A pair of Canadian companies in hot sectors- ecommerce service provider Lightspeed POS Inc. LSPD-T +0.96% up and power generating firm Brookfield Renewable Corp. BEPC-T -5.6% down- have collectively launched more than $1.4 billion of stock sales targeting US institutional investors.

Montreal based LightSpeed and Brookfield Renewable parent Brookfield Asset Management Inc. BAM-A-T +0.27% up are attempting to take advantage of strong investor interest in tech and sustainable energy stocks by announcing marketed equity offerings, primarily led by global investment banks.

LightSpeed plans to sell at least seven million shares worth than $630 million, based on the company’s price on Monday. Toronto based Brookfield is selling at least 15 Million shares in it publicly traded renewable energy business, potentially raising more than $800 million for the parent company. Both companies can increase the size of the offerings if there is investors demand for the stocks. And both brought in Wall street investment dealers to pitch their shares to both domestic and international investors.