# Geothermal Technicians > Perform technical activities at power plants or individual installations necessary for the generation of power from geothermal energy sources. Monitor and control operating activities at geothermal power generation facilities and perform maintenance and repairs as necessary. Install, test, and maintain residential and commercial geothermal heat pumps. - Code: 49-9099.01 (O*NET-SOC; SOC 2018 49-9099) - Family: [Installation, Maintenance & Repair](https://foundation.org.ai/occupations#family-49), one of its 52 occupations - Tasks: 24 tasks (7 core and 17 supplemental) - Page: https://foundation.org.ai/occupations/49-9099.01 - JSON: https://foundation.org.ai/data/tasks/49-9099.01.json ## What the work is made of 1. Monitor and adjust operations of geothermal power plant equipment or systems. Core task · Task 17934 · Rated by 64 people who do the job, August 2020 2. Prepare and maintain logs, reports, or other documentation of work performed. Core task · Task 17955 · Rated by 64 people who do the job, August 2020 3. Identify and correct malfunctions of geothermal plant equipment, electrical systems, instrumentation, or controls. Core task · Task 17932 · Rated by 63 people who do the job, August 2020 4. Collect and record data associated with operating geothermal power plants or well fields. Core task · Task 17950 · Rated by 64 people who do the job, August 2020 5. Determine whether emergency or auxiliary systems will be needed to keep properties heated or cooled in extreme weather conditions. Core task · Task 17951 · Rated by 64 people who do the job, August 2020 6. Perform pre- and post-installation pressure, flow, and related tests of vertical and horizontal geothermal loop piping. Core task · Task 17946 · Rated by 64 people who do the job, August 2020 7. Identify equipment options, such as compressors, and make appropriate selections. Core task · Task 17942 · Rated by 64 people who do the job, August 2020 8. Adjust power production systems to meet load and distribution demands. Supplemental task · Task 17935 · Rated by 64 people who do the job, August 2020 9. Maintain electrical switchgear, process controls, transmitters, gauges, and control equipment in accordance with geothermal plant procedures. Supplemental task · Task 17944 · Rated by 64 people who do the job, August 2020 10. Calculate heat loss and heat gain factors for residential properties to determine heating and cooling required by installed geothermal systems. Supplemental task · Task 17937 · Rated by 63 people who do the job, August 2020 11. Maintain, calibrate, or repair plant instrumentation, control, and electronic devices in geothermal plants. Supplemental task · Task 17945 · Rated by 63 people who do the job, August 2020 12. Install and maintain geothermal plant electrical protection equipment. Supplemental task · Task 17952 · Rated by 64 people who do the job, August 2020 13. Design and lay out geothermal heat systems according to property characteristics, heating and cooling requirements, piping and equipment requirements, applicable regulations, or other factors. Supplemental task · Task 17938 · Rated by 64 people who do the job, August 2020 14. Install and maintain geothermal system instrumentation or controls. Supplemental task · Task 17943 · Rated by 64 people who do the job, August 2020 15. Prepare newly installed geothermal heat systems for operation by flushing, purging, or other actions. Supplemental task · Task 17941 · Rated by 64 people who do the job, August 2020 16. Weld piping, such as high density polyethylene (HDPE) piping, using techniques such as butt, socket, side-wall, and electro-fusion welding. Supplemental task · Task 17957 · Rated by 64 people who do the job, August 2020 17. Test water sources for factors, such as flow volume and contaminant presence. Supplemental task · Task 17956 · Rated by 64 people who do the job, August 2020 18. Install, maintain, or repair ground or water source-coupled heat pumps to heat and cool residential or commercial building air or water. Supplemental task · Task 17933 · Rated by 64 people who do the job, August 2020 19. Integrate hot water heater systems with geothermal heat exchange systems. Supplemental task · Task 17953 · Rated by 64 people who do the job, August 2020 20. Determine the type of geothermal loop system most suitable to a specific property and its heating and cooling needs. Supplemental task · Task 17939 · Rated by 64 people who do the job, August 2020 21. Dig trenches for system piping to appropriate depths and lay piping in trenches. Supplemental task · Task 17940 · Rated by 63 people who do the job, August 2020 22. Apply coatings or operate systems to mitigate corrosion of geothermal plant equipment or structures. Supplemental task · Task 17949 · Rated by 64 people who do the job, August 2020 23. Backfill piping trenches to protect pipes from damage. Supplemental task · Task 17936 · Rated by 64 people who do the job, August 2020 24. Operate equipment, such as excavators, backhoes, rock hammers, trench compactors, pavement saws, grout mixers or pumps, geothermal loop reels, and coil tubing units (CTU). Supplemental task · Task 17954 · Rated by 64 people who do the job, August 2020 ## More in Installation, Maintenance & Repair - [Aircraft Mechanics and Service Technicians](https://foundation.org.ai/occupations/49-3011.00): 38 tasks - [Audiovisual Equipment Installers and Repairers](https://foundation.org.ai/occupations/49-2097.00): 11 tasks - [Automotive Body and Related Repairers](https://foundation.org.ai/occupations/49-3021.00): 25 tasks - [Automotive Glass Installers and Repairers](https://foundation.org.ai/occupations/49-3022.00): 18 tasks - [Automotive Service Technicians and Mechanics](https://foundation.org.ai/occupations/49-3023.00): 30 tasks - [Avionics Technicians](https://foundation.org.ai/occupations/49-2091.00): 13 tasks - [Bicycle Repairers](https://foundation.org.ai/occupations/49-3091.00): 14 tasks - [Bus and Truck Mechanics and Diesel Engine Specialists](https://foundation.org.ai/occupations/49-3031.00): 26 tasks - [Camera and Photographic Equipment Repairers](https://foundation.org.ai/occupations/49-9061.00): 15 tasks - [Coin, Vending, and Amusement Machine Servicers and Repairers](https://foundation.org.ai/occupations/49-9091.00): 18 tasks - [Commercial Divers](https://foundation.org.ai/occupations/49-9092.00): 23 tasks - [Computer, Automated Teller, and Office Machine Repairers](https://foundation.org.ai/occupations/49-2011.00): 25 tasks - [Control and Valve Installers and Repairers, Except Mechanical Door](https://foundation.org.ai/occupations/49-9012.00): 32 tasks - [Electric Motor, Power Tool, and Related Repairers](https://foundation.org.ai/occupations/49-2092.00): 31 tasks - [Electrical and Electronics Installers and Repairers, Transportation Equipment](https://foundation.org.ai/occupations/49-2093.00): 15 tasks - [Electrical and Electronics Repairers, Commercial and Industrial Equipment](https://foundation.org.ai/occupations/49-2094.00): 20 tasks - [Electrical and Electronics Repairers, Powerhouse, Substation, and Relay](https://foundation.org.ai/occupations/49-2095.00): 15 tasks - [Electrical Power-Line Installers and Repairers](https://foundation.org.ai/occupations/49-9051.00): 23 tasks - [Electronic Equipment Installers and Repairers, Motor Vehicles](https://foundation.org.ai/occupations/49-2096.00): 12 tasks - [Farm Equipment Mechanics and Service Technicians](https://foundation.org.ai/occupations/49-3041.00): 14 tasks - [First-Line Supervisors of Mechanics, Installers, and Repairers](https://foundation.org.ai/occupations/49-1011.00): 22 tasks - [Heating, Air Conditioning, and Refrigeration Mechanics and Installers](https://foundation.org.ai/occupations/49-9021.00): 30 tasks - [Helpers--Installation, Maintenance, and Repair Workers](https://foundation.org.ai/occupations/49-9098.00): 16 tasks - [Home Appliance Repairers](https://foundation.org.ai/occupations/49-9031.00): 29 tasks - [Industrial Machinery Mechanics](https://foundation.org.ai/occupations/49-9041.00): 16 tasks - [Installation, Maintenance, and Repair Workers, All Other](https://foundation.org.ai/occupations/49-9099.00): no tasks listed - [Locksmiths and Safe Repairers](https://foundation.org.ai/occupations/49-9094.00): 14 tasks - [Maintenance and Repair Workers, General](https://foundation.org.ai/occupations/49-9071.00): 27 tasks - [Maintenance Workers, Machinery](https://foundation.org.ai/occupations/49-9043.00): 18 tasks - [Manufactured Building and Mobile Home Installers](https://foundation.org.ai/occupations/49-9095.00): 14 tasks - [Mechanical Door Repairers](https://foundation.org.ai/occupations/49-9011.00): 25 tasks - [Medical Equipment Repairers](https://foundation.org.ai/occupations/49-9062.00): 20 tasks - [Millwrights](https://foundation.org.ai/occupations/49-9044.00): 23 tasks - [Mobile Heavy Equipment Mechanics, Except Engines](https://foundation.org.ai/occupations/49-3042.00): 20 tasks - [Motorboat Mechanics and Service Technicians](https://foundation.org.ai/occupations/49-3051.00): 13 tasks - [Motorcycle Mechanics](https://foundation.org.ai/occupations/49-3052.00): 13 tasks - [Musical Instrument Repairers and Tuners](https://foundation.org.ai/occupations/49-9063.00): 29 tasks - [Outdoor Power Equipment and Other Small Engine Mechanics](https://foundation.org.ai/occupations/49-3053.00): 14 tasks - [Precision Instrument and Equipment Repairers, All Other](https://foundation.org.ai/occupations/49-9069.00): no tasks listed - [Radio, Cellular, and Tower Equipment Installers and Repairers](https://foundation.org.ai/occupations/49-2021.00): 30 tasks - [Rail Car Repairers](https://foundation.org.ai/occupations/49-3043.00): 20 tasks - [Recreational Vehicle Service Technicians](https://foundation.org.ai/occupations/49-3092.00): 17 tasks - [Refractory Materials Repairers, Except Brickmasons](https://foundation.org.ai/occupations/49-9045.00): 10 tasks - [Riggers](https://foundation.org.ai/occupations/49-9096.00): 14 tasks - [Security and Fire Alarm Systems Installers](https://foundation.org.ai/occupations/49-2098.00): 16 tasks - [Signal and Track Switch Repairers](https://foundation.org.ai/occupations/49-9097.00): 12 tasks - [Telecommunications Equipment Installers and Repairers, Except Line Installers](https://foundation.org.ai/occupations/49-2022.00): 39 tasks - [Telecommunications Line Installers and Repairers](https://foundation.org.ai/occupations/49-9052.00): 19 tasks - [Tire Repairers and Changers](https://foundation.org.ai/occupations/49-3093.00): 24 tasks - [Watch and Clock Repairers](https://foundation.org.ai/occupations/49-9064.00): 15 tasks - [Wind Turbine Service Technicians](https://foundation.org.ai/occupations/49-9081.00): 12 tasks ## Where this comes from Quoted from O*NET 29.0, U.S. Department of Labor, Employment and Training Administration, under CC BY 4.0: free to copy and reuse, with credit. Nothing on this page is written by the Org.AI Foundation.