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Exowatt’s Revolutionary Thermal Solar Power Promises Ultra-Low-Cost Energy

As the tech industry grapples with an emerging AI power crisis, Hannan Happi, co-founder and CEO of Exowatt, has set his sights on a bold objective: reducing electricity costs to one cent per kilowatt-hour. Drawing on decades-old concentrated solar power technology, Happi and his team have reimagined the conventional approach, refining every detail to optimize structural and maintenance costs while pushing the efficiency envelope.

A Modular Breakthrough In Thermal Energy

At the heart of Exowatt’s strategy is a deceptively simple system—a shipping container-sized unit crowned with a clear awning. Inside, a meticulously designed metal box fitted with sunlight-focusing lenses heats a specialized thermal brick. This process, augmented by a Stirling engine and an integrated generator, converts stored heat into mechanical energy, providing a reliable 24/7 power supply. The design, described by Happi as intentionally streamlined, enables rapid scaling: additional units can be deployed to meet increasing power needs.

Scaling Innovation With Strategic Investment

In pursuit of its ambitious one-cent-per-kilowatt-hour target, Exowatt recently secured an additional $50 million extension to its $70 million Series A round. The funding round, led by MVP Ventures and 8090 Industries, included participation from respected investors such as Atomic, BAM, Bay Bridge Ventures, DeepWork Capital, and others, along with previous backers like Andreessen Horowitz and Sam Altman. Happi noted that strong market momentum and heightened investor interest prompted the capital raise, positioning Exowatt for accelerated production and deployment.

Positioning Against Established Competitors

Exowatt is leveraging a mature, well-understood technology—often known as concentrated or thermal solar power—that has traditionally been outpaced by advancements in photovoltaic solar panels and lithium-ion batteries. However, by scaling a modular system known for its reliability, Exowatt aims to harness significant learning curve benefits. Happi highlights that while only a hundred or so solar thermal projects exist worldwide compared to the production of 1.5 billion solar panels annually, the streamlined scaling process offers a meaningful competitive edge.

Challenges And Market Alignment

Despite the promise, the Exowatt approach is not without its limitations. The physical footprint required for a large number of P3 units could restrict its viability in certain regions, and the solution is most effective in areas with abundant sunlight. Nonetheless, Happi is optimistic, noting a high degree of overlap between optimal deployment regions and new data center locations—a synergy that could redefine energy supply in this critical sector.

A Vision Beyond Conventional Energy

By repackaging a classic technology through modern manufacturing techniques and iterative design improvements, Exowatt is poised to disrupt the data center market and broader energy landscape. As the company scales production to reach its one-million-unit threshold per year, its innovative approach may serve as a blueprint for achieving previously unattainable levels of energy efficiency and cost reduction in the age of AI.

Women Make Up A Majority Of The EU’s Science And Technology Workforce But The Real Gap Is Elsewhere

Women now make up the majority of the EU’s science and technology workforce. According to Eurostat, in 2025, more than 81.6 million people aged 15 to 74 were employed in science and technology occupations across the EU. Of those, 52.5% were women, equal to 42.8 million women. The number of women in these occupations rose by 27.9% compared with 2015, an increase of more than 9.3 million over a decade.

On the surface, the numbers resemble progress. However, Eurostat’s category requires context before that figure can be read accurately. The data refers to HRST, or Human Resources in Science and Technology, specifically people employed in science and technology occupations. These are roles where the main tasks require professional or technical knowledge in physical and life sciences, but also in social sciences and humanities. That definition is wider and broader than engineering, ICT, laboratory science, or high-tech research alone.

Zooming In

The gender picture changes once the data moves from a wider definition of the workforce to the narrower scientist-and-engineer (research and manufacturing) subgroup.

Scientists and engineers represented almost a quarter of all people employed in science and technology in the EU in 2025. Eurostat describes scientists and engineers as often being the innovators at the centre of technology-led development, making them an important subgroup to focus on separately.

Women accounted for only 40.8% of scientists and engineers in 2025, despite making up more than half of the wider category. That share has increased by a mere 0.5 percentage points over the past decade. The absolute number of women working as scientists and engineers rose from 5.3 million in 2015 to 8.2 million in 2025, despite the push from national and international organisations to increase the number of women in the field. Europe has expanded the number of women in science and technology occupations over ten years. However, that expansion has not extended equally into the scientist-and-engineer subgroup, where much of Europe’s research and innovation work is conducted.

In 2025, of the 39.4 million women aged 25 to 64 working in science and technology occupations in the EU, 35.5 million worked in service activities. Only 2.7 million worked in manufacturing. Women accounted for 57.5% of science and technology employment in services, but only 31.3% in manufacturing.

In 2025, the highest shares of women employed in science and technology occupations were recorded in Latvia at 62.4%, followed by Hungary’s Great Plain and North region at 61.1%, Estonia at 60.5%, Poland’s Central macroregion at 60.4%, and Lithuania at 60.3%. No EU country recorded a majority of women among science and technology workers in manufacturing.

Break-down

Eurostat’s figures measure employment in broad science and technology occupations. They do not show job security, pay levels, management roles, promotion rates, research leadership, or whether women are concentrated in junior or senior workplace positions.

The classification of “senior” also requires additional explanation. Eurostat reports that 45.9% of science and technology workers aged 25 to 64 in the EU were classified as “senior” HRST in 2025. In this dataset, “senior” refers to workers aged 45 to 64. It does not mean senior manager, senior researcher, team lead, or decision-maker.

A high female share in the wider Human Resource Science and Technology (HRST) category does not parallel equal representation across scientists, engineers, manufacturing roles, senior posts, pay, research funding, or decision-making. These figures also reflect the occupational mix inside each country or region, not only structural progress across all areas of science and technology.

The Case Of Cyprus

Eurostat data places Cyprus’s overall science and technology employment at 37.2% of the labour force in 2025, slightly above the EU-27 figure of 36.9%, and above Greece at 26.8%, Malta at 33.9%, and Turkey at 18.2%. This figure covers the total share of the labour force employed in science and technology across all genders.

Progress Or Work-in-Progress?

52.5% in the broad category. 40.8% among scientists and engineers. 31.3% in manufacturing. Europe’s gender gap in science and technology hasn’t closed yet, and there is still work to be done to encourage and support more women to enter the field, especially in research and manufacturing.

Let’s not wait another decade for another couple of percentage points of hope.

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