Open company graph database — free web & API
Login

Tokyo Electric Power Grid Co., Ltd.

東京電力パワーグリッド株式会社TEPCO Power Grid, Incorporated (TEPCO Power Grid)Alias
Ticker
—
Listed market
—
Country
Japan
Employees (non-consolidated)
—
Related companies
70
§01

Basic information

BASIC
Head office
1-1-3 Uchiokochō, Chiyoda-ku, Tokyo 100-8560, Japan
Chief executive
Toshinori Kaneko
Capital
80,000,000,000  (800 100 million)
Employees (non-consolidated)
Employees (consolidated)
Start date
2015-04-01
End date
§02

Websites

1 DOMAINS
§03

Business

51
General Transmission and Distribution BusinessReal Estate Rental BusinessPower Generation Business in Remote IslandsB Route ServiceStable SupplyEfficiency and Cost ReductionTechnical CapabilityRenewable EnergySmart MeterSmart GridInternational BusinessChange of Electricity SupplierFixed-Price Purchase System ProceduresMaterial ProcurementUtility Pole Site Fee and Web Response ServiceLow-Voltage B Route ServiceUtility Pole Relocation ApplicationsElectrical Equipment Safety Inspection ServiceMeter and Incoming Line Removal ApplicationVarious Information for Island RegionsElectricity Disaster Prevention InformationComprehensive Disaster Prevention ServiceElectricity Energy Saving InformationHigh-Voltage B Route ServiceSubmission of Harmonic Outflow Current Calculation SheetPulse ProvisionPurchase Contract (FIT)New Service for High-Voltage CustomersTechnical Support for Special High-Voltage Electrical EquipmentFinal Guarantee Supply ContractService for Retail Electricity ProvidersOn-Call Service During Power Outage of High-Voltage Electrical EquipmentProcedure for Changing Electricity SupplierApplication for New InstallationOverview of Low-Voltage Supply ApplicationOverview of High-Voltage and Special High-Voltage Supply ApplicationProcess of Electricity Usage ApplicationRenewable Energy Purchase Record Notification ServiceOverview of Purchase Contract (FIT) ApplicationProcedure for Transfer ServiceAncillary ServicesElectricity Volume Adjustment SupplyRegarding Power Connection ProjectsAdjustment Power Sources, etc.Supply-Demand Adjustment MarketContracts Regarding Utilization of Excess CapacityProcedures for Specific MeteringApplication for High-Voltage B Route ServiceApplication for Pulse ProvisionProcess Visualization SystemProcedures for Distribution Business System
§04

Related companies

70 COMPANIES
Company name Group Parent Subsidiary Customer Supplier Alliance Bank Shareholder
Green Bolt Holdings
Group
Graystones Ordable RL Offshore Wind Farm Company
Group
Seed Dragon Offshore Wind PTTY W Co.
Group
SeedDragon Holdings
Group
Viet Hydro Company
Group
White Cross Offshore Wind Holdings
Group
Taiwan Offshore Wind Co.
Group
Kunchana Energy Restari Corporation
Group
Vietnam Power Development Co.
Group
Dahlia Energy Corporation
Group
House Plus Housing Guarantee Corporation
Group
Evergreen Marketing Co., Ltd.
Group
Miraieno-shima LLC
Group
Senos Offshore Wind Farm Company
Group
LIXIL TEPCO Smart Partners Co., Ltd.
Group
FamilyNet Japan Inc.
Group
Tokyo Power Corporation
Group Subsidiary
Tokyo Metropolitan City Service Co., Ltd.
Group
Tokyo Energy Alliance Co., Ltd.
Group
Showei Electric Industry Co., Ltd.
Group
TEPCO Home Tech Co., Ltd.
Group
Grid Skyway Limited Liability Business Cooperative
Group
PinT Corporation
Group
T&T Energy Co., Ltd.
Group
Great Stones Offshore Wind Holdings
Group
テトラ・スパー・デモンストレータ
Group
Trident North Office Co.
Group
North Connect Corporation
Group
フローテーション・エナジー・タイワン
Group
Prime Solutions Inc.
Group
Koyasu Geothermal Inc.
Group
Japan Utility Subway Co., Ltd.
Group
GDBL Corporation
Group
Kanden Co., Ltd.
Customer
FI1社
NTT TEPCO Data Center Special Purpose Company
TEPCO Digital Infrastructure Co., Ltd.
TEPCO Light Network Engineering Inc.
Aqua Connect Namie Corporation
Greenway Grid Indonesia
Greenway Grid Global Inc.
Green Bolt Offshore Wind Farm Company
Growth Ring Grid Inc.
Senos Holdings Co., Ltd.
テトラ・スパー・デモンストレータ社
Teppo Solution Advance Co., Ltd.
TEPCO Power Grid UK
Deep Sea Green Energy (Hong Kong) Ltd.
Trident North of Bid Co.
フローテーション・エナジー・シードラゴン・ピーティーワイ社
フローテーション・エナジー・ピーティーワイ社
Floation Energy Co.
Blackwater Offshore Wind Hold Co.
Blackwater Offshore Wind Farm Corporation
ホワイト・クロス・オフショア・ウインドファーム社
Daido Crafts Co., Ltd.
Shin Nihon Helicopter Co., Ltd.
Tokyo Electric Construction Service Co., Ltd.
Tokoku Toshiba Meter Systems Co., Ltd.
Tokyo Electric Town Planning Co., Ltd.
Tokyo Electric Logistics Co., Ltd.
Tokyo Electric Power Land Corporation
Agile Energy X, Inc.
At Tokyo Corporation
Energy Gateway Inc.
Tower Line Solution
株式会社東ーション・エナジー・タイワン社
Tokkaku Takadake Co., Ltd.
Rakuten Mobile Infrastructure Solutions Inc.
Tsuru Biomass Power Generation LLC
Names without a link are companies not yet registered in OpenBizGraph
§05

Network

NETWORK
Drag to move · click to open
§07

News

28 ARTICLES

Notice of Power Wholesale Sales Recruitment for FY 2027Sources

Tokyo Electric Power Holdings Co., Ltd. announced the commencement of recruitment for wholesale power sales to retail electricity providers for the fiscal year 2027. Applicants are required to submit the application format in accordance with the attached application guidelines.

Status of Fukushima Daiichi Nuclear Power Plant (Daily Report)Sources

The latest status of the Fukushima Daiichi Nuclear Power Plant was reported, indicating that the operational target values for the sub-drain and other water treatment facilities, groundwater bypass, and the ALPS treated water measurement and confirmation tank were satisfied. The release record of ALPS treated water from 00:00 on November 11 to 00:00 on November 12 was approximately 456 m³. Monitoring results on site and in the sea showed no significant variations in the analysis values of groundwater, seawater, marine organisms, and seaweed.

Tokyo Electric Power Company Holdings Nuclear Material Protection Inspection Results ReportSources

Today, the results of the nuclear regulatory inspection (nuclear material protection) conducted in the second quarter of FY2026 were reported at the Nuclear Regulation Authority. At the Kashiwazaki-Kariwa Nuclear Power Station, it was noted that an individual entered a protected area after their reliability verification had expired. The significance was assessed as Green and the severity as SL IV. Tokyo Electric Power stated that it would implement measures to prevent recurrence and continue working to improve its nuclear material protection functions and operations.

Status of Fukushima Daiichi Nuclear Power Plant (Daily Report)Sources

The status of the Fukushima Daiichi Nuclear Power Plant was reported, including the latest data on the sub-drain and other water treatment facilities, the ALPS treatment water measurement and confirmation tank, and monitoring of the plant premises and surrounding sea area. The sub-drain facility met the operational target value for the temporary storage tank, and approximately 456 m³ of discharge was carried out from the ALPS tank C group. Analysis results for groundwater, seawater, marine organisms, and seaweed showed no significant variations, and continuous monitoring of the diffusion status, mainly focusing on tritium, continues.

Status of Fukushima Daiichi Nuclear Power Plant (Daily Report)Sources

The status of Fukushima Daiichi Nuclear Power Plant was reported, including the latest information on the sub-drain and other water treatment facilities, the ALPS treatment water measurement and confirmation tank, and the monitoring results within the plant and in the surrounding sea area. The sub-drain facility met its operational target values, and the release record for the ALPS tank C group was about 456 m³. Monitoring within the plant and in the sea area showed no significant variations in the analysis results of groundwater, seawater, marine organisms, and seaweed, and continuous confirmation of the diffusion status, mainly focusing on tritium, is being conducted.

Status of Fukushima Daiichi Nuclear Power Plant (Daily Report)Sources

The status of the Fukushima Daiichi Nuclear Power Plant is reported: the temporary storage tank for the sub-drain and other water treatment facilities was emptied on November 6, meeting operational target values. The release record of the ALPS treatment water measurement and confirmation tank group C was approximately 456 m³ from 0:00 on November 5 to 0:00 on November 6. Monitoring results for the plant site and surrounding sea showed no significant changes in groundwater, seawater, fish, or seaweed analysis values. The spread of tritium and the condition of marine organisms are being continuously monitored.

Status of Fukushima Daiichi Nuclear Power Plant (Daily Report)Sources

The gas management system for the containment vessel of Unit 1 at Fukushima Daiichi Nuclear Power Plant was shut down on November 4 due to control panel updates and is scheduled to transition to non-standard status. Operation will resume upon separate notification. At the sub-drain and other water treatment facilities, drainage began and ended on November 3, meeting the operational target values.

Status of Fukushima Daiichi Nuclear Power Plant (Daily Report)Sources

At the Fukushima Daiichi Nuclear Power Plant, the control panel for the gas management system of the containment vessel of Unit 1 is scheduled to be temporarily stopped on November 4th due to an update. At the sub-drain and other water treatment facilities, the discharge of the E tank was completed on November 1st, meeting the operational target value. The temporary storage tank for the groundwater bypass is scheduled for November 3rd, and it is expected to satisfy the operational target value.

Fukushima Daiichi Nuclear Power Plant Status Report (October 31, 2026)Sources

The status report of the Fukushima Daiichi Nuclear Power Plant indicates that the sub-drain and other water treatment facilities met their operational target values, and that the ALPS treatment water measurement and confirmation tank C group released approximately 456 m³. Monitoring results for the plant site and surrounding sea area show no significant variations in the analysis values of groundwater, seawater, marine organisms, and seaweed.

Potential Personal Information Leak from Unauthorized Access to Outsourced Service ProvidersSources

We received a report that the internal server of Nippon Kotsu was accessed by a third party, potentially leaking personal information of executives and employees of Tokyo Electric Power Holdings. The individuals potentially affected are users and applicants of the company's arranged hires from around August 2006 to July 2026, including all or part of their names, job titles, home addresses, and phone numbers. At present, no secondary damage has been confirmed, and we are working on notifying the affected individuals and preventing recurrence.

§08

Public records

GOV
National Tax Agency basic information3010001166927
Source: National Tax Agency Corporate Number Publication Site, basic three itemsSources
Trade name
東京電力パワーグリッド株式会社
Trade name (kana)
トウキョウデンリョクパワーグリッド
Name in English
Corporation type
301
Address
〒100-0011 東京都千代田区内幸町1丁目1番3号
Postal code
1000011
Prefecture code
13
City code
101
Address outside Japan
Prefecture in English
City in English
Address outside Japan in English
Corporate number assignment date
2015-10-05
Update date
2018-04-20
Change date
2016-04-13
Registry closure date
Reason for registry closure
Successor corporate number
Details of the change
Latest record
1
Excluded from search
0
Processing type
11
Correction type
1
Trade name image ID
Address image ID
Sequence number
1576257
METI gBizINFO3010001166927
Source: gBizINFO (Ministry of Economy, Trade and Industry)Sources
Corporate number
3010001166927
Trade name
東京電力パワーグリッド株式会社
Trade name (kana)
トウキョウデンリョクパワーグリッド
Trade name (alphabet)
Registry closure date
Reason for registry closure
Registered address
東京都千代田区内幸町1丁目1番3号
Postal code
1000011
Prefecture
東京都
Prefecture code
13
City or district
千代田区
City code
101
Street address
内幸町1丁目1番3号
Organisation type
301
Processing type
11
Correction type
1
Status
Representative
代表取締役社長  金子 禎則
Capital
80000000000
Employees
15975
Employees (male)
Employees (female)
Business summary
一般送配電事業・不動産賃貸事業及び離島における発電事業
Website URL
https://www.tepco.co.jp/about/esg/hractivate/index-j.html
Year founded
Business category
F:電気・ガス・熱供給・水道業
Date established
2015-04-01
Unified government qualification - grade
||A|
Unified government qualification - business items
303
Update date
2018-04-20
Key information
3010001166927
§09

Sources & updates

SOURCES
↑