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Time runs left to right. Institutions above; the laws they amended and the indicators they moved below. Hover a dot to highlight its links; select it to open the timeline line.

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1960197019801990200020102020국회산업자원부정부발전자회사지식경제부전기위원회전력거래소한국전력공사발전사업자산업통상자원부기후에너지환경부KEPCO average retail priceSystem Marginal PricePeak demand and reserve marginREC pricesRenewable curtailmentSMP by hour of dayRPS 관리·운영지침재생에너지법전기사업법1961-06-23 Korea Electric Power Company Act Enacted: Three Electric Companies Merged1962-01-01 Electric Utility Act Enacted1973-11-01 Electric Utility Act Repealed and Re-enacted1979-01-01 Act on Special Cases Concerning Electric Power Source Development Enacted1980-12-31 Korea Electric Power Corporation Act Enacted: From Company to Public Corporation1981-12-31 Electric Utility Act Amended: Tariff Approval Procedure1986-05-12 Korea Electric Power Corporation Act Fully Revised1988-01-01 Alternative Energy Development Promotion Act Enacted1989-03-25 Korea Electric Power Corporation Act Fully Revised (1989)1990-01-01 Act on Assistance to Areas Adjacent to Power Plants Enacted1990-04-14 Electric Utility Act Fully Revised (1990)1998-06-14 Alternative Energy Act Fully Revised as the Alternative Energy Development, Use and Supply Promotion Act1999-08-09 Electric Utility Act Amended: Specific Electricity Business Created2000-12-23 Act on Promotion of Restructuring of the Electric Power Industry Enacted2001-02-24 Electric Utility Act Fully Revised: Business Categories and Power Market Introduced2001-02-24 Legal Basis for Korea Power Exchange Established (Electric Utility Act Art. 35)2001-02-24 Korea Electricity Commission Established2001-02-24 Electric Power Industry Basis Fund Established2001-04-02 Korea Power Exchange (KPX) Founded2001-04-02 KEPCO Generation Divided into Six Subsidiaries2002-09-26 Alternative Energy Feed-in Tariff (Base Price) Introduced2004-06-17 Distribution Split and Other Restructuring Halted2005-07-01 Act Fully Revised as the New and Renewable Energy Development, Use and Supply Promotion Act2006-12-26 Settlement Adjustment Factor Introduced2009-11-22 Tariff Approval Clause of Electricity Supply Terms Fully Amended2009-12-31 Power Industry Restructuring Promotion Act Expires2011-09-15 September 15 Rolling Blackout2011-10-01 Legal Basis for Power Trading Settlement Enacted2011-12-31 Feed-in Tariff (FIT) Closed to New Entrants2012-01-01 Renewable Portfolio Standard (RPS) Law Amendment Enacted2013-11-21 Electricity Tariff Raised 5.4% on Average2014-11-25 Demand Response Market Opens2016-12-01 Residential Progressive Tariff Reformed to 3 Tiers2018-12-12 Small-Scale Power Brokerage Business Begins2019-07-01 Summer Progressive Tier Expansion Made Permanent2021-01-01 Cost-Linked Tariff System Introduced2021-01-05 Third-Party PPA Introduced, K-RE100 Takes Effect2021-10-21 Direct Renewable PPA Allowed2022-04-01 Base Fuel Cost and Climate-Environment Charge Raised2022-07-01 Fuel Cost Adjustment Rate +5 KRW, Adjustment Range Widened2022-09-01 Direct PPA Trading Notice Enacted2022-10-01 Energy Charge Raised by a Total of 7.4 KRW/kWh2022-11-30 Emergency Settlement Price Cap (SMP Cap) Introduced2023-01-01 Energy Charge +11.4 KRW, Climate-Environment Charge +1.7 KRW2023-04-11 RPS Annual Obligation Ratio Lowered (2026: 25% to 15%)2023-05-16 Energy Charge Raised 8.0 KRW/kWh2023-08-18 First Low-Carbon Central Contract Market Opens (Jeju Long-Duration BESS)2023-11-09 Industrial (B) Tariff Raised 10.6 KRW/kWh on Average2024-01-17 Tariff Hike Deferral for Vulnerable Households Extended One Year2024-05-24 Clean Hydrogen Power Bidding Market Opens2024-06-01 Power Market Reform Pilot Begins on Jeju2024-06-14 Special Act on Distributed Energy Promotion Enacted2024-07-01 Power Industry Basis Fund levy cut from 3.7% to 2.7% (3.2% for one year)2024-10-24 Industrial Tariff Raised 9.7% on Average2025-03-27 Direct PPA Trading Notice Fully Revised (Storage Sellers Added)2025-05-22 ESS Central Contract Market Expanded to Mainland2025-07-29 Direct PPA Opened to Plants of 1 MW or Less2025-10-01 Ministry of Climate, Energy and Environment Launched2026-04-01 Seasonal Time-of-Use Tariff Option for Mainland Residential Heat Pumps2026-04-16 Seasonal and Time-of-Use Tariff Reform2026-08-26 Regional Industrial Tariff Design Proposal Released2026-08-27 Renewable Direct Power Trading Brokerage Platform Officially Launched2026-09-15 Renewable Energy Act amendment, addenda — REC issuance until end-2026, REC article in force until end-20292026-09-18 New and Renewable Energy Act renamed Renewable Energy Act — new-energy provisions split off2026-12-16 Electricity Business Act amendment — priority grid connection for public-interest renewables of 1 MW or less2027-01-01 Renewable Energy Act amendment — renewable contract market and deployment targets2027-03-16 Electricity Business Act amendment — shared renewable connection facility business

— relations│ institution┆ indicator▭ law (opens the law map)67 rules · 11 institutions · 6 indicators

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