Canadian Solar Inc (<a href="https://www.nasdaq.com/market-activity/stocks/csiq" target="_blank">NASDAQ:CSIQ</a>) is building a 5-GW solar photovoltaic (PV) wafer production plant in Chonburi, Thailand, the company announced today, 10 days after it <a href="http://renewablesnow.com/news/canadian-solar-to-build-5-gw-pv-cell-factory-in-indiana-838172/" target="_blank">unveiled an investment</a> of a similar scale in the US state of Indiana.