City of Boulder Operations Sustainability Management Planning
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Transcript of City of Boulder Operations Sustainability Management Planning
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City of Boulder Operations Sustainability Management Planning
Alison Schwabe, Sustainability Program Manager, McKinstry Joe Castro, Facilities & Fleet Manager, City of Boulder
Colorado Climate Network Workshop, 30 April 2013
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Inventory Process
Step 1 – Make Inventory Decisions
Step 2 - Gather Data for Base Year
Use master data workbook (ICLEI)
Keep detailed notes and sources!
Step 3 - Calculate Emissions
CACP software (ICLEI) Consumption x GHG emissions factor x GWP = GHG emissions
Step 4 – Forecast and Report Emissions (optional)
Forecast to target year
Report by scopes to avoid double counting
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COB Inventory Decisions Made[Reference Document: Local Government
Operations Protocol v 1.1, May 2010] http://www.theclimateregistry.org/downloads/2010/05/2010-05-06-LGO-1.1.pdf
Base year: 2008
Boundary: Operational control (owns and operates-measure what you manage)
Electricity emissions factor: eGRID1.2% increase from 2005-20071,883 lbs CO2/MWh to 1,906 lbs CO2/MWh
Scope 3: employee commute, business travel, wells-to-pump, materials, solid waste
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Electricity Emissions Factor
Local (Xcel) 2007: 0.75 kg-CO2/kWh
Regional (eGRID) 2007: 0.86 kg-CO2/kWh
State average
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Stationary SourcesBuildings and FacilitiesPublic Lighting-streetlights, traffic signals
Water Treatment & Transport-pumps, irrigationRefrigerants
Solid Waste from Government Operations
Wastewater Treatment Facility
COB Sources of Emissions
Mobile EmissionsVehicle FleetMobile EquipmentRefrigerantsWells-to-Pump (Scope 3)
Employee CommuteBusiness Travel
Materials Production Asphalt & Cement Copy Paper Computers & Hardware Fertilizer Food
Inventory Boundary: All facilities, vehicles, etc. operatedNot including facilities leased to othersNot including jointly owned facilities not operated
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COB 2008 Baseline Inventoried Emissions by Sector
Buildings and Facilities
26%
Wastewater Treatment
Plant24%
Materials19%
Water Treatment &
Transport9%
Employee Commute
8%
Public Lighting
6%
Vehicle Fleet6%
Government-Generated Solid Waste
2%
Business Travel0.1%
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COB Inventoried Emissions by Sector
30.4 mt-CO2e/employee, 0.64 mt-CO2e/capita
Commerce City=38 (2008) and Westminster=25 (2006)
Sector metric tons CO2eBuildings and Facilities 15,895 Wastewater Treatment Plant 14,276 Materials 11,383 Water Treatment & Transport 5,693 Employee Commute 4,673 Public Lighting 3,964 Vehicle Fleet 3,486 Government-Generated Solid Waste 1,023 Business Travel 43 Totals 60,436
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COB 2008 Baseline Inventoried Emissions by Source
Electricity48%
Materials19%
Gasoline11%
Wastewater Treatment
9%
Natural Gas7%
Diesel3%
Solid Waste2%
Propane0.5%
Note: Refrigerants and jet fuel were less than 1%
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2008 & 2011 GHG Emissions by Sector
ReductionsBuildings – 20%Materials – 62%Wastewater – 19%Water – 32%Public Lights – 6%Fleet – 5%
Overall: 26% decrease from 2008 to 2011
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Data Collection Challenges
Overall Guidance – collect the least amount of information that will be used
Questions about why the City needs the data
Methodology – what data to collect?
Baseline data harder to collect – older
Accuracy – are the data good?
Timeliness – staff are busy Keeping data organized (very important!)