Japan’s hot-spring resorts are blocking geothermal energy plants - The Economist
Published December 17, 2025
Japan’s Hot-Spring Resorts Impede Geothermal Energy Development
In Japan, a nation renowned for its abundant geothermal resources, the development of geothermal energy plants is facing significant opposition from the country's hot-spring resorts. These resorts, often situated in areas rich in geothermal potential, express concerns that the establishment of geothermal energy facilities could compromise the quality and sustainability of their hot springs. This conflict highlights the complex interplay between renewable energy initiatives and traditional tourism industries in Japan.
Japan ranks among the top countries globally for geothermal energy potential, with estimates suggesting that the nation could generate up to 23 gigawatts (GW) of energy from its geothermal resources. However, as of now, only about 0.5 GW of this potential is being harnessed. The government has been actively promoting geothermal energy as part of its strategy to diversify energy sources and reduce reliance on fossil fuels, particularly in the wake of the Fukushima Daiichi nuclear disaster in 2011. The push for renewable energy has intensified, with geothermal energy seen as a crucial component of Japan's energy mix.
Despite the government's ambitions, local hot-spring operators have raised alarm bells regarding the impact of geothermal energy extraction on their businesses. The hot springs, known as "onsen," are integral to Japanese culture and tourism, attracting millions of visitors each year. Operators argue that geothermal energy projects could lead to a decline in water quality or quantity, which would ultimately threaten their livelihoods. The fear of diminished hot spring resources has resulted in strong opposition from the onsen industry, leading to legal challenges and public protests against proposed geothermal projects.
One notable case involves a proposed geothermal plant in the Kumamoto Prefecture, where local onsen operators have banded together to voice their concerns. They argue that drilling for geothermal energy could alter the natural flow of hot spring water, potentially leading to a reduction in the temperature or volume of the springs. This situation has sparked a contentious debate about the balance between renewable energy development and the preservation of traditional onsen culture.
In response to these concerns, the Japanese government has been attempting to mediate between the geothermal energy sector and the onsen industry. Officials have proposed measures aimed at protecting hot springs while still allowing for geothermal energy development. These include conducting thorough environmental impact assessments and ensuring that geothermal projects incorporate technology designed to minimize disruption to existing hot springs.
Moreover, the government has highlighted the potential economic benefits of geothermal energy development. By tapping into this renewable resource, Japan could create jobs, stimulate local economies, and contribute to energy security. The government has also indicated that successful geothermal projects could provide a model for balancing energy production with the preservation of cultural and natural resources.
As the dialogue continues, some geothermal developers are exploring innovative solutions to address the concerns of onsen operators. For instance, there are proposals to utilize closed-loop geothermal systems, which would extract heat from the earth without significantly impacting the surrounding geothermal resources. Such systems could potentially alleviate fears about the depletion of hot spring water while still enabling the generation of renewable energy.
The tension between geothermal energy development and the onsen industry is emblematic of a broader challenge facing Japan as it seeks to transition to a more sustainable energy future. The country has set ambitious targets for reducing greenhouse gas emissions and increasing the share of renewable energy in its energy mix. However, achieving these goals requires navigating the complex landscape of local interests, cultural values, and environmental considerations.
In recent years, Japan's government has emphasized the importance of public engagement and stakeholder participation in energy planning. This approach aims to foster collaboration between different sectors and ensure that the voices of local communities are heard in decision-making processes. The government recognizes that building public trust is essential for the successful implementation of renewable energy projects, including geothermal energy.
The situation in Japan serves as a case study of the challenges faced by many countries as they strive to balance energy development with environmental and cultural preservation. As the world increasingly looks to renewable energy sources to combat climate change, finding solutions that respect local traditions and ecosystems will be critical. Japan's experience with geothermal energy and hot-spring resorts underscores the need for thoughtful planning and collaboration in the pursuit of sustainable energy solutions.
In conclusion, while Japan possesses significant geothermal energy potential, the path to harnessing this resource is fraught with challenges, particularly from the hot-spring industry. The ongoing negotiations between geothermal developers and onsen operators highlight the delicate balance that must be struck between energy production and the preservation of cultural heritage. As Japan continues to explore its geothermal resources, the outcomes of these discussions will not only shape the future of the country's energy landscape but also influence how similar conflicts are managed globally.
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