Shulman Advisory

Kyushu T&D Launches Japan’s First 15-to-30-Minute Curtailment Control System

Publication date: June 5, 2026 Kyushu T&D Launches Japan’s First 15-to-30-Minute Curtailment Control System Kyushu Electric Power Transmission and Distribution (T&D) is strengthening measures to reduce renewable energy curtailment. Curtailment refers to a measure in which transmission system operators (TSOs) control power generation output to balance electricity demand and supply. Due to its sunnier weather …

Japan Shifts to Annual Revisions of Wheeling Charges Under Revenue Cap System

Publication date: May 4, 2026 Japan Shifts to Annual Revisions of Wheeling Charges Under Revenue Cap System The Electricity and Gas Market Surveillance Commission (EGC) plans to revise wheeling (transmission) charge calculation methods under the revenue cap system for the second regulatory period (FY2028–FY2032), shifting from the current flat five-year structure to annual revisions. The …