Annual air conditioning | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Building Type | Electricity cost | Total cooling energy use | % Change, existing trees | Change in energy use | Total savings (M$’s) | ||||||||
$/kWh Average | $/kWh Peak | Existing Trees | No Trees | Direct Shade | Air Temp | Wind Speed | Net change | Shade (GWh) | Temp/Wind (GWh) | Total (GWh) | |||
(GWh) | (GWh) | (M$) | |||||||||||
1-4 Family Res | 0.104 | 0.127 | 438 | 556 | 58 | 13.3% | 11.3% | -3.3% | 21.3% | 74 | 44 | 118 | 15.0 |
5+ Family Res | 0.104 | 0.127 | 88 | 99 | 10 | 3.9% | 8.8% | -2.0% | 10.7% | 4 | 7 | 11 | 1.3 |
Small-Med C/I | 0.081 | 0.081 | 297 | 314 | 25 | 3.1% | 3.0% | -0.8% | 5.4% | 10 | 7 | 17 | 1.4 |
Large C/I | 0.068 | 0.068 | 459 | 470 | 32 | 0.0% | 3.1% | -0.7% | 2.4% | 0 | 11 | 11 | 0.8 |
TOTALS, air conditioning | 1,283 | 1,439 | $125 | 6.1% | 6.6% | -1.8% | 10.9% | 88 | 69 | 157 | $18.5 |
Annual heating | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Building Type | Heating equipment saturation | Total heating energy use | % Change, existing trees | Change in energy use | Total savings (M$’s) | ||||||||
Heat Pump | Electric Resist. | Natural Gas | Existing trees | No Trees | Direct Shade | Wind Speed | Net change | Shade (TJ) | Wind Speed (TJ) | Total (TJ) | |||
(TJ) | (TJ) | (M$) | |||||||||||
1-4 Family Res | 23% | 14% | 63% | 11,367 | 11,416 | 116 | -4.1% | 4.5% | 0.4% | -464 | 513 | 49 | 0.53 |
5+ Family Res | 34% | 26% | 40% | 1,059 | 1,074 | 14 | -1.2% | 2.7% | 1.5% | -13 | 29 | 16 | 0.21 |
Small C/I [4] | 0% | 8% | 92% | 3,032 | 3,048 | 20 | -1.1% | 1.6% | 0.5% | -33 | 49 | 16 | 0.18 |
Large C/I [4] | 0% | 8% | 92% | 4,675 | 4,739 | 30 | 0.0% | 1.3% | 1.3% | 0 | 64 | 64 | 0.35 |
TOTALS, heating | 20,132 | 20,277 | $180 | -2.5% | 3.2% | 0.7% | -510 | 655 | 145 | $1.3 |
Peak air conditioninq | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Buildinq Type | $/kW Avoided | Total energy demand | % Change, existing trees | Change in demand | Total avoided costs (M$’s) | ||||||
Existing trees | No Trees | Direct Shade | Air Temp | Wind Speed | Net change | Shade (MW) | Temp/Wind (MW) | Total (MW) | |||
(MW) | (MW) | ||||||||||
1-4 Family Res | 50.00 | 510 | 585 | 5.3% | 5.1% | 2.4% | 12.9% | 31 | 44 | 75 | 3.8 |
5+ Family Res | 50.00 | 95 | 102 | 1.6% | 3.9% | 1.4% | 6.9% | 2 | 5 | 7 | 0.4 |
Small-Med C/I | 50.00 | 491 | 511 | 1.0% | 1.9% | 0.9% | 3.8% | 5 | 14 | 19 | 1.0 |
Large C/I | 50.00 | 817 | 839 | 0.0% | 1.8% | 0.8% | 2.6% | 0 | 22 | 22 | 1.1 |
TOTALS, peak cooling | 1,914 | 2,037 | 1.9% | 2.9% | 1.3% | 6.1% | 38 | 86 | 124 | $6.2 |