Expansion of development, EPC and operations management for grid-scale battery storage facilities
First written in FY2024. 21 of 25 entries say "Advanced", first in FY2025-H1. Latest entry: 2026-10-20.
28 other companies' latest entry also says "Advanced".
- FY2026Cancellation of certain battery storage construction contractsAnnual report
「As the customer had discontinued the project, テス・エンジニアリング株式会社 decided, following discussions with the customer, to cancel this contract by mutual agreement. The decision was approved at a meeting of the company's board of directors held on 14 August 2026.」
The company disclosed the mutually agreed cancellation of the battery storage equipment installation contract with DEIバッテリーファンドアルファ合同会社 due to the discontinuation of the customer's project. - FY2026AdvancedAnnual report
「Cumulative construction capacity (grid-scale battery storage facilities) (Note 3) (Orders received) 375.9 MW (Completed) 0 MW Cumulative construction capacity (non-grid-scale battery storage facilities) (Note 3) (Orders received) 98.7 MW (Completed) 6.5 MW」
For TX2030 battery storage construction capacity, the company disclosed 375.9 MW in orders received and 0 MW completed for grid-scale facilities, and 98.7 MW in orders received and 6.5 MW completed for non-grid-scale facilities. - FY2026-H1AdvancedAnnual report
「テス・エンジニアリング株式会社 24 September 2025 DEIバッテリーファンドベータ合同会社 Battery storage equipment installation contract April 2028 (scheduled) テス・エンジニアリング株式会社 13 November 2025 A limited liability company established by Tokyo Century Corporation Battery storage equipment installation contract June 2028 (scheduled)」
For battery storage equipment installation, the company entered into 2 construction contracts, one with DEIバッテリーファンドベータ合同会社 and one with a limited liability company established by Tokyo Century Corporation, and disclosed scheduled delivery dates of April 2028 and June 2028. - FY2025AdvancedAnnual report
「テス・エンジニアリング株式会社 entered into an agreement with 合同会社静岡菊川蓄電所 on 31 March 2025 for the installation of battery storage equipment, with delivery scheduled for March 2027.」
For the grid-scale battery storage facility business, the company entered into a battery storage equipment installation contract for the Shizuoka Kikukawa Battery Storage Facility. It disclosed TX2030 grid-scale battery storage construction capacity of 63.3 MW in orders received and 0 MW completed. - FY2025-H1AdvancedAnnual report
「The company will discuss Tokyo Century Corporation's participation in the grid-scale battery storage facilities being developed by the group, including as the owner of the storage facilities, a provider of financing, and an offtaker under tolling agreements (the operator of the storage facilities).」
The company has made its collaboration with Tokyo Century Corporation concrete in the development, ownership, financing, and tolling agreements for grid-scale battery storage facilities. - FY2024First statedAnnual report
「Through the development process for the Shizuoka Kikukawa Battery Storage Facility, which was awarded a project under the Long-Term Decarbonized Power Source Auction (Bidding year: fiscal 2023) with a capacity of 22,077 kW, the company will accumulate practical expertise in developing, carrying out EPC, and operating and managing grid-scale battery storage facilities. It aims to expand these initiatives by continuing to use the auction and pursuing tolling agreements with offtakers engaged in battery storage operations.」
The company has positioned grid-scale battery storage facilities as a new priority business area. Through the awarded 22,077 kW Shizuoka Kikukawa Battery Storage Facility project, it is accumulating expertise in development, EPC, and operations and management, and is targeting cumulative construction capacity of 700 MW for grid-scale battery storage facilities by the fiscal year ending June 2030.