How much does a Geothermal Engineer make in Washington?
As of July 01, 2026, the average salary for a Geothermal Engineer in Washington is $103,973 per year, which breaks down to an hourly rate of $50.
However, a Geothermal Engineer's salary can vary significantly. Here’s a look at the typical salary range:
- Top Earners (90th percentile): $119,730
- Majority Range (25th-75th percentile): $92,386 to $112,221
- Entry-Level (10th percentile): $81,836