Solar power met seventy-five percent of global electricity demand growth in 2025, generating a record six hundred and thirty-six terawatt-hours. Renewables overtook coal in the global electricity mix for the first time in one hundred years, reaching thirty-three point eight percent of generation. Battery costs fell forty-five percent to a record low of seventy dollars per kilowatt-hour, making solar combined with storage cheaper than new gas or coal plants in major markets including India.