy Audit
• Understand how energy is used in the building
• Identify opportunities for low cost / no cost and capital improvements
• Provide financial analysis of opportunities
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What is an energy audit?
• Vendor proposal• Preventive maintenance / calibration• Cloud-based analytics tool• Only completed in order to meet the
city mandate
An energy audit is not…
• Objective study• Comprehensive – all energy sources
and uses• Feasible, concrete actions to save
energy• Financial analysis for strategic planning
An energy audit is…
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ASHRAE Energy Audit
Levels
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Level 2 Energy Audit Components• Building systems description• Utility analysis• Recommended measures
• Low-cost/no-cost• Capital projects
• Financial analysis• Energy and cost savings• Implementation cost• Simple payback/ROI
• Additional issues• IAQ• Maintenance considerations• Future measures
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“Energy auditor” means
RA, PE, CEM• 2 Years Auditing Experience
AEE, AABC, ASHRAE• 2 Years Auditing Experience
No Certifications• 5 Years Auditing Experience
RA, PE, CEM, AEE, AABC, ASHRAE• 2 Years Experience in the Building
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www.energystar.gov/buildings/lp_finder
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AuditorSelection Process
• Meets City qualification criteria• Has previous experience with facility type• Provides a sample report• Describes audit process with sufficient time on site• Proposes reasonable fees• Collaborative• Bonus: Understands GA Power electric rates
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GA Power Electric Rates: Average vs. Incremental
Office Building: 300,000 SFAnnual Energy Use 4,200,000 kWhAnnual Energy Cost $525,000Average Electric Rate $.125/kWhIncremental Electric Rate - RTP $.035/kWh
Lighting Retrofit – Average RateAnnual Energy Savings 400,000 kWhImplementation Cost $100,000Annual Cost Savings @ $.125/kWh $50,000Payback 2.0 Years
Lighting Retrofit – Incremental RateAnnual Energy Savings 400,000 kWhImplementation Cost $100,000Annual Cost Savings @ $.035/kWh $14,000Payback 7.1 Years
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Bad audits
Missed opportunities
• Not feasible• Overstated savings• Understated costs
Wrong “opportunities”
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Great audits!
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Questions?Meghan [email protected]
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Addendum: 2018 ENERGY STAR Changes
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ENERGY STAR certification for existing buildings
• Recognition for superior energy performance – score of 75 or above, as calculated in Portfolio Manager and verified by a Professional Engineer or Registered Architect
• Based on a 12-month period of energy performance
• Buildings can re-apply for certification every 12 months
501 75
National Average
Superior Energy Performance!
1 to 100 ENERGY STAR scores
100
Eligible to earn the ENERGY STAR
Find certified buildings and plants: energystar.gov/buildinglist
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Overall trend in U.S. building energy use (CBECS)
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Because average energy and grid performance is improving, the ENERGY STAR scores and performance metrics of individual buildings will, on average, go down.
What does this mean for individual buildings?
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Any other changes in August?
• New option: Estimated data center energy use ▪ Designed for smaller data centers, within another property type, and where it is not practical
to measure IT Energy▪ If IT energy is not metered, users will have the chance to apply estimates generated by
Portfolio Manager ▪ Estimate capped at 10% of the building area
Data center energy estimates
New use details in Portfolio Manager• Warehouse
▪ Percentage of gross floor area used for cold storage (New in August)▪ Percent that can be cooled and percent that can be heated (New in August for
refrigerated warehouses)• Worship Facilities
▪ Gross floor area used for food preparation (New in August)▪ Percent that can be cooled and percent that can be heated (New in August)
• K-12 Schools▪ Number of workers on main shift
o Exists now, but will be required in August • Supermarket
▪ Number of open or closed refrigeration/freezer unitso Exists now, but will be required in August
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Preparing for the metric updates
• If needed, document pre-update metrics with Portfolio Manager reports
• “Performance Highlight” Report• Portfolio-level, multi-year
• Statement of Energy Performance
• Building-level, represents 12-month performance period
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• Apply for ENERGY STAR certification (policy for 2018 only):
• If you earned 2017 ENERGY STAR certification for your building, you may apply for 2018 certification using a period ending date of April 30, 2018, or earlier. Applications submitted:
• Before July 26, 2018 and which require no significant follow-up or changes, will be guaranteed to be approved and awarded certification using the existing score models.
• July 26, 2018 – August 26, 2018 may be evaluated using the updated score models, especially if significant follow-up or changes to the application are required.
• After August 26, 2018 will be evaluated using the updated score models.
Preparing for the updates