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Webinar: Japan power market reform 2026 - preparing for the October intraday & imbalance market changes.

Japan's short-term power markets are entering a new phase.

📅 Wednesday, October 28, 2026

⌚ 10:00 CET | 80 minutes including  a 20 min Q&A session

🖥️ Held in English

💶 EUR 149 per attendee

From October 2026, significant changes to the JEPX intraday market and imbalance pricing framework will reshape how market participants manage positions, forecast risk and optimize trading strategies.

The transition introduces increased intraday market transparency through regional order book disclosure, a new API-based trading environment, and stronger incentives to actively balance portfolios through the intraday market.

Join Volue's Japan market experts for a practical session explaining what is changing, why it matters, and how market participants can prepare.

Key topics covered

1. Why these reforms are happening

  • Policy objectives behind the October reforms
  • Relationship between balancing market reforms and intraday market redesign
  • Comparison with developments seen in European markets 

2. JEPX intraday market redesign

  • New trading architecture
  • Transition to API-based trading
  • Operational requirements for market participants
  • Expected impacts on liquidity and market behavior

3. Five-zone intraday transparency

  • What information will become visible
  • Understanding regional order books
  • Where congestion and regional price signals may emerge
  • Examples of potential market impacts

4. Imbalance pricing and risk exposure

  • Increase of the scarcity price cap to 300 JPY/kWh
  • Implications for retailers and balancing groups
  • Why intraday optimization becomes more important
  • Potential impact during tight supply periods

5. Trading and forecasting implications

  • How trading strategies may need to change
  • Forecasting requirements under the new framework
  • Opportunities for batteries, flexible load and aggregation
  • Lessons learned from European market evolution

Who should attend

This session is designed for:

  • Electricity retailers
  • Power generators
  • Trading desks
  • Asset operators
  • Aggregators
  • Battery developers
  • Renewable energy companies
  • Market analysts
  • Risk managers
  • Technology providers supporting Japanese power markets

Learning outcomes

After attending, participants will:

  • Understand the October 2026 market changes
  • Identify potential impacts on trading and portfolio management
  • Understand new intraday market transparency mechanisms
  • Assess exposure to the revised imbalance regime
  • Learn practical preparation steps before implementation
  • Gain insights into likely behaviours after go-live

Speakers

Fumi Kumagai (Senior Market Expert for Japan)