Assam 's ministry of science and technology has invested INR27m ($ 374,142 ) in the development of an integrated machine capable of storing solar electricity in water for 24 hours . The prototype, developed by ministry of science and technology ( NBIRT ) Batteries storing solar power have an average life expectancy of five-six years, while through this machine, solar power could be stored in water for over 40 years,” he said. renewable energy school, has been created for a mass solar-hydroelectric project in the state of Assam . The cost of storing solar power in water is around about 1/5th of storage in batteries, said ministry of science and technology chief Gon Chaudhuri .
Assam 's ministry of science and technology has invested INR27m ($ 374,142 ) in the development of an integrated machine capable of storing solar electricity in water for 24 hours . The prototype, developed by ministry of science and technology ( NBIRT ) renewable energy school, has been created for a mass solar-hydroelectric project in the state of Assam . The cost of storing solar power in water is around about 1/5th of storage in batteries, said ministry of science and technology chief Gon Chaudhuri .