Trend of Geothermal Development and Utilization for the Year of 1979

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In 1979, all geothermal power plants were in successful operation with the performance records as shown in Table 1. Among these plants, Hatchobaru Geothermal Power Plant (No. 172 in Figure 1) had an insufficient steam output at the commencement of operation, thus allowing a licensed capacity of less than 50 MW for the facilities, but new wells were dug successively and licensed capacity was raised to 48 MW in the latter half of 1979. Thereafter it reached 50 MW in March and then 52 MW in April of 1980 as steam production wells became complete. Operation factor exceeded 90 percent ... continued below

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7-57-7-62

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Iga, Hideo & Baba, K. December 1, 1980.

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Description

In 1979, all geothermal power plants were in successful operation with the performance records as shown in Table 1. Among these plants, Hatchobaru Geothermal Power Plant (No. 172 in Figure 1) had an insufficient steam output at the commencement of operation, thus allowing a licensed capacity of less than 50 MW for the facilities, but new wells were dug successively and licensed capacity was raised to 48 MW in the latter half of 1979. Thereafter it reached 50 MW in March and then 52 MW in April of 1980 as steam production wells became complete. Operation factor exceeded 90 percent for each plant, going in the neighborhood of 100 percent. Load factor was also more than 80 percent for every plant except Otake Geothermal Power Plant (No. 172 in the figure) which had a decrease in load factor due to periodic repairs, thus recording far higher factors than those of other conventional thermal or nuclear power plants. At present, Mori Geothermal Power Plant (tentative name, No. 110 in the figure) located in the southern part of Hokkaido where several steam production wells have been completed, is under construction with an aim of starting operation in 1981. Japan Metals and Chemicals Co.,Ltd, is constructing the steam generating facilities and Hokkaido Electric Power Co., Inc. is building the power plant. The installed capacity is estimated at 50 MW. To this end, 14 production wells and 7 injection wells are to be dug.

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7-57-7-62

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  • Proceedings of the Fourth Annual Geothermal Conference and Workshop, Conference Proceedings, December 1980

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  • Report No.: EPRI-TC-80-907-36
  • Grant Number: None
  • Office of Scientific & Technical Information Report Number: 892255
  • Archival Resource Key: ark:/67531/metadc883872

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  • December 1, 1980

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  • Sept. 21, 2016, 2:29 a.m.

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  • Dec. 2, 2016, 4:20 p.m.

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Iga, Hideo & Baba, K. Trend of Geothermal Development and Utilization for the Year of 1979, article, December 1, 1980; United States. (digital.library.unt.edu/ark:/67531/metadc883872/: accessed August 16, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.