UL Renewables (also known as UL Services Group, formerly known as AWS Truepower) is a renewable energy engineering services and advisory firm. Its capabilities include renewable energy project development support, renewables asset advisory, solar energy testing, inspection, and certification services, solar and wind project due diligence services, renewable energy forecasting for energy integration, and other services. The company also provides Windographer, a wind data analytics and visualization solution; Openwind, wind farm modeling and layout design software; and other tools.