Why the Biggest ROV in the World Just Went All-Electric

Something happened in New Orleans this week that made our engineering team smile.

Oceaneering—one of the biggest names in subsea robotics—just unveiled the Momentum™ Electric Work Class ROV at the Subsea Tieback Forum .

The headline? It's fully electric.

Not hybrid. Not "electric-ready." All-electric propulsion, designed for 30-day continuous subsea operations .

Why does this matter to you?

Because if the giants are going electric, the direction of the entire industry is pretty clear.

Here's what Oceaneering says about their new ROV:

  • Reduced maintenance

  • Improved efficiency

  • Simplified system architecture

  • Higher operational availability 

Sound familiar? That's exactly what we've been hearing from our customers building smaller ROVs, electric kayaks, and autonomous surface vessels.

The takeaway:

Whether you're building a $10 million work-class ROV or a weekend DIY underwater drone, the propulsion principles are the same. Electric thrusters are quieter, cleaner, and more reliable than hydraulic alternatives. And with integrated ESCs and customizable mounting, they're easier to build into your platform.

At HobbyWater, we've been all-electric from day one. Not because it was trendy—because it just works better.

See for yourself:

Our TD Series thrusters (15kg to 30kg thrust) share the same core philosophy as the big guys: built-in ESC, pressure-rated housings, and integration-friendly design. Perfect for ROVs, kayaks, and everything in between.

The future of marine propulsion is electric. Always has been. 🚀

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