Top 5 Geothermal Energy Companies in the US

3. Berkshire Hathaway Energy 

Estimated Annual Revenue: $26.3 billion

Ranking third on our list of the top 10 geothermal energy companies in the US, Berkshire Hathaway Energy is a subsidiary of Berkshire Hathaway. The company provides reliable and sustainable energy by investing in renewable energy and energy efficiency technologies. It has one of the largest renewable energy sectors in the US. The group boasts a portfolio of over a dozen geothermal power facilities across the US. Berkshire Hathaway Energy’s estimated revenue per year is $26.3 billion.