3 ms·
If you double efficiency you halve the size, roughly halving the installation, scaffolding, & etc. costs you mention. Also those 40-46% efficient cells are exp
by unchocked 8y ago
If you double efficiency you halve the size, roughly halving the installation, scaffolding, & etc. costs you mention.
Also those 40-46% efficient cells are expensive, requiring 3 different layers of semiconductors each tuned to a different band-gap. The panels we all buy for ~$1/watt are about 20% efficient, single-layer designs.