Geothermal District Heating Favorability Studies in Seven Washington Cities
- Key words
- Direct Use; Washington; Heat Pumps; District Heating Systems; Economics
- Location
- Washington
- Conference
- Geothermal Resources Council Transactions
- Year
- 1985
- Session
- Direct use; Computer modeling; Economics; District heating/c
- Language
- English
Abstract
Severn Washington cities with geothermal resource potential were studied for their geothermal district heating favorability. The microcomputer program HEATPLAN, a geothermal district heating assessment tool, was utilized in the studies. The cities, studies, and results are described. The cities range in population from 4,000 to 50,000 with resource temperatures from 70°F to 80°F. The HEATPLAN model described, incorporates the used of heat pumps and peaking boilers in each of the geothermal district heating systems simulated for seven cities. The HEATPLAN analysis assumes pubic ownership and a 25 year loan life. Total costs of the simulated geothermal district heating systems ranged from $9000,000 to $3,7000,000. The estimated cost MMBtu delivered from the geothermal district heating systems is compared with the least expensive conventional fuel available in each of the cities studied.
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