Flexible (non-firm) connection

non-firm access

Rule

A flexible connection lets more generation onto the grid than its hosting capacity, on the condition that it is curtailed first when the grid overloads.

Until now, connection decisions assumed every plant ran at full rated output. Solar reaches that for only a few hours a year, so the grid sat half-empty most of the time.

In its September 2026 plan the government raised the solar limit per distribution line from 14 MW to 16 MW and per substation from 50 MW to 60 MW, from January 2027. In exchange, plants connected early this way are curtailed first when the grid is saturated.

Sources

  1. 기후에너지환경부 보도자료 「2030년 재생에너지 100GW 이상 수용하도록 전력망 체계 혁신한다」(배포 2026-09-28) p.2 — 유연접속 본격화
  2. 기후에너지환경부 보도자료 「2030년 재생에너지 100GW 이상 수용하도록 전력망 체계 혁신한다」(배포 2026-09-28) p.13 — 유연접속 설비 우선 제어·시행 시기

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