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New Sources Energy Eyes Stake in Italian Geothermal Drilling Firm HD – A Strategic Bet on the Energy Transition
By: Robert Buluma
In a move that underscores the growing strategic importance of geothermal energy in Europe’s renewable energy mix, New Sources Energy N.V. (AMS:NSE), a publicly listed impact investment company based in Amsterdam, has signed a term sheet to acquire a stake in Hydro Drilling S.r.l. (HD), an Italian geothermal drilling specialist. The proposed transaction, announced on June 15, 2026, marks a significant step in New Sources Energy’s strategy to invest in energy transition and critical raw material opportunities.
While the term sheet is principally non-binding and subject to various conditions, including satisfactory completion of due diligence and regulatory approvals, the potential deal highlights the accelerating convergence between renewable energy investment and the specialized drilling capabilities required to unlock geothermal resources. This article examines the transaction in detail, the companies involved, the strategic rationale, and the broader market context in which this potential investment is taking place.
The Transaction: A Term Sheet for Strategic Investment
On June 14, 2026, New Sources Energy entered into a term sheet regarding a proposed strategic investment in Hydro Drilling S.r.l. The term sheet contemplates an investment through a subscription for newly issued shares of HD. This structure suggests that New Sources Energy’s capital injection would go directly into the Italian company’s balance sheet, potentially funding expansion, technology upgrades, or project development.
However, the term sheet remains non-binding and subject to several critical conditions. These include the satisfactory completion of legal, financial, technical, and other due diligence; the negotiation and execution of definitive transaction documentation; receipt of required corporate approvals; satisfaction of applicable conditions precedent; and receipt of any required regulatory or third-party approvals. New Sources Energy has explicitly stated that there can be no assurance that the proposed transaction will be completed or that any definitive agreement will be entered into. Financial details of the proposed investment were not disclosed.
New Sources Energy: An Impact Company Focused on Energy Transition
New Sources Energy N.V. is a publicly listed company on Euronext Amsterdam, trading under the ticker symbol NSE. The company describes itself as an “impact company” with a mission to accelerate the energy transition towards net-zero through investing in key energy transition companies and projects. It focuses exclusively on the renewable energy production and technology sectors, aiming to generate competitive financial returns while making a positive environmental impact.
The company was originally founded in 1978 and was formerly known as Management Share NV before changing its name to New Sources Energy N.V. in July 2011. Headquartered in Amsterdam at Apollolaan 151, the company operates as a renewable energy investment and development platform. The company has a market capitalization of approximately $1.29 million with around 162.73 million shares outstanding. The company reported a net income of -€904,000 for the fiscal year ending December 2025, indicating it is still in a growth and investment phase.
New Sources Energy’s investment strategy spans multiple renewable energy sources, including photovoltaic, biomass, hydropower, and wind energy. However, the company has recently shown a growing interest in geothermal energy, particularly in the Italian market. The potential stake in Hydro Drilling represents a deepening of this commitment, moving beyond project-level collaboration to an equity partnership in a specialized drilling firm.
Hydro Drilling S.r.l.: A Veteran in Italian Geothermal Drilling
Hydro Drilling S.r.l. is an Italian company based in Ravenna, a city on Italy’s northeastern coast with a long history in energy and industrial services. The company has been operating in the drilling services sector since 1976, giving it nearly five decades of continuous presence and deep expertise in the Italian market. This longevity is significant in an industry where technical know-how, safety protocols, and local geological knowledge are critical competitive advantages.
The company specializes in geothermal resource development and exploration. Its core activities include geothermal drilling for power generation, as well as gas storage and geothermal city heating projects. This dual focus on both electricity generation and direct heating applications positions Hydro Drilling at the intersection of multiple segments of the geothermal market. The company is also a member of the Geothermal Network (Rete Geotermica), an Italian industry association of companies holding research permits and seeking to enhance the geothermal resource supply chain in Italy, particularly in the Tuscany Region.
Hydro Drilling’s technical capabilities and local market presence make it an attractive partner for an international investor like New Sources Energy. The company’s expertise in both exploration drilling and project development aligns with New Sources Energy’s strategy of investing in key energy transition companies that can generate competitive financial returns.
The Cisanello Geothermal Project: A Foundation for Collaboration
The proposed equity investment follows an earlier collaboration between the two companies. On March 5, 2026, New Sources Energy and Hydro Drilling signed a Memorandum of Understanding (MoU) establishing a strategic collaboration for the joint development of the Cisanello Geothermal Project in Pisa, Tuscany, Italy. This project represents the first concrete manifestation of the partnership and provides context for the subsequent term sheet.
The Cisanello Geothermal Project is located in Tuscany, which is Italy’s primary region for geothermal energy production. Tuscany hosts several operating geothermal power plants, including the Farinello, Nuova Radicondoli, Sesta, and Cornia 2 plants. The region’s geothermal resources have been exploited for decades, and the area has developed a skilled workforce and supporting infrastructure. Hydro Drilling’s expertise in geothermal drilling, combined with New Sources Energy’s financing and development platform, could accelerate the Cisanello project’s progress.
The MoU was subject to due diligence and the execution of definitive binding agreements. The subsequent term sheet for an equity investment suggests that the initial collaboration has progressed positively, with New Sources Energy seeking a more integrated and long-term commitment to Hydro Drilling and its project pipeline.
Strategic Rationale: Energy Transition and Critical Raw Materials
New Sources Energy has explicitly stated that the proposed transaction is intended to support its strategy of investing in energy transition and critical raw materials opportunities. This dual focus is particularly relevant to geothermal energy, which offers multiple strategic benefits.
First, geothermal energy provides baseload, dispatchable renewable power that can complement intermittent sources like solar and wind. Unlike solar and wind, geothermal plants can operate continuously, providing grid stability and reliability. This characteristic is increasingly valued as European power systems integrate higher shares of variable renewables. The cost competitiveness of geothermal—with many projects now reaching levels competitive with fossil-fuel generation—makes it an attractive investment proposition.
Second, geothermal energy is often associated with critical raw materials. Geothermal brines can contain lithium, boron, and other minerals essential for battery production and other clean energy technologies. The ability to extract these materials as co-products or by-products of geothermal power generation could create additional revenue streams and support the energy transition supply chain. New Sources Energy’s stated interest in “critical raw materials opportunities” suggests that the company may be evaluating the potential for mineral extraction in conjunction with geothermal development.
Third, the investment aligns with broader European policy trends. European institutions are increasingly recognizing geothermal’s role in decarbonization, and national governments are introducing support mechanisms. Italy itself is taking steps to reinvigorate its geothermal sector, including dedicated auction schemes for zero-emission geothermal plants and ambitious capacity targets for the coming decade. These policy signals create a favorable environment for geothermal investments.
The Italian Geothermal Market: Tradition and Renewal
Italy has a long and distinguished history in geothermal energy. The country was one of the pioneers of geothermal power generation, with the first geothermal power plant in the world commissioned in Larderello, Tuscany, in 1913. Today, Italy remains one of the leading geothermal electricity producers in Europe, with approximately 916 MW of installed capacity. However, the sector has faced challenges in recent decades, including regulatory uncertainty, community opposition, and competition from other renewable sources.
New incentive schemes represent a significant policy shift aimed at reviving the sector. By allocating dedicated capacity for zero-emission geothermal plants, the Italian government is signaling its commitment to geothermal as a key component of the energy transition. However, concerns remain about the limited capacity and the need for future auctions to provide long-term visibility for investors.
The geothermal sector in Italy is also seeing renewed private investment. Recent announcements from major utilities include substantial investments to double heating capacity at existing geothermal plants, demonstrating the growing recognition of geothermal’s potential beyond electricity generation. Hydro Drilling, with its focus on both geothermal power and city heating projects, is well-positioned to benefit from these trends. The company’s base in Ravenna and its presence in Tuscany place it at the center of Italy’s geothermal activity.
Geothermal Drilling Market: A Growth Trajectory
The broader geothermal drilling market is experiencing robust growth, driven by the global push for renewable energy and decarbonization. The global geothermal drilling for power generation market is forecasted to grow by several hundred million dollars during the coming years, at a compound annual growth rate in the range of 4% to 5%. The overall global market for geothermal drilling is estimated to be worth nearly a billion dollars and is expected to reach over a billion by the early 2030s.
In Europe, countries such as Iceland and Italy are leading investors in geothermal energy, contributing to market growth. Based on planned and ongoing exploration campaigns, a significant number of new wells will need to be drilled across Europe in the near term. This demand for drilling services creates opportunities for established players like Hydro Drilling.
Investment in advanced geothermal technologies is also accelerating. Financing for advanced geothermal has grown substantially year-on-year, reflecting growing confidence in geothermal’s potential and the development of new technologies that can reduce costs and expand the resource base. The surge in investment underscores the sector’s increasing appeal to both institutional and impact investors.
Transaction Structure and Risks
The proposed investment in Hydro Drilling takes the form of a subscription for newly issued shares. This structure implies that New Sources Energy’s capital would flow directly into Hydro Drilling, strengthening its balance sheet and potentially funding expansion. However, the term sheet is non-binding, and several conditions must be satisfied before the transaction can proceed.
The due diligence process will likely examine Hydro Drilling’s technical capabilities, project pipeline, financial health, and legal compliance. Given the specialized nature of geothermal drilling, technical due diligence will be particularly important. The negotiation of definitive transaction documentation will determine the final terms, including the size of the stake, the price per share, and any governance rights or board representation.
Regulatory approvals may also be required, particularly if the investment triggers merger control or foreign investment review thresholds. While Italy has generally been welcoming to foreign investment in renewable energy, the strategic nature of geothermal resources could attract scrutiny.
There is no guarantee that the transaction will be completed. If the deal does not proceed, New Sources Energy may still pursue other opportunities in the geothermal sector, including project-level investments or partnerships with other drilling firms. However, the company’s public commitment to the transaction and the earlier MoU suggest a serious intent to build a long-term relationship with Hydro Drilling.
Broader Implications for the Geothermal Sector
The potential investment by New Sources Energy in Hydro Drilling reflects several broader trends in the geothermal sector. First, it demonstrates the growing interest of financial investors in geothermal energy. Historically, geothermal has been seen as a niche, high-risk, and capital-intensive sector, but improving economics, supportive policies, and the need for dispatchable renewable power are changing perceptions. Impact investors like New Sources Energy are increasingly viewing geothermal as a viable investment opportunity that can generate both environmental and financial returns.
Second, the deal highlights the importance of specialized drilling capabilities in the geothermal value chain. Drilling accounts for a significant portion of geothermal project costs, and access to experienced drilling contractors is often a bottleneck for project development. By taking a stake in a drilling firm, an investor can secure access to drilling capacity and expertise, reducing project execution risk.
Third, the transaction illustrates the potential for cross-border investment in the European geothermal sector. New Sources Energy is a Dutch company investing in an Italian firm, demonstrating the increasing integration of European energy markets and the flow of capital towards opportunities in Southern Europe, where geothermal resources are abundant.
Conclusion
New Sources Energy’s proposed strategic investment in Hydro Drilling S.r.l. represents a significant development in the European geothermal sector. The transaction, if completed, would combine the financial and development capabilities of a publicly listed impact investment company with the technical expertise and local market presence of a seasoned Italian drilling firm.
The deal is underpinned by a shared commitment to the energy transition and a recognition of the strategic importance of geothermal energy. Italy’s supportive policy framework, including dedicated auction schemes and national capacity targets, creates a favorable environment for geothermal development. The broader geothermal drilling market is growing, driven by global decarbonization goals and increasing investment in advanced geothermal technologies.
However, the transaction remains subject to significant conditions, including due diligence, regulatory approvals, and the negotiation of definitive agreements. There is no certainty that the deal will be completed. Nonetheless, the announcement itself signals the growing maturity and attractiveness of the geothermal sector as an investment destination.
For New Sources Energy, a successful investment in Hydro Drilling would deepen its involvement in the geothermal value chain and provide a platform for future project development in Italy and potentially other European markets. For Hydro Drilling, the investment would provide capital and strategic support to expand its operations and pursue new opportunities. For the broader geothermal sector, the deal is another indication that the industry is entering a new phase of growth and institutional investment.
As Europe accelerates its transition to a net-zero economy, geothermal energy is poised to play an increasingly important role. Investments like the one proposed by New Sources Energy in Hydro Drilling are essential to unlocking the full potential of this renewable resource, providing the capital and expertise needed to drill the wells, develop the projects, and deliver the clean, reliable power that the energy transition demands.
See also: NextGen Geothermal Power: Siemens Energy’s CO₂-Based Closed-Loop Revolution
Source: Renewable energy , Euronext Capital
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