Transport Energy Comparison
|
"260W" |
Server Sky |
Server Sky |
|
|
panel |
ground |
space |
ballast |
efficiency |
15.5% |
15% |
15% |
|
December insolation |
100 |
1200 |
1200 |
W/m2 |
Weight |
21.2 |
0.005 |
0.001 |
kg |
Area |
1.68 |
0.025 |
0.025 |
m2 |
Weight/Area |
12.6 |
0.2 |
0.04 |
Kg/m2 |
Watts/Area flat |
15.5 |
180.0 |
180.0 |
W/m2 |
Watts/Area tilt |
28.5 |
180.0 |
180.0 |
W/m2 |
Watts/kg tilt |
1.34 |
900.0 |
4500.0 |
W/kg |
Transport Energy |
7.03 |
1800.0 |
1800.0 |
MJ/kg |
Transport Payback |
60 |
22 |
4.4 |
days |
China to New Mexico transport energy cost
|
distance |
J/kg-km |
MJ |
Rail |
3000 km |
210 |
0.63 |
Ship |
10000 km |
160 |
1.60 |
Truck |
2000 km |
2400 |
4.80 |