GEOCOST:  a computer program for geothermal cost analysis

Bloomster, C.H.; Cohn, P.D.; Steese, J.G. De; Huber, Herbert; Mori, P.N. La; Shannon, D.W.; Sheff, J.R.; Walter, R.A.

doi:10.2172/5205684

Cited by 8 publications

(6 citation statements)

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“…GCOST is a modified version of GEOCOST (Huber et al, 1976;Bloomster, 1975), which has been used for many appl ications. The thermodyn'ami c analysis results have agreed with other published data, so the performance results can be used with some confidence.…”

Section: Gcost Computer Codementioning

confidence: 99%

Optimization and preconceptual design of a 5 MWe salt-gradient solar pond power plant at Great Salt Lake

Drost¹,

Brown²,

Barnhart³

et al. 1983

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FOREWORD This report documents the optimization and design of a solar salt pond power plant located at the Great Salt Lake in the state of Utah. The study was performed by the Pacific Northwest Laboratory (PNL) for the U.S. Department of Energy and was part of a series of solar pond engineering studies conducted at PNL. The entire Solar Pond Engineering Program consisted of four tasks. Truscott Brine Lake Feasibility Study-Working with the U.S. Army Corp of Engineers, PNL evaluated the technical and economic feasibility of building a solar pond power plant at Truscott Brine Lake. Truscott Brine Lake is part of Area VIII of the Arkansas-Red River Chloride Brine Control Project. Great Salt Lake Feasibility Study-This task consisted of investigating the economic feasibility of constructing a power generating facility using solar salt pond in the Great Salt Lake region. Site Comparison-The major sites proposed for the location of a large solar salt pond test facility were to be compared based on economics, performance and site characteristics. Design Handbook-PNL was to assemble a design handbook for solar salt ponds which reflect the site-specific aspects of design and cost. Task No.1 is reported elsewhere (Tulsa District, U.S. Ar~ Corp of Engineers, 1982) while Tasks 3 and 4 were to have been completed in FY 1983, but were closed out due to a change in the total project direction. This document reports some of the results of Task 2, the Great Salt Lake Feasibility Study, with particular emphasis on the method and results of the optimization study.

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Section: Gcost Computer Codementioning

confidence: 99%

Optimization and preconceptual design of a 5 MWe salt-gradient solar pond power plant at Great Salt Lake

Drost¹,

Brown²,

Barnhart³

et al. 1983

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“…To derive the supply curves, we used the GEOCOST model (2), which simulates the production of e l e c t r i c i t y from geothermal resources. GEOCOST has the advantages of providing internal consistency f o r comparative analysis of resources and technologies and of requiring a l l the assumptions used i n the analysis t o be made e x p l i c i t .…”

Section: V I Ntrbduct I Onmentioning

confidence: 99%

Long-term supply curves for geothermal energy: the impacts of technology

Fassbender¹,

Bloomster²

1980

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“…Under these assumptions, we calculated the costs o f power (Table 15) from each energy source a t two load f a c t o r s and two discount rates. I n order t o provide comparisons under U.S. conditions, we adopted two approaches: (1 ) we simulated the operating conditions a t Ahuachapan Units 1 and 2 using the GEOCOST model (Bloomster, e t al., 1975), and (2) Kuwada and Russell made an independent estimate o f the cost o f constructing the Ahuachapan p l a n t i n the U.S. p l a n t i n the U.S. might be somewhat lower i f a l a r g e p l a n t (e.g., 50 MW) which achieves some economies o f scale were b u i l t .…”

Section: Costs Under Government Financing Conditionsmentioning

confidence: 99%

Ahuachapan geothermal project: a technical and economic assessment

Bloomster¹,

DiPippo²,

Kuwada³

et al. 1979

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Ahuachapan for 21 mills/kWh. Without financing charges, the cost of power is only 8 mills/kWh. The actual financing of Ahuachapan was partly through foreign loans and a local bond issue at 6% to 8% interest and partly through the internal funds of CEL. ! The Ahuachapan development has provided definitive economic and technical feasibility data which permits definition and comparison of the economic viability of using geothermal energy in a specific electric power generation system which is representative o f U.S. conditions. The project has successfully demonstrated flashed steam technology and provided technical and cost data for determining re1 iable methods of assessing reservoir capacities, we1 1 stimulation, and uti 1 i zati on techno1 ogy .

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GEOCOST: a computer program for geothermal cost analysis

Cited by 8 publications

References 0 publications

Optimization and preconceptual design of a 5 MWe salt-gradient solar pond power plant at Great Salt Lake

Optimization and preconceptual design of a 5 MWe salt-gradient solar pond power plant at Great Salt Lake

Long-term supply curves for geothermal energy: the impacts of technology

Ahuachapan geothermal project: a technical and economic assessment

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