Nova Scotia’s Power headquaters was previously located in the Barrington Tower in Scotia Square but has since moved to a former power plant on Lower Water Street. The power plant has since been transformed from a generating facility to a modern office building. The building, known as 1H, is the winner of the Lieutenant Governor’s Award for Excellence in Engineering and first building in Atlantic Canada to achieve the Leadership in Energy and Environmental Design (LEED) Platinum certification from the Canada Green Building Council (CaGBC). The building includes a number of environmentally friendly features such as the ability to collect rain water for use, a white roof to will keep the building cool, atriums that provide natural light, a system that uses harbour water for heating and cooling, washrooms that make efficient use of water and an energy efficient facade.