Initiating Preparations for an Environmental Impact Assessment as Part of Reviewing Plans to Replace Sodegaura Thermal Power Station2025/06/18
JERA Co., Inc. hereby announces that it has begun preparing for an environmental impact assessment as part of its review of plans to replace aging facilities at its Sodegaura Thermal Power Station with state-of-the-art gas turbine combined cycle power generation facilities that will contribute to reducing CO2 emissions.
By replacing aging thermal power generation facilities with those that are state-of-the-art, JERA will contribute to ensuring a stable domestic supply of electricity over the long term and to achieving a decarbonized society.
Overview of the Sodegaura Thermal Power Station Replacement Plan Being Reviewed
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Existing Facility (Current) |
After Replacement*1 |
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Location |
2-1 Nakasode, Sodegaura City, Chiba Prefecture |
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Generation Type |
Steam (Unit 1–4) |
Gas Turbine Combined Cycle (New Units 1–3) |
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Generation Capacity |
Unit 1: 600MW (long-term planned shutdown) *2 Unit 2: 1,000MW Unit 3: 1,000MW Unit 4: 1,000MW |
Approx. 2,600MW |
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Fuel |
LNG |
LNG |
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Start of Operation |
Unit 1: August 1974 (long-term planned shutdown) Unit 2: September 1975 Unit 3: February 1977 Unit 4: August 1979 |
New Units 1–3: FY 2032 or later |
*1 Post-replacement power generation facilities are still being reviewed and may change based on further deliberation.
*2 The existing unit1 has been under long-term planned shutdown since February 2023.