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Introduction to Genkai Nuclear Power Station Introduction to Genkai Nuclear Power Station Introduction to Genkai Nuclear Power Station Publisher: Environmental and Public Relations Group Genkai Nuclear Power Station Kyushu Electric Power Co., Inc. Phone: 0955-52-6821 For more information about the Genkai Nuclear Power Station, visit http://www.kyuden.co.jp/genkai-index.html Issued in September 2019 Outline of Genkai Nuclear Power Station Introduction Introduction Compared with oil and other energy sources, nuclear power offers numerous advantages, including a stable supply of Japan’s energy supply resources, harmony with the environment, and superior economy. Genkai Nuclear Power Station began commercial operation in October 1975 with the startup of the No. 1 Unit. Since then, Genkai Power Statio Outline of we have constructed three additional units to meet the growing demand for electric energy. As a result of those expansions, Ensuring a stable supply of electricity Genkai’s output rose to 3,478 megawatts. Japan is a resource-poor country with an The No. 1 and No. 2 units subsequently ceased operation on April 27, 2015, and April 9, 2019, respectively, bringing the ■Energy self-sufficiency energy self-sufficiency rate of just 8%. current total output to 2,360 megawatts. 188 Because we depend on imports for most All of Genkai’s employees will continue to work together to accomplish the planned decommissioning of the No. 1 and No. (%) 174 energy resources in a process that is highly 2 Units as well as the safe, stable operation of the No. 3 and No. 4 Units while ensuring that safety remains the top priority. System susceptible to global conditions, ensuring 100 Japan depends on overseas 92 energy security is a top priority. Additionally, sources for 92% of its primary 84 Electric power sales and peak power the need to reduce emissions of greenhouse energy needs (Hundreds of millions of kWh) (Tens of thousands of kW) gases such as carbon dioxide in order to deal 66 2,000 with global warming remains a pressing and 56 50 1,400 Power Station Inside the enduring issue. 39 Energy sold 1,585 Consequently, it is necessary to combine Maximum power (right axis) 24 19 1,200 nuclear, thermal, and renewable energy with 1,500 an overriding focus on safety based on factors 8 0 such as the need to ensure a stable of energy Japan South Italy Germany France UK China U.S.A. Canada Russia 1,000 over the long term while addressing global Korea Notes 1: The IEA includes nuclear power when calculating the energy self-sufficiency rate since Safety Securing 768 environmental problems. uranium, which nuclear power plants use as fuel, can be used for several years after being 800 imported. 1,000 Note 2: Energy self-sufficiency rate (%) = Domestic production / Primary energy supply × 100 Note 3: Countries except Japan, FY2015; Japan, FY2016 (estimated) Sources: “World Energy Balances 2017” (IEA), “Graphical Flip-chart of Nuclear & Energy Related 600 Topics” (Japan Atomic Energy Relations Organization) FY1951 (year of company’s founding) ■CO2 emissions by energy source (㎏-CO2/kWh) Energy sold: 4.1 billion kWh countermeasures Serious incident 400 Maximum power: 830,000 kW 500 1.2 Fuel combustion for power generation Facilities, operation 200 1.0 0.943 0.8 0 0 0.738 plan Decommissioning 1951 1960 1970 1980 1990 2000 2010 2017 0.599 Note: Maximum power figures for FY1951 to FY1967 reflect the maximum power at the generating end; for FY1968 to FY2015, (Fiscal year) 0.6 the maximum three-day average power at the transmission end; and for FY2016 to FY2017, the maximum power at the transmission end for the Kyushu area. 0.864 0.474 Kyushu Electric Power Data Book 2018 ■Balanced Diversification of Power Sources 0.4 0.695 0.476 Kyushu Electric Power strives to combine a variety of power sources in order to deliver an optimal mix based on 0.376 considerations including stability of fuel procurement, generating cost, and environmental impact. A typical mix during 0.2 Zero CO2 emission during generation Monitoring peak power demand in the summer would be nuclear and coal-fired generation for baseload, LNG-fired generation for 0.079 0.123 0.098 0.038 0.026 0.019 0.013 0.011 middle load, and oil-fired generation for peak load. We’re also maximizing use of solar and wind as we accommodate 0.0 0.043 Coal Oil LNG LNG Solar Wind Nuclear Geothermal Scalehydroelectric power demand. (combined cycle power plant) power generation Source: Central Research Institute of Electric Power Industry (CRIEPI) Report (July 2016) Power source diversification plan (including power purchased from other utilities) * The calculation of CO2 discharge includes all energy consumed in burning fuel for generation electricity as well as in mining raw materials, construction of facilities, transportation of fuel, refining, operation, and maintenance, etc. Composition of generated output Other*2 Treatment Waste Composition of installed capacity Japan Electric Power （％） （％） *As for nuclear power generation, CO2 emissions are calculated by averaging the energy consumed by Japan’s proposed domestic reprocessing of spent nuclear 1 Exchange 100 2 100 fuel, known as plu-thermal use (assuming one recycling), disposal of high-level radioactive waste, and other uses. Figures are tallied for boiling water reactors 8 5 7 0.4 Hydro (30,000 kW or greater) 14 4 (BWR; 0.019 kg-CO2) and pressurized water reactors (PWR; 0.020 kg-CO2) and adjusted based on the total installed capacity for each type of facility. 16 17 28 New energy*1 16 25 Coal-fired 80 80 27 14 32 18 The mechanism for global warming 1 17 Hydro 19 A characteristic of carbon dioxide and other greenhouse effect gases is that they absorb infrared rays and other sources of 1 1 14 Activities Community 20 LNG and other gas 60 60 19 18 heat while letting visible light through. If the amount of greenhouse gases rises, it is believed that heat will be trapped inside 19 19 Coal-fired 7 Oil, etc. 12 0.2 the atmosphere and lead to global warming. Geothermal 2 FIT electricity 1 7 12 1 Renewable energy Infrared rays Sunlight Infrared rays Sunlight 40 25 LNG and 40 2 39 18 5 (except FIT electricity) 23 21 other gases ases ases Oil, etc. 48 ect g ect g eff eff 20 11 20 se se 39 ou ou Surrounding Region Guide to the A (Geothermal) 34 Nuclear h h 26 23 15 en en 23 (New energy) re re Nuclear G G 16 2 (Nuclear: 0) Rising sea 5 0 0 levels Atmosphere Increased Atmosphere FY1997 FY2010 FY2014 FY2018 FY1997 FY2010 FY2014 FY2018 Earth Earth desertification [Actual] [Actual] [Actual] [Actual] [Actual] [Actual] [Actual] [Actual] *1: Solar, wind, biomass The naturally occurring greenhouse effect If the amount of greenhouse effect gases increases *2: Electricity procured from other companies 1 2 Outline of Genkai Nuclear Power Station Outline of Genkai Nuclear Power Station Introduction Tsushima ■ Sasuna 5,100 To Chugoku Electric Power Co., Inc. Toyotama 50,000 ■ Shin-kokura Genkai Power Statio Outline of 1,800,000 Ashibe 15,000 ■ ■ Oronoshima 330 Izuhara 6,600■ Iki ■Shin-iki 24,000 Karita 360,000 Buzan 1,000,000 Genkai NPS 2,360,000* System Matsuura 700,000 Yanagimata 63,800 Takigami 27,500 Uku 3,000 ■ ▲ Ainoura Tenzan Otake Shin-oita 2,825,000 875,000 600,000 12,500▲ Matsubara ▲ 50,600 Hatchobaru 110,000 Unit 2 Unit 4 Unit 3 ■ Hatchobaru Binary 2,000 Power Station Inside the Unit 1 Shin-arikawa 60,000 ■ Iwayado Fukue No. 2 52,000 21,000 Tsukabaru 63,050 Reihoku Kamishiba Ohira Morozuka 50,000 1,400,000 93,200 500,000 Kuchinoshima 170 ■ Safety Securing Hitotsuse Omarugawa ■Nakanoshima 300 180,000 1,200,000 Tairajima 150 ■ ■Suwanosejima 220 Sendai 1,000,000 Tokara Islands Koshikijima ▲ Ogiri Oyodogawa No. 2 250 25,800 71,300 Koshikijima No. 1 Akusekijima 150 ■ countermeasures Serious incident 13,250 ■ Oyodogawa No. 1 Sendai NPS 55,500 1,780,000 Kodakarajima 110 ■ Nomamisaki 3,000 Takarajima 200 ■ Tatsugo 60,000 ■ Kikaijima plan Decommissioning ▲ Yamagawa 30,000 Naze 21,000 ■ ■ Shin-kikai Kuroshima 320 ■ 10,600 ■ Takeshima 190 ■ ■ Amami Oshima Kikai 2,100 Ioujima 300 ■Tanegashima No. 1 Koniya 4,750 ■ Legend 16,500 Outline Hydroelectric power station Tanegashima (50 MW or over) ■ Kuchinoerabujima 300 ■ Shin-tokunoshima 21,000 ■ Shin-tanegashima Pumped storage hydroelectric Monitoring Unit 1 Unit 2 Unit 3 Unit 4 power station 24,000 Yakushima ■ Kametsu 7,500 Thermal power station Tokunoshima Amami Islands Site Imamura, Genkai-cho, Higashi Matsuura-gun, Saga Pref. Nuclear power station ▲ Geothermal power station Okinoerabujima ■ Internal combustion power stations Shin-china 19,100 ■ Site area 870,000 m2 (approx.) Wind power station Main substation Transmission line (500 kV) Treatment Waste Generated 559 MW 559 MW 1180 MW 1180 MW Yoronjima output Transmission line (220 kV) *Output for the No. 3 and No. 4 Units is shown as Shin-yoron 5,600 ■ ■Yoron 2,210 Other company's transmission line the Genkai No. 2 Unit ceased operation in April 2019. (As of March 31, 2019) Reactor Pressurized water reactor (PWR) Figures for power plants indicate output (kW). Type Thermal 1650 MW 1650 MW 3423 MW 3423 MW output Activities Community Low-enriched uranium dioxide Flow of electricity Low-enriched uranium dioxide (approximately 4%), mixed Fuel type (approximately 4%) uranium-plutonium oxides Fuel Surrounding Region Guide to the A 89 tons (approx.) 89 tons (approx.) Transmission Distribution Service capacity line line line Start of October 1975 March 1981 March 1994 July 1997 operation Power station Steel tower Substation Pole transformer Homes, etc. End of April 2015 March 2019 operation 3 4 Outline of Genkai Nuclear Power Station System of Nuclear Power Station Introduction System Reactor Pressure Steam Generator The type of reactor used at Genkai Nuclear Power Station is called a pressurized water reactor (PWR).
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