Beauty retailer Sephora announced Tuesday that it would open 100 new stores in North America that will be entirely powered by renewable energy. The expansion is the largest in a single year in the region. The locations will also use "cost-effective materials" in order to invest in customer experience and employee development. Sephora had more than 2,500 stores around the world at the end of 2018, and has more than 490 stores in the Americas. Sephora also has more than 660 locations inside of J.C. Penney Co. Inc. /zigman2/quotes/204684963/lastsale JCP +0.41% department stores. Recently, Sephora opened two locations in New York City, one in Times Square and the other in Hudson Yards, and reopened a store in The Grove in Los Angeles. The new stores will span 75 cities in neighborhoods and malls, with a 4,000-square-foot store format that's intended to integrate into local city centers. The SPDR S&P Retail ETF /zigman2/quotes/206947004/lastsale XRT +2.62% has slipped nearly 1% over the past year while the S&P 500 index /zigman2/quotes/210599714/realtime SPX -0.16% has gained 21.3% for the period.