Japan Energy Market Intelligence

Data on Japan's power and infrastructure markets

Grid-scale battery storage projects, half-hourly JEPX prices by area, and every renewable facility certified under FIT and FIP. Each dataset links back to its source. Data centres, PPAs and simulation tools are being added.

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BESS projects tracked445
BESS power5,053MW
BESS energy18,593MWh
FIT / FIP facilities389,736
FIT / FIP certified capacity109,241MW
Last updated12 Nov2026
Coverage

Datasets and tools

LiveBattery storage系統用蓄電所

Grid-scale battery projects with developers, grid area, capacity, COD and sources.

In developmentData centresデータセンター

Data centre projects in Japan, with location, capacity and power supply.

LiveJEPX power markets日本卸電力取引所

Spot, intraday, FIP reference and imbalance prices from the Japan Electric Power Exchange, by area.

LiveRegional supplyエリア需給実績

Half-hour demand and generation mix for Japan’s nine mainland grid areas.

LiveGeneration outagesHJKS

Planned and forced generator outages, deratings, expected return dates and update history.

LiveBalancing marketEPRX

Preliminary and final balancing-market results for all seven products, by metric and grid area.

In developmentPPA & tolling電力購入契約・トーリング

Offtake agreements for storage and renewables in Japan: PPAs, tolling and capacity contracts, with counterparties, terms and sources.

LiveFIP / FIT固定価格買取・フィードインプレミアム

Renewable facilities certified under FIT/FIP, plus OCCTO auction winners, prices and awarded capacity.

LiveBESS simulation蓄電所シミュレーション

Model battery revenue and dispatch against market prices.

Power prices

JEPX day-ahead · 12 Nov 2026

Open JEPX prices →
System price, daily average29.82JPY/kWh▼ 0.61 vs previous day
Low – high8.17 – 41.99JPY/kWh
Cheapest area20.92JPY/kWhKyushu
Priciest area34.26JPY/kWhTokyo
System price by half-hour00:0012:0024:00
Renewables

FIT / FIP certified facilities

Open facilities register →

389,736 facilities and 109,241 MW certified under the FIT and FIP schemes, from METI's public register, snapshot of 2026-09-30. METI publishes a new snapshot about once a month; we check for it every week.

By technology

  • Solar58,306 MW383,316 facilities
  • Wind20,449 MW3,619 facilities
  • Biomass15,018 MW1,172 facilities
  • Other12,385 MW15 facilities
  • Hydro2,872 MW1,511 facilities
  • Geothermal211 MW103 facilities

Certified capacity by year

MW by year of first certification, facilities still listed.
’12’14’16’18’20’22’24’26

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.

News

Latest news

All news →
  • 2026-11-12Dellows News

    Nippon Chikudenchi Signs Project Finance Agreement with SMTB Lease for Grid-Scale Battery Storage Business

    Nippon Chikudenchi Co., Ltd. signed a non-recourse project finance agreement with SMTB Lease Co., Ltd. as senior lender, through its jointly funded SPC GK NC Pioneer, to finance a grid-scale battery storage business covering seven high-voltage storage facilities distributed across Japan. The company describes the deal as an important milestone for expanding its grid-scale battery business.

    • 全国（7件、所在地の個別記載なし）
    • 日本蓄電池株式会社
    • 株式会社リミックスポイント
    • 株式会社ecoプロパティーズ
    • 合同会社NCパイオニア
    • SMTBリース株式会社
    Read the full story →
  • 2026-11-11VOIX

    Remix Point completes power reception at fifth of seven planned battery storage sites nationwide

    Remix Point began receiving power at the NC Kainan Kizu battery storage facility in Kainan, Wakayama Prefecture, on November 9, 2026, its fifth completed site among seven planned joint projects with Nihon Chicku Denchi. The 2 MW / 8 MWh grid-scale system targets grid balancing (adjustment market) entry around February 2027.

    • 受電開始（系統用蓄電所、需給調整市場参入は2027年2月頃を目標）
    • 和歌山県海南市（他: 岐阜県揖斐郡揖斐川町、長野県長野市）
    • 2 MW
    • 8 MWh
    • リミックスポイント
    • 日本蓄電池株式会社
    • 合同会社NCパイオニア
    • CATL
    • TMEIC（東芝三菱電機産業システム）
    • オリックス
    • パワーエックス
    Read the full story →

    Also reported by:PR TIMES

    Attached to:NC長野市上ケ屋蓄電所 →
  • 2026-11-10Infoseek

    Operations begin at grid battery storage facility No. 2

    Grome Holdings (TSE Growth, code 8938) announced that its consolidated subsidiary Fukuyama Iryoki has started operating the No. 2 grid-scale battery storage facility (GM Nishikata Kanai 2465 storage station) in Tochigi City, Tochigi Prefecture. An aggregator completed bidding into the temporary adjustment capacity market on November 3, 2026, and operation began November 4, 2026. The company says the impact on its FY ending March 2027 results is still being examined.

    • operating
    • 栃木県栃木市西方町金井
    • グローム・ホールディングス株式会社
    • 福山医療器株式会社
    Read the full story →

Recently updated projects

View registry →
OLY Power Storage 三室町Tokyo · Isesaki-shi, GunmaOperating2 MW / 7.4 MWh自然環境浄化センター蓄電所Tokyo · Kashiwazaki-shi, NiigataOperating1 MW / 8 MWhPacifico Energy Shiroishi Battery Storage Facility≈パシフィコ・エナジー白石蓄電所Hokkaido · HokkaidoOperating2 MW / 8 MWh西仙台変電所周波数変動対策蓄電池システム実証事業Tohoku · MiyagiOperating20 MW / 20 MWh北豊富変電所Hokkaido · Toyotomi-cho, Teshio-gun, HokkaidoOperating240 MW / 720 MWh
Membership

Full access for members

Sign in to see the full battery storage registry with every participant, the FIT / FIP facility register and JEPX price history, with the source behind each data point.

  • Full battery storage registry and project pages
  • Company and SPC records across projects
  • The full FIT / FIP facility register, with parcels and operators
  • JEPX price history since 2005, the price explorer and CSV downloads
  • BESS simulation over any period up to a year, in every area
  • Source articles for every data point
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