Business Green: One of the world’s largest solar panel producers, Mitsubishi Electric Corporation, has underlined its growing confidence in the global solar market, announcing yesterday that it has completed work on a giant new solar cell factory and is to raise production of photovoltaic (PV) inverters from this May. The company said that construction has been completed on its second PV cell production plant — its Nakatsugawa Works Iida Factory — in Nagano Prefecture, Japan. It added that the …