In 2023, the length of Power Purchase Agreements (PPAs) for wind energy in Japan stood at 25 years. The forecast from 2024 to 2028 shows a steady annual increase, with the PPA length reaching 29 years by 2028. Year-on-year growth indicates a consistent increase of approximately 3.7% from 2023, tapering to 1.8% by 2028. The Compound Annual Growth Rate (CAGR) over this five-year period reflects a gradual expansion of around 3.7% annually.

Future trends to watch for include:

Potential policy changes or incentives supporting renewable energy that could further extend PPA terms.
Technological advancements in wind energy that might impact contract durations and terms.
Market dynamics such as demand shifts or economic factors influencing PPA agreements.