Sizable Energy, an emerging force in renewable energy innovation, has successfully raised $8 million in Seed funding, marking a major step forward in its mission to transform how we harness energy from the ocean. The round was led by Playground Global, with participation from Exa Ventures, Verve Ventures, Satgana, EDEN/IAG, and Unruly Capital - a strong mix of investors deeply committed to sustainable technologies and climate resilience.

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Turning the Ocean Into a Powerhouse

At the helm of Sizable Energy is Manuele Aufiero, a visionary entrepreneur and engineer whose team is developing advanced offshore energy systems designed to tap into wave and solar hybrid generation. The startup’s unique circular floating platforms - capable of harvesting energy even in open waters - represent a significant leap toward decentralized, modular, and scalable renewable solutions.

Unlike traditional offshore wind farms or fixed solar arrays, Sizable’s system is self-contained, mobile, and adaptable, allowing deployment in coastal areas, islands, and energy-poor regions. The floating platform design not only optimizes energy yield but also minimizes ecological impact - a key advantage as global regulators tighten environmental standards.

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Why Ocean Energy Is the Next Frontier

The ocean covers over 70% of the planet’s surface, yet only a fraction of its energy potential has been harnessed. According to the International Energy Agency (IEA), global marine energy capacity could exceed 300 GW by 2050, enough to power hundreds of millions of homes. The wave energy market alone is projected to reach $141 billion by 2032, growing at an annual rate of nearly 25%, as countries race to diversify their renewable portfolios.

What makes ocean energy especially compelling is its consistency. Unlike solar or wind, wave power provides a more stable output, complementing other renewables and reducing the need for expensive grid-scale storage. Sizable Energy’s hybrid approach - integrating wave dynamics with photovoltaic energy capture - positions it as one of the few startups truly leveraging multi-source ocean generation.

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Engineering at Scale: From Prototype to Power Grid

The $8 million seed round will fuel Sizable’s expansion from prototype testing to commercial deployment. The company plans to ramp up offshore trials, refine its hydrodynamic efficiency models, and begin partnerships with island utilities and coastal governments.

The long-term vision? To create autonomous energy farms that can scale like data centers - each floating unit functioning as a node in a larger, distributed oceanic grid. This approach not only decentralizes energy generation but also creates resilience against climate-driven disruptions such as typhoons and droughts that affect land-based renewables.

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A Deep Dive Into the Market Outlook

The offshore renewable energy industry is entering its most transformative phase. Global investment in marine renewables surpassed $5 billion in 2024, with Europe and Asia leading the way in pilot deployments. According to Allied Market Research, the offshore energy market is expected to exceed $87 billion by 2032, with wave and tidal segments growing fastest as governments increase subsidies for alternative clean sources.

Furthermore, floating solar capacity is gaining serious traction - expected to expand from 5 GW in 2023 to nearly 60 GW by 2030, as reported by the World Bank. These numbers highlight the strategic timing of Sizable Energy’s raise: it’s entering a market on the cusp of exponential scaling, where infrastructure meets innovation.

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The Founders’ Playbook for Scaling DeepTech

What sets Sizable apart is not just its engineering - it’s its commercial discipline. Most DeepTech founders fall into the trap of perfecting hardware in isolation, waiting for “readiness” before testing the market. But Sizable’s approach flips that script.

Instead of chasing perfection, they chase deployment. The team builds fast, iterates on real-world data, and uses modularity to accelerate adoption. Each floating unit is engineered like software - lightweight, upgradeable, and capable of being replicated at scale.

For founders navigating capital-intensive industries, there’s a powerful lesson here: speed and scalability aren’t opposites - they’re built through modular design. The deeper insight? In the next decade, DeepTech winners will not be those with the most advanced prototypes, but those who can manufacture and iterate like software startups while tackling trillion-dollar physical challenges.

That mindset - marrying precision engineering with agile deployment - is exactly what’s positioning Sizable Energy as a future category leader in ocean-based renewables.

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Strategic Investors Powering the Wave

The investor lineup behind this round reveals a clear convergence of expertise. Playground Global, known for backing category-defining DeepTech ventures like Relativity Space and QuantumScape, brings decades of hardware-to-market experience. Exa Ventures and Verve Ventures add global reach and sustainability focus, while Satgana and EDEN/IAG contribute strong networks in climate innovation and European green infrastructure.

Unruly Capital’s participation underscores the commercial viability of ocean energy - not as an experiment, but as a bankable sector ready for rapid growth. Together, these investors provide Sizable Energy with both the capital and strategic network to transition from R&D to industrial scale.

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The Future: Ocean-Powered Communities

Sizable Energy’s long-term roadmap involves developing floating micro-grids capable of powering coastal towns, aquaculture facilities, and remote research bases. Each platform can be connected or stand-alone, adapting to energy demands in regions where land availability or transmission infrastructure is limited.

By turning open water into a viable energy frontier, Sizable Energy is challenging the boundaries of what’s possible in clean power. The implications extend beyond decarbonization - toward energy equity, climate resilience, and the decentralized infrastructure of the future.

With $8 million in new funding, the company is set to propel its technology toward commercial readiness and potentially redefine how nations think about renewable energy sovereignty - from shorelines to the deep sea.

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