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Asia / Industrial & mining

F-Grid Project at Toyota Plant in Tohoku Area, Japan

Organizations, planners, suppliers, equipment, controls, and reported system specifications—with source-level citations.

CoverageDetailed public record
Named organizations11
System facts10
Sources reviewed3
Last researched2026-07-19

Toyota's F-Grid linked industrial and municipal loads in Miyagi through private power lines, a community energy management system, city-gas generation, solar, plug-in vehicles, and reused Prius batteries. Toyota's launch release names all eleven participating organizations and their roles.

Research status
Demonstration launched in 2013; present operating status not independently confirmed
Historical classification
Building
Reported capacity
See component specifications
Coordinates
35.82117, 139.57185
Evidence note: “Every company” cannot be proven from public material alone. This page lists every organization found in the recovered record and reviewed sources, preserves unknown roles, and explicitly marks undisclosed controller or equipment details.
Report missing evidenceResearch methodology

Project delivery

Who was involved in F-Grid Project at Toyota Plant in Tohoku Area, Japan?

11 publicly identified organizations. Where a recovered source named a participant without explaining its work, the role remains explicitly unspecified.

Organization

Central Motor Wheel Tohoku Co., Ltd.

Participating industrial load [3]

Organization

Sendai City Gas Bureau

City-gas supplier [3]

Organization

Skylark Co., Ltd.

Participating business [3]

Organization

Tohoku Electric Power Co., Inc.

Electricity provider and 1.1% participant [3]

Organization

Toyota Boshoku Tohoku Corporation

Participating industrial load [3]

Organization

Toyota Motor Corporation

Project supervision and 26.4% participant share [3]

Organization

Toyota Motor East Japan, Inc.

Administration, operation, and energy-system management; 61.2% share [3]

Organization

Toyota Transportation Corporation

Participating business [3]

Organization

Toyota Tsusho Corporation

Administration, operation, and efficiency verification; 10.6% share [3]

Organization

VEGi-Dream Kurihara Corporation

Participating agricultural load [3]

Organization

Vuteq Corporation

Participating industrial load [3]

System evidence

Reported capacity and specifications

Values can describe different project phases or components. Source citations are attached to each figure so discrepancies remain visible.

KW Solar
700 [1]
KW Gas/Diesel
7800 [1]
Storage
50 [1]
Archived solar PV
700 kW [1]
Archived gas/diesel generation
7.8 MW [1]
Reused Prius storage
30 kW and 20 kW battery charging systems [3]
Vehicle power
Eight plug-in hybrid vehicles, each capable of 100 V / 1,500 W output [3]
Emergency export
Up to 1,500 kW of unused generation available to the surrounding area [3]

Controls and hardware

Equipment and controller details

Manufacturer and model are shown only when a source names them. Generic descriptions are not converted into guessed product assignments.

01

Community controls

Community Energy Management System (CEMS)

Balances private generation, participating facilities, storage, vehicles, and external-grid exchange; Toyota did not disclose a separate controller vendor/model. [3]

02

Stationary storage

Toyota

Two charging/storage systems using reused Prius nickel-metal-hydride batteries, rated 30 kW and 20 kW. [3]

Provenance

3 sources

Primary owner, government, university, supplier, and engineering sources are preferred. Archived references preserve claims whose original pages moved or disappeared.

  1. [1]
    Recovered Microgrid Projects record

    Internet Archive · Archived source · captured 2021-04-20

  2. [2]
    MicroGrids in Japan

    google.com · Archived source · captured 2021-04-20

  3. [3]
    F-Grid system begins operation in Miyagi Prefecture

    Toyota Motor Corporation · Primary source

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