This year, massive solar farms, offshore wind turbines, and grid-scale energy storage systems will join the power grid. Dozens of large-scale solar, wind, and storage projects will come online worldwide in 2025, representing several gigawatts of new capacity.. We expect 63 gigawatts (GW) of new utility-scale electric-generating capacity to be added to the U.S. power grid in 2025 in our latest Preliminary Monthly Electric Generator Inventory report. The Oasis de Atacama in Chile will be. . During the first 10 months of 2025, solar and battery storage have dominated growth among competing energy sources. Further, all net new generating capacity in 2026 is forecast to be provided by renewable energy and batteries, according to data recently released by the US Energy Information.