Geothermal Technicians Salary in Illinois
Geothermal Technicians in Illinois earn a median of $55,780 a year, +13% compared with the U.S. median. Figures are for the broader BLS group “Installation, Maintenance, and Repair Workers, All Other”.
Updated October 2026 · Data: BLS OEWS May 2025 · How we match careers
- Median pay
- $55,780
- vs. U.S. median
- +13% ($49,230)
- Rank among states
- 11 of 51
- Jobs in the state
- 5,350
Pay range in Illinois
The lowest-paid 10% earn under $38,760; the top 10% earn over $88,000. Nationally the range is $36,080 to $77,040.
States ranked near Illinois
Similar jobs in Illinois
- Stationary Engineers and Boiler Operators$115,780 median in Illinois
- Hydroelectric Plant Technicians$104,440 median in Illinois (broader BLS group)
- Industrial Machinery Mechanics$76,200 median in Illinois
- Power Plant Operators$104,440 median in Illinois
- Control and Valve Installers and Repairers, Except Mechanical Door$61,980 median in Illinois
- Ship Engineers$115,310 median in Illinois
Geothermal Technicians pay in Illinois
How much do geothermal technicians make in Illinois?
The median is $55,780 a year. The lowest-paid 10% earn under $38,760 and the top 10% earn over $88,000. BLS OEWS May 2025.
Is Illinois a good state for geothermal technicians?
On pay alone it ranks 11 of 51 (+13% vs. the national median of $49,230). Living costs are not included.