It's a ridiculous metric. They're talking about the power at which the panel peaks in full sun. If you buy a panel that peaks at 200 W for $600, that's called

It's a ridiculous metric. They're talking about the power at which the panel peaks in full sun. If you buy a panel that peaks at 200 W for $600, that's called 3 $/W. It's dumb. A better metric would be $/kWh. Some related calculations here: http://pingswept.org/2007/12/20/i-retract-all-scoffing-remarks-regarding-nanosolar/ http://pingswept.org/2007/12/20/i-retract-all-scoffing-remar...