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NAICS 221116: Geothermal Electric Power Generation

NAICS 221116

NAICS 221116 – Geothermal Electric Power Generation covers the production of electricity through the harnessing of heat from the Earth’s subsurface, typically via binary cycle, flash steam, or dry steam power plants. This sector involves the design, construction, operation, and maintenance of geothermal wells, heat exchangers, turbines, and transmission infrastructure to convert geothermal energy into grid-ready electrical power.

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NAICS 221116 FAQ

Frequently Asked Questions

NAICS code 221116 covers Geothermal Electric Power Generation. This U.S. industry comprises establishments primarily engaged in operating geothermal electric power generation facilities. These facilities use heat derived from the Earth to produce electric energy. The electric energy produced in these establishments is provided to electric power transmission systems or to electric power distribution systems.

To find government contracts for NAICS 221116 (Geothermal Electric Power Generation), start by searching on CLEATUS where you can filter by NAICS code, agency, set-aside type, and more. Register your business on SAM.gov with NAICS 221116 listed in your entity profile. Monitor new solicitations, review incumbent contractors, and analyze agency spending patterns to prepare competitive proposals. Browse NAICS 221116 opportunities now.

Recently Posted in Geothermal Electric Power Generation

Geothermal Well Drilling & Loop InstallationThis subcontract opportunity is for Geothermal Well Drilling and Loop Installation to support prime contractors on HVAC projects for the Town of Chapel Hill in North Carolina. The selected provider will be responsible for the complete delivery of an installed and pressure-tested ground loop field, which includes drilling boreholes, installing HDPE piping, grouting wells, and manifolding the loop field. Qualified candidates must possess a North Carolina state well drilling license and have access to necessary drill rigs and HDPE fusion welding equipment. The solicitation was posted on October 21, 2026, with a response deadline of November 19, 2026.

Town of Chapel Hill

POSTED

DEADLINE

Directional Drilling and Sidetrack ExecutionThis subcontract for Directional Drilling and Sidetrack Execution involves the sidetracking of well D-432 within the Wilmington field for prime contractors on CalGEM projects. The scope of work includes milling out original casing and cement, initiating the sidetrack kick-off, and steering the wellbore to the target reservoir zone. To achieve this, the contractor will utilize directional drilling rigs, Bottom Hole Assemblies, mud motors, and MWD tools to deliver a wellbore that successfully reaches the target pay zone. The project is located in Los Angeles and requires strict adherence to CalGEM drilling regulations as well as SB 1137 health protection zone requirements. Classified under NAICS code 221116, the contract is managed under the California Department of Conservation.

California Conservation, Department of

POSTED

DEADLINE

Cost-Share for Federal Geothermal Energy Funding Opportunities

Solicitation # GFO-25-902

Solicitation GFO-25-902 is a program administered by the California Energy Commission designed to provide cost-share funding for geothermal energy projects that are also applying for federal funding, specifically aligning with federal opportunities such as DE-FOA-0003589. The program utilizes a two-phase application process consisting of a Pre-Federal Award phase and a Post-Federal Award phase. To be eligible, projects must focus on geothermal energy resource development or critical mineral recovery within California. The application process is rigorous, requiring a detailed project narrative, a comprehensive scope of work, a project schedule, and a feasibility study for resource development projects that generate revenue or energy savings. Applicants must provide extensive documentation, including a mandatory applicant declaration certifying legal and financial standing, CEQA compliance screening, and commitment letters for match funding and project sites. The program emphasizes technical merit, economic benefits to California, and the qualifications of the project team. Following the initial phase, successful applicants must submit a Phase II package containing the approved federal award confirmation, the final federal budget, and the approved federal scope of work. Funding is contingent upon final commission approval and the receipt of the corresponding federal award, as evidenced by the recommendation of over 2.4 million dollars in cost-share funding for selected entities including Materials Research LLC, Waypoint 33 LLC, and EELI Technology, Inc.

CA Energy Commission

POSTED

DEADLINE

Geotechnical Field Exploration and Borehole DrillingThis subcontract for Geotechnical Field Exploration and Borehole Drilling supports City of San Diego ADA improvement projects. The selected provider will perform subsurface field exploration for prime contractors, specifically executing borehole drilling, sampling, and borehole percolation testing to assess soil properties and determine infiltration rates. All work must be conducted using appropriate drilling rigs and sampling tools in strict compliance with Caltrans 2015 Standard Specifications. The scope of work requires the delivery of comprehensive field logs, soil samples, and raw percolation test data. Performance will take place within San Diego, California, under NAICS code 221116. The project is associated with the City of San Diego and was posted on June 2, 2026.

City of San Diego

POSTED

DEADLINE

Geotechnical Subsurface ExplorationThis subcontract for Geotechnical Subsurface Exploration involves performing subsurface exploration and soil characterization for prime contractors on Riverside Community College District facility projects located in Moreno Valley, California. The scope of work includes executing soil borings and utility trench backfill assessments utilizing drilling rigs and soil recovery sampling tools. The contractor is required to adhere to the Unified Soil Classification System for all soil classification tasks. Final deliverables for the project consist of detailed boring logs and physical soil samples.

Riverside Community College District

POSTED

DEADLINE

Well Workover and Maintenance ServicesThis subcontract for Well Workover and Maintenance Services involves the operation, repair, maintenance, and minor alteration of oil, gas, injection, and geothermal wells within Kern County, California. Working under prime contractors on projects overseen by CalGEM, the service provider is responsible for executing remedial work, conversions, and abandonment operations utilizing pumping units and workover rigs to ensure every wellbore is either fully operational or safely abandoned. The contract adheres to specific regulatory standards, including CalGEM rework guidance and CEQA exemptions under 14 CCR sections 15301, 15302, and 15304. Classified under NAICS code 221116, the agreement is managed through the California Department of Conservation and was posted on December 9, 2025.

California Conservation, Department of

POSTED

DEADLINE

Green-E Certified Renewable Energy Credit (REC) Supply

Argonne National Labor - DOE Contractor

POSTED

about 1 year ago

CLOSED

Water Play and Aquatic Equipment SupplyThis subcontract agreement through Sourcewell focuses on the supply of interactive water play structures, splash pads, and aquatic play features designed for installation in parks, pools, and recreational centers. The scope of work specifically includes the necessary hydraulic and drainage integration to ensure the functional operation of these aquatic installations. The contract was posted on October 16, 2025, and maintains a long-term response deadline extending to December 17, 2029. It is categorized under NAICS code 221116, establishing a framework for the procurement of specialized water recreation equipment through a cooperative purchasing arrangement.

POSTED

about 1 year ago

DEADLINE

in about 3 years

Renewable Energy Certification & Green Power Sourcing Support

Village of Warwick

POSTED

over 2 years ago

CLOSED

over 2 years ago

Renewable Energy Supply – Solar Generation

Pbs Office Of Facilities Management

POSTED

over 2 years ago

CLOSED

over 2 years ago

Marine Energy Renewable Energy Certificates (RECs) Supply

POSTED

over 2 years ago

CLOSED

over 3 years ago

Request for Quotations number 19NL80-24-Q-0017 Preventive Maintenance Geothermal Heat Recovery Chiller-Heater and Air-Cooled Water Chiller

Solicitation # 19NL80-24-Q-0017

S Embassy The Hague

POSTED

almost 3 years ago

CLOSED

almost 3 years ago

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