Data on Japan's power and infrastructure markets

389,605 facilities and 109,034 MW certified under the FIT and FIP schemes, from METI's public register, snapshot of 2026-10-31. METI publishes a new snapshot about once a month; we check for it every week.

Source: METI 事業計画認定情報 公表用ウェブサイト (fit-portal.go.jp). The register does not say whether a facility is under FIT or FIP.

• 2026-11-14PR TIMES

  Sun Village Promotes Battery Storage Addition at FIP-Converted Solar Power Plant

  Sun Village Co., Ltd. is adding a battery storage system to the Sendai Kamiaiko Power Plant, owned by its group company SVC, which has already switched from the FIT scheme to the FIP scheme. The battery system uses a Daihen PCS and CATL batteries with JC-STAR★1 certification, integrated with Sun Village's in-house SV Gateway control system; construction completion is scheduled for March 2027.

  • under construction
  • 宮城県仙台市
  • 2.4 MWh
  • 株式会社サンヴィレッジ
  • 株式会社SVC
  • ダイヘン
  • CATL
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• 2026-11-14日経BP

  Nihon Chikudenchi to open storage plants in Saga and Wakayama, adopting CATL batteries

  Nihon Chikudenchi said its NC Karatsu Hamagyo grid storage plant in Saga Prefecture began operating in the demand-supply adjustment market on November 6, 2026, using CATL batteries. A second plant, NC Kainan Kizu in Wakayama Prefecture, began receiving power on November 9 and plans to enter the adjustment market around February 2027. A third project, NC Arao Fuhon in Kumamoto Prefecture, had its storage batteries installed on October 28.

  • operating (Karatsu, began adjustment-market operation); receiving power (Kainan); installed (Arao)
  • 佐賀県唐津市、和歌山県海南市、熊本県荒尾市
  • 日本蓄電池
  • CATL
  • ダイヘン
  • クラフティア
  • デジタルグリッド
  • リミックスポイント
  • TMEIC
  • ワイ・ジャスト
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• 2026-11-14PR TIMES

  What Role Does Battery Storage Play in a Power Grid Not Connected to the Mainland? Japan Branding to Hold Webinar on the Miyako Island Case

  Japan Branding Co., Ltd., the Japanese sole agent for GUS Technology batteries, announced an online webinar in mid-December 2026 on grid-scale batteries, using Okinawa Electric Power's Miyako Island battery as the case study. Okinawa Electric Power began commercial operation of the Miyako Second Power Station supply battery on July 30, 2025, its first supply-capacity storage battery, rated 12,000 kW and 48,000 kWh.

  • operating
  • 沖縄県宮古島市
  • 12 MW
  • 48 MWh
  • ジャパンブランディング株式会社
  • GUS Technology（格斯科技）
  • 沖縄電力
  • ウエストホールディングス株式会社
  • 一般社団法人 全国太陽光発電推進協議会
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