NTR plc is an Irish renewable energy company founded in 1978. Today, NTR is an investor in wind energy, focused on Ireland, France, Sweden and the UK. NTR previously held stakes in infrastructure interests including Celtic Anglian Water, Greenstar Recycling, and in infrastructural providers of roads through National Toll Roads. It spun these off into a separate company, Atlas Investments, and focused on wind energy in Ireland and the UK. In 2008, NTR purchased a controlling stake in Wind Capital Group of St. Louis, Missouri, U.S. The company exited the U.S. market in 2015 to "focus on Europe". NTR is an Irish public limited company. Its shares are not listed on any stock exchange but are traded on the grey market via the company's stockbrokers, Davy Stockbrokers, Goodbody, Merrion Capital Group and Investec. References External links NTR company website Wind Capital Group company website Celtic Anglian Water company website Energy companies of the Republic of Ireland Renewable energy in the Republic of Ireland Energy companies established in 1976 Renewable resource companies established in 1976 1976 establishments in Ireland Renewable energy companies of Ireland