|
|
|
|
|
|
|
|
|
|
|
|
.
|
Watergy (Water/Energy) Cost Calculator for You and Your Community |
|
|
|
|
|
|
|
|
|
|
.
|
|
|
|
|
|
|
|
|
|
|
|
.
|
|
|
|
The average American household uses |
|
|
|
|
|
|
|
.
|
How many gallons |
|
|
920 kWh of electricity/month,2 while an |
|
|
|
|
|
|
.
|
of water does it |
|
|
average Arizona household uses 1095 |
|
|
|
How many gallons of water per month would |
|
|
|
.
|
take to produce |
|
|
kWh/month.2 If the electricity for one |
|
|
|
an average U.S. community 3 of x households |
|
|
|
.
|
one kWh of energy |
|
|
such household 3 came solely from each |
|
|
|
use to generate its electricity if all its
electricity |
|
|
|
.
|
from each of the |
|
|
source below, how much water would |
|
|
|
came from each source listed below? |
|
|
|
.
|
following sources?1 |
|
|
be used by each household per month? |
|
|
|
|
#H'holds in ?? |
#Tucson H'holds4 |
|
.
|
Source: |
gal/kWh |
|
Source: |
gal/mo U.S. |
gal/mo AZ |
|
Source: |
0 |
200,845 |
|
.
|
Hydroelectric (high) |
56.000 |
|
Hydroelectric (high) |
51,520 |
61,320 |
|
Hydroelectric (high) |
0 |
12,315,815,400 |
|
.
|
Hydroelectric (low) |
30.078 |
|
Hydroelectric (low) |
27,672 |
32,935 |
|
Hydroelectric (low) |
0 |
6,614,912,421 |
|
.
|
Solar Thermal (Calif) |
0.900 |
|
Solar Thermal (Calif) |
828 |
986 |
|
Solar Thermal (Calif) |
0 |
197,932,748 |
|
.
|
Nuclear |
0.785 |
|
Nuclear |
722 |
860 |
|
Nuclear |
0 |
172,641,341 |
|
.
|
Coal |
0.510 |
|
Coal |
469 |
558 |
|
Coal |
0 |
112,161,890 |
|
.
|
Natural Gas (SC)5 |
0.415 |
|
Natural Gas (SC)5 |
382 |
454 |
|
Natural Gas (SC)5 |
0 |
91,268,989 |
|
.
|
Landfill |
0.350 |
|
Landfill |
322 |
383 |
|
Landfill |
0 |
76,973,846 |
|
.
|
Biofuel |
0.350 |
|
Biofuel |
322 |
383 |
|
Biofuel |
0 |
76,973,846 |
|
.
|
Solar Thermal (Ariz) |
0.311 |
|
Solar Thermal (Ariz) |
286 |
341 |
|
Solar Thermal (Ariz) |
0 |
68,396,761 |
|
|
|
|
|
|
|
|
|
|
|
|
|
.
|
Natural Gas (CC)5 |
0.195 |
|
Natural Gas (CC)5 |
179 |
214 |
|
Natural Gas (CC)5 |
0 |
42,885,429 |
|
.
|
Geothermal |
0.005 |
|
Geothermal |
5 |
5 |
|
Geothermal |
0 |
1,099,626 |
|
.
|
Solar PV |
0.001 |
|
Solar PV |
1 |
1 |
|
Solar PV |
0 |
219,925 |
|
.
|
|
|
|
|
|
|
|
|
|
|
|
.
|
1. Water Costs of Electricity in Arizona, a
Project Fact Sheet from the Arizona Water Institute (Tucson AZ), from a 2007
investigation by Pasqualetti & Kelley. |
|
|
|
|
|
|
|
|
|
|
.
|
Fact sheet ID: AWI-07-102 Pasqualetti. // 2.
www.eia.doe.gov/cneaf/electricity/esr/table5.html // 3. Both U.S. & AZ
figures calculated using AZ watergy info, |
|
|
|
|
|
|
|
|
|
|
.
|
but keep in mind that water lost to evaporation
in colder and/or more humid climates will be lower than in Arizona. See
Pasqualetti for further discussion. |
|
|
|
|
|
|
|
|
|
|
.
|
4. 2008 estimate, www.census.gov // 5. Natural
Gas (SC) = single-cycle natural gas & Natural Gas (CC) = combined-cycle
natural gas. |
|
|
|
|
|
|
|
|
|
|
Drops in a Bucket Blog