On 10/06/2013 11:30, dennis@home wrote:

Since the typical 250w panel only weighs about 16 kg where does all the
glass go?

well, if 250W is 16Kg, 1kW is 64Kg, 1MW 64 tonnes and 1000Mw 64,000 tonnes.

He's only quoted a couple of hundred. What did I do wrong?

Andy