Fourth Power’s sci-fi thermal batteries could be cheaper than pricey natural gas power plants
: tirs sep 16, 2025 4:08 pm
Fourth Power has raised $20 million to build a demonstration version of its thermal batteries, which ultimately could store electricity at $25 per kWh.
Source: https://techcrunch.com/2025/09/16/fourt ... er-plants/
Source: https://techcrunch.com/2025/09/16/fourt ... er-plants/