Halide Energy (former CuRen)

Halide Energy, based in Espoo, Finland, develops sustainable Copper Redox Flow Batteries for long-duration energy storage. Their scalable and modular technology supports renewable energy integration by efficiently storing excess wind and solar power. Backed by Aalto University and Business Finland, Halide Energy drives innovation in renewable energy solutions.

Company Location

Country:

Finland

City:

Espoo

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Company Overview

Halide Energy (former CuRen) is a pioneering company specializing in the development of Copper Redox Flow Batteries, a sustainable and cost-effective solution for long-duration energy storage. Headquartered in Espoo, Finland, the company is dedicated to addressing renewable energy integration challenges by providing scalable, modular, and environmentally friendly energy storage systems. Supported by Aalto University and funded by Business Finland, Halide Energy aims to accelerate the transition to renewable energy sources.

Battery Technology

Halide Energy’s Copper Redox Flow Batteries store energy in liquid electrolytes housed in external tanks, using copper as a key component. This design allows for flexible, scalable energy storage with high cycling life, sustainable manufacturing, and cost-effectiveness compared to lithium-ion batteries. The technology addresses the intermittency of wind and solar by storing excess energy for reliable supply during high-demand periods.

Products

Modular Copper Redox Flow Battery systems for utility-scale and industrial applications, featuring liquid electrolytes in external tanks, high cycling life, scalable architecture, and designed for grid stabilization and energy arbitrage.

Recent Projects

2024 Fortum Spark Innovation Challenge winner (€50,000 prize and development support). Collaborations with utility and industrial partners for real-world deployments focusing on grid stabilization, energy arbitrage, and renewable energy integration.

Investors

Halide Energy is backed by Aalto University and funded by Business Finland.

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