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Green Heat - renewable energies for appropriate applications

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Green Heat - renewable energies for appropriate applications

  1. 1. GreenHeat ‘heating and cooling with renewable energies’ 2013 Bill Eggertson, canadian association for renewable energies (we c.a.r.e.)
  2. 2. 3 applications for energy: • electric power • transport fuel • heat • space heating • water heating • space cooling
  3. 3. GreenHeat technologies: 1. biomass heat 2. solar thermal water 3. solar thermal air 4. earth energy (geothermal heat pump) 5. other
  4. 4. Secondary energy use 2010 vs 1990 Energy Use Data Handbook Office of Energy Efficiency, NRCan http://oee.nrcan.gc.ca/corporate/statistics/neud/dpa/comprehensive_tables/index.cfm?attr=0
  5. 5. Residential (PJ) 2010 1990 % change TOTAL 1,361 1,282 + 6 appliances 190 184 + 3 lighting 55 52 + 6 space cooling 27 10 + 156 water heating 238 220 + 8 space heating 852 817 + 4
  6. 6. Residential (potential % of PJ) 852 (space heating) 238 (water heating) = 1,117 PJ (of 1,361 PJ) 27 (space cooling) 82 %
  7. 7. Residential (changes) 2010 % change from 1990 floorspace 1,816 million m2 + 50 households 13.4 million + 35 energy intensity 0.75 GJ / m2 - 29 intensity / house 101.7 GJ - 22
  8. 8. Commercial / Instit’n (PJ) 2010 1990 % change TOTAL 1,057 867 + 22 motor / light / equip 432 297 + 45 space cooling 56 30 + 84 water heating 92 68 + 37 space heating 478 472 + 1
  9. 9. C/I (potential % of PJ) 478 (space heating) 92 (water heating) = 626 PJ (of 1,057 total) 56 (space cooling) 59 %
  10. 10. C/I (changes) 2010 % change floorspace 717 million m2 + 41 energy intensity 1.46 GJ / m2 - 13 heating degree day index - 7% cooling degree day index + 51%
  11. 11. Residential (Mt - incl electricity) 2010 1990 % change TOTAL 68 69 - 0.5 appliances 10 10 - 3 lighting 3 3 - 0.6 space cooling 1.4 0.6 + 140 water heating 12 12 + 3 space heating 42 43 - 3
  12. 12. Residential (Mt) 42 space heating 12 water heating = 55.7 Mt (of 68.4 total) 1.4 space cooling 81 %
  13. 13. C/I (Mt – incl electricity) 2010 1990 % change TOTAL 55 48 + 15 motor / light / equip 23 17 + 36 space cooling 3 2 + 72 water heating 5 4 + 32 space heating 24 26 - 5
  14. 14. C/I (Mt) 24 space heating 5 water heating = 32.1 Mt (of 54.6 total) 3 space cooling 59 %
  15. 15. GreenHeat vs Coal GreenHeat residential GHG 55.7 GreenHeat C/I GHG 32.1 88 Mt coal generation GHG 77 Mt (all power GHG) 110 Mt (all transportation) 179 Mt
  16. 16. ANCILLARY BENEFITS • local content • green employment • displace fossils for other applications • DR reduces grid congestion • higher consumer comfort • lower threats to occupant • appropriate use of low-grade thermal
  17. 17. SOLUTIONS • greater awareness of therms • baseline data • more DG vs anti-LFE • district heat / cool / DHW • government procurement • emissions credit • GreenTherms Standard
  18. 18. GreenHeat ‘renewable energy is more than turbines & ethanol’ Further information: renewables.ca GreenHeat.org GreenApps.com EarthEnergy.ca

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