From Britain’s Industrial Past to a Global Future

In a quiet corner of Oxfordshire, an engineer is reawakening a centuries-old source of British power. Henry Langstaffe Reily-Collins, founder of The Fish Friendly Hydropower Company, has done it again, invented and delivered a lightweight, low-cost, floating, and fish-safe turbine that allows the United Kingdom’s stately homes, historic mills, and Victorian-era waterways to play a vital role in the renewable energy revolution.

The device, known as the PicoStream, looks deceptively simple: a barrel-sized generator floating on the surface of a river, quietly producing electricity while fish glide unharmed beneath. Yet its implications reach far beyond the peaceful Oxfordshire streams where it was born.

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