Massive Margin Growth Strikes Again In Geothermal Power Market: Edition 2019-2026 Increase in demand for implementation of renewable energy and rise in electricity consumption propel the global geothermal power market. Asia-Pacific is expected to maintain its dominance in terms of revenue by 2026. tusharApril 20, 2021 16 The geothermal power market growth is driven by rise in investment in renewable energy projects in the region. Moreover, significant increase in energy demand due to rapid industrialization and rise in population in countries such as China and India are expected to boost the market growth. Global geothermal power market was valued at $4.6 billion in 2018, and is projected to reach $6.8 billion by 2026, growing at a CAGR of 5.0% from 2019 to 2026.