While solar and wind receive much attention, the baseload, dispatchable, and continuous potential of other renewables—hydropower, geothermal, and ocean energy—remains critical to a stable energy system. This course provides a comprehensive technical and environmental examination of these established and emerging power sources. Participants will analyze the design complexities of various systems, from large-scale dams to deep-earth drilling and tidal turbines. The program focuses on assessing the resource availability, mitigating environmental and social impacts, and understanding the role these non-intermittent sources play in achieving global decarbonization goals.
Hydropower, Geothermal, and Ocean Energy: Traditional and Emerging Sources
Energy Transition and Renewable Energy
October 25, 2025
Introduction
Objectives
Upon successful completion of this program, participants will be able to:
- Differentiate between conventional, run-of-river, and pumped storage hydropower and their operational profiles.
- Explain the thermodynamic principles and resource requirements for various types of geothermal power plants.
- Assess the technical viability and resource predictability of tidal stream and wave energy technologies.
- Conduct a preliminary environmental and social impact assessment for major water and land-based energy projects.
- Analyze the unique role of these sources in providing dispatchable, baseload power to the grid.
- Understand the regulatory and permitting complexities specific to geothermal and ocean energy exploration.
- Evaluate the economic trade-offs and financing structures for these long-life, high-CAPEX assets.
- Formulate a strategic rationale for integrating these reliable sources into a national energy mix.
Target Audience
- Hydropower and Civil Engineers
- Geothermal Resource Geologists and Drilling Engineers
- Ocean Energy Developers and Maritime Specialists
- Environmental and Social Impact Assessors
- Energy Infrastructure Planners and Regulators
- Investment Analysts specializing in baseload renewables
- Utility Engineers and System Planners
Methodology
- **Scenarios:** Conducting a preliminary environmental risk assessment for a proposed tidal stream power project in a sensitive estuary.
- **Case Studies:** Analyzing the successful development and subsequent environmental challenges of a major hydropower complex.
- **Group Activities:** Collaboratively determining the best geothermal power plant type (flash vs. binary) for a resource with specific temperature and fluid characteristics.
- **Individual Exercises:** Mapping the required permits and regulatory steps for a new Enhanced Geothermal System (EGS) drilling project.
- **Mini-Case Studies:** Rapid evaluation of a new wave energy converter technology for its technical feasibility and grid compatibility.
- **Syndicate Discussions:** Debating the ethical trade-offs between the environmental impact of large hydropower versus its role in grid stability.
- **Resource Assessment:** Analyzing seismic data (conceptual) to identify a high-potential geothermal exploration target.
Personal Impact
- Acquisition of specialized knowledge in high-CAPEX, long-life renewable assets.
- Improved ability to conduct complex environmental and social risk assessments.
- Enhanced expertise in non-intermittent, dispatchable power generation technologies.
- Positioning for roles in utility planning, infrastructure, and resource extraction.
- Mastery of the unique engineering and geological challenges of these systems.
- Increased confidence in managing projects with long permitting and development timelines.
Organizational Impact
- Reduced operational risk through integration of reliable, baseload generation assets.
- Improved organizational capacity to manage complex, multi-stakeholder infrastructure projects.
- Enhanced grid stability and resilience by minimizing reliance on weather-dependent sources.
- Compliance with stringent environmental and social governance (ESG) standards.
- Access to niche international markets for geothermal and ocean energy development.
- Long-term energy security through stable, locally available resources.
Course Outline
Unit 1: Hydropower Fundamentals and Systems
From Baseload to Flexibility- Operating principles of conventional impoundment, diversion, and pumped storage.
- Detailed analysis of dam design, civil engineering, and structural integrity.
- Managing reservoir operations for power, flood control, and water supply.
- The environmental and social impacts of large-scale dam projects (sedimentation, displacement).
- Modernizing existing hydropower assets for enhanced grid flexibility and black-start capability.
Unit 2: Geothermal Energy Exploration and Power
Tapping Sub-Surface Heat- Geothermal resource types: hydrothermal, enhanced geothermal systems (EGS), and co-produced.
- Operating principles of dry steam, flash, and binary cycle power plants.
- Resource exploration techniques, reservoir modeling, and drilling technologies.
- Managing the environmental risks: seismicity, non-condensable gases, and water use.
- The economics of geothermal, characterized by high CAPEX and low OPEX.
Unit 3: Ocean Energy: Tidal and Wave
Harnessing the Blue Economy- Tidal range technologies: tidal barrages and their environmental impact.
- Tidal stream current technologies and resource assessment.
- Principles of wave energy conversion (WECs) and their various devices (point absorbers, attenuators).
- The technical and logistical challenges of deploying and maintaining subsea energy devices.
- Regulatory and maritime policy frameworks for ocean energy development.
Unit 4: Environmental and Social Governance
Managing Long-Term Impacts- Advanced techniques for assessing ecosystem and biodiversity impacts (fish passage, sediment flow).
- Engaging with local communities and indigenous populations (Free, Prior, and Informed Consent - FPIC).
- Designing mitigation strategies for noise, visual, and ecological disturbances.
- The long-term decommissioning and remediation requirements for these assets.
- Integrating ESG standards into project development and financing.
Unit 5: Market Integration and Future Potential
The Role in Grid Stability- Modeling the dispatchable nature of hydro and geothermal in power systems.
- Hybridizing these sources with intermittent renewables (e.g., pumped hydro with wind).
- Cost trends, technological readiness levels (TRL), and global deployment potential.
- Policy and regulatory incentives necessary to scale up ocean and EGS technologies.
- Strategic comparison of LCOE and LCOS for these baseload alternatives.
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