skip to main contents skip to main menu

Government Legislation

  • [Environment] Management and Operation Guidelines for the Renewable Energy Supply Obligation and Fuel Mix Obligation Systems
    • Competent Ministry : Ministry of Trade, Industry and Energy
    • Advance Publication of Legislation :
    • Opinion Submission Deadline :

1. Reason for the Amendment

The amendment to the biomass supply certificate (REC) weighting is in response to the joint effort by the Ministry of Environment and other relevant ministries to establish the "Biomass Fuel and Power Market Structure Improvement Plan" ('24.12).


2. Key Provisions

a. Revision of Biomass Supply Certificate (REC) Weighting (Amendment to Annex 2, Addition of Annex 2-4)

  • The weighting for woody biomass fuels (wood pellets, chips, unused wood pellets, chips, Bio-SRF) will not apply to new biomass facilities.

  • The weighting for wood pellets and chips will be reduced for existing biomass facilities:

    • (Group I Supply Obligation)  For combustion facilities, the weighting will be adjusted sequentially from 2025 to 2027 ('25: 1.0 → '26: 0.75 → '27 onward: 0.5).

    •  For co-combustion facilities, weighting will be adjusted starting in 2025 (0). For other power producers, adjustments will be made starting in 2026 (with a 1-year grace period) based on operational years.


b. Updating the Definition of Unused Forest Biomass (Amendment to Article 3)

  • The amendment reflects changes in related laws, including the revised "Sustainable Use of Wood Act."


Regulatory effect assessment
  • 신·재생에너지 공급의무화제도 및 연료 혼합의무화제도 관리·운영지침(규제영향분석서)_20250109.hwp [download]
Legislative proposal (draft)
  • 5. (행정예고안) 신재생에너지 공급의무화제도 및 연료 혼합의무화제도 관리운영지침 일부개정안.hwp [download]