MC and Hokuden to form Hydro Power Alliance in Hokkaido's Donan Region
Optimizing Hydro Power to Help Realize Carbon Neutrality
October 28, 2021
Hokkaido Electric Power Company
Mitsubishi Corporation
Mitsubishi Corporation
Hokkaido Electric Power Company (Hokuden) and Mitsubishi Corporation (MC) are pleased to announce that we will be establishing a new joint venture in November 2021 that will be dedicated to hydroelectric power generation. The company, Donan Hydroelectric LLC (Donan Hydro) , will be headquartered in Hakodate City, Hokkaido Prefecture. In conjunction with the new joint venture’s establishment, Hokuden and MC have also agreed to form a hydroelectric power alliance that will service Hokkaido’s Donan region.
Our alliance will begin by Hokuden replacing in stages five existing power plants in Southern Hokkaido Prefecture, with Donan Hydro managing their operations thereafter. The five plants that will be replaced are all located in the Donan region. They include four that are directly owned by Hokuden (Nanae Power Station, Isoyagawa Daiichi Power Plant, Isoyagawa Daini Power Plant, and Ainumanai Hydro Plant), and one owned by Hokuden’s subsidiary Eco Energy Corporation, Ltd. (Ono Power Station).
Our alliance will combine Hokuden’s long-established expertise in hydro power generation with MC’s global know-how in renewable energies, thereby enabling both efficient replacements of the existing facilities and long-term stability of the new plants’ operations.
MC and Hokuden are committed to leveraging Japan’s domestically produced energy resources. Recognizing its worth in the context of renewable energy, we shall endeavor to optimize hydro power generated by the Donan region’s valuable water resources and do our part to help Japan achieve carbon neutrality.
[Inquiries]
Hokkaido Electric Power Company
Public Relations Department +81-11-251-4076
Mitsubishi Corporation
Corporate Communications Department +81-3-3210-2171
Overview of Alliance
Joint Venture
| Company Name | Donan Hydroelectric LLC |
| Address | 1-2-1 Tomioka, Hakodate City, Hokkaido |
| Date of Establishment | November 2021 (planned) |
| Capital | 10 million yen |
| Ownership Ratio | Hokkaido Electric Power Company: 50% Mitsubishi Corporation: 50% |
| Operations | Design, construction, operation, and maintenance of hydroelectric power plants and sales of electricity. |
Shareholder Roles
| Hokkaido Electric Power Company | Plant maintenance, local customer and media relations, licensing and permit acquisitions, etc. |
| Mitsubishi Corporation | Management of the joint venture company, as well as its contracts, financing, and so on. |
Applicable Power Plants
| Name of Facility | Nanae | Isoyagawa Daiichi | Isoyagawa Daini | Ainumanai | Ono |
| Capacity (kW) | 10,000 | 2,400 | 1,250 | 2,000 | 1,500 |
| Date Facility Went Online | Feb. 1965 | Jun. 1924 | Jul. 1929 | Dec. 1930 | Sep. 1985 |
| Scheduled Shutdown Date | Mar. 2024 | Mar. 2024 | Mar. 2024 | Mar. 2023 | May 2023 |
| Date Replacement Facility To Go Online | May 2026 | Mar. 2025 | May 2025 | Jan. 2024 | Apr. 2024 |
Inquiry Recipient
Mitsubishi CorporationTelephone:+81-3-3210-2171 / Facsimile:+81-3-5252-7705
