GBP Updates Low-Voltage Solar Transformers to Improve Workability at Construction Sites
GBP Co., Ltd. has updated its low-voltage transformers for solar power generation to improve workability at construction sites. The main improvements include support for forklift transport, an internal layout that facilitates wiring, and a design that easily integrates Energy Management Systems (EMS). With a track record of over 1,000 units delivered, the product aims to support EPC contractors by addressing labor shortages and shorter construction periods.
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- 📰 Published: May 21, 2026 at 17:00
- 🔍 Collected: May 21, 2026 at 08:31
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GBP Co., Ltd. (Headquarters: Tokyo, hereinafter "GBP"), a comprehensive renewable energy solution development company, has updated its existing low-voltage transformers for solar power generation to improve workability at construction sites during delivery, wiring, and EMS installation. Amidst growing shortages of construction personnel and shortening of construction periods, solar power equipment is increasingly required to offer not only equipment performance but also 'workability'. With this update, GBP will support smoother on-site construction while maintaining the high reliability and performance cultivated through a cumulative delivery record of over 1,000 units.
■ Responding to the Growing Need for 'Workability' at Construction Sites
At solar power plant construction sites, against the backdrop of personnel shortages and shorter construction periods, equipment is increasingly expected to be easy to handle on-site, in addition to basic performance and reliability. Furthermore, in recent years, an increase in large-scale projects and projects with battery storage has complicated site requirements, such as delivery and installation in limited spaces and connecting with EMS.
In this update, GBP focused on the on-site challenges faced by construction companies and EPC contractors, and implemented design improvements to support smoother construction.
■ Three Update Points
1. Support for Forklift Movement
Previously, lifting was the assumed delivery method, but a reinforced structure has been added to the bottom of the main unit to support stable transport by forklift. At solar power plants, it is not uncommon for sites to have strict delivery conditions, such as limited space or sloping ground. This update enables the choice between 'lifting' and 'forklift transport,' allowing consideration of flexible delivery methods tailored to site conditions.
2. Improved Internal Layout for Wiring Workability
The internal structure was reviewed to enhance the ease of wiring work. Specifically, the size of the insulation board was expanded, input terminal blocks were added, and the heights of the main casing and switchboard were adjusted. This makes it easier to secure wiring space and provides a structure that facilitates cable routing and connection work. The aim is to balance reduced workload at construction sites with smoother construction.
3. Design for Easy EMS Integration
Anticipating the increasing number of EMS integration projects in recent years, the design was updated with consideration for the installability and maintainability of EMS-related equipment. Options include support for a 24V power supply and a side EMS communication equipment housing box. Providing a structure that makes it easy to install EMS equipment and route communication wiring realizes a flexible equipment configuration responsive to the system requirements of each site.
■ Design Improvements Conscious of On-Site 'Troubles'
In this update, while maintaining reliability and basic performance, improvements were made with an awareness of the 'ease of handling' required at construction sites, cultivated through a cumulative delivery record of over 1,000 units. The structure is designed to easily accommodate the increasing number of large-scale solar power plants and battery storage co-location projects, and customization based on the specifications and system configuration of each project is also possible.
GBP provides a wide range of products and solutions for solar power plants, including transformers, copper cables, aluminum cables, older model solar panel replacements, connection boxes, and battery storage systems. The company also handles repowering and construction work. GBP will continue to strengthen its solutions for solar power plants and promote product improvements.
◆◇◆◇◆◇◆◇◆◇◆◇◆◇◆◇◆◇◆ Company Profile ◆◇◆◇◆◇◆◇◆◇◆◇◆◇◆◇◆◇◆
Company Name: GBP Co., Ltd.
Representative: Yohei Tatsukawa, President and CEO
Head Office: 9th Floor, PMO Hamamatsucho, 2-5-5 Hamamatsucho, Minato-ku, Tokyo 105-0013
Official Website: https://www.gbp-global.com/ja/
■ Responding to the Growing Need for 'Workability' at Construction Sites
At solar power plant construction sites, against the backdrop of personnel shortages and shorter construction periods, equipment is increasingly expected to be easy to handle on-site, in addition to basic performance and reliability. Furthermore, in recent years, an increase in large-scale projects and projects with battery storage has complicated site requirements, such as delivery and installation in limited spaces and connecting with EMS.
In this update, GBP focused on the on-site challenges faced by construction companies and EPC contractors, and implemented design improvements to support smoother construction.
■ Three Update Points
1. Support for Forklift Movement
Previously, lifting was the assumed delivery method, but a reinforced structure has been added to the bottom of the main unit to support stable transport by forklift. At solar power plants, it is not uncommon for sites to have strict delivery conditions, such as limited space or sloping ground. This update enables the choice between 'lifting' and 'forklift transport,' allowing consideration of flexible delivery methods tailored to site conditions.
2. Improved Internal Layout for Wiring Workability
The internal structure was reviewed to enhance the ease of wiring work. Specifically, the size of the insulation board was expanded, input terminal blocks were added, and the heights of the main casing and switchboard were adjusted. This makes it easier to secure wiring space and provides a structure that facilitates cable routing and connection work. The aim is to balance reduced workload at construction sites with smoother construction.
3. Design for Easy EMS Integration
Anticipating the increasing number of EMS integration projects in recent years, the design was updated with consideration for the installability and maintainability of EMS-related equipment. Options include support for a 24V power supply and a side EMS communication equipment housing box. Providing a structure that makes it easy to install EMS equipment and route communication wiring realizes a flexible equipment configuration responsive to the system requirements of each site.
■ Design Improvements Conscious of On-Site 'Troubles'
In this update, while maintaining reliability and basic performance, improvements were made with an awareness of the 'ease of handling' required at construction sites, cultivated through a cumulative delivery record of over 1,000 units. The structure is designed to easily accommodate the increasing number of large-scale solar power plants and battery storage co-location projects, and customization based on the specifications and system configuration of each project is also possible.
GBP provides a wide range of products and solutions for solar power plants, including transformers, copper cables, aluminum cables, older model solar panel replacements, connection boxes, and battery storage systems. The company also handles repowering and construction work. GBP will continue to strengthen its solutions for solar power plants and promote product improvements.
◆◇◆◇◆◇◆◇◆◇◆◇◆◇◆◇◆◇◆ Company Profile ◆◇◆◇◆◇◆◇◆◇◆◇◆◇◆◇◆◇◆
Company Name: GBP Co., Ltd.
Representative: Yohei Tatsukawa, President and CEO
Head Office: 9th Floor, PMO Hamamatsucho, 2-5-5 Hamamatsucho, Minato-ku, Tokyo 105-0013
Official Website: https://www.gbp-global.com/ja/
FAQ
What is the new delivery method for GBP's low-voltage transformer?
In addition to lifting, the reinforced bottom allows for stable transport by forklift.
How has the wiring work been improved?
Larger insulation boards and added terminal blocks secure more wiring space, making work easier.
Are there options for EMS integration?
Yes, a 24V power supply and a side EMS communication equipment box can be added as options.