The Haryana government on Tuesday released its solar power policy, which aims to add 4,000 megawatt (Mw) of solar power by 2022. The policy unveiled on the last day of Happening Haryana Global Investors Summit aims to promote generation of green and clean power through a conducive atmosphere for the investors.To give boost to the solar energy sector, incentives such as industrial status, electricity duty exemption, banking facility, cross-subsidy charges, etc have been provided in the policy. The government has also decided to purchase solar power over and above the solar renewable purchase obligation subject to a limit of 200 Mw.Elaborating further the policy initiatives, Ankur Gupta, principal secretary, renewable energy department, Haryana, said in a statement that the policy encourages setting up of solar parks and installation of solar power plants on canals tops and banks.The policy also aims to promote small investors by reserving 20 per cent of the target for the projects of capacity of 1-2 Mw. For these projects, a price preference of two per cent will be given to those who set up their plants within Haryana.Sale of power to the Haryana government or to the third party is permitted without levying any charges under the policy. Due to land constraints, the installation of rooftop solar power project has been encouraged by allowing the sale of power to government at the last lowest discovered tariff without tendering. Rooftop solar power plants can be set up without any permission from the building plan sanctioning authority.