Energy conversion and economics for geothermal power generation at Heber, California, Valles Caldera, New Mexico, and Raft River, Idaho: case studies. Topical report 2
A portion of the results from a one-year study to assess the feasibility of constructing a 25 to 50 MWe geothermal power plant using low-salinity hydrothermal fluids as the energy source is presented. The objective of this report was to investigate the compatibility of the different power conversion options with real geothermal reservoirs and to analyze the economics of power generation. Nine cases are discussed which were chosen to yield further insight into the effect of reservoir temperature on the choice of conversion technology and power costs. These cases examine flashed steam, binary cycle and hybrid conversion for Raft River, Idaho; Heber, California; and Valles Caldera, New Mexico that have bottom-hole temperatures of approximately 150/sup 0/C, 180/sup 0/C and 260/sup 0/C, respectively. Conceptual layouts of the power conversion processes, cycle analyses and economic analyses are presented. The principal conclusions are: a hydrothermal demonstration plant is technically environmentally, and economically feasible in the 1980 time frame; the recommended demonstration site is Heber, Imperial Valley, California; binary cycle power conversion technology is recommended; the recommended demonstration plant capacity is approximately 50 MWe; and there are no overriding environmental constraints.
- Research Organization:
- HOLT/PROCON, Pasadena, CA (USA)
- OSTI ID:
- 7307109
- Report Number(s):
- EPRI-ER-301
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
15 GEOTHERMAL ENERGY
150500 -- Geothermal Energy-- Economics
Industrial
& Business Aspects
150800* -- Geothermal Power Plants
2-METHYLPROPANE
ALKANES
BINARY-FLUID SYSTEMS
CALIFORNIA
COMPARATIVE EVALUATIONS
CONVERSION
DESIGN
ECONOMICS
ENERGY CONVERSION
ENVIRONMENTAL EFFECTS
FEASIBILITY STUDIES
FLASHED STEAM SYSTEMS
GEOTHERMAL ENERGY CONVERSION
GEOTHERMAL FIELDS
GEOTHERMAL POWER PLANTS
GEOTHERMAL SYSTEMS
Geothermal Legacy
HEBER GEOTHERMAL FIELD
HYBRID SYSTEMS
HYDROCARBONS
HYDROTHERMAL SYSTEMS
IDAHO
IMPERIAL VALLEY
NEW MEXICO
NORTH AMERICA
ORGANIC COMPOUNDS
PACIFIC NORTHWEST REGION
POWER GENERATION
POWER PLANTS
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SOUTHWEST REGION
THERMAL POWER PLANTS
THERMODYNAMICS
USA
WESTERN REGION
150500 -- Geothermal Energy-- Economics
Industrial
& Business Aspects
150800* -- Geothermal Power Plants
2-METHYLPROPANE
ALKANES
BINARY-FLUID SYSTEMS
CALIFORNIA
COMPARATIVE EVALUATIONS
CONVERSION
DESIGN
ECONOMICS
ENERGY CONVERSION
ENVIRONMENTAL EFFECTS
FEASIBILITY STUDIES
FLASHED STEAM SYSTEMS
GEOTHERMAL ENERGY CONVERSION
GEOTHERMAL FIELDS
GEOTHERMAL POWER PLANTS
GEOTHERMAL SYSTEMS
Geothermal Legacy
HEBER GEOTHERMAL FIELD
HYBRID SYSTEMS
HYDROCARBONS
HYDROTHERMAL SYSTEMS
IDAHO
IMPERIAL VALLEY
NEW MEXICO
NORTH AMERICA
ORGANIC COMPOUNDS
PACIFIC NORTHWEST REGION
POWER GENERATION
POWER PLANTS
PROPANE
RAFT RIVER VALLEY
SOUTHWEST REGION
THERMAL POWER PLANTS
THERMODYNAMICS
USA
WESTERN REGION