Fourth Power

The page lists news articles about a battery designed to operate at extremely high temperatures, heat-based energy storage, and battery technology beyond lithium-ion.

The company develops technology to help strengthen the grid, support growing energy demand, and advance long-duration energy storage. The page lists a full-time Stocking Associate position in Portland, US.

Fourth Power emerged from a decade of federally funded research at MIT and Georgia Tech. The company launched in 2023 and has raised $45 million; a team of engineers, operators, and energy veterans is deploying its technology.

Fourth Power's utility-scale thermal battery technology makes renewable energy available on demand and provides flexible-duration energy storage.

The privacy policy describes how Fourth Power, Inc. and its affiliates and subsidiaries process information in connection with their business. It covers personal information provided through websites that link to the policy.

Fourth Power announced commissioning of its first full-scale demonstration of multi-day thermal energy storage technology.

Sep 2026 · EIN PresswireNews article

Research explores turning extreme heat into large-scale energy storage, the science behind Fourth Power’s thermal battery technology.

Mar 2026 · MIT NewsNews article

Fourth Power raises $20 million in a Series A Plus round. The company is advancing its thermal battery storage technology.

Sep 2025 · Inc.News article

Renewable Energy Magazine reports Fourth Power secured 19 million dollars for low-cost utility-scale thermal energy storage.

Dec 2023 · Renewable Energy MagazineNews article