Zenergy Power Plc (LON:ZEN) could be onto something big in the energy sector, says Tom Bulford. The small cap firm produces High Temperature Semiconductors (HTS) that are more energy efficient than copper. As it moves closer to cracking large markets in the US, Tom says the stock has serious long-term potential. This from Penny Sleuth: Karen Chandler opened her bag and took out a chunky strip of copper and placed it on the table. Next to it she put a slim ribbon of something else I didn’t recognise at all. The second had been made by depositing layers of substances that I had never heard of – such as Lanthanum Zirconate and Yttrium – onto a base of textured nickel tape.

The finished item is a High Temperature Semiconductor (HTS) and is apparently a ceramic rather than a metal. The important thing about it is that it

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