Ourea Energy provides utility-scale long-duration energy storage through its GravityBank platform, which uses modular pumped-hydro-style towers to store 1 GWh of energy with daily cycling and no degradation for over 60 years. The system also offers data-center cooling and water resiliency, delivering grid firming to communities facing rising blackout risk.
Funding
Funding not disclosed
Founders
Product
Problem
The U.S. Department of Energy predicts a 100-fold increase in blackouts by 2030, driven by grid strain from electrification, extreme weather, and intermittent renewable generation. Traditional long-duration storage solutions like pumped hydro are geographically constrained, costly, and slow to permit.
Solution
Ourea Energy's GravityBank is a modular, packaged pumped-hydro system that stores energy by lifting a massive water-filled mass within a tower. At utility scale, the GB600 tower stores 1 GWh of energy and cycles daily with no degradation over 60+ years. The system also manages heat by enabling significant reductions in data-center cooling load—up to 1 GWh of cooling savings—and holds up to 200 million gallons of water in reserve for community resilience. Unlike conventional pumped hydro, GravityBank is modular, moveable, and built with shorter permitting and construction timelines and less ecological disruption. The platform offers three configurations: the utility-scale GB600, the campus-level GB300 for data centers and manufacturing plants, and the GBI integrated directly into building structures.
Target Audience
Primary customers are utilities, grid operators, data-center developers, and large industrial facilities seeking long-duration storage, cooling efficiency, and water resilience in a single integrated infrastructure solution.
Features
- GB600: 600-meter tower providing 1 GWh of long-duration energy storage for utility-scale grid firming
- GB300: Modular system for on-site campus storage, cooling, and water at data centers or manufacturing plants
- GBI: Building-integrated design that turns structures into active energy storage infrastructure
- Daily cycling capability with no degradation over 60+ years, equivalent to long-life pumped hydro without geographic constraints
- Dual benefit of thermal management, reducing data-center cooling load by up to 1 GWh alongside energy storage
- 200 million gallons of water held in reserve for community water resiliency, combining energy, cooling, and water management into one platform