> <a href="http://www.eere.energy.gov/solar/pv_cell_light.html">http://www.eere.energy.gov/solar/pv_cell_light.html</a> says it's about 6<br>
> kWh/m^2/month<br>
> insolation, for U.S. June.<br>
<br>
6 kWh/m^2/month? That can't be right. Suppose average insolation is
only 100 W/m^2 (probably an underestimate for June); there are 720
hours in a month, so that would make the monthly insolation 72
kWh/m^2/month.<br>
<br>
- Russell<br>