Geothermal Power Generation Market Report 2026

Geothermal Power Generation Market Overview

• Geothermal Power Generation market size has reached to $12.59 billion in 2025 • Expected to grow to $21.18 billion in 2030 at a compound annual growth rate (CAGR) of 10.9% • Growth Driver: Role Of Increasing Renewable Energy Demand In Geothermal Power Generation Market Expansion • Market Trend: Strategic Partnerships Drive Innovation In Geothermal Power Generation • Asia-Pacific was the largest region in 2025.

What Is Covered Under Geothermal Power Generation Market?

Geothermal power generation refers to the process of harnessing heat energy from beneath the Earth's surface to generate electricity. These systems utilize the heat from geothermal reservoirs or underground hot water and steam to drive turbines, which in turn produce electricity. The main types of geothermal power generation are binary cycles, dry steam, and flash steam. Binary cycle power generation refers to the utilization of moderate-temperature geothermal resources by transferring heat from the geothermal fluid to a secondary fluid with a lower boiling point. It is used for various applications, including dry steam power stations, flash steam power stations, and binary cycle power stations, which are used by various end user industries, including commercial, residential, industrial, and others.

What Is The Geothermal Power Generation Market Growth Forecast?

The geothermal power generation market size is expected to see rapid growth in the next few years. It will grow to $21.18 billion in 2030 at a compound annual growth rate (CAGR) of 10.9%. The growth in the forecast period can be attributed to growth of binary cycle installations, rising demand for zero emission power sources, development of enhanced geothermal systems (egs), increasing investments in geothermal rich regions, advancements in drilling and reservoir engineering. Major trends in the forecast period include growing development of binary cycle power plants, increasing adoption of flash steam systems, rising deployment of enhanced dry steam technologies, growing investments in high temperature geothermal reservoirs, expansion of modular and small scale geothermal power projects.

Global Geothermal Power Generation Market Segmentation

1) By Type: Binary Cycle, Dry Steam, Flash Steam 2) By Application: Dry Steam Power Stations, Flash Steam Power Stations, Binary Cycle Power Stations 3) By End Users: Commercial, Residential, Industrial, Other End Users Subsegments: 1) By Binary Cycle: Organic Rankine Cycle (ORC) Systems, Other Binary Cycle Systems 2) By Dry Steam: Conventional Dry Steam Power Plants, Enhanced Dry Steam Systems 3) By Flash Steam: Single-Flash Steam Systems, Double-Flash Steam Systems

What Is The Driver Of The Geothermal Power Generation Market?

The growing demand for renewable energy is expected to fuel the growth of the geothermal power generation market going forward. Renewable energy refers to energy derived from naturally replenishing sources that are virtually inexhaustible on human timescales. The increasing demand for renewable energy is driven by its cost-effectiveness, environmental benefits, and the broader global transition towards sustainable energy systems. Renewable energy, including geothermal power generation, contributes to sustainable development, environmental protection, and the transition towards a cleaner and more resilient energy future. Geothermal energy is considered a clean and sustainable energy source because it relies on a constantly replenished heat source within the Earth and generates minimal greenhouse gases when used to generate power. For instance, in 2023, according to the International Energy Agency (IEA), a France-based intergovernmental organization, global renewable electricity capacity additions surged from around 338 GW in 2022 to approximately 507 GW in 2023, marking an almost 50% year-on-year increase. Therefore, the growing demand for renewable energy is driving the growth of the geothermal power generation industry.

Key Players In The Global Geothermal Power Generation Market

Major companies operating in the geothermal power generation market are Chevron Corp., Enel Green Power S.p.A., Mitsubishi Corporation, Siemens AG, General Electric SE, Sumitomo Corporation, ABB Ltd., Berkshire Hathaway Energy, Toshiba Corporation, Atlas Copco AB, Calpine Corporation, Fuji Electric Co. Ltd., Tata Power Company Limited, Aboitiz Power Corporation, First Gen Corporation, Ansaldo Energia S.P.A., Ormat Technologies Inc., Innergex Renewable Energy Inc., Climatemaster Inc., Green Mountain Energy Company, Exergy Inc., GEG Power Equipments Private Limited, ElectraTherm Inc., Fervo Energy Co., Climeon AB

Global Geothermal Power Generation Market Trends and Insights

Major companies operating in the geothermal power generation market are focused on developing strategic partnerships to gain a competitive edge in the market. A geothermal power project partnership involves a collaborative arrangement between two or more entities to plan, develop, and operate a geothermal power generation facility. For instance, in November 2023, Google LLC, a US-based technology company, partnered with Fervo, a US-based clean-energy startup, to develop a first-of-its-kind geothermal power project in Nevada that aims to provide carbon-free energy to support Google's data centers and operations. Fervo uses advanced drilling techniques, which were originally developed by the oil and gas industry, to extract heat from beneath the earth's surface. Fervo has demonstrated the ability to produce round-the-clock carbon-free electricity using less land compared to other clean energy sources by installing fiber-optic cables to monitor the flow, temperature, and performance of the geothermal system in real-time.

What Are Latest Mergers And Acquisitions In The Geothermal Power Generation Market?

In October 2023, Ormat Technologies Inc., a US-based company that specializes in the manufacturing and development of geothermal power generation equipment, acquired the 150 MW portfolio of geothermal and solar assets from Enel Green Power North America (EGPNA) for approximately $271 million. This acquisition will enable Ormat to significantly expand its portfolio of renewable energy assets, and enhance its position as a leading player in the renewable energy sector. Enel Green Power North America (EGPNA) is a US-based owner and operator of geothermal and renewable energy plants in North America.

Regional Outlook

Asia-Pacific was the largest region in the geothermal power generation market in 2025. The regions covered in this market report are Asia-Pacific, South East Asia, Western Europe, Eastern Europe, North America, South America, Middle East, Africa. The countries covered in this market report are Australia, Brazil, China, France, Germany, India, Indonesia, Japan, Taiwan, Russia, South Korea, UK, USA, Canada, Italy, Spain.

What Defines the Geothermal Power Generation Market?

The geothermal power generation market consists of revenues earned by entities by providing services such as exploration, resource assessment, drilling services, plant design, and construction. The market value includes the value of related goods sold by the service provider or included within the service offering. The geothermal power generation market also includes sales of geothermal heat pumps, drilling rigs, and well casing. Values in this market are ‘factory gate’ values, that is the value of goods sold by the manufacturers or creators of the goods, whether to other entities (including downstream manufacturers, wholesalers, distributors and retailers) or directly to end customers. The value of goods in this market includes related services sold by the creators of the goods.

How is Market Value Defined and Measured?

The market value is defined as the revenues that enterprises gain from the sale of goods and/or services within the specified market and geography through sales, grants, or donations in terms of the currency (in USD unless otherwise specified). The revenues for a specified geography are consumption values that are revenues generated by organizations in the specified geography within the market, irrespective of where they are produced. It does not include revenues from resales along the supply chain, either further along the supply chain or as part of other products.

What Key Data and Analysis Are Included in the Geothermal Power Generation Market Report 2026?

The geothermal power generation market research report is one of a series of new reports from The Business Research Company that provides market statistics, including industry global market size, regional shares, competitors with the market share, detailed market segments, market trends and opportunities, and any further data you may need to thrive in the geothermal power generation industry. The market research report delivers a complete perspective of everything you need, with an in-depth analysis of the current and future state of the industry.