Sandwich-based Hydro Flow Energy secures £70k for tidal technology

Tidal generation technology developer Hydro Flow Energy Ltd has raised £70k in its latest funding round. This investment values the company at an estimated £3.6m. Founded in 2024, the business focuses on its patent-pending TideMaster system, which is designed to produce electricity from ocean tides for local grid operators and off-grid locations.

The company also targets the green hydrogen market, using its tidal technology to support cost-effective production. Hydro Flow Energy markets its solutions to commercial sustainability projects and utility-scale providers within the global tidal energy sector. According to recent filings (May 2026), this round follows the company's initial growth phase since its incorporation.

Based in Kent, the firm currently employs seven people. Its latest accounts for the year ended 30 April 2025 reflect the early-stage nature of the business. The TideMaster technology aims to provide consistent and predictable power, positioning the company within the renewable energy and semiconductor manufacturing industries. The business operates from its headquarters in Sandwich and maintains a focus on commercial tidal energy applications.