1. Electricity from Geothermal

2. Developing the Geothermal Resource for Power Generation  Geothermal Well Characteristics  Vapor Dominated  Dry Steam  Liquid Dominated  Bi-phase Fluids  Steam and Brine  Brine

3. Developing the Geothermal Resource for Power Generation  Geothermal Well Characteristics  Vapor Dominated  Dry Steam  Liquid Dominated  Bi-phase Fluids  Steam and Brine  Brine

4. Developing the Geothermal Resource for Power Generation  Geothermal Well Characteristics  Vapor Dominated  Dry Steam  Liquid Dominated  Bi-phase Fluids  Steam and Brine  Brine

5. Know the Geothermal Resource  What properties are presented by the resource?  Fluid Pressure at Wellhead  Fluid Temperature at Wellhead  What flow can the well support?  Is the resource “clean”?

6. Geothermal Steam Supply  Wellhead Separators  Steam Collection system  Condensate  Properties of the Steam Supply  350 Degree F  210 psi

7. Steam Separators  Brine collection system  Separator efficiency  20 / 80 ratio  Properties of the Brine  350 Degree F

8. Basics of Power Generation  Conservation of Energy  Energy Conversion  Chemical to Heat (Typical Thermal Unit)  Heat to Mechanical (Steam Driven Turbine)  Mechanical to Electrical (Generator)

9. Steam Turbines

10. Binary Turbines

11. Generators

12. 3 Phase Power

13. Differences in Conversion Methods  Steam Systems  Single Flash  Double Flash  Binary System

14. Single Flash System

15. Dual Flash System

16. Binary System

17. Blundell Plant  Single Flash Design  Single turbine/Single generator  Turbine design data  Generator design data  Condenser design

18. Addition of Blundell Unit #2  Heat recovery system  Historical Brine flow vs Current Brine flow  340 Degree F vs 210 Degree F

19. Comparison of Condenser design  Wet type Condenser/Cooling Tower.  Dry Condenser.  Pros and Cons of each type.

20. Brine re-injection  Conservation of resource  Protection of wells  Effects of Temperature  Effects of pH  pH Control method  Balance of control  System Design complications

21. Complications of Unit Operation Water Induction (Mass water vs steam) Scaling Turbine Blades Back-pressure  Temperature and Pressure relationship  Gas in Condensate/Circulating Water  Ambient Temperature  Humidity  Wind Direction and Speed