U.S. Geothermal Energy Market Size Worth USD 3.13 Billion by 2034 | CAGR of 3.3% According to a comprehensive study published by Polaris Market Research, the U.S. Geothermal Energy Market was estimated at USD 2.34 billion in 2025 and is projected to reach USD 3.13 billion by 2034, expanding at a compound annual growth rate (CAGR of 3.3% during the forecast period from 2026 to 2034. As the...