US utility Duke Energy Corp (<a href="https://www.nyse.com/quote/XNYS:DUK" target="_blank">NYSE:DUK</a>) on Wednesday said it has concluded the sale of its unregulated utility-scale Commercial Renewables business to Canadian investment manager Brookfield Corp (<a href="https://www.nyse.com/quote/XNYS:BN" target="_blank">NYSE:BN</a>).