NEW DELHI: An annual savings of around Rs 80 lakh in electricity bills is expected from the solar power project to be inaugurated tomorrow in President's estate.President Pranab Mukherjee will inaugurate the first phase of the project under which 670 KW of solar power will be generated through rooftop solar panels installed on seven buildings in the estate."The savings in electricity bills resulting from this project is expected to be approximately Rs 80 lakh per year. The generation of solar power will result in significant reduction in carbon footprint and make the estate more energy efficient," a release issued by the President's secretariat said.As part of the inaugural event, a day-long exhibition showcasing various aspects of energy conservation and green energy is being held with support of Tata Power Delhi Distribution Limited (TPDDL), Rural Electrification Corporation, Green Jobs Sector Skill Council, Bureau of Energy Efficiency, Central Electronics Limited and Energy Efficiency Services Limited.Painting and science model competitions as well as a 'Nukkad Natak' (street play) on the theme of energy efficiency/solar power will be organised on the occasion, the release said.Quizzes and games on green energy will be conducted for students. A life-skill training course for girls of classes XI and XII of Dr Rajendra Prasad Sarvodaya Vidyalaya by TPDDL will be also launched.