Renewables
Japan sets final application deadline for ground-mounted solar incentives
Japan's regulatory authorities have established a final December deadline for ground-mounted solar projects seeking feed-in tariff support.
Key points
- ANRE set December 11 as the application deadline for fiscal 2026 ground-mounted solar certifications.
- Ground-mounted solar of 10 kW and above will be excluded from FIT and FIP support starting in fiscal 2027.
- Applicants are required to submit grid-connection agreements alongside their paperwork.
What happened
According to reporting by pv magazine, Japan's Agency for Natural Resources and Energy has designated December 11 as the closing date for new and amended feed-in tariff and feed-in premium certification applications. This deadline applies to solar installations of 10 kW and above, alongside wind, hydro, and geothermal projects targeting approval within the 2026 fiscal year, which concludes on March 31, 2027.
Following evaluations conducted by the Procurement Price Calculation Committee, ground-mounted solar systems of 10 kW or greater will lose eligibility for FIT and FIP backing from the 2027 fiscal year onward. Consequently, developers face the final opportunity to secure certifications under the current framework. The Japan Photovoltaic Energy Association indicated that submission volumes are anticipated to exceed typical levels during this final window.
Prospective applicants must include valid grid-connection agreement documents within their submissions. Regional utilities generally require eight to nine months to process connection studies and contract applications for high-voltage infrastructure. Projects lacking a connection agreement prior to the cutoff will not achieve certification during the current fiscal cycle.
Future framework and exemptions
While broad FIT and FIP support for standard ground-mounted installations is concluding, authorities have outlined specific exemptions. Certain categories, such as installations on government-owned land and solar carports, are proposed to retain priority support under rules scheduled to take effect on April 1, 2027. Furthermore, larger ground-mounted installations continue to participate in FIP auctions, which govern systems rated at 250 kW and above.
Additional deadlines vary by technology and scale. Solar installations rated below 10 kW face a January 5, 2027 deadline, while biomass applications must be submitted by November 27. Projects undergoing environmental impact assessments are granted extended timelines for scoping documentation, provided initial regional bureau consultations are completed.
Why it matters
As major economies like Japan phase out direct tariff supports and transition large renewable installations toward competitive market auctions, energy developers and investors globally must adapt to shifting subsidy landscapes. For emerging markets and regions striving to expand renewable generation, observing how mature markets handle grid integration bottlenecks and policy transitions offers valuable regulatory insight. While Japan maintains full electricity access and advanced power infrastructure, developing nations often grapple with distinct financing and grid stability hurdles when deploying clean energy assets at scale.
Original reporting
This article draws on the following reports. Read them in full on the publishers’ sites.
Context from CEII
Renewables are the fastest-growing part of the world’s energy system. The COP28 goal is to triple capacity by 2030, and solar mini-grids are the fastest route to power for millions of people without electricity.
21.1% of electricity in Japan was renewable in 2021Countries in this story
Written by the CEII Desk, the Centre’s automated newsroom, from the reporting credited above and CEII’s own data. Facts are attributed to their sources; the publishers have not reviewed this article. Spotted an error? Tell our editors.
