Power Plant Construction and QA/QC

Section 1.7– Geothermal Energy

Engineering Technology Engineering Technology DivisionDivision

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Overview

• Introduction

• US Geothermal Plants

• Geothermal Resources

• Geothermal Production and Methods

• Geothermal Potential for Power Generation

• Environmental Aspects

Section 1.7– Geothermal Energy

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Introduction

Section 1.7– Geothermal Energy

DEFINITION - Geothermal energy is thermal energy generated and stored in the Earth.

Geothermal energy production is the ability to utilize the Earth’s heat to produce work (or rotational energy) to turn a generator

7,000 °K=12,140 °F

°F x 256 = °K

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Introduction

Section 1.7– Geothermal Energy

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US Geothermal Plants

Section 1.7– Geothermal Energy

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Section 1.7– Geothermal Energy

US Geothermal Plants

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Geothermal Resources - US

Section 1.7– Geothermal Energy

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Section 1.7– Geothermal Energy

Geothermal Production - Types

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Section 1.7– Geothermal Energy

Geothermal Production - Types

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Section 1.7– Geothermal Energy

Geothermal Production - TypesDouble Flash Power Plant

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Section 1.7– Geothermal Energy

Geothermal Production - Types

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Section 1.7– Geothermal Energy

Geothermal Potential for Power Generation

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Section 1.7– Geothermal Energy

Environmental Issues

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Section 1.7– Geothermal Energy

Location - Proper Research, Dry Hole

Lifespan of the Project – Drilling, Plant Life, Stoppage

Hazardous Gases – Hydrogen Sulfide, Sulfur Dioxide, Carbon Dioxide

Dissolved Chemicals – Deposition, Cleaning, Waste, Treatment

Geological Changes – Earthquake, Subsidence, Land Lifting

Environmental Issues - Disadvantages

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Questions?

Section 1.7– Geothermal Energy