Geothermal Engineering Services

Tetra Tech supports the global transition to sustainable energy by delivering comprehensive geothermal services grounded in geological and hydrogeological expertise. We work across the full lifecycle of geothermal development, from site assessment and stakeholder engagement through to resource characterisation and construction oversight.

Our integrated approach combines technical excellence, regulatory insight, and deep sector experience to help clients unlock the full potential of both shallow and deep geothermal resources. We deliver bespoke solutions tailored to commercial, environmental, and societal requirements.

Shallow Geothermal Systems

Our shallow geothermal services support low-carbon heating and cooling solutions for buildings and developments, using the ground as a renewable energy source.

• Feasibility and cost-benefit analysis
• Planning and permitting support
• Well design, drilling, geo-exchange construction and thermal response testing
• Ground source heat pump system design and assessment
• Geothermal heating, ventilation, and air conditioning (HVAC) Integration with building services and infrastructure
• Performance monitoring and optimisation including mechanical and electrical engineering

Deep Geothermal Exploration and Development

Tetra Tech delivers deep geothermal services to support utility-scale renewable energy generation and direct-use applications.

• Site selection, characterisation, and reservoir modelling
• Planning and permitting support
• Environmental and social impact assessments
• Borehole design, drilling, oversight, and construction management
• Reservoir testing and data interpretation
• Risk analysis and mitigation planning
• Power generation design and integration with energy networks

Geothermal Feasibility and Advisory Services

We help clients understand the technical and economic viability of geothermal investments through robust assessments and due diligence.

• Technical and financial feasibility studies
• Resource assessments and reserve estimation
• Commercial, cost consultancy, and technical due diligence
• Market and regulatory analysis
• Project lifecycle risk profiling
• Strategic planning and investment advice

Reservoir Characterisation and Geophysical Surveying

Our geoscientists and engineers provide essential insights to define geothermal resources accurately and sustainably.

• Subsurface geological analysis and reservoir modelling
• Seismic, magnetotelluric, and gravity surveys
• Data integration and interpretation
• Geothermal gradient and thermal conductivity assessments
• Modelling for resource estimation and development planning

Project and Stakeholder Management

We manage complex geothermal developments with a focus on risk, quality, and collaborative delivery.

• Multidisciplinary project management and coordination
• Procurement and contract administration
• Health, safety, and environmental compliance
• Stakeholder engagement and public consultation
• Community benefit strategies
• Interface management with regulators and utilities