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Asia / Commercial & demonstration

Hachinohe Microgrid

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

CoverageDetailed public record
Named organizations4
System facts12
Sources reviewed3
Last researched2026-07-19

Hachinohe's NEDO demonstration connected municipal buildings, schools, and a sewage plant over a private 6 kV feeder, coordinating PV, small wind, lead-acid storage, and sewage-gas engines. The public demonstration ended in 2008 after its funded operating period.

Research status
Demonstration operated from October 2005 through March 2008; no longer operating as the cited project
Historical classification
Building
Reported capacity
See component specifications
Coordinates
40.51228, 141.48840
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 Hachinohe Microgrid?

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

Organization

Hachinohe City

Host municipality and participating load owner [2]

Organization

Mitsubishi Electric

Engineering and controls collaborator [2]

Organization

Mitsubishi Research Institute

Research and project collaborator [2]

Organization

New Energy and Industrial Technology Development Organization (NEDO)

Program sponsor and funder [2][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
130 [1]
KW Gas/Diesel
510 [1]
Storage
100kW lead-acid battery [1]
Solar PV
130 kW total: two 50 kW arrays and three 10 kW arrays [2]
Biogas engines
Three 170 kW units; 510 kW total, fueled with sewage and waste gas [2]
Wind generation
20 kW [2]
Battery
100 kW lead-acid system [2]
Private feeder
5.4 km, 6 kV, carrying power and communications [2]
Control target
Supply-demand error within 3% on a six-minute moving-average basis [1]

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

Energy management and controls

Mitsubishi Electric

Project collaborator for coordinated generation and storage control; the reviewed public materials do not name a commercial controller model. [2]

Recovered detail

Additional technical notes

Concise system facts recovered from the historical project record. Treat these as historical unless a newer primary source confirms them.

  • Storage

    100kW lead-acid battery [1]

  • Generation

    510kW(170×3) biogas engines [1]

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]
    Hachinohe Microgrid

    Microgrid Symposium · Secondary research

  3. [3]
    Urban PV systems — Hachinohe demonstration

    IEA Photovoltaic Power Systems Programme · Primary source

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