HINO GATEWAY 378: Energy Grid Connection Solution for EVN
October 4, 2026 · Hưng Nguyễn · Industry News
Under Decree No. 58/NĐ-CP and Decision No. 378/QĐ-EVN, self-generation and self-consumption rooftop solar systems with a capacity of 100 kW or greater are required to be equipped with a connection device to transmit operational data to EVN’s system. Hino Gateway 378 is the key to ensuring your system operates efficiently, achieves full regulatory compliance, and maximizes overall benefits.
Why Choose Hino Gateway 378?
Hino Gateway 378 is engineered to fully comply with all technical requirements specified in Decree No. 58/NĐ-CP and EVN Decision No. 378/QĐ-EVN, ensuring accurate and stable connectivity between self-generation and self-consumption rooftop solar systems and EVN’s data acquisition, monitoring, and control systems.
System Configuration Diagram
Rooftop Solar Grid Connection Process with EVN
The process for connecting a rooftop solar energy system to the EVN power grid typically comprises key phases, from initial document submission to final acceptance testing and operational handover.
- Step 1: Hino Systech conducts an on-site survey of the facility.
- Step 2: Plant representatives and investors prepare and submit grid connection documentation to EVN.
- Step 3: Receive the Grid Connection Agreement from EVN.
- Step 4: Hino Systech deploys Hino Gateway 378 connection, performs acceptance testing, and hands over the system.
- Step 5: Ongoing maintenance support.
| Step | Description | Key Requirements / Documentation | Responsible Entity |
| 1. System Survey & Assessment | Hino Systech conducts an on-site survey to evaluate the suitability of the rooftop solar energy system and review the technical design. | Ensure compliance with technical standards and Decision No. 378/QĐ-EVN on solar power development. | Hino Systech |
| 2. Preparation & Submission to EVN | Following the survey and assessment, Hino Systech assists in dossier preparation, and the investor submits all required legal and technical documentation to EVN. | Grid connection application, copy of Business Registration (if applicable), proof of land/roof ownership, system technical design drawings (compliant with Decision No. 378). Dossier processing time at EVN is typically 5 to 7 working days upon receipt of a valid file. | Investor & Hino Systech |
| 3. Connection Agreement | EVN drafts the agreement, and both parties sign the Grid Connection Agreement. | Grid Connection Agreement drafted and executed by EVN. | EVN & Investor |
| 4. Installation, Inspection, Acceptance & Handover | Hino Systech executes the installation of the solar energy system and connection equipment. Afterwards, EVN and the investor coordinate final inspection, system testing, acceptance, and handover. | Installation of connection equipment (specifically required for systems >100 kW) and monitoring systems. Successful system testing, safety certification, and technical acceptance. | Hino Systech, Investor & EVN |
| 5. Maintenance & Operational Support | Hino Systech provides maintenance, operation, and troubleshooting support services once the system operates stably. | Periodic maintenance contract (upon request by the investor). | Hino Systech |
