Utility-scale battery costs have fallen to $65/MWh outside China and the United States, making solar power more reliable. Ember reports a significant drop in battery costs in 2024 and further declines in 2025, making storage more accessible for dispatchable solar projects. The cost of a full utility-scale battery system is $125/kWh for long-duration projects of four hours or more. The levelized cost of storage (LCOS) is calculated at $65/MWh, factoring in various costs and improvements in efficiency and financing. Solar power is now considered anytime dispatchable electricity, changing the game for countries with high solar resources and growing energy demand.