I updated my ideas page. I added an entry about using compressed air to automatically remove snow (or similar) from solar cells, and an entry about maybe using heat from thermal solar cells to generate electricity at home. I also updated the entry for non-optimal weather optimized solar cells with a link to a company which seems to do something similar (using a lens) to reduce the cost of solar panels. To cool down the photovoltaic cells, the company is using a heat exchanger to make a combined photovoltaic/thermal panel. Unfortunately they are making an unfair comparison of the combined output of this panel (the thermal power output is much higher than the electric power output) with a normal photovoltaic cell. A normal household needs more electricity than heat so you do not want to use a lot of such panels, but depending on the feasibility of my idea about using heat to produce electricity, such a panel could be interesting.
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