EIG Geothermal Fund Makes Inaugural Investment in Power Planet
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EIG Geothermal Fund Makes Inaugural Investment in Power Planet

The investment will advance the Star Peak enhanced geothermal system project and a broader portfolio.

8/19/2026
Ali Abounasr El Alaoui
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EIG Geothermal Catalyst Partners has announced its inaugural investment, providing crucial development capital to Power Planet. This strategic funding is designated for the advancement of the Star Peak enhanced geothermal system (EGS) project in Nevada. The move signals growing institutional confidence in next-generation geothermal technology as a key component of the future energy landscape.


Strategic Investment in Next-Generation Geothermal

The transaction marks the first capital deployment from EIG's specialized geothermal fund, although specific financial terms were not disclosed. The fund was established to support geothermal projects as they navigate complex technical and commercial development stages. This investment will help Power Planet advance not only Star Peak but also its broader portfolio of geothermal assets.

EIG's strategy focuses on bridging a critical financing gap for projects that are too early for traditional institutional capital. By providing funding during these riskier phases, the firm aims to de-risk the assets and pave the way for larger investments. This approach is designed to accelerate the overall development timeline for promising geothermal ventures across the United States.

Advancing the Star Peak Project

The Star Peak project is poised for accelerated development due to several key advantages on site. It benefits from existing geothermal infrastructure, available grid interconnection capacity, and valuable subsurface data from previous exploration. These factors are expected to support a phased development approach and mitigate common infrastructure hurdles associated with new power generation.

Power Planet anticipates delivering electricity from the Star Peak EGS facility to the grid between 2027 and 2028. Keith Elliott, the company's CEO, stated that EIG's partnership has been instrumental in accelerating the project and attracting additional capital. This support is crucial for the company's plans to scale its development portfolio and deploy EGS technology more broadly.

The Growing Case for Geothermal Power

Enhanced geothermal systems represent a significant technological advancement, expanding the potential for geothermal power beyond traditional resource-rich areas. The technology creates or improves subsurface conditions to circulate fluids and harness underground heat for energy production. This innovation is critical for making geothermal a more widely accessible, low-carbon power source for the grid.

The investment comes as demand for reliable, firm power surges due to the growth of data centers and widespread electrification. Andrew Ellenbogen, President of EIG, emphasized that this partnership reflects the significant opportunity to support next-generation geothermal development. Geothermal's ability to provide consistent, low-carbon energy makes it an increasingly attractive solution to meet modern grid requirements.


EIG's inaugural geothermal investment in Power Planet marks a pivotal moment for the enhanced geothermal sector. It highlights a strategic shift by major investors towards technologies that can provide reliable, clean energy to a strained grid. This partnership not only accelerates the Star Peak project but also sets a positive precedent for future financing in the geothermal industry.