Tokyo-based PowerX, Inc. (energy company) has commenced procurement of electricity from Wind Park Misato, an onshore wind facility located in Tsu City, Mie Prefecture, marking the company's entry into sourcing so-called post-FIT power, electricity generated by plants whose guaranteed purchase periods under Japan's Feed-in Tariff program have expired.

A Wind Farm That Has Outlasted Its FIT Contract

Wind Park Misato is owned by C-Tech Corporation, headquartered in Nagoya City, Aichi Prefecture, and has a rated capacity of 16,000 kW drawn from eight individual turbines, each rated at 2,000 kW.

The facility began operation in 2006 and subsequently entered Japan's Feed-in Tariff program, which guarantees that electricity generated from renewable sources is purchased at a fixed price for a defined period, in the case of wind power, 20 years. That purchase period has now run its full term, giving the plant post-FIT status.

Under Japan's FIT framework, once the guaranteed purchase window closes, the power generated is no longer subject to the fixed-price arrangement, and plant operators must find alternative buyers in the open market.

For Wind Park Misato, that buyer is now PowerX, through an arrangement facilitated by Renewable Energy Promotion Organization, Inc., known as REPO, which is acting as the wind aggregator in the deal.

Structure of the Procurement Arrangement

REPO will supply 4,000 kW of Wind Park Misato's total 16,000 kW output to PowerX. The procurement period runs from June 2026 through May 2029, a three-year window during which PowerX will direct the electricity toward its corporate customer electricity service.

PowerX is headquartered in Tamano City, Okayama Prefecture, and is led by Director, President, and CEO Masahiro Ito. The company trades on the Japanese securities market under the code 485A. C-Tech Corporation, the plant owner, is led by President Daisuke Shimohiro.

Strategic Rationale: Wind as a Complement to Solar-Heavy Supply

PowerX has framed the procurement as part of a deliberate effort to broaden its renewable energy supply away from an overreliance on solar generation. The company specifically cited wind power's ability to generate electricity at night and to deliver more stable output as qualities that make it a useful complement to solar, which is inherently limited to daylight hours and subject to weather variability.

By incorporating post-FIT wind into its supply portfolio, PowerX said it aims to contribute to keeping electricity prices stable for its corporate customers, alongside expanding the overall renewable content of what it offers.

Post-FIT Volume Expected to Surge After 2032

The timing of this deal sits within a broader structural shift anticipated in Japan's renewable energy sector. Because the FIT program's 20-year purchase guarantees were extended to a large wave of wind and solar projects from around 2012 onward, the volume of power plants reaching the end of their FIT contracts is expected to grow substantially from 2032 onward. PowerX indicated it is positioning itself to take advantage of that anticipated increase in post-FIT supply.

The company stated that it plans to source a wide range of post-FIT power going forward, with wind serving as the starting point for that strategy. The logic is that wind's generation profile, capable of operating continuously regardless of the time of day, makes it a foundational component in building a more balanced and reliable renewable supply base.

A Niche but Growing Corner of Japan's Energy Market

Post-FIT power represents a relatively nascent but expanding segment of Japan's electricity market. Once plants exit the FIT program, they are no longer supported by the government-backed purchase guarantee and must compete in market conditions. For plant owners, securing offtake agreements with retailers or corporations becomes essential to the continued commercial viability of their assets.

For electricity retailers like PowerX, procuring post-FIT power can offer pricing flexibility that differs from power still under FIT contracts or purchased through other channels. The growing pipeline of post-FIT assets is expected to give retailers more options to build diverse renewable portfolios in the years ahead.

Wind Park Misato, having commenced operation in 2006 and now operating outside its FIT period, represents exactly the type of legacy renewable asset that is beginning to populate this segment of the market. With eight turbines and a combined capacity of 16,000 kW, the facility remains an active generator nearly two decades after it first came online.

Company Background

PowerX is an energy company based in Tamano City, Okayama Prefecture, that provides electricity services to corporate customers. C-Tech Corporation, the owner of Wind Park Misato, is based in Nagoya City, Aichi Prefecture. Renewable Energy Promotion Organization, Inc., serving as wind aggregator in the transaction, is facilitating the flow of power between the plant and PowerX under the terms of the three-year procurement agreement.

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