Colby-Sawyer College

Institutional Information
Commitments:
  • Climate Commitment
  • Race to Zero
Specific Goals:
  • Carbon neutral by 2050
  • 100% reduction of Purchased Electricity Carbon by 2015 relative to 2008
  • 50% reduction of Total Carbon by 2015 relative to 2008
  • 1% reduction of Stationary Fuels Carbon by 2020 relative to 2008 
  • 70% reduction of Total Carbon by 2020 relative to 2008
  • 100% reduction of Total Carbon by 2050 relative to 2008 
Change in Emissions from 2008 to 2023:
  • Scopes 1 and 2: -47%
  • Scope 3: -23%
  • Gross emissions: -40%
  • Net emissions: -58%
Select Years to Display
Graph Type
Totals
2008 2009 2010 2011 2012 2013 2015 2016 2017 2018 2019 2020 2021 2022 2023
Gross MTCDE 5,407.18 7,373.10 7,378.10 7,300.60 6,878.80 7,202.20 6,959.80 4,104.00 2,908.25 3,713.67 4,530.08 3,785.63 3,641.85 4,483.33 3,217.96
Offsets (MTCDE) 0.00 0.00 0.00 0.00 0.00 0.00 -1,272.58 -836.00 0.00 -938.00 -1,300.00 0.00 -1,500.00 -2,466.81 -927.00
Compost (MTCDE) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 -8.23 -4.70 -1.06 -1.50 0.00
Non-Additional Sequestration (MTCDE) -40.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 -77.00 -77.00 -77.00 -77.00 -77.00 -77.00 0.00
Biogenic (MT CO2) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Net MTCDE 5,407.18 7,373.10 7,378.10 7,300.60 6,878.80 7,202.20 5,687.22 3,268.00 2,908.25 2,775.67 3,221.85 3,780.93 2,140.79 2,015.02 2,290.96
2008 2009 2010 2011 2012 2013 2015 2016 2017 2018 2019 2020 2021 2022 2023
Scope 1 (MTCDE) 2,689.94 2,767.50 2,585.30 2,903.00 2,531.70 2,694.60 3,076.50 2,516.00 2,368.47 2,432.11 2,870.21 2,448.70 2,373.87 2,429.91 1,226.58
Scope 2 (MTCDE) 1,318.28 3,298.10 3,304.00 3,321.10 3,302.20 3,477.20 2,008.90 0.00 89.00 0.00 55.12 33.93 0.00 706.20 911.67
Scope 3 (MTCDE) 1,398.96 1,307.50 1,488.80 1,076.50 1,044.90 1,030.40 1,874.40 1,588.00 450.78 1,281.56 1,604.75 1,303.00 1,267.98 1,347.22 1,079.71
2008 2009 2010 2011 2012 2013 2015 2016 2017 2018 2019 2020 2021 2022 2023
Other On-Campus Stationary (MTCDE) 2,514.57 2,598.70 2,432.60 2,774.20 2,382.80 2,540.40 2,817.30 2,356.00 2,265.97 2,323.27 2,756.66 2,358.95 2,298.75 2,331.20 1,088.21
Direct Transportation (MTCDE) 166.66 156.50 135.30 114.90 131.90 139.30 245.10 146.00 98.62 108.06 110.21 87.45 72.75 95.72 134.60
Refrigerants & Chemicals (MTCDE) 12.30 17.40 13.90 17.00 14.90 14.10 14.00
Fertilizer & Animals (MTCDE) 8.71 3.88 0.78 3.34 2.30 2.37 2.99 3.77
Purchased Electricity (MTCDE) 1,318.28 3,298.10 3,304.00 3,321.10 3,302.20 3,477.20 2,008.90 89.00 55.12 33.93 706.20 911.67
Faculty Commuting (MTCDE) 84.95 136.65 129.20 131.68 330.27 95.64
Staff Commuting (MTCDE) 301.44 681.64 722.54 662.56 755.42 375.77
Student Commuting (MTCDE) 762.30 748.10 922.50 829.10 789.10 829.90 687.00
Directly Financed Air Travel (MTCDE) 164.07 267.60 463.10 92.20 154.00 64.60 182.70 150.00 52.80 54.61 46.48 27.83 0.79 7.67
Other Directly Financed Travel (MTCDE) 4.11 6.23 3.46 7.27 5.42 5.36 0.36 0.68
Study Abroad Air Travel (MTCDE) 118.38 12.01 81.13 75.27 11.09 3.31 16.87
Student Travel to / from Home (MTCDE) 241.02 69.23 61.62 68.45 167.38
Solid Waste (MTCDE) 888.83 277.60 277.60 61.80 61.80 176.70 861.80 577.00 295.86 411.07 443.79 254.61 321.11 155.04 297.28
Wastewater (MTCDE) 55.14 36.19 49.77 88.61 42.32 35.70 42.32 58.27
Paper Purchasing (MTCDE) 38.05 7.11 6.31 6.79 4.85 3.23 7.51 7.51
FERA (MTCDE) 3.38 4.16
T&D Losses (MTCDE) 130.38 174.00 40.58 47.80 49.02 43.52 39.10 49.61 48.48
2008 2016 2017 2018 2019 2020 2021 2022 2023
Total Purchased Electricity Consumption(kWh) 3,484,209 3,241,600 3,375,228 3,771,626 3,930,734 3,355,860 3,015,193 3,554,192 3,571,567
Solar Sold(kWh) 158,622
Solar Verification Other
Utility green pricing Purchased(kWh) 3,339,444
Voluntary unbundled RECs Purchased(kWh) 3,157,580 3,972,305 3,930,734 3,355,860 3,244,808
Voluntary unbundled RECs Verification Not verified Green-e Green-e Green-e Green-e
Wind Retained(kWh) 750 750 750
Power purchase agreement Purchased(kWh) 875,000
Power purchase agreement Verification Green-e