check 'em out:
A new flat panel hybrid from the Swiss company Meyer Berger.
One of the selling points is that they are made in Thune (Switzerland.) In one of the press releases they are promoting its use as a geothermal probe recharge method. Smart. That would mean lower temps which means more electric production but the pumping cost are non trivial: 50 to 100 liters per hour (per panel) to keep it down to 80c. Obviously lower temps would require more pumping. The fittings are 10 mm diameter.
They reference vacuum technology but I do not see where it is folded into the design looking at the PDF cited above. It is patented but the patent may not be held by them? I could not find it.
Some more digging is in order I suppose.
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