Given the government's big aims, India's solar sector is attracting corporate interest. Investments and tie-ups are being put in place. As the cost of building solar capacity falls, a significant solar scale-up is expected across the world, including India, which boasts one of the world's highest solar intensities. Already, India ranks fourth in the world after Germany in the latest Renewable Energy Country Attractiveness Indices prepared by Ernst & Young for 2010. China ranks first, followed by the United States.