updated 2026-10-22
RE100
K-RE100 · 100% renewable electricity
RE100 is a voluntary campaign in which companies pledge to source 100% of their electricity from renewables.
RE100 (Renewable Electricity 100%) is a corporate campaign run by an international non-profit. It is not a legal duty; companies set the target themselves.
Korea introduced 'K-RE100' in 2021. At launch the accepted routes were a green premium, third-party power purchase agreements (PPAs), buying RECs and self-generation; direct PPAs followed in October that year. The Korea Energy Agency issues a 'renewable energy use certificate'.
How to read it: RE100 is not RPS. RPS is a legal obligation on large generators; RE100 is a voluntary pledge by companies that buy electricity.