{"v":"2026-11-02","dataVersion":"ONET-30.3+BLS-MAY25","code":"49-9099.01","slug":"geothermal-technicians","title":"Geothermal Technicians","alt":["Operator Technician","Pump Technician","Design Technician","Corrosion Technician","Geothermal Field Technician","Geothermal HVAC Technician","Geothermal Service Technician","Geothermal Installer","Distribution Field Technician","Field Distribution Technician","Plant Mechanic","Switchgear Operator"],"employment":176300,"wage":{"median":49230,"p25":42170,"p75":61900},"growthPct":2.4,"exposure":35.1,"taskCount":24,"highCount":2,"midCount":8,"lowCount":14,"aeiObserved":1,"fit":{"mix":{"none":35.7,"efficient":50.6,"standard":4.7,"frontier":8.9},"counts":{"none":9,"efficient":12,"standard":1,"frontier":2},"recommended":"standard","coveragePct":55.3,"addressablePct":64.3},"tasks":[{"t":"Adjust power production systems to meet load and distribution demands.","imp":4.51,"exp":15,"src":"heuristic","tier":null,"gwa":"Handling and Moving Objects"},{"t":"Monitor and adjust operations of geothermal power plant equipment or systems.","imp":4.32,"exp":50,"src":"heuristic","tier":"efficient","gwa":"Handling and Moving Objects"},{"t":"Prepare and maintain logs, reports, or other documentation of work performed.","imp":4.31,"exp":95.03,"src":"aei","tier":"standard","gwa":"Documenting/Recording Information","auto":0.8947,"aug":0.1053},{"t":"Identify and correct malfunctions of geothermal plant equipment, electrical systems, instrumentation, or controls.","imp":4.25,"exp":50,"src":"heuristic","tier":"frontier","gwa":"Making Decisions and Solving Problems"},{"t":"Collect and record data associated with operating geothermal power plants or well fields.","imp":4.24,"exp":50,"src":"heuristic","tier":"efficient","gwa":"Documenting/Recording Information"},{"t":"Calculate heat loss and heat gain factors for residential properties to determine heating and cooling required by installed geothermal systems.","imp":4.17,"exp":80,"src":"heuristic","tier":"efficient","gwa":"Handling and Moving Objects"},{"t":"Maintain electrical switchgear, process controls, transmitters, gauges, and control equipment in accordance with geothermal plant procedures.","imp":4.17,"exp":50,"src":"heuristic","tier":"efficient","gwa":"Repairing and Maintaining Mechanical Equipment"},{"t":"Maintain, calibrate, or repair plant instrumentation, control, and electronic devices in geothermal plants.","imp":4.15,"exp":50,"src":"heuristic","tier":"efficient","gwa":"Handling and Moving Objects"},{"t":"Install and maintain geothermal plant electrical protection equipment.","imp":3.93,"exp":50,"src":"heuristic","tier":"efficient","gwa":"Handling and Moving Objects"},{"t":"Design and lay out geothermal heat systems according to property characteristics, heating and cooling requirements, piping and equipment requirements, applicable regulations, or other factors.","imp":3.9,"exp":50,"src":"heuristic","tier":"frontier","gwa":"Thinking Creatively"},{"t":"Install and maintain geothermal system instrumentation or controls.","imp":3.87,"exp":20,"src":"heuristic","tier":"efficient","gwa":"Handling and Moving Objects"},{"t":"Determine whether emergency or auxiliary systems will be needed to keep properties heated or cooled in extreme weather conditions.","imp":3.87,"exp":15,"src":"heuristic","tier":null,"gwa":"Making Decisions and Solving Problems"},{"t":"Perform pre- and post-installation pressure, flow, and related tests of vertical and horizontal geothermal loop piping.","imp":3.75,"exp":20,"src":"heuristic","tier":"efficient","gwa":"Inspecting Equipment, Structures, or Materials"},{"t":"Prepare newly installed geothermal heat systems for operation by flushing, purging, or other actions.","imp":3.68,"exp":20,"src":"heuristic","tier":"efficient","gwa":"Repairing and Maintaining Mechanical Equipment"},{"t":"Identify equipment options, such as compressors, and make appropriate selections.","imp":3.64,"exp":15,"src":"heuristic","tier":null,"gwa":"Making Decisions and Solving Problems"},{"t":"Weld piping, such as high density polyethylene (HDPE) piping, using techniques such as butt, socket, side-wall, and electro-fusion welding.","imp":3.64,"exp":15,"src":"heuristic","tier":null,"gwa":"Handling and Moving Objects"},{"t":"Install, maintain, or repair ground or water source-coupled heat pumps to heat and cool residential or commercial building air or water.","imp":3.63,"exp":20,"src":"heuristic","tier":"efficient","gwa":"Handling and Moving Objects"},{"t":"Test water sources for factors, such as flow volume and contaminant presence.","imp":3.63,"exp":15,"src":"heuristic","tier":null,"gwa":"Inspecting Equipment, Structures, or Materials"},{"t":"Integrate hot water heater systems with geothermal heat exchange systems.","imp":3.61,"exp":15,"src":"heuristic","tier":null,"gwa":"Handling and Moving Objects"},{"t":"Determine the type of geothermal loop system most suitable to a specific property and its heating and cooling needs.","imp":3.35,"exp":15,"src":"heuristic","tier":null,"gwa":"Making Decisions and Solving Problems"},{"t":"Dig trenches for system piping to appropriate depths and lay piping in trenches.","imp":3.17,"exp":15,"src":"heuristic","tier":null,"gwa":"Performing General Physical Activities"},{"t":"Apply coatings or operate systems to mitigate corrosion of geothermal plant equipment or structures.","imp":3.14,"exp":50,"src":"heuristic","tier":"efficient","gwa":"Performing General Physical Activities"},{"t":"Backfill piping trenches to protect pipes from damage.","imp":3.12,"exp":15,"src":"heuristic","tier":null,"gwa":"Performing General Physical Activities"},{"t":"Operate equipment, such as excavators, backhoes, rock hammers, trench compactors, pavement saws, grout mixers or pumps, geothermal loop reels, and coil tubing units (CTU).","imp":3.06,"exp":20,"src":"heuristic","tier":"efficient","gwa":"Performing General Physical Activities"}],"adjacent":[{"code":"11-3051.02","slug":"geothermal-production-managers","title":"Geothermal Production Managers","overlap":0.72,"months":10,"exposure":54,"strong":true},{"code":"19-4043.00","slug":"geological-technicians-except-hydrologic-technicians","title":"Geological Technicians, Except Hydrologic Technicians","overlap":0.7,"months":11,"exposure":64,"strong":true},{"code":"47-2152.04","slug":"solar-thermal-installers-and-technicians","title":"Solar Thermal Installers and Technicians","overlap":0.7,"months":11,"exposure":26.5,"strong":true},{"code":"51-8013.04","slug":"hydroelectric-plant-technicians","title":"Hydroelectric Plant Technicians","overlap":0.69,"months":11,"exposure":42.2,"strong":true},{"code":"19-4044.00","slug":"hydrologic-technicians","title":"Hydrologic Technicians","overlap":0.67,"months":12,"exposure":52.4,"strong":true}]}